Bag type dust collector for jet mill

Abstract

The utility model relates to the technical field of bag type dust removers, and provides a bag type dust remover for a jet mill, which comprises a dust removal component and a dust receiving component, the dust removal component comprises a dust removal box, a dust hopper, support legs, an air inlet, an end cover and an exhaust port, and the dust hopper is fixed at the bottom end of the dust removal box. The cleaning structure is arranged, the driving motor is started, the driving motor drives the second bevel gear to rotate, the second bevel gear drives the reciprocating lead screw to rotate through the first bevel gear, the reciprocating lead screw drives the moving seat to reciprocate on the outer side of the reciprocating lead screw, the moving seat moves on the outer side of the sliding rod, and under the action of the sliding rod, the moving seat moves on the outer side of the sliding rod. According to the bag type dust collector for the jet mill, the moving stability of the moving seat is enhanced, the moving seat drives the bristles to sweep the outer side of the filter bag in a reciprocating manner, so that dust on the surface of the filter bag falls into the dust hopper, the function of conveniently cleaning dust is realized, and the working efficiency of the bag type dust collector for the jet mill is improved when the bag type dust collector for the jet mill is used.

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 an air flow pulverizer. Background Art

[0002] Bag dust collector is a dry dust filtering device, which is suitable for capturing fine, dry, non-fibrous dust. Due to the effect of gravity, larger dust settles down, and the airflow mill needs to drop the settled dust to the crushing area for further crushing, so a bag dust collector for airflow mill is used;

[0003] To this end, the patent with publication number CN207532958U discloses a bag dust collector. A bag dust collector includes a dust removal chamber and an ash hopper. The ash hopper is arranged below the dust removal chamber. A filter bag is vertically arranged in the dust removal chamber. The filter bag includes an outer filter bag and an inner filter bag. The inner filter bag is arranged inside the outer filter bag. The filter pores of the outer filter bag are larger than the filter pores of the inner filter bag. An air collecting chamber is arranged above the inner filter bag. A vibrator is threadedly connected to the lower end of the air collecting chamber. The upper ends of the outer filter bag and the inner filter bag are both knotted on the vibrator. The air collecting chamber is connected to the inner filter bag. An air outlet is provided on one side of the air collecting chamber. An air inlet is provided below the dust removal chamber. This bag dust collector can effectively filter dust particles and has high dust removal efficiency.

[0004] The bag filter mentioned above can effectively filter dust particles when in use, and has a high dust removal efficiency. However, since it is inconvenient to clean the filter bag, dust accumulates on the surface of the filter bag during filtration, resulting in a decrease in filtration efficiency. Utility Model Content

[0005] The utility model aims to provide a bag dust collector for an air flow pulverizer, so as to solve the defect that the existing bag dust collector for an air flow pulverizer is inconvenient to clean the filter bag.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a bag dust collector for an airflow pulverizer, comprising a dust removal component and a dust receiving component;

[0007] The dust removal assembly includes a dust removal box, an ash hopper, a support leg, an air inlet, an end cover and an exhaust port. The bottom end of the dust removal box is fixed with an ash hopper, and the corners of the bottom end of the dust removal box are fixed with support legs. The bottom end of the ash hopper is provided with a dust receiving assembly, and the dust receiving assembly includes a collection box, a bellows, and a fixed structure. A collection box is provided below the ash hopper, a bellows is fixed at the top of the collection box, and a fixed structure is provided on one side of the top of the bellows;

[0008] An air inlet is fixed to one side of the bottom of the dust removal box, an end cover is installed at the top of the dust removal box, an exhaust port is fixed to the top of the end cover, a fixed plate is fixed inside the dust removal box, a fixed frame is arranged inside the fixed plate, limiting structures are arranged on both sides of the inside of the fixed frame, a filter bag is fixed to the bottom end of the fixed frame, and support rods are evenly fixed on both sides of the bottom end of the fixed frame inside the filter bag;

[0009] A cleaning structure is arranged inside the dust removal box outside the filter bag, and the cleaning structure includes a reciprocating screw, a first bevel gear, a drive motor, a second bevel gear, a movable seat, bristles and a sliding rod. The reciprocating screw is arranged inside the dust removal box on one side of the filter bag.

