CN220048914U - Impurity removal screening machine - Google Patents

Abstract

The utility model provides a impurity removal screening machine, which relates to the technical field of food processing and comprises the following components: a screening box; four fixing columns are fixedly connected with the bottom end of the screening box in a rectangular array shape; the bottom end surfaces of the four fixed columns are fixedly provided with universal wheels; a feed hopper is fixedly arranged in the front of the top end face of the screening box in the middle; two screening frames are symmetrically and slidingly connected in the screening box; the positions between the two screening frames are aligned; the lower part of the screening box is fixedly connected with an ash collecting seat; the dust collecting seat is aligned with the position between the two screening frames. The first swing rod is enabled to rotate through the starting driving motor, the two screening frames are pulled to slide reciprocally through the second swing rod, the peanuts of the screening frames are automatically evenly opened through the reciprocal sliding of the two screening frames, and the problem that a large number of peanuts enter the screening box through the feeding hopper simultaneously to cause the peanuts to be piled up in the screening box to influence the screening effect of the peanuts is solved.

Description

Impurity removal screening machine

Technical Field

The utility model relates to the technical field of food processing, in particular to a impurity removal screening machine.

Background

In the process of peanut production, the boiled and dried peanuts are usually required to be screened, dust, sand and other solid wastes of peanut parts are subjected to impurity removal screening, in order to facilitate impurity removal screening of the peanuts, workers usually use an impurity removal screening machine, the existing impurity removal screening machine usually consists of a screening box, a feeding hopper and a filtering screen, in the process of use, the boiled and dried peanuts are usually conveyed into the feeding hopper by a conveying belt, and the peanuts are enabled to fall onto the filtering screen in the screening box through the feeding hopper to remove the impurities and screen the dust, the sand and other solid wastes.

For example: the utility model discloses a peanut impurity-removing screening machine with a shell, which specifically comprises a frame, wherein a screen box is arranged in the frame, a screen frame is horizontally arranged on the upper side of the screen box, a screen is arranged on the screen frame, a vibrating mechanism capable of driving the screen box to vibrate is arranged on the frame, a cover body capable of covering the screen box is further arranged on the upper side of the screen box, one end of the cover body is hinged to the screen box, the other end of the cover body is fixedly connected with a plugboard, an inserting column horizontally arranged on an axis is fixedly connected to the plugboard, an inserting ring capable of inserting the plugboard and the inserting column is fixedly connected to the screen box, two movable plates are connected to the lower side of the screen box corresponding to the inserting ring in a sliding manner along the axis direction of the inserting column, the two movable plates are respectively arranged on two sides of the plugboard, limiting holes capable of being sleeved on the inserting column along with the sliding of the movable plates are respectively arranged on the movable plates, and elastic elements capable of dragging the two movable plates to move towards the direction close to each other are further arranged on the screen box. The utility model has the effects of reducing the dust emission problem in the working process, ensuring the cleanness of the working environment and the safety of staff.

However, for the traditional edulcoration sieve separator at present, send into the peanut through the drive belt and carry out the material loading in the feeder hopper generally, but make a large amount of peanuts get into the screening incasement through the feeder hopper simultaneously through the drive belt material loading easily, lead to the peanut to produce in the screening incasement and pile up, still can influence the screening efficiency of peanut when influencing the peanut screening effect, it is comparatively inconvenient to use.

Disclosure of Invention

In view of the above, the utility model provides a trash separator, which has more uniform screening frames capable of automatically evenly opening piled peanuts to enable the peanuts to be screened, a driving motor is started to drive a first swing rod to rotate, a connecting rod is pulled by a second swing rod to slide reciprocally in a screening box in the process of rotating the first swing rod, two screening frames are driven to slide reciprocally by a connecting frame in the process of sliding the connecting rod reciprocally, and the peanuts of the screening frames are automatically evenly opened by the reciprocal sliding of the two screening frames, so that the screening efficiency of the trash separator is more uniform, and the practicability of the trash separator is improved.

