CN114485011B - Automatic defrosting device for refrigeration house - Google Patents

Abstract

The invention relates to the technical field of fuel oil main pipe testing, in particular to an automatic defrosting device for a cold storage, which comprises two guide track frames, guide moving blocks, connecting sliding seats, parallel cutters and inclined shovel blades, wherein the number of the guide track frames is two, the guide track frames are symmetrically distributed at the upper end and the lower end of a wall body, a hollow shell structure is arranged in each guide track frame, guide sliding grooves are formed in one side, opposite to the two guide track frames, of each guide track frame, a T-shaped guide moving block is arranged in each guide track frame in a sliding mode, and one end of each guide moving block is arranged in each guide sliding groove in a sliding mode and is connected with the connecting sliding seat. According to the invention, the inclined shovel blade and the parallel cutter are used for scraping the frost condensed on the inner side wall of the wall body of the refrigeration house through the two guide track frames, the parallel cutter can be used for scraping the frost layer on the surface of the ice layer, and the ice breaking tip and the steel wire on the parallel cutter can be used for breaking the ice layer, so that the inclined shovel blade can easily clean the ice layer on the wall body.

Description

Automatic defrosting device for refrigeration house

Technical Field

The invention relates to the technical field of fuel oil main pipe testing, in particular to an automatic defrosting device for a refrigeration house.

Background

The cold storage is a constant temperature and humidity storage device for food, liquid, chemical industry, medicine, vaccine, scientific test and other articles, and has larger refrigeration area and common refrigeration principle compared with the refrigerator.

The freezer is in the refrigeration use in-process moisture in its air can condense into frost and adhere to on the freezer wall body internal surface, can condense into ice even, influences the interior air conditioning diffusion of wall body to the freezer in, and then influences the refrigeration effect of freezer, and current freezer defrosting mode is electric heat defrosting, steam defrosting and water defrosting etc. mostly, and it mainly is to the defrosting of evaporimeter and pipeline surface to can not exist the frost on not considering the freezer wall body inner wall yet, has certain unilateralism.

If adopt electric heat defrosting and steam defrosting then can influence the refrigeration effect in the freezer, and steam can cool down fast in the freezer, and its defrosting effect is not good, and electric heat defrosting needs to bury heating device such as heater strip in the wall body, appears heating strip cold and hot alternation like this easily, and its life can reduce, if adopt water defrosting then can appear water condensing on the freezer wall body inner wall and lead to unable effective defrosting, perhaps artifical mechanical defrosting, its work load is big, defrosting inefficiency.

Disclosure of Invention

The invention provides an automatic defrosting device for a refrigeration house, which can solve the problems.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides an automatic defroster of freezer, includes guide rail frame, direction movable block, connects slide, parallel cutter and slope spiller, guide rail frame quantity be two and symmetric distribution at the upper and lower both ends of wall body, the inside hollow shell structure of guide rail frame, and two guide rail frame relative one sides all have seted up the direction spout, the direction movable block of T type that slides in the guide rail frame is provided with, direction movable block one end slides and sets up in the direction spout and be connected with the connection slide, connect the slide slip setting in the opposite one side of guide rail frame, two the slope spiller and the parallel cutter of horizontal distribution have been connected gradually between the connection slide, slope spiller left side is towards the wall body slope, the parallel cutter is parallel with the wall surface of wall body.

The guide track frame in install the guide lead screw through the bearing, guide lead screw and direction movable block threaded connection, the left end of guide lead screw runs through the guide track frame and its tip is installed drive sprocket through the spline, two drive sprocket is connected through the chain, one of them guide lead screw one end is connected with outside driving motor.

The parallel cutter be provided with a plurality of from last down evenly distributed's broken ice point towards the left end of one side of wall body, broken ice point is half quadrangular pyramid structure, broken ice point level is placed and its pointed end and contact of horizontal cutter right side, broken ice point's lateral wall edges and corners just to the wall body, adjacent two be connected with a plurality of steel wires along broken ice point edges and corners length direction evenly distributed between the broken ice point, a plurality of through holes have been evenly offered from last down in parallel cutter left side, and through holes and broken ice point crisscross distribution from top to bottom.