[0010] When using the device, by providing a cleaning structure, the device can be easily cleaned, thereby improving the working efficiency of the bag dust collector used for the air flow pulverizer during use; by providing a fixing structure, the device can be easily collected dust, thereby improving the convenience of the bag dust collector used for the air flow pulverizer during use; by providing a limited position structure, the device can be easily fixed, thereby improving the applicability of the bag dust collector used for the air flow pulverizer during use.

[0011] Preferably, the fixing structure includes a fixing seat, a moving block, a fixing pin, a built-in cavity, a first reset spring and a reset plate, wherein the fixing seat is fixed to one side of the top of the bellows, the fixing seat is provided with a built-in cavity, the built-in cavity is penetrated by a fixing pin, one end of the fixing pin extends to the outside of the fixing seat and is fixed with a moving block, the outer side of the fixing pin in the built-in cavity is sleeved with a first reset spring, and a reset plate is fixed on the outer wall of the fixing pin away from one end of the moving block by the first reset spring. The moving block is pulled, and the moving block drives the fixing pin to move to the inside of the built-in cavity, and the bellows is sleeved on the bottom of the ash hopper, and the moving block is loosened, and under the action of the first reset spring, the reset plate drives the fixing pin to move to the inside of the ash hopper, thereby fixing the bellows and the ash hopper to each other.

[0012] Preferably, the fixing pin and the ash hopper form a snap-fit ​​structure, and the reset plate and the fixing pin form a telescopic structure through a first reset spring, so that the dust inside the ash hopper falls into the inside of the collection box through the bellows, and under the action of the bellows, it is convenient to fix and disassemble the collection box and the ash hopper, and to collect the dust.

[0013] Preferably, the limiting structure includes a movable groove, a clamping plate, a clamping groove, a second return spring, a connecting rod, a fixed plate and a movable plate. The movable groove is arranged on both sides of the fixed frame, and the inside of the movable groove is provided with a clamping plate. The inside of the fixed plate on one side of the clamping plate is provided with a clamping groove, and a connecting rod is evenly fixed on one side of the clamping plate. One end of the connecting rod extends to the outside of the fixed frame and is fixed with a fixed plate, and the top of the fixed plate extends to the top of the fixed frame and is fixed with a movable plate, and the outside of the connecting rod in the movable groove is sleeved with a second return spring.

[0014] Preferably, the clamping plate and the fixed plate form a clamping structure through the clamping groove, and the connecting rod and the clamping plate form a telescopic structure through the second reset spring. The fixed frame is moved by the movable plate, so that the fixed frame drives the filter bag to move into the dust removal box, and the movable plate is moved, and the movable plate drives the fixed plate to move, and the fixed plate drives the clamping plate to move into the movable groove through the connecting rod.

[0015] Preferably, the clamping plate and the fixed disk form a clamping structure through the clamping groove, and the connecting rod and the clamping plate form a telescopic structure through the second reset spring. When the movable plate is released, the connecting rod pushes the clamping plate to move into the clamping groove under the action of the second reset spring, thereby fixing the fixed frame and the fixed disk to each other, limiting the position of the filter bag, and at the same time, under the support of the support rod, it is convenient to clean the surface of the filter bag.

[0016] Preferably, the top ends of the reciprocating screw and the slide bar are fixedly connected to the bottom end of the fixed plate, the first bevel gear and the second bevel gear are meshed with each other, and the output end of the drive motor extends to the inside of the dust removal box and is fixedly connected to one side of the second bevel gear. When the drive motor is started, the drive motor drives the second bevel gear to rotate, and the second bevel gear drives the reciprocating screw to rotate through the first bevel gear, and the reciprocating screw drives the moving seat to reciprocate on the outside of the reciprocating screw, and the moving seat moves on the outside of the slide bar.