The utility model provides a impurity removal screening machine, which specifically comprises: a screening box; four fixing columns are fixedly connected with the bottom end of the screening box in a rectangular array shape; the bottom end surfaces of the four fixed columns are fixedly provided with universal wheels; a feed hopper is fixedly arranged in the front of the top end face of the screening box in the middle; two screening frames are symmetrically and slidingly connected in the screening box; the positions between the two screening frames are aligned; the lower part of the screening box is fixedly connected with an ash collecting seat; the position between the dust collecting seat and the two screening frames is aligned; the rear end face of the screening box is fixedly connected with a mounting plate in the middle; the right end face of the mounting plate is fixedly connected with a driving motor through a central bolt; the front part of the bottom end of the screening box is provided with an ash collecting box.

Optionally, a first swing rod is coaxially connected to the left end face of the driving motor; the tail end of the first swing rod is hinged with a second swing rod; the tail end of the second swing rod is hinged with a connecting rod; the connecting rod is connected to the rear part of the screening box in a sliding way; the front end surface of the connecting rod is fixedly connected with a connecting frame; the rear end faces of the two screening frames are connected with the front end faces of the connecting frames.

Optionally, two groups of mounting rods are symmetrically and fixedly connected to the rear part of the screening box; the front end surfaces of the two groups of mounting rods are fixedly connected with a connecting plate; the bottom end surfaces of the two connecting plates are fixedly connected with a flattening frame; the two flattening frames are respectively arranged in the two screening frames.

Optionally, the front end surfaces of the two screening frames are both rotatably connected with a connecting rotating shaft; the outer parts of the two connecting rotating shafts are fixedly connected with a blanking plate in the middle; the two material blocking plates are aligned with the positions of the two screening frames respectively; a group of auxiliary torsion springs are symmetrically and fixedly connected to the outer sides of the two connecting rotating shafts; the tail ends of the two groups of auxiliary torsion springs are respectively and fixedly connected in the two screening frames; two impact posts are symmetrically and centrally fixedly connected to the front part of the screening box; the two impact posts are aligned with the positions of the two blanking plates respectively.

Optionally, a material distributing roller is rotatably connected to the upper part of the feeding hopper in the middle; the lower part of the feed hopper is symmetrically and rotatably connected with two buffer rotating plates; the bottom end surfaces of the two buffer rotating plates are fixedly connected with a group of auxiliary springs; the tail ends of the two groups of auxiliary springs are fixedly connected in the feeding hopper.

Optionally, an auxiliary rotating shaft is rotatably connected to the lower part of the front end surface of the screening box in the middle; the outside of the auxiliary rotating shaft is fixedly connected with a transmission gear; two guide sliding frames are symmetrically and fixedly connected to the lower part of the front end surface of the screening box; a transmission rack is connected in the two guide sliding racks in a sliding way; the two transmission racks are meshed with the transmission gear; the outer sides of the two transmission racks are fixedly connected with a fixing frame; the lower parts of the inner sides of the two fixing frames are fixedly connected with a limiting inserted link; the two limit inserted bars are inserted into the upper part of the ash collecting box.

Advantageous effects

According to the utility model, the stacked peanuts can be automatically evenly opened in the using process, so that the peanut screening is more uniform, the screening efficiency of the impurity-removing screening machine is effectively increased, the practicability of the impurity-removing screening machine is improved, secondly, the dust screened by workers can be conveniently collected and treated, the pollution to the surrounding environment caused by dust splashing is prevented, the operation is quick, the use is more convenient, and the convenience of the impurity-removing screening machine is effectively improved.

In addition, make driving motor drive first pendulum rod rotate through starting driving motor, can pull the connecting rod through the second pendulum rod at first pendulum rod pivoted in-process and carry out reciprocating sliding at the screening incasement, can drive two screening frames through the link at connecting rod reciprocating sliding's in-process and carry out reciprocating sliding, evenly open the peanut of screening frame through the reciprocating sliding of two screening frames automatically, make the more even of peanut screening, the effectual screening efficiency that increases the edulcoration sieve separator, the practicality of edulcoration sieve separator is improved.

In addition, can make the striking post strike the putty board and make the putty board take place to rotate at the filter house gliding in-process forward, can drive through the rotation of putty board and connect the pivot and rotate and extrude supplementary torsional spring, the filter house loses the seal of putty board after the putty board takes place to rotate, can send the peanut that the part was screened into in the unloading frame and by unloading frame discharge, make things convenient for the staff to collect the peanut that the screening was good, the putty board can slowly reset the filter house again along with the resilience of supplementary torsional spring when the filter house slides backward, make the peanut on the filter house continue to screen.

