Bag type dust collector for resin production

Abstract

The utility model discloses a bag type dust collector for resin production, which relates to the technical field of bag type dust collectors and comprises a bag type dust collector consisting of a dust collection box, a partition plate, an air inlet, a suction fan and a pulse cleaning mechanism, and a keel bracket assembly, the keel support assembly comprises a spiral supporting rod, a vertical rod, a top clamping bent part, a bottom clamping bent part, a top fixing unit and a bottom fixing unit. The keel supporting assembly is arranged, the inner wall of the filter bag is supported through the multiple spiral supporting rods distributed in the circumferential direction, the spiral structure of each spiral supporting rod has high deformation resistance, the good supporting effect can be achieved, in addition, the spiral supporting rods are of an integrated structure, and the supporting effect is good. The upper end and the lower end of the spiral supporting rod are fixed to the top fixing unit and the bottom fixing unit through the clamping structures, no welding point exists, and compared with a traditional welding structure, the phenomenon that loosening is caused by unsoldering due to infirm welding or a filter bag is scratched by burrs can be effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of bag dust collectors, in particular to a bag dust collector used for resin production. Background Art

[0002] Resin generally refers to an organic polymer that softens or melts when heated, tends to flow under the action of external force when softened, and is solid, semi-solid, or sometimes liquid at room temperature. In the existing resin production and processing process, powder dust is generated when loading the material. Generally, a bag dust collector is used to extract and collect the dust to prevent the dust from drifting into the workshop and polluting the production environment.

[0003] When the existing bag dust collector is in use, the middle part of the filter bag is supported by a keel bracket to support the filter bag. The keel bracket is mainly fixed and assembled by a welding process. In actual use, the keel bracket is prone to loosening due to loose welding, or burrs may scratch the filter bag, thereby affecting the stable use of the bag dust collector and being detrimental to the stable production of resin. Based on this, a bag dust collector for resin production is provided. Summary of the Invention

[0004] The purpose of the utility model is to provide a bag dust collector for resin production in order to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bag dust collector for resin production, comprising a bag dust collector consisting of a dust collection box, a partition, an air inlet, a suction fan, and a pulse cleaning mechanism, wherein the partition is fixed to the inner side of the dust collection box and is used to separate the inner cavity of the dust collection box into an upper and lower compartment, the air inlet and the suction fan are respectively installed at both ends of the dust collection box and are respectively connected to the lower compartment and the upper compartment, a filter bag extending to the lower compartment is installed on the top of the partition, the pulse cleaning mechanism is installed inside the upper compartment of the dust collection box and the nozzle of the pulse cleaning mechanism is aligned with the opening of the filter bag, a keel bracket assembly extending to the interior of the filter bag is provided on the top of the partition, and the keel bracket assembly is used to support the filter bag;

[0006] The keel support assembly includes a spiral support rod, a vertical rod, a top clamping bent portion, a bottom clamping bent portion, a top fixing unit, and a bottom fixing unit;

[0007] The vertical rods are symmetrically fixed to the upper and lower ends of the spiral support rods, and the top clamping bent portion and the bottom clamping bent portion are respectively fixed to the ends of the two vertical rods away from the spiral support rods;

[0008] The spiral support rods are provided in plurality, and the plurality of spiral support rods are evenly distributed along the circumferential direction, and the tops of the plurality of spiral support rods are fixed by pressing the top clamping bending portion with the top fixing unit, and the plurality of spiral support rods are fixed by pressing the bottom clamping bending portion with the bottom fixing unit;

[0009] The top fixing unit covers the outer side of the filter bag protruding from the top of the partition, the spiral support rod and the bottom fixing unit are inserted into the inner side of the filter bag, the multiple spiral support rods support the side of the filter bag, and the bottom fixing unit squeezes the bottom of the filter bag;

[0010] The filter bag is supported by a keel bracket assembly without any welding points, which is used to avoid looseness caused by desoldering due to loose welding, or scratches on the filter bag due to burrs.