[0017] Preferably, one side of the bristles contacts the outside of the filter bag, and the slide bar and the movable seat form a sliding structure. Under the action of the slide bar, the stability of the movable seat during movement is enhanced, and the movable seat drives the bristles to reciprocate and clean the outside of the filter bag, so that the dust on the surface of the filter bag falls into the inside of the ash hopper.

[0018] The utility model provides a bag dust collector for an airflow pulverizer, which has the following advantages:

[0019] By providing a cleaning structure, starting the driving motor, the driving motor drives the second bevel gear to rotate, the second bevel gear drives the reciprocating screw to rotate through the first bevel gear, the reciprocating screw drives the moving seat to reciprocate on the outside of the reciprocating screw, the moving seat moves on the outside of the slide rod, under the action of the slide rod, the stability of the moving seat during movement is enhanced, the moving seat drives the brush to reciprocate and clean the outside of the filter bag, so that the dust on the surface of the filter bag falls into the inside of the ash hopper, the function of facilitating dust cleaning of the device is realized, thereby improving the working efficiency of the bag dust collector for the air flow pulverizer during use;

[0020] By providing a fixed structure, the moving block is pulled, and the moving block drives the fixed pin to move to the inside of the built-in cavity, the bellows is sleeved on the bottom of the ash hopper, and the moving block is loosened. Under the action of the first reset spring, the reset plate drives the fixed pin to move to the inside of the ash hopper, so that the bellows and the ash hopper are fixed to each other, so that the dust inside the ash hopper falls into the inside of the collection box through the bellows. Under the action of the bellows, it is convenient to fix and disassemble the collection box and the ash hopper, and it is convenient to collect dust, thereby realizing the function of the device to collect dust, thereby improving the convenience of the bag dust collector used for the airflow pulverizer when in use;

[0021] By setting a limited position structure, the fixed frame is moved by the movable plate, so that the fixed frame drives the filter bag to move to the interior of the dust removal box, and the movable plate is moved, and the movable plate drives the fixed plate to move, and the fixed plate drives the clamping plate to move to the interior of the movable groove through the connecting rod, and the movable plate is released. Under the action of the second reset spring, the connecting rod pushes the clamping plate to move to the interior of the clamping groove, and then the fixed frame and the fixed plate are fixed to each other. By limiting the filter bag and under the support of the support rod, it is convenient to clean the surface of the filter bag, thereby realizing the function of easy fixing of the device, thereby improving the applicability of the bag dust collector used for the air flow pulverizer when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0024] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0025] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0026] Figure 5 This is a schematic diagram of the main cross-sectional structure of the fixed structure of the utility model;

[0027] Figure 6It is a schematic diagram of a partial three-dimensional structure of the cleaning structure of the utility model.