The frost ice collecting frame is arranged below the guide track frame and positioned at the lower end of the wall body, an inclined plane which is convenient to collect is arranged on the left side of the inside of the frost ice collecting frame, the right side of the frost ice collecting frame is communicated with a converging and discharging frame, the converging and discharging frame is fixed on the wall body, a rotating shaft is arranged in the frost ice collecting frame, the left end and the right end of the rotating shaft are respectively arranged on the left side of the frost ice collecting frame and the right side of the converging and discharging frame through bearings, spiral conveying blades are arranged on the rotating shaft, and the rotating shaft is connected with the existing driving.

As a preferable technical scheme of the invention, one side of the parallel cutter, which is far away from the wall body, is provided with a vertically placed baffle plate, the right side of the baffle plate is arranged to face the arc-shaped surface structure of the wall body, and the upper end and the lower end of the baffle plate are fixed with two connecting sliding seats through connecting rods.

As a preferable technical scheme of the invention, a vertical side plate is connected between the left sides of the two guide track frames, a protective shell is arranged on the left side of the vertical side plate, the chain and the driving sprocket are positioned in the protective shell, shielding plates are arranged on the right sides of the upper end and the lower end of the vertical side plate, the shielding plates are fixed at the front ends of the guide track frames, and the upper end and the lower end of the material blocking plate are respectively in sliding fit with the two shielding plates.

As a preferable technical scheme of the invention, the front end of the baffle plate is provided with a closed arc plate in a sliding manner, the closed arc plate is in sliding fit with an arc surface structure of the baffle plate, a plurality of arc grooves are uniformly formed in the arc surface structure of the baffle plate from top to bottom towards one side of the closed arc plate, a guide sliding block in sliding fit with the arc grooves is arranged on the closed arc plate, an elastic pull rope is connected between the guide sliding block and the left side wall of the arc grooves, a limit rod is arranged on the right side of the baffle plate, and the upper end and the lower end of the closed arc plate are both connected with matching rods matched with the limit rod.

As an optimized technical scheme of the invention, the right end of the frost ice collecting frame is hinged with an arc-shaped rotating plate, the arc-shaped rotating plate is hinged with the output end of a hydraulic cylinder, the fixed end of the hydraulic cylinder is hinged on the outer side wall of the frost ice collecting frame, a protective shell is arranged outside the hydraulic cylinder, and the protective shell is arranged on the outer wall of the frost ice collecting frame.

As a preferable technical scheme of the invention, the bottom of the converging and discharging frame is provided with a heating wire, and the bottom of the converging and discharging frame is communicated with an external drainage pipeline.

As a preferable technical scheme of the invention, an inclined surface is arranged on the right side of the connecting sliding seat and on one side far away from the guide track frame, and an inclined surface is also arranged on the side of the connecting sliding seat far away from the guide track frame and on one side facing the wall body.

As a preferable technical scheme of the invention, the bottom of the guide track frame positioned at the lower end of the wall body is provided with a through hole communicated with the inside of the guide track frame.

As a preferable technical scheme of the invention, the upper end and the lower end of the inclined shovel blade are connected with rotating shafts, torsion springs are arranged on the rotating shafts, the inclined shovel blade is rotatably arranged on the connecting sliding seat through the rotating shafts, and one end of each torsion spring is connected to the connecting sliding seat.

The invention has the beneficial effects that: 1. according to the invention, the inclined shovel blade and the parallel cutter are used for scraping the frost condensed on the inner side wall of the wall body of the refrigeration house through the two guide track frames, the parallel cutter can be used for scraping the frost layer on the surface of the ice layer, and the ice breaking tip and the steel wire on the parallel cutter can be used for breaking the ice layer, so that the inclined shovel blade can easily clean the ice layer on the wall body.

2. According to the invention, the scraped frost can be collected through the frost ice collecting frame, and then the frost is conveyed into the converging and discharging frame through the spiral conveying blade, so that the frost is heated and melted into water by the heating wire at the bottom of the frost ice collecting frame, and the frost ice is conveniently discharged; meanwhile, the invention can prevent the fallen frost from falling on the ground of the refrigeration house through the arc-shaped rotating plate.