In addition, screen through the dust between the lower part screening frame to the peanut, make the dust fall on the album ash seat through the lower part screening frame and fall into the screening of accomplishing the peanut in album ash box along album ash seat, staff can rotate auxiliary rotating shaft when the dust accumulation in album ash box is too much, make auxiliary rotating shaft drive gear rotate, drive two drive racks and slide along the direction balladeur train through drive gear's rotation, can make spacing inserted bar slowly break away from with album ash box at two drive rack gliding in-process, staff's side can take off album ash box when spacing inserted bar breaks away from with album ash box completely and clear up the dust of album ash box inside, the operation side can be swift, it is more convenient to use, the effectual convenience that improves edulcoration sieve separator.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

In the drawings:

FIG. 1 is a schematic diagram of an axial structure of the present utility model.

Fig. 2 is a schematic view of the axial structure of the present utility model.

Fig. 3 is a schematic cross-sectional view of the present utility model.

FIG. 4 is a schematic diagram of a sectional isometric configuration of the present utility model.

Fig. 5 is an enlarged schematic view of the structure of fig. 4 at a in accordance with the present utility model.

Fig. 6 is a schematic diagram of an axial structure of a transmission gear of the present utility model.

FIG. 7 is a schematic diagram of the axial structure of the feed hopper of the present utility model.

List of reference numerals

1. A screening box; 101. fixing the column; 102. a universal wheel; 103. a feed hopper; 104. a material distributing roller; 105. a material-buffering rotating plate; 106. an auxiliary spring; 107. a blanking frame; 108. a screening frame; 109. the connecting rotating shaft; 110. a blanking plate; 111. an auxiliary torsion spring; 112. a mounting plate; 113. a driving motor; 114. a first swing rod; 115. the second swing rod; 116. a connecting rod; 117. a connecting frame; 118. a mounting rod; 119. a connecting plate; 120. a flattening frame; 121. an ash collecting seat; 122. an ash collection box; 123. an auxiliary rotating shaft; 124. a transmission gear; 125. a drive rack; 126. a fixing frame; 127. a limit inserted link; 128. a guide carriage; 129. striking the column.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.

Examples: please refer to fig. 1 to 7:

the utility model provides a impurity removal screening machine, which comprises: a screening box 1;

the bottom end of the screening box 1 is in a rectangular array shape and is fixedly connected with four fixing columns 101; the bottom end surfaces of the four fixed columns 101 are fixedly provided with universal wheels 102; a feed hopper 103 is fixedly arranged in the middle of the front part of the top end face of the screening box 1; two screening frames 108 are symmetrically and slidingly connected in the screening box 1; alignment between the two screening racks 108; the lower part of the screening box 1 is fixedly connected with an ash collecting seat 121; the ash collection seat 121 is aligned with the position between the two screening frames 108; the rear end face of the screening box 1 is fixedly connected with a mounting plate 112 in the middle; a driving motor 113 is fastened and connected to the right end face of the mounting plate 112 through a central bolt; the front part of the bottom end of the screening box 1 is provided with an ash collecting box 122.

Further, according to the embodiment of the present utility model, as shown in fig. 2 and 3, a first swing link 114 is coaxially connected to the left end surface of the driving motor 113; the tail end of the first swing rod 114 is hinged with a second swing rod 115; the tail end of the second swing rod 115 is hinged with a connecting rod 116; the connecting rod 116 is slidably connected to the rear part of the screening box 1; the front end surface of the connecting rod 116 is fixedly connected with a connecting frame 117; the rear end faces of the two screening frames 108 are connected with the front end faces of the connecting frames 117, so that the driving motor 113 drives the first swing rod 114 to rotate through the driving motor 113, the connecting rod 116 is pulled to slide reciprocally in the screening box 1 through the second swing rod 115 in the process of rotating the first swing rod 114, the two screening frames 108 are driven to slide reciprocally through the connecting frames 117 in the process of sliding the connecting rod 116 reciprocally, peanuts of the screening frames 108 are automatically evenly spread through the reciprocal sliding of the two screening frames 108, screening efficiency of the impurity removing screening machine is effectively improved, and practicability of the impurity removing screening machine is improved.