[0028] Explanation of reference numerals in the figure: 1. dust removal assembly; 101. dust removal box; 102. ash hopper; 103. support leg; 104. air inlet; 105. end cover; 106. exhaust port; 2. dust receiving assembly; 201. collection box; 202. bellows; 203. fixed structure; 2031. fixed seat; 2032. moving block; 2033. fixed pin; 2034. built-in cavity; 2035. first return spring; 2036. return plate; 3. filter bag; 4. fixed plate; 5. limiting structure; 501. movable groove; 502. snap-in plate; 503. snap-in groove; 504. second return spring; 505. connecting rod; 506. fixed plate; 507. movable plate; 6. cleaning structure; 601. reciprocating screw rod; 602. first bevel gear; 603. driving motor; 604. second bevel gear; 605. movable seat; 606. bristles; 607. sliding rod; 7. fixed frame; 8. support rod. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-Figure 6The utility model provides a bag dust collector for an air flow pulverizer, comprising a dust removal component 1 and a dust receiving component 2. The dust removal component 1 comprises a dust removal box 101, an ash hopper 102, a support leg 103, an air inlet 104, an end cover 105 and an exhaust port 106. The ash hopper 102 is fixed at the bottom end of the dust removal box 101, and the support legs 103 are fixed at the corner positions of the bottom end of the dust removal box 101. The bottom end of the ash hopper 102 is provided with a dust receiving component 2. The dust receiving component 2 comprises a collection box 201, a bellows 202, and a fixed structure 203. The collection box 201 is provided below the ash hopper 102, and the bellows 202 is fixed at the top of the collection box 201. A fixed structure 203 is provided on one side of the top of the bellows 202. The fixed structure 203 comprises a fixed seat 2031, a moving block 2032, and a fixing pin 2033, a built-in cavity 2034, a first return spring 2035 and a return plate 2036, the fixed seat 2031 is fixed to one side of the top of the bellows 202, the fixed seat 2031 is provided with a built-in cavity 2034, the built-in cavity 2034 is penetrated by a fixed pin 2033, one end of the fixed pin 2033 extends to the outside of the fixed seat 2031 and is fixed with a moving block 2032, the outer side of the fixed pin 2033 in the built-in cavity 2034 is sleeved with a first return spring 2035, and a return plate 2036 is fixed on the outer wall of the fixed pin 2033 at one end of the first return spring 2035 away from the moving block 2032, the fixed pin 2033 and the ash hopper 102 form a locking structure, and the return plate 2036 and the fixed pin 2033 form a telescopic structure through the first return spring 2035.

[0031] Reference Figure 2 and Figure 5 As shown, pull the moving block 2032, and the moving block 2032 drives the fixing pin 2033 to move to the inside of the built-in cavity 2034, and put the bellows 202 on the bottom of the ash hopper 102, loosen the moving block 2032, and under the action of the first reset spring 2035, the reset plate 2036 drives the fixing pin 2033 to move to the inside of the ash hopper 102, so that the bellows 202 and the ash hopper 102 are fixed to each other, so that the dust inside the ash hopper 102 falls into the inside of the collecting box 201 through the bellows 202. Under the action of the bellows 202, it is convenient to fix and disassemble the collecting box 201 and the ash hopper 102, so as to collect the dust.

[0032] An air inlet 104 is fixed to one side of the bottom of the dust removal box 101, an end cover 105 is installed on the top of the dust removal box 101, an exhaust port 106 is fixed to the top of the end cover 105, a fixed plate 4 is fixed inside the dust removal box 101, a fixed frame 7 is arranged inside the fixed plate 4, and both sides of the fixed frame 7 are provided with a limiting structure 5, the limiting structure 5 includes a movable groove 501, a clamping plate 502, a clamping groove 503, a second return spring 504, a connecting rod 505, a fixed plate 506 and a movable plate 507, the movable groove 501 is arranged on both sides of the fixed frame 7, and the movable groove 501 is provided with a clamping plate 502, a clamping plate 503, a second return spring 504, a connecting rod 505, a fixed plate 506 and a movable plate 507. Plate 502, a clamping groove 503 is provided inside the fixed disk 4 on one side of the clamping plate 502, a connecting rod 505 is evenly fixed on one side of the clamping plate 502, one end of the connecting rod 505 extends to the outside of the fixed frame 7 and is fixed with a fixed plate 506, the top of the fixed plate 506 extends to the top of the fixed frame 7 and is fixed with a movable plate 507, the outer side of the connecting rod 505 in the movable groove 501 is sleeved with a second return spring 504, the clamping plate 502 and the fixed disk 4 form a clamping structure through the clamping groove 503, and the connecting rod 505 and the clamping plate 502 form a telescopic structure through the second return spring 504.