3. According to the invention, the scraped frost can be prevented from splashing everywhere through the baffle plate, and the parallel cutter and the inclined shovel blade can be blocked by the vertical side plate, the shielding plate, the baffle plate and the closed arc plate after the parallel cutter and the inclined shovel blade return to the initial positions.

Drawings

The invention will be further described with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is an enlarged view of a portion of fig. 1 at a in accordance with the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a cross-sectional view taken at X-X in fig. 3 in accordance with the present invention.

Fig. 5 is an enlarged view of a portion of fig. 4 at B in accordance with the present invention.

Fig. 6 is a cross-sectional view taken at X-X in fig. 3 in accordance with the present invention.

Fig. 7 is a schematic view of the structure between the parallel cutter, the inclined blade and the connecting slide in the present invention.

Fig. 8 is a rear view of the present invention between the parallel blade, the inclined blade, the icebreaking tip and the wire.

Fig. 9 is a schematic view showing the structure among the frost ice collecting frame, the rotating shaft, the screw conveying blade, the converging discharge frame and the protective case in the present invention.

In the figure: 1. a guide rail frame; 11. a guide screw rod; 12. a drive sprocket; 13. a chain; 14. a through hole; 2. guiding the moving block; 3. the connecting slide seat; 4. a parallel cutter; 41. breaking ice tips; 42. a steel wire; 5. tilting the shovel blade; 51. a rotating shaft; 52. a torsion spring; 6. a frost ice collection frame; 61. an arc-shaped rotating plate; 62. a hydraulic cylinder; 63. a protective shell; 64. a rotating shaft; 65. spiral conveying blades; 7. converging the discharge frames; 81. a striker plate; 811. an arc-shaped groove; 812. a guide slide block; 813. an elastic pull rope; 814. a limit rod; 815. a mating lever; 82. a connecting rod; 83. a vertical side plate; 84. a protective housing; 85. a shielding plate; 86. and (5) closing the arc-shaped plate.

Detailed Description

Embodiments of the present invention are described below with reference to the accompanying drawings. In this process, to ensure clarity and convenience of description, the widths of the lines or the sizes of the constituent elements in the drawings may be exaggerated.

In addition, the terms below are defined based on functions in the present invention, and may be different according to intention of an operator or convention. Accordingly, these terms are defined based on the entire contents of the present specification.

Referring to fig. 1, fig. 3, fig. 4, fig. 6 and fig. 7, an automatic defrosting device for a refrigerator comprises a guide track frame 1, a guide moving block 2, a connecting sliding seat 3, parallel cutters 4 and inclined cutters 5, wherein the number of the guide track frame 1 is two and symmetrically distributed at the upper end and the lower end of a wall body, a hollow shell structure in the guide track frame 1 is provided, guide sliding grooves are formed in opposite sides of the two guide track frames 1, a T-shaped guide moving block 2 is slidably arranged in the guide track frame 1, one end of the guide moving block 2 is slidably arranged in the guide sliding grooves and connected with the connecting sliding seat 3, the connecting sliding seat 3 is slidably arranged at the opposite side of the guide track frame 1, the inclined cutters 5 and the parallel cutters 4 which are distributed left and right are sequentially connected between the two connecting sliding seats 3, and the left sides of the inclined cutters 5 are inclined towards the wall body, and the parallel cutters 4 are parallel to the wall surface of the wall body; wherein: the guide track frame 1 in install the guide lead screw 11 through the bearing, guide lead screw 11 and direction movable block 2 threaded connection, the left end of guide lead screw 11 runs through guide track frame 1 and its tip is installed through the spline and is transmitted sprocket 12, two transmission sprocket 12 are connected through chain 13, one of them guide lead screw 11 one end is connected with outside driving motor.