[0011] As a further solution of the present invention: the top fixing unit includes an n-type ring seat, an arc-shaped folded edge, a first limiting groove, and an n-type press-fit ring seat;

[0012] The arc-shaped folded edge is fixed to the bottom of the inner wall of the inner ring of the n-type ring seat, the first limiting groove is formed at the top of the n-type ring seat and the top of the arc-shaped folded edge, and completely passes through the arc-shaped folded edge, the spiral support rod passes through the first limiting groove on the arc-shaped folded edge through the vertical rod, and the top clamping bent portion is clamped to the inner side of the first limiting groove at the top of the n-type ring seat;

[0013] The n-type press-fit ring seat is sleeved on the inner and outer sides of the n-type ring seat, and the bottom edge of the outer ring of the n-type press-fit ring seat is bent and wrapped around the bottom edge of the outer ring of the n-type ring seat, so as to achieve complete wrapping of the n-type ring seat, the top clamping bend, the vertical rod and the arc-shaped folded edge, and realize the connection and fixation of the spiral support rod and the n-type ring seat.

[0014] As a further solution of the present invention: the bottom fixing unit includes a bottom cylinder seat, a second limiting slot, and a U-shaped sleeve;

[0015] The second limiting slot is formed at the bottom of the bottom cylinder seat and passes through the inner side and the top of the vertical edge of the bottom cylinder seat. The bottom of the spiral support rod is clamped to the inner side of the second limiting slot through the vertical rod and the bottom clamping bent portion.

[0016] The U-shaped sleeve is sleeved on the outside of the bottom cylinder seat and the top edge of the U-shaped sleeve is bent and wrapped around the top edge of the bottom cylinder seat, which is used to achieve complete wrapping of the bottom cylinder seat, the vertical rod, and the bottom clamping bend, and to achieve the connection and fixation of the spiral support rod and the bottom cylinder seat.

[0017] As a further solution of the present invention: a straight slot opening is provided at the position where the top bend of the U-shaped sleeve contacts the vertical rod.

[0018] As a further solution of the present invention: the N-type ring seat, the arc-shaped folded edge, and the first limiting groove are integrally formed by a stamping process, the N-type press-fit ring seat is integrally formed by a stamping process, the bottom cylinder seat and the second limiting groove are integrally formed by a stamping process, and the U-shaped sleeve and the straight slot opening are integrally formed by a stamping process;

[0019] The spiral support rod, the vertical rod, the top clamping bending portion, and the bottom clamping bending portion are integrally formed through a bending process.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] By setting up a keel support assembly, the inner wall of the filter bag is supported by multiple circumferentially distributed spiral support rods. The spiral structure of the spiral support rod has strong anti-deformation force and can achieve good supporting effect. In addition, the spiral support rod is an integrated structure, and the upper and lower ends of the spiral support rod are fixed to the top fixing unit and the bottom fixing unit by a clamping structure without welding points. Compared with the traditional welding structure, it can effectively avoid the phenomenon of looseness caused by desoldering due to loose welding, or burrs scratching the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural cross-sectional view of the bag dust collector of the present utility model;

[0023] Figure 2 This is a structural diagram of the keel bracket assembly of the present utility model;

[0024] Figure 3 This is a structural cross-sectional view of the top fixing unit and the bottom fixing unit of the present invention;

[0025] Figure 4 This is a cross-sectional exploded view of the bottom fixing unit of the present invention;

[0026] Figure 5 This is a sectional exploded view of the top fixing unit of the present utility model;

[0027] Figure 6 This is a cross-sectional exploded view of the top fixing unit of the present invention after the spiral support rod is removed;

[0028] Figure 7 It is a schematic diagram of the overall structure of the spiral support rod, vertical rod, top clamping bending part and bottom clamping bending part of the present invention.

[0029] In the figure: 1. Bag filter; 101. Dust box; 102. Partition; 103. Air inlet; 104. Suction fan; 105. Pulse cleaning mechanism; 2. Filter bag; 3. Keel support assembly; 301. Spiral support rod; 302. Vertical rod; 303. Top snap-fitting bend; 304. Bottom snap-fitting bend; 305. Top fixing unit; 306. Bottom fixing unit.

[0030] 3051, N-type ring seat; 3052, arc-shaped folded edge; 3053, first limit slot; 3054, N-type press-fit ring seat;

[0031] 3061. Bottom cylinder seat; 3062. Second limit slot; 3063. U-shaped sleeve; 3064. Straight slot opening. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figures 1 to 7 In an embodiment of the present invention, a bag dust collector for resin production includes a bag dust collector 1 consisting of a dust box 101, a partition 102, an air inlet 103, a suction fan 104, and a pulse cleaning mechanism 105. The partition 102 is fixed to the inner side of the dust box 101, and is used to separate the inner cavity of the dust box 101 into an upper and lower compartment. The air inlet 103 and the suction fan 104 are respectively installed at both ends of the dust box 101 and are respectively connected to the lower compartment and the upper compartment. A filter bag 2 extending to the lower compartment is installed on the top of the partition 102. The pulse cleaning mechanism 105 is installed inside the upper compartment of the dust box 101 and the nozzle of the pulse cleaning mechanism 105 is aligned with the opening of the filter bag 2. A keel bracket assembly 3 extending to the interior of the filter bag 2 is provided on the top of the partition 102. The keel bracket assembly 3 is used to support the filter bag 2.