Furthermore, according to an embodiment of the present utility model, as shown in fig. 3 and 4, two sets of mounting bars 118 are symmetrically and fixedly connected to the rear portion of the screening box 1; the front end surfaces of the two groups of mounting rods 118 are fixedly connected with a connecting plate 119; a flattening frame 120 is fixedly connected to the bottom end surfaces of the two connecting plates 119; the two flattening frames 120 are respectively arranged in the two screening frames 108, so that the flattening frames 120 can automatically spread piled peanuts in the reciprocating sliding process of the screening frames 108, the uniform spreading speed of the peanuts is accelerated, the screening efficiency of the impurity removal screening machine is further improved, and the use is more convenient.

In addition, according to the embodiment of the present utility model, as shown in fig. 4 and 5, the front end surfaces of both the screening frames 108 are rotatably connected with one connection shaft 109; a blanking plate 110 is fixedly connected to the outside of each connecting rotating shaft 109 in the middle; the two blanking plates 110 are aligned with the positions of the two screening frames 108 respectively; a group of auxiliary torsion springs 111 are symmetrically and fixedly connected to the outer sides of the two connecting rotating shafts 109; the tail ends of the two groups of auxiliary torsion springs 111 are respectively fixedly connected in the two screening frames 108; two impact posts 129 are fixedly connected to the front part of the screening box 1 symmetrically and centrally; two striking posts 129 align with the position of two putty plates 110 respectively to can make striking post 129 strike putty plate 110 and make putty plate 110 rotate at screening frame 108 gliding in-process forward, can drive through the rotation of putty plate 110 and connect pivot 109 and rotate and extrude auxiliary torsion spring 111, screening frame 108 loses the seal of putty plate 110 after putty plate 110 takes place to rotate, can send the peanut that the part was screened into blanking frame 107 and by blanking frame 107 discharge, make things convenient for the staff to collect the peanut that the screening was good, the resilience of putty plate 110 along with auxiliary torsion spring 111 slowly resets when screening frame 108 slides backward and seals screening frame 108 again, makes the peanut on the screening frame 108 continue to screen.

Furthermore, according to an embodiment of the present utility model, as shown in fig. 4 and 7, a feed roll 104 is rotatably coupled to the upper portion of the feed hopper 103 in the center; the lower part of the feed hopper 103 is symmetrically and rotatably connected with two buffer rotating plates 105; the bottom end surfaces of the two buffer rotating plates 105 are fixedly connected with a group of auxiliary springs 106; the end of two sets of auxiliary springs 106 is all fixed connection in feeder hopper 103 to send the peanut into feeder hopper 103 through the conveyer belt, the peanut that gets into feeder hopper 103 can stir the feed roll 104 and rotate at the in-process that falls, make feed roll 104 divide the peanut that falls into in the feeder hopper 103, two pieces of buffering swivel plates 105 are closed condition under this initial state, the peanut after dividing makes buffering swivel plates 105 rotate on buffering swivel plates 105, in the pivoted in-process of buffering swivel plates 105 auxiliary spring 106 can provide buffering protection and support for buffering swivel plates 105, make the peanut on the buffering swivel plates 105 fall into on the screening frame 108 along the gap slowly through the rotation of buffering swivel plates 105, the effectual feed rate that reduces the peanut, also can make the peanut that gets into in the screening case 1 more even when preventing that feeder hopper 103 from taking place the card material, the practicality of edulcoration screening machine has further been improved.