[0033] Reference Figure 2 and Figure 3 As shown, the fixed frame 7 is moved by the movable plate 507, so that the fixed frame 7 drives the filter bag 3 to move to the inside of the dust removal box 101, and the movable plate 507 is moved. The movable plate 507 drives the fixed plate 506 to move, and the fixed plate 506 drives the clamping plate 502 to move to the inside of the movable groove 501 through the connecting rod 505. The movable plate 507 is released, and under the action of the second reset spring 504, the connecting rod 505 pushes the clamping plate 502 to move to the inside of the clamping groove 503, thereby fixing the fixed frame 7 and the fixed plate 4 to each other, and by limiting the filter bag 3, and at the same time, with the support of the support rod 8, it is convenient to clean the surface of the filter bag 3.

[0034] A filter bag 3 is fixed to the bottom end of the fixed frame 7, and support rods 8 are evenly fixed on both sides of the bottom end of the fixed frame 7 inside the filter bag 3. A cleaning structure 6 is arranged inside the dust removal box 101 outside the filter bag 3. The cleaning structure 6 includes a reciprocating screw rod 601, a first bevel gear 602, a drive motor 603, a second bevel gear 604, a movable seat 605, bristles 606 and a sliding rod 607. The reciprocating screw rod 601 is arranged inside the dust removal box 101 on one side of the filter bag 3, and the outer side of the reciprocating screw rod 601 is threadedly connected with the movable seat 605. The bottom end of the reciprocating screw rod 601 is fixed with a first bevel gear 602, and a second bevel gear 606 is arranged on one side of the bottom end of the first bevel gear 602. 04, a driving motor 603 is installed on the outer wall of the dust removal box 101 at one end of the second bevel gear 604, a sliding rod 607 penetrates the side of the movable seat 605 away from the reciprocating screw rod 601, and bristles 606 are evenly arranged on the inner side of the movable seat 605. The top ends of the reciprocating screw rod 601 and the sliding rod 607 are fixedly connected to the bottom end of the fixed plate 4, the first bevel gear 602 and the second bevel gear 604 are meshed with each other, the output end of the driving motor 603 extends to the interior of the dust removal box 101 and is fixedly connected to one side of the second bevel gear 604, one side of the bristles 606 is in contact with the outer side of the filter bag 3, and the sliding rod 607 and the movable seat 605 constitute a sliding structure.

[0035] Reference Figure 2 and Figure 6 As shown, the drive motor 603 is started, and the drive motor 603 drives the second bevel gear 604 to rotate. The second bevel gear 604 drives the reciprocating screw 601 to rotate through the first bevel gear 602. The reciprocating screw 601 drives the moving seat 605 to reciprocate on the outside of the reciprocating screw 601. The moving seat 605 moves on the outside of the slide bar 607. Under the action of the slide bar 607, the stability of the moving seat 605 during movement is enhanced. The moving seat 605 drives the brush 606 to reciprocate and clean the outside of the filter bag 3, so that the dust on the surface of the filter bag 3 falls into the inside of the ash hopper 102.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A bag dust collector for a jet mill, comprising a dust removal component (1) and a dust receiving component (2); Features: The dust removal assembly (1) comprises a dust removal box (101), an ash hopper (102), a support leg (103), an air inlet (104), an end cover (105) and an exhaust port (106); the ash hopper (102) is fixed to the bottom end of the dust removal box (101); the support legs (103) are fixed at the corner positions of the bottom end of the dust removal box (101); the bottom end of the ash hopper (102) is provided with a dust receiving assembly (2); the dust receiving assembly (2) comprises a collection box (201), a bellows (202) and a fixed structure (203); the collection box (201) is provided below the ash hopper (102); the bellows (202) is fixed to the top end of the collection box (201); and a fixed structure (203) is provided on one side of the top of the bellows (202); An air inlet (104) is fixed to one side of the bottom of the dust removal box (101), an end cover (105) is installed at the top of the dust removal box (101), an exhaust port (106) is fixed to the top of the end cover (105), a fixed plate (4) is fixed inside the dust removal box (101), a fixed frame (7) is arranged inside the fixed plate (4), limiting structures (5) are arranged on both sides of the inside of the fixed frame (7), a filter bag (3) is fixed to the bottom of the fixed frame (7), and support rods (8) are evenly fixed on both sides of the bottom of the fixed frame (7) inside the filter bag (3); A cleaning structure (6) is arranged inside the dust removal box (101) outside the filter bag (3), and the cleaning structure (6) comprises a reciprocating screw (601), a first bevel gear (602), a drive motor (603), a second bevel gear (604), a movable seat (605), bristles (606) and a sliding rod (607). The reciprocating screw (601) is arranged inside the dust removal box (101) on one side of the filter bag (3).