[0034] The keel support assembly 3 includes a spiral support rod 301, a vertical rod 302, a top clamping bent portion 303, a bottom clamping bent portion 304, a top fixing unit 305, and a bottom fixing unit 306;

[0035] The vertical rods 302 are symmetrically fixed to the upper and lower ends of the spiral support rod 301, and the top clamping bent portion 303 and the bottom clamping bent portion 304 are respectively fixed to the ends of the two vertical rods 302 away from the spiral support rod 301;

[0036] A plurality of spiral support rods 301 are provided, and the plurality of spiral support rods 301 are evenly distributed along the circumferential direction, and the tops of the plurality of spiral support rods 301 are fixed by pressing the top clamping bent portion 303 with the top fixing unit 305, and the plurality of spiral support rods 301 are fixed by pressing the bottom clamping bent portion 304 with the bottom fixing unit 306;

[0037] The top fixing unit 305 covers the outer side of the filter bag 2 protruding from the top of the partition 102. The spiral support rods 301 and the bottom fixing unit 306 are inserted into the inner side of the filter bag 2. The multiple spiral support rods 301 support the side of the filter bag 2, and the bottom fixing unit 306 squeezes the bottom of the filter bag 2.

[0038] The filter bag 2 is supported by the keel bracket assembly 3 without any welding points, so as to avoid the phenomenon of looseness caused by desoldering due to weak welding, or the filter bag 2 being scratched by burrs;

[0039] The top fixing unit 305 includes an n-type ring seat 3051, an arc-shaped folded edge 3052, a first limiting groove 3053, and an n-type press-fit ring seat 3054;

[0040] The arcuate fold 3052 is fixed to the bottom of the inner wall of the inner ring of the n-type ring seat 3051. The first limiting groove 3053 is formed at the top of the n-type ring seat 3051 and the top of the arcuate fold 3052, and completely penetrates the arcuate fold 3052. The spiral support rod 301 passes through the first limiting groove 3053 on the arcuate fold 3052 through the vertical rod 302, and the top clamping bent portion 303 is clamped to the inner side of the first limiting groove 3053 at the top of the n-type ring seat 3051.

[0041] The n-type press-fit ring seat 3054 is sleeved on the inner and outer sides of the n-type ring seat 3051, and the bottom edge of the outer ring of the n-type press-fit ring seat 3054 is bent and wrapped around the bottom edge of the outer ring of the n-type ring seat 3051, so as to completely wrap the n-type ring seat 3051, the top clamping bent portion 303, the vertical rod 302 and the arc-shaped folded edge 3052, and realize the connection and fixation between the spiral support rod 301 and the n-type ring seat 3051;

[0042] The bottom fixing unit 306 includes a bottom cylinder seat 3061, a second limiting slot 3062, and a U-shaped sleeve 3063;

[0043] The second limiting slot 3062 is formed at the bottom of the bottom cylinder seat 3061 and passes through the inner side and the top of the vertical edge of the bottom cylinder seat 3061. The bottom of the spiral support rod 301 is clamped to the inner side of the second limiting slot 3062 through the vertical rod 302 and the bottom clamping bent portion 304.

[0044] The U-shaped sleeve 3063 is sleeved on the outside of the bottom cylinder seat 3061, and the top edge of the U-shaped sleeve 3063 is bent and wrapped around the top edge of the bottom cylinder seat 3061, so as to completely wrap the bottom cylinder seat 3061, the vertical rod 302, and the bottom clamping bent portion 304, and realize the connection and fixation between the spiral support rod 301 and the bottom cylinder seat 3061;

[0045] A straight slot opening 3064 is formed at the top bend of the U-shaped sleeve 3063 where it contacts the vertical rod 302 .

