CN109264254A

CN109264254A - One kind is recycled used batteries equipment

Info

Publication number: CN109264254A
Application number: CN201811040728.1A
Authority: CN
Inventors: 丁柳朋
Original assignee: Individual
Current assignee: Guizhou Xinmao New Energy Technology Co ltd
Priority date: 2018-09-07
Filing date: 2018-09-07
Publication date: 2019-01-25
Anticipated expiration: 2038-09-07
Also published as: CN109264254B

Abstract

It recycles used batteries equipment the invention discloses one kind, the heating bucket including treatment box, in the treatment box, the breaker roll below the heating bucket and the grinding device below the breaker roll；Partition is equipped in the treatment box, the treatment box is separated into upper chamber and lower chambers by the partition, and the heating bucket is set in the upper chamber, and the breaker roll and the grinding device are set to the bottom chamber；Feed inlet is equipped at the top of the treatment box, the feed inlet is equipped with sealing cover, and the feed inlet is set to above the heating bucket；The heating bucket side is equipped with collecting box, and mounting blocks are equipped with above the collecting box, and the mounting blocks are equipped with gas collecting tube, and the gas collecting tube is equipped with condensation；The partition is equipped with the actuator for driving the heating bucket to rotate；The heating bucket bottom is equipped with lifting platform.

Description

One kind is recycled used batteries equipment

Technical field

The invention belongs to waste recovery equipment technical field, recycle used batteries equipment more particularly, to one kind.

Background technique

In the modern life, people's lives level is higher and higher, and environmental protection consciousness is also increasingly stronger.Due to refuse battery pair Soil and water resource can all cause serious harm, and extensive concern has been obtained in the recycling of old and useless battery.To exhaust gas When nickel-cadmium cell is recycled, so that mercury in refuse battery is reached boiling point refuse battery heating, mercury is collected, will then be remained Remaining battery carries out crushing grinding processing, recycles to remaining substance.It usually needs to use multiple equipment in heating and grinding Carry out coordinated, influences efficiency of recycling used batteries, increase the occupied space of equipment.

Summary of the invention

The present invention for overcome the deficiencies in the prior art, provides a kind of raising recycling used batteries for efficiency of recycling used batteries and sets It is standby.

To achieve the goals above, the equipment the invention adopts the following technical scheme: one kind is recycled used batteries, including processing Case heats bucket, the breaker roll below the heating bucket and below the breaker roll in the treatment box Grinding device；Partition is equipped in the treatment box, the treatment box is separated into upper chamber and lower chambers by the partition, described to add Hot bucket is set in the upper chamber, and the breaker roll and the grinding device are set to the bottom chamber；At the top of the treatment box Equipped with feed inlet, the feed inlet is equipped with sealing cover, and the feed inlet is set to above the heating bucket；The heating bucket side Equipped with collecting box, mounting blocks are equipped with above the collecting box, the mounting blocks are equipped with gas collecting tube, and the gas collecting tube is equipped with cold Solidifying component；The partition is equipped with the actuator for driving the heating bucket to rotate；The heating bucket bottom is equipped with lifting platform； It by the heating to battery and grinds in an equipment, reduces equipment occupation space, convenient for installing and using for equipment；Battery exists Be heat treatment rear pain collecting box in heating bucket mercury be collected, make under the action of lifting platform battery fall to breaker roll and At grinding device, battery is ground, promotes the recovery efficiency of refuse battery, make refuse battery quickly finish mercury recycling and Milled processed.

Preferably, being equipped with heat block in the heating bucket inner wall, the heating bucket inner wall is equipped with heat-conducting plate, described to lead Hot plate is in contact with the heat block；The heating barrel side wall is equipped with drive block, and the actuator is on the partition Driving motor, the driving wheel with drive block transmission cooperation is arranged in the driving motor output shaft；By heating bucket On heat block heat effect is risen to the battery in heating bucket, make mercury is heated to reach boiling point and be evaporated；Pass through driving motor Effect rotates heating bucket during heating, is uniformly heated the battery heated in bucket, and it is right to promote heating bucket The heating effect of battery makes the mercury in battery be rapidly achieved boiling point convenient for being collected to mercury.