2. A bag dust collector for a jet mill according to claim 1, characterized in that: The fixed structure (203) comprises a fixed seat (2031), a moving block (2032), a fixed pin (2033), a built-in cavity (2034), a first reset spring (2035) and a reset plate (2036); the fixed seat (2031) is fixed to one side of the top of the bellows (202); a built-in cavity (2034) is provided inside the fixed seat (2031); a fixed pin (2033) runs through the inside of the built-in cavity (2034); one end of the fixed pin (2033) extends to the outside of the fixed seat (2031) and is fixed with the moving block (2032); a first reset spring (2035) is sleeved on the outer side of the fixed pin (2033) inside the built-in cavity (2034); a reset plate (2036) is fixed on the outer wall of the fixed pin (2033) at one end of the first reset spring (2035) away from the moving block (2032).

3. A bag dust collector for a jet mill according to claim 2, characterized in that: The fixing pin (2033) and the ash hopper (102) form a locking structure, and the reset plate (2036) and the fixing pin (2033) form a telescopic structure via a first reset spring (2035).

4. A bag dust collector for a jet mill according to claim 1, characterized in that: The limiting structure (5) comprises a movable groove (501), a clamping plate (502), a clamping groove (503), a second return spring (504), a connecting rod (505), a fixed plate (506) and a movable plate (507); the movable groove (501) is arranged on both sides of the fixed frame (7); a clamping plate (502) is arranged inside the movable groove (501); a clamping groove (503) is opened inside the fixed plate (4) on one side of the clamping plate (502); a connecting rod (505) is evenly fixed on one side of the clamping plate (502); one end of the connecting rod (505) extends to the outside of the fixed frame (7) and is fixed with a fixed plate (506); the top end of the fixed plate (506) extends to the top of the fixed frame (7) and is fixed with a movable plate (507); and the second return spring (504) is sleeved on the outer side of the connecting rod (505) inside the movable groove (501).

5. A bag dust collector for a jet mill according to claim 4, characterized in that: The clamping plate (502) and the fixed disk (4) form a clamping structure via a clamping groove (503), and the connecting rod (505) and the clamping plate (502) form a telescopic structure via a second return spring (504).

6. A bag dust collector for a jet mill according to claim 1, characterized in that: The outer side of the reciprocating screw (601) is threadedly connected to a movable seat (605); a first bevel gear (602) is fixed to the bottom end of the reciprocating screw (601); a second bevel gear (604) is arranged on one side of the bottom end of the first bevel gear (602); a driving motor (603) is installed on the outer wall of the dust removal box (101) at one end of the second bevel gear (604); a sliding rod (607) passes through the side of the movable seat (605) away from the reciprocating screw (601); and bristles (606) are evenly arranged on the inner side of the movable seat (605).

7. A bag dust collector for a jet mill according to claim 6, characterized in that: The top ends of the reciprocating screw rod (601) and the sliding rod (607) are fixedly connected to the bottom end of the fixed plate (4), the first bevel gear (602) and the second bevel gear (604) are meshed with each other, and the output end of the driving motor (603) extends to the interior of the dust removal box (101) and is fixedly connected to one side of the second bevel gear (604).

8. A bag dust collector for a jet mill according to claim 6, characterized in that: One side of the bristles (606) is in contact with the outer side of the filter bag (3), and the sliding rod (607) and the movable seat (605) form a sliding structure.

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