[0046] In this embodiment, it should be noted that the pulse cleaning mechanism 104 is used to perform a pulse backwash operation on the filter bag 2. This structure is a conventional structure of an existing bag dust collector, so it is not described in detail. In addition, a mounting groove for mounting the filter bag 2 is provided on the partition 102, and an annular clamping groove for clamping and limiting the filter bag 2 is formed inside the mounting groove. This structure is an existing filter bag 2 mounting structure, so it is not described in detail.

[0047] When the keel bracket assembly 3 is in use, the inner wall of the filter bag 2 is supported by multiple circumferentially distributed spiral support rods 301, and the spiral structure of the spiral support rod 301 has a strong anti-deformation force, which can achieve a good supporting effect. In addition, the spiral support rod 301 is an integrated structure, and the upper and lower ends of the spiral support rod 301 are fixed to the top fixing unit 305 and the bottom fixing unit 306 by a clamping structure without welding points. Compared with the traditional welding structure, it can effectively avoid the phenomenon of looseness caused by desoldering due to loose welding, or burrs scratching the filter bag 2.

[0048] Please refer to Figures 1 to 4 , the n-type ring seat 3051, the arc-shaped folded edge 3052, and the first limiting groove 3053 are integrally formed by a stamping process, the n-type press-fit ring seat 3054 is integrally formed by a stamping process, the bottom cylinder seat 3061 and the second limiting groove 3062 are integrally formed by a stamping process, and the u-shaped sleeve 3063 and the straight slot opening 3064 are integrally formed by a stamping process;

[0049] The spiral support rod 301 , the vertical rod 302 , the top clipping bending portion 303 , and the bottom clipping bending portion 304 are integrally formed through a bending process.

[0050] In this embodiment: after the n-type ring seat 3051, the n-type press-fit ring seat 3054, the bottom cylinder seat 3061, and the u-shaped sleeve 3063 are formed by a stamping process, the assembly operation can be carried out;

[0051] At this time, it is only necessary to clamp the multiple spiral support rods 301 into the first limiting groove 3053 on the n-type ring seat 3051 through the top clamping bent portion 303 (it should be noted that the top clamping bent portion 303 is an L-shaped structure). In this way, the spiral support rod 301 can be positioned and installed, and the deflection of the spiral support rod 301 can be limited. Then, the n-type press-fitting ring seat 3054 is sleeved and pressed on the n-type ring seat 3051, and the bottom edge of the outer ring of the n-type press-fitting ring seat 3054 is stamped and bent so that it wraps the bottom edge of the outer ring of the n-type ring seat 3051. The inner ring part of the n-type press-fitting ring seat 3054 wraps and limits the vertical rods 302 at the top of the multiple spiral support rods 301, and the top of the n-type press-fitting ring seat 3054 wraps the top clamping bent portion 303, that is, the tops of the multiple spiral support rods 301 are fixed;

[0052] Then, the bottom cylinder seat 3061 is placed in the middle of the multiple spiral support rods 301, and the bottom cylinder seat 3061 is clamped with the bottom clamping bent portion 304 through the second limiting clamping groove 3062. Then, the U-shaped sleeve 3063 is sleeved on the bottom cylinder seat 3061, and the top edge of the U-shaped sleeve 3063 is stamped and bent so that it wraps around the top edge of the bottom cylinder seat 3061. The U-shaped sleeve 3063 wraps and fixes the bottom clamping bent portion 304 and the vertical rod 302 at the bottom of the spiral support rod 301, that is, the bottom of the multiple spiral support rods 301 is fixed;

[0053] At this point, the assembly and fixation of the keel bracket assembly 3 is completed, the overall processing technology is simple, and the stability after assembly is strong.