When the defrosting of the wall face of the wall body of the refrigeration house is needed, under the driving of an external driving motor, the two guide screw rods 11 synchronously and in the same direction rotate through the driving chain wheel 12 and the chain 13, and then the connecting sliding seat 3 moves along the length direction of the guide track frame 1 through the guide moving block 2, so that the parallel cutter 4 performs primary defrosting on the wall face firstly, then the inclined shovel blade 5 is used for shoveling ice cakes formed on the wall face, excessive frost on the wall face is prevented from being condensed, the external refrigeration system is used for refrigerating the interior of the refrigeration house, and after the defrosting of the wall face is completed, the parallel cutter 4 and the inclined shovel blade 5 return to the initial position.

Referring to fig. 4, 6 and 8, the parallel cutter 4 is provided with a plurality of ice breaking points 41 which are uniformly distributed from top to bottom towards the left end of one side of the wall body, the ice breaking points 41 are of a half rectangular pyramid structure, the ice breaking points 41 are horizontally placed, the tips of the ice breaking points are contacted with the right side of the horizontal cutter, the side wall edges of the ice breaking points 41 are opposite to the wall body, a plurality of steel wires 42 which are uniformly distributed along the length direction of the edges of the ice breaking points 41 are connected between two adjacent ice breaking points 41, the left side of the parallel cutter 4 is uniformly provided with a plurality of through holes from top to bottom, and the through holes and the ice breaking points 41 are vertically staggered; when the parallel cutters 4 defrost the wall, the icebreaking tips 41 of the semi-rectangular pyramid structure on the wall are used for removing ice cubes condensed on the wall, the icebreaking function can be realized by using the side wall edges of the icebreaking tips 41, meanwhile, the ice cubes on the wall can be removed by the steel wires 42 arranged between the two adjacent icebreaking tips 41, the defrosting efficiency of the wall is further improved, and then the frost on the wall is removed by the inclined cutters 5.

Referring to fig. 8, the upper and lower ends of the inclined shovel blade 5 are connected with a rotating shaft 51, a torsion spring 52 is installed on the rotating shaft 51, the inclined shovel blade 5 is rotatably installed on the connecting sliding seat 3 through the rotating shaft 51, one end of the torsion spring 52 is connected to the connecting sliding seat 3, and the inclined shovel blade 5 can have a rotating force towards a wall body through the torsion spring 52, so that the blade of the inclined shovel blade 5 can be clung to the wall surface, and a better defrosting effect is achieved.

Referring to fig. 2, 4 and 5, a side of the parallel cutter 4 away from the wall is provided with a vertically placed striker plate 81, the right side of the striker plate 81 is provided with an arc-shaped surface structure facing the wall, and the upper end and the lower end of the striker plate 81 are both fixed with two connecting sliding seats 3 through connecting rods 82; a vertical side plate 83 is connected between the left sides of the two guide track frames 1, a protective shell 84 is arranged on the left side of the vertical side plate 83, the chain 13 and the driving chain wheel 12 are positioned in the protective shell 84, shielding plates 85 are arranged on the right sides of the upper end and the lower end of the vertical side plate 83, the shielding plates 85 are fixed at the front end of the guide track frames 1, and the upper end and the lower end of the material blocking plates 81 are respectively in sliding fit with the two shielding plates 85; the front end of the baffle plate 81 is slidably provided with a closed arc plate 86, the closed arc plate 86 is slidably matched with the arc surface structure of the baffle plate 81, a plurality of arc grooves 811 are uniformly formed in the arc surface structure of the baffle plate 81 from top to bottom towards one side of the closed arc plate 86, guide sliding blocks 812 which are slidably matched with the arc grooves 811 are arranged on the closed arc plate 86, elastic pull ropes 813 are connected between the guide sliding blocks 812 and the left side walls of the arc grooves 811, limit rods 814 are arranged on the right side of the baffle plate 85, and matching rods 815 matched with the limit rods 814 are connected to the upper end and the lower end of the closed arc plate 86.