In addition, according to the embodiment of the present utility model, as shown in fig. 1 and 6, an auxiliary rotating shaft 123 is rotatably connected to the lower part of the front end surface of the screening box 1 in the center; the outside of the auxiliary rotating shaft 123 is fixedly connected with a transmission gear 124; two guide sliding carriages 128 are symmetrically and fixedly connected to the lower part of the front end surface of the screening box 1; a transmission rack 125 is slidably connected in each of the two guide carriages 128; both drive racks 125 are meshed with drive gear 124; the outer sides of the two transmission racks 125 are fixedly connected with a fixing frame 126; the lower parts of the inner sides of the two fixing frames 126 are fixedly connected with a limiting inserted rod 127; two spacing inserted bars 127 are all pegged graft in the upper portion of album ash box 122 to because the sieve mesh of lower part screening frame 108 is less than the filtration pore of upper portion screening frame 108, consequently, get into the peanut of screening case 1 and can screen great sand and stone earlier and make great sand and stone stay on upper portion screening frame 108 after falling on upper portion screening frame 108, the peanut that passes through first screening falls on lower portion screening frame 108, screen the dust between the peanut through lower portion screening frame 108, make the dust fall on album ash seat 121 and fall into the screening of accomplishing the peanut along album ash seat 121 in the collection ash box 122, staff can rotate auxiliary rotating shaft 123 when the dust accumulation in album ash box 122 is too much, make auxiliary rotating shaft 123 drive transmission gear 124 rotate, drive two transmission racks 125 and slide along direction carriage 128 through the rotation of transmission gear 124, can make spacing inserted bar 127 slowly break away from album ash box 122 in the in-process that two transmission racks 125 slide, can take out the dust with the staff when spacing inserted bar 127 is complete and album ash box 122 and break away from album ash box 122, the convenient operation has improved the album of dust, the inside has been convenient for the collection of the dust box, the convenient operation has been removed.

Specific use and action of the embodiment:

in the using process, peanuts are sent into the feed hopper 103 through the conveyor belt, the peanuts entering the feed hopper 103 stir the material distribution roller 104 to rotate in the falling process, so that the material distribution roller 104 distributes the peanuts falling into the feed hopper 103, in the initial state, two buffer rotating plates 105 are in a closed state, the distributed peanuts fall on the buffer rotating plates 105 to rotate the buffer rotating plates 105, in the rotating process of the buffer rotating plates 105, an auxiliary spring 106 can provide buffer protection and support for the buffer rotating plates 105, a gap is opened between the two buffer rotating plates 105 through the rotation of the buffer rotating plates 105, the peanuts on the buffer rotating plates 105 slowly fall into the screening frame 108 along the gap, the feeding speed of the peanuts is effectively reduced, the peanuts entering the screening box 1 can be more uniform while the clamping of the feed hopper 103 is prevented, the practicability of the impurity removing screening machine is further improved, because the sieve pores of the lower sieving frame 108 are smaller than the sieve pores of the upper sieving frame 108, the peanuts entering the sieving box 1 firstly sieve larger sand and stones after falling on the upper sieving frame 108, so that the larger sand and stones are left on the upper sieving frame 108, the initially sieved peanuts fall on the lower sieving frame 108, dust among the peanuts is sieved by the lower sieving frame 108, the dust falls on the dust collecting seat 121 through the lower sieving frame 108 and falls into the dust collecting box 122 along the dust collecting seat 121 for storage, the sieving of the peanuts is completed, when the dust in the dust collecting box 122 is excessively accumulated, the staff can rotate the auxiliary rotating shaft 123, the auxiliary rotating shaft 123 drives the transmission gears 124 to rotate, the two transmission racks 125 are driven to slide along the guide sliding frame 128 through the rotation of the transmission gears 124, the limit inserting rod 127 is slowly separated from the dust collecting box 122 in the sliding process of the two transmission racks 125, when the limiting inserted rod 127 is completely separated from the ash collecting box 122, the worker can take down the ash collecting box 122 to clean dust in the ash collecting box 122, the operation is quick, the use is more convenient, the convenience of the impurity removal screening machine is effectively improved, the driving motor 113 is started to drive the first swing rod 114 to rotate, the connecting rod 116 is pulled to slide reciprocally in the screening box 1 through the second swing rod 115 in the rotating process of the first swing rod 114, the two screening frames 108 are driven to slide reciprocally through the connecting frame 117 in the reciprocating sliding process of the connecting rod 116, the peanuts of the screening frames 108 are automatically evenly opened through the reciprocating sliding of the two screening frames 108, the screening efficiency of the impurity removal screening machine is effectively increased, the practicability of the impurity removal screening machine is improved, the spreading frame 120 can automatically spread the piled peanuts in the process of reciprocating sliding of the screening frame 108, the uniform spreading speed of the peanuts is accelerated, the screening efficiency of the impurity removal screening machine is further accelerated, the use is more convenient, the impact column 129 can impact the blanking plate 110 to rotate the blanking plate 110 in the process of sliding the screening frame 108 forwards, the connecting rotating shaft 109 can be driven to rotate through the rotation of the blanking plate 110 and extrude the auxiliary torsion spring 111, after the blanking plate 110 rotates, the screening frame 108 loses the sealing of the blanking plate 110, part of screened peanuts can be sent into the blanking frame 107 and discharged by the blanking frame 107, the screening efficiency of the impurity removal screening machine is further accelerated, when the screening frame 108 slides backwards, the blanking plate 110 can be reset along with the rebound of the auxiliary torsion spring 111 to seal the screening frame 108 again, the peanuts on the screening frame 108 are continuously screened, the personnel can conveniently move the impurity removal screening machine through the arrangement of the universal wheels 102.