[0054] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A bag dust collector for resin production, comprising a bag dust collector (1) consisting of a dust box (101), a partition (102), an air inlet (103), a suction fan (104), and a pulse cleaning mechanism (105), wherein the partition (102) is fixed to the inner side of the dust box (101) and is used to separate the inner cavity of the dust box (101) into an upper and lower compartment, the air inlet (103) and the suction fan (104) are respectively installed at both ends of the dust box (101) and are respectively connected to the lower compartment and the upper compartment, a filter bag (2) extending to the lower compartment is installed on the top of the partition (102), the pulse cleaning mechanism (105) is installed inside the upper compartment of the dust box (101) and the nozzle of the pulse cleaning mechanism (105) is aligned with the opening of the filter bag (2), and the invention is characterized in that: A keel support assembly (3) extending into the interior of the filter bag (2) is provided on the top of the partition (102), and the keel support assembly (3) is used to support the filter bag (2); The keel support assembly (3) comprises a spiral support rod (301), a vertical rod (302), a top clamping bent portion (303), a bottom clamping bent portion (304), a top fixing unit (305), and a bottom fixing unit (306); The vertical rods (302) are symmetrically fixed to the upper and lower ends of the spiral support rod (301), and the top clamping bend (303) and the bottom clamping bend (304) are respectively fixed to the ends of the two vertical rods (302) away from the spiral support rod (301); A plurality of the spiral support rods (301) are provided, and the plurality of the spiral support rods (301) are evenly distributed along the circumferential direction, and the tops of the plurality of the spiral support rods (301) are fixed by pressing the top clamping bending portion (303) with the top fixing unit (305), and the plurality of the spiral support rods (301) are fixed by pressing the bottom clamping bending portion (304) with the bottom fixing unit (306); The top fixing unit (305) covers the outer side of the portion of the filter bag (2) protruding from the top of the partition (102), the spiral support rod (301) and the bottom fixing unit (306) are inserted into the inner side of the filter bag (2), the plurality of spiral support rods (301) support the side of the filter bag (2), and the bottom fixing unit (306) squeezes the bottom of the filter bag (2); The filter bag (2) is supported by a keel support assembly (3) having no welding points as a whole, so as to avoid the phenomenon of looseness caused by desoldering due to weak welding, or the phenomenon of burrs scratching the filter bag (2).

2. The bag dust collector for resin production according to claim 1, characterized in that: The top fixing unit (305) comprises an n-type ring seat (3051), an arc-shaped folded edge (3052), a first limiting slot (3053), and an n-type press-fit ring seat (3054); The arc-shaped folded edge (3052) is fixed to the bottom of the inner wall of the inner ring of the n-type ring seat (3051); the first limiting groove (3053) is formed at the top of the n-type ring seat (3051) and the top of the arc-shaped folded edge (3052), and completely penetrates the arc-shaped folded edge (3052); the spiral support rod (301) penetrates the first limiting groove (3053) on the arc-shaped folded edge (3052) through the vertical rod (302), and the top clamping bent portion (303) is clamped to the inner side of the first limiting groove (3053) at the top of the n-type ring seat (3051); The n-type press-fit ring seat (3054) is sleeved on the inner and outer sides of the n-type ring seat (3051), and the bottom edge of the outer ring of the n-type press-fit ring seat (3054) is bent and wrapped around the bottom edge of the outer ring of the n-type ring seat (3051), so as to achieve complete wrapping of the n-type ring seat (3051), the top clamping bent portion (303), the vertical rod (302) and the arc-shaped folded edge (3052), and achieve connection and fixation between the spiral support rod (301) and the n-type ring seat (3051).

3. The bag dust collector for resin production according to claim 2, characterized in that: The bottom fixing unit (306) comprises a bottom cylinder seat (3061), a second limiting slot (3062), and a U-shaped sleeve (3063); The second limiting slot (3062) is provided at the bottom of the bottom cylinder seat (3061) and passes through the inner side and the top of the vertical edge of the bottom cylinder seat (3061); the bottom of the spiral support rod (301) is clamped to the inner side of the second limiting slot (3062) via the vertical rod (302) and the bottom clamping bent portion (304); The U-shaped sleeve (3063) is sleeved on the outside of the bottom cylinder seat (3061), and the top edge of the U-shaped sleeve (3063) is bent and wrapped around the top edge of the bottom cylinder seat (3061), so as to achieve complete wrapping of the bottom cylinder seat (3061), the vertical rod (302), and the bottom clamping bent portion (304), and to achieve connection and fixation between the spiral support rod (301) and the bottom cylinder seat (3061).

4. A bag dust collector for resin production according to claim 3, characterized in that: A straight slot opening (3064) is provided at a position where the top bend of the U-shaped sleeve (3063) contacts the vertical rod (302).

5. The bag dust collector for resin production according to claim 4, characterized in that: The N-type ring seat (3051), the arc-shaped folding edge (3052), and the first limiting groove (3053) are integrally formed by a stamping process; the N-type press-fit ring seat (3054) is integrally formed by a stamping process; the bottom cylinder seat (3061) and the second limiting groove (3062) are integrally formed by a stamping process; and the U-shaped sleeve (3063) and the straight slot opening (3064) are integrally formed by a stamping process; The spiral support rod (301), the vertical rod (302), the top clamping bent portion (303), and the bottom clamping bent portion (304) are integrally formed through a bending process.

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