During concrete work, can block through striker plate 81 that the frost that strikes off on the wall splashes subaerial, lead to the frost to fall into frost ice collection frame 6 of below smoothly, set up the striker plate 81 right side into the arcwall face structure so that seal curved plate 86 can rotate above that, after accomplishing defrosting on the wall body, parallel cutter 4 and slope spiller 5 remove so that it gets back to initial position to the left, cooperation pole 815 on seal curved plate 86 can contradict with spacing rod 814 on baffle 85 in the in-process that removes, thereby make seal curved plate 86 rotate to the right along the arcwall face structure of striker plate 81, thereby seal the right side of parallel cutter 4 and shelter from, this in-process direction slider 812 can slide and elastic pull rope 813 can be in tensile state in arc groove 811, after parallel cutter 4 and slope spiller 5 return to initial position, through vertical curb plate 83, two baffle 85, striker plate 81 and seal curved plate 86 cooperate can cover parallel cutter 4 and slope spiller 5, prevent that parallel cutter 4 and slope from shelter from on the in-process and slope spiller 5 from condensing 3 when need to drive the slope cutter 3 and make parallel cutter 3 and seal curved cutter 3 and then close the slope to make parallel cutter 3 and seal the draw force that the side of the frost cutter to the side to the slope to the side of the 3, and then seal the side of the frost cutter to the side to the smooth effect of the slope cutter is not to be contacted with the side of the baffle plate 814.

Referring to fig. 1, 3, 6 and 9, a frost ice collecting frame 6 is arranged below the guide rail frame 1 at the lower end of the wall body, an inclined plane convenient for collection is arranged at the left side inside the frost ice collecting frame 6, a converging and discharging frame 7 is communicated at the right side of the frost ice collecting frame 6, the converging and discharging frame 7 is fixed on the wall body, a rotating shaft 64 is arranged in the frost ice collecting frame 6, the left end and the right end of the rotating shaft 64 are respectively arranged at the left side of the frost ice collecting frame 6 and the right side of the converging and discharging frame 7 through bearings, spiral conveying blades 65 are arranged on the rotating shaft 64, and the rotating shaft 64 is connected with the existing drive; the bottom of the converging and discharging frame 7 is provided with heating wires, and the bottom of the converging and discharging frame 7 is communicated with an external drainage pipeline. When the defrosting device works specifically, when defrosting is to be carried out on a wall surface through the parallel cutter 4 and the inclined shovel blade 5, the rotating shaft 64 is driven to rotate through the existing drive, the spiral conveying blades 65 rotate synchronously, when frost shoveled by the parallel cutter 4 and the inclined shovel blade 5 falls into the frost ice collecting frame 6 below, the frost can be conveyed to the right converging discharge frame 7 through the spiral conveying blades 65, the shoveled frost can be prevented from directly falling onto the ground, the heating wires at the bottom of the converging discharge frame 7 are electrified and heated, and the frost in the converging discharge frame 7 can be heated to be formed into water, and then discharged through an external drain pipe.

Referring to fig. 1, 3, 6 and 9, the right end of the frost ice collecting frame 6 is hinged with an arc-shaped rotating plate 61, the arc-shaped rotating plate 61 is hinged with the output end of a hydraulic cylinder 62, the fixed end of the hydraulic cylinder 62 is hinged on the outer side wall of the frost ice collecting frame 6, a protective shell 63 is arranged outside the hydraulic cylinder 62, and the protective shell 63 is mounted on the outer wall of the frost ice collecting frame 6. During specific work, the arc-shaped rotating plate 61 is driven to rotate by the hydraulic cylinder 62 before the spiral conveying blades 65 in the frost and ice collecting frame 6 are started, and then the upper end of the frost and ice collecting frame 6 is opened, so that scraped frost smoothly falls into the frost and ice collecting frame 6, and meanwhile, the opened arc-shaped rotating plate 61 and the wall face form an upward-opening included angle, so that the frost can be prevented from falling into the ground, and the frost and ice cannot accurately fall into the frost and ice collecting frame 6.

Referring to fig. 4, 6 and 7, an inclined surface is disposed on the right side of the connecting sliding seat 3 and on the side far away from the guiding track frame 1, and an inclined surface is also disposed on the side of the connecting sliding seat 3 far away from the guiding track frame 1 and on the side facing the wall; the frost on the side of the guide rail frame 1 facing the parallel cutter 4 can be easily scraped off, and the influence of the movement of the connecting slide 3 and the guide moving block 2 due to the condensation of the frost thereon for a long time can be prevented.