Claims (6)

1. Edulcoration sieve separator, its characterized in that includes: a screening box (1); four fixing columns (101) are fixedly connected with the bottom end of the screening box (1) in a rectangular array shape; the bottom end surfaces of the four fixed columns (101) are fixedly provided with universal wheels (102); a feed hopper (103) is fixedly arranged in the middle of the front part of the top end of the screening box (1); two screening frames (108) are symmetrically and slidably connected in the screening box (1); -a position alignment between two of said screening frames (108); the lower part of the screening box (1) is fixedly connected with an ash collecting seat (121); the dust collecting seat (121) is aligned with the position between the two screening frames (108); the rear end face of the screening box (1) is fixedly connected with a mounting plate (112) in the middle; a driving motor (113) is fastened and connected to the right end face of the mounting plate (112) through a central bolt; an ash collecting box (122) is arranged at the front part of the bottom end of the screening box (1).

2. The trash separator of claim 1, wherein: the left end face of the driving motor (113) is coaxially connected with a first swing rod (114); the tail end of the first swing rod (114) is hinged with a second swing rod (115); the tail end of the second swing rod (115) is hinged with a connecting rod (116); the connecting rod (116) is connected to the rear part of the screening box (1) in a sliding manner; the front end surface of the connecting rod (116) is fixedly connected with a connecting frame (117); the rear end surfaces of the two screening frames (108) are connected with the front end surfaces of the connecting frames (117).

3. The trash separator of claim 1, wherein: two groups of mounting rods (118) are symmetrically and fixedly connected to the rear part of the screening box (1); the front end surfaces of the two groups of mounting rods (118) are fixedly connected with a connecting plate (119); the bottom end surfaces of the two connecting plates (119) are fixedly connected with a flattening frame (120); two flattening frames (120) are respectively arranged in the two screening frames (108).

4. The trash separator of claim 1, wherein: the front end surfaces of the two screening frames (108) are rotatably connected with a connecting rotating shaft (109); the outside of the two connecting rotating shafts (109) is fixedly connected with a blanking plate (110) in the middle; the two blanking plates (110) are aligned with the positions of the two screening frames (108) respectively; a group of auxiliary torsion springs (111) are symmetrically and fixedly connected to the outer sides of the two connecting rotating shafts (109); the tail ends of the two groups of auxiliary torsion springs (111) are respectively and fixedly connected in the two screening frames (108); two impact posts (129) are symmetrically and centrally fixedly connected to the front part of the screening box (1); the two impact posts (129) are aligned with the positions of the two blanking plates (110), respectively.

5. The trash separator of claim 1, wherein: the upper part of the feed hopper (103) is rotatably connected with a material distributing roller (104) in the middle; the lower part of the feed hopper (103) is symmetrically and rotatably connected with two buffer rotating plates (105); the bottom end surfaces of the two buffering rotating plates (105) are fixedly connected with a group of auxiliary springs (106); the tail ends of the two groups of auxiliary springs (106) are fixedly connected in the feed hopper (103).

6. The trash separator of claim 1, wherein: an auxiliary rotating shaft (123) is rotatably connected to the lower part of the front end surface of the screening box (1) in the middle; the outside of the auxiliary rotating shaft (123) is fixedly connected with a transmission gear (124); two guide sliding carriages (128) are symmetrically and fixedly connected to the lower part of the front end surface of the screening box (1); a transmission rack (125) is connected in the two guide sliding racks (128) in a sliding way; both transmission racks (125) are meshed with the transmission gear (124); the outer sides of the two transmission racks (125) are fixedly connected with a fixing frame (126); the lower parts of the inner sides of the two fixing frames (126) are fixedly connected with a limiting inserted rod (127); the two limit inserting rods (127) are inserted into the upper part of the ash collecting box (122).