Referring to fig. 6, the bottom of the guiding rail frame 1 at the lower end of the wall body is provided with a through hole 14 communicated with the inside of the guiding rail frame 1, when frost on the wall body is scraped off, the frost can drop downwards, a part of the frost can drop into the upper end face of the guiding rail frame 1 at the lower end of the wall body, and meanwhile, the frost can drop into the guiding rail frame 1 through a guiding chute on the upper end of the wall body, and the frost in the guiding rail frame can drop downwards through the through hole 14 at the lower end of the guiding rail frame 1 and cannot be accumulated in the guiding rail frame 1 at the lower end of the wall body.

The invention comprises the following steps in working: the first step: when the wall surface of the wall body of the refrigeration house is required to be defrosted, under the drive of an external driving motor, the two guide screw rods 11 are synchronously rotated in the same direction by utilizing the cooperation of the driving chain wheel 12 and the chain 13, and then the connecting sliding seat 3 moves along the length direction of the guide track frame 1 through the guide moving block 2, so that the parallel cutter 4, the icebreaking tip 41, the steel wire 42 and the inclined shovel blade 5 can defrost the wall surface.

And a second step of: when defrosting the wall body is started, the rotating shaft 64 drives the spiral conveying blades 65 to synchronously rotate through the existing driving, meanwhile, the arc-shaped rotating plate 61 rotates through the hydraulic cylinder 62, and then the frost ice collecting frame 6 is opened, so that frost scraped off by the parallel cutter 4, the icebreaking tip 41, the steel wire 42 and the inclined shovel blade 5 on the wall smoothly falls into the frost ice collecting frame 6, the frost is conveyed into the converging and discharging frame 7 under the action of the spiral conveying blades 65, then the frost is heated into water through the heating wire, and finally the water is discharged through an external drain pipe.

And a third step of: after defrosting of the wall is completed, the external driving motor is reversely installed, so that the parallel cutter 4 and the inclined shovel blade 5 return to the initial positions, and meanwhile, the parallel cutter 4 and the inclined shovel blade 5 are closed and shielded and covered by the cooperation of the vertical side plate 83, the two shielding plates 85, the material blocking plate 81 and the closed arc plate 86.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. The utility model provides an automatic defroster of freezer, includes guide track frame (1), direction movable block (2), connects slide (3), parallel cutter (4) and slope spiller (5), its characterized in that: the number of the guide track frames (1) is two, the guide track frames are symmetrically distributed at the upper end and the lower end of the wall body, the guide track frames (1) are of an inner hollow shell structure, guide sliding grooves are formed in the opposite sides of the two guide track frames (1), T-shaped guide moving blocks (2) are arranged in the guide track frames (1) in a sliding mode, one ends of the guide moving blocks (2) are arranged in the guide sliding grooves in a sliding mode and are connected with connecting sliding seats (3), the connecting sliding seats (3) are arranged on the opposite sides of the guide track frames (1) in a sliding mode, inclined shovel blades (5) and parallel cutters (4) which are distributed left and right are sequentially connected between the two connecting sliding seats (3), the left sides of the inclined shovel blades (5) incline towards the wall body, and the parallel cutters (4) are parallel to the wall surface of the wall body; wherein:

a guide screw rod (11) is arranged in the guide track frame (1) through a bearing, the guide screw rod (11) is in threaded connection with the guide moving block (2), the left end of the guide screw rod (11) penetrates through the guide track frame (1), the end part of the guide screw rod is provided with a transmission chain wheel (12) through a spline, the two transmission chain wheels (12) are connected through a chain (13), and one end of one guide screw rod (11) is connected with an external driving motor;

the parallel cutting knife (4) is provided with a plurality of ice breaking tips (41) which are uniformly distributed from top to bottom towards the left end of one side of the wall body, the ice breaking tips (41) are of a half rectangular pyramid structure, the ice breaking tips (41) are horizontally arranged and the tips of the ice breaking tips are contacted with the right side of the horizontal cutting knife, the side wall edges of the ice breaking tips (41) are opposite to the wall body, a plurality of steel wires (42) which are uniformly distributed along the length direction of the edges of the ice breaking tips (41) are connected between two adjacent ice breaking tips (41), a plurality of through holes are uniformly formed in the left side of the parallel cutting knife (4) from top to bottom, and the through holes and the ice breaking tips (41) are vertically staggered;

be located the wall body lower extreme the below of guide rail frame (1) is provided with frost ice and collects frame (6), the inside left side of frame (6) is collected to frost ice is provided with the inclined plane of being convenient for collect, frame (6) right side intercommunication is collected to frost ice has to assemble and discharges frame (7), and assemble and discharge frame (7) and fix on the wall body, be provided with axis of rotation (64) in frame (6) is collected to frost ice, both ends are all installed respectively in frame (6) left side and assemble and discharge frame (7) right side are collected to frost ice through the bearing about axis of rotation (64), install screw conveyer blade (65) on axis of rotation (64), axis of rotation (64) are connected with current drive.

2. The automatic defrosting apparatus for a refrigerator according to claim 1, wherein: the side that wall body was kept away from to parallel cutter (4) be provided with striker plate (81) of vertical placing, striker plate (81) right side sets up to the arcwall face structure towards the wall body, both ends are all fixed mutually with two connection slide (3) through connecting rod (82) about striker plate (81).

3. The automatic defrosting apparatus for a refrigerator according to claim 2, wherein: two be connected with vertical curb plate (83) between guide rail frame (1) left side, and install protective housing (84) in vertical curb plate (83) left side, chain (13) and drive sprocket (12) are located protective housing (84), both ends right side is provided with shielding plate (85) about vertical curb plate (83), and shielding plate (85) are fixed at guide rail frame (1) front end, both ends respectively with two shielding plates (85) sliding fit about striker plate (81).

4. An automatic defrosting apparatus for a refrigerator according to claim 3, wherein: the utility model discloses a striker plate (81) front end slip be provided with and seal arc (86), seal arc (86) and the arcwall face structure sliding fit of striker plate (81), a plurality of arc grooves (811) have evenly been seted up down from last to one side towards sealing arc (86) on the arcwall face structure of striker plate (81), be provided with on sealing arc (86) with arc groove (811) sliding fit's guide slider (812), be connected with elasticity stay cord (813) between guide slider (812) and arc groove (811) left side wall, baffle (85) right side is provided with gag lever post (814), both ends all are connected with gag lever post (814) complex cooperation pole (815) about sealing arc (86).

5. The automatic defrosting apparatus for a refrigerator according to claim 1, wherein: the frost ice collecting frame is characterized in that an arc-shaped rotating plate (61) is hinged to the right end of the frost ice collecting frame (6), the arc-shaped rotating plate (61) is hinged to the output end of a hydraulic cylinder (62), the fixed end of the hydraulic cylinder (62) is hinged to the outer side wall of the frost ice collecting frame (6), a protective shell (63) is arranged outside the hydraulic cylinder (62), and the protective shell (63) is arranged on the outer wall of the frost ice collecting frame (6).

6. The automatic defrosting apparatus for a refrigerator according to claim 1, wherein: the bottom of the converging and discharging frame (7) is provided with heating wires, and the bottom of the converging and discharging frame (7) is communicated with an external drainage pipeline.

7. The automatic defrosting apparatus for a refrigerator according to claim 1, wherein: the right side of the connecting sliding seat (3) and one side far away from the guide track frame (1) are provided with inclined planes, and one side of the connecting sliding seat (3) far away from the guide track frame (1) and one side facing the wall body are also provided with inclined planes.

8. The automatic defrosting apparatus for a refrigerator according to claim 1, wherein: the bottom of the guide track frame (1) positioned at the lower end of the wall body is provided with a through hole (14) communicated with the inside of the guide track frame.

9. The automatic defrosting apparatus for a refrigerator according to claim 1, wherein: the upper end and the lower end of the inclined shovel blade (5) are both connected with rotating shafts (51), torsion springs (52) are arranged on the rotating shafts (51), the inclined shovel blade (5) is rotatably arranged on the connecting sliding seat (3) through the rotating shafts (51), and one ends of the torsion springs (52) are connected to the connecting sliding seat (3).