Preferably, the heating bucket inner wall is equipped with the first limiting slot, the partition is equipped with and first limit The gag lever post that slot matches, the gag lever post are equipped with multiple balls；By the cooperation of the first limiting slot and gag lever post, to heating Bucket plays position-limiting action, makes to heat and rotate by more stable under the action of driving motor；Reduce gag lever post by ball With the frictional force of the first limiting slot, heating bucket is taken to convenient for driving motor and is rotated, reduce mercury and reach boiling point required time, increase Add efficiency of recycling used batteries.

Preferably, the collecting box bottom is equipped with support plate, the support plate is fixed on the treatment box side wall；Institute Support plate is stated equipped with limited block, the collecting box bottom is equipped with the second limiting slot matched with the limited block；It is described to set Standby case side wall is equipped with discharge port；Mercury in refuse battery, which reaches boiling point, becomes mercuryvapour, is received by gas collecting tube to mercury vapour Collection, make mercury vapour be condensed in gas collecting tube component it is cooling after fall in collecting box, convenient for being recycled to mercury, improve It recycles used batteries effect.

Preferably, being equipped with cooling bay at the top of the treatment box, the condensation includes being set around on the gas collecting tube Condenser pipe, the inlet tube being connected with described condenser pipe one end and the outlet tube being connected with the condenser pipe other end, it is described into Liquid pipe and the outlet tube are connected with the cooling bay respectively；Cooling bay provides coolant liquid for condenser pipe, makes cold in condenser pipe But liquid is recycled, and reduces the consumption of coolant liquid；Condenser pipe is set around on gas collecting tube and increases contact of the coolant liquid with mercury vapour Area promotes coolant liquid to the cooling effect of mercury vapour, so that mercury is cooled fast to room temperature and be collected in collecting box, convenient for mercury Carry out unified collection.

Preferably, the inlet tube is connected with the cooling bottom of pond portion, the outlet tube and phase at the top of the cooling bay Even, the outlet tube is equipped with water pump；The treatment box side is equipped with the air pump matched with the gas collecting tube；Pass through water pump Effect makes the coolant liquid in condenser pipe play the role of circulating, and coolant liquid is made to be back to cooling bay after playing cooling effect It is interior, the coolant liquid in condenser pipe is cooled down by the coolant liquid in cooling bay, makes what coolant liquid continued to possess cooling effect, Increase coolant liquid to the cooling effect of mercury vapour；Mercury vapour is entered preferably in gas collecting tube by air pump, is convenient for gas collecting tube Mercury vapour is collected.

Preferably, the lifting platform two sides are equipped with movable chamber, Packing spring, the sealing bullet are equipped in the movable chamber Spring one end is equipped with motion bar, and the motion bar is equipped with sealing block；When lifting platform and partition are in a plane, lifting platform insertion Into partition, sealing block is in contact with partition inner wall plays sealing effect to the junction of partition and lifting platform, makes to heat shape in bucket At preferable heat insulation effect, it is rapidly achieved the boiling point of mercury, convenient for temperature internal in heating bucket convenient for being collected to mercury.

Preferably, the sealing block bottom is equipped with convex block, the lifting platform, which is equipped with, matches groove with the convex block； The movable chamber side wall is equipped with first sliding groove, and the motion bar is equipped with the first sliding block matched with the first sliding groove； By the cooperation of convex block and groove, increase the sealing effect of sealing block and lifting platform, make sealing block preferably with partition inner wall and Lifting platform forms cooperation；By the cooperation of the first sliding block and first sliding groove, keep motion bar more stable along movable cavity wall into Row movement, avoids motion bar from deviating from out of movable chamber, extends service life of equipment.

Preferably, the partition bottom is equipped with mounting plate, cylinder, the piston rod of the cylinder are equipped in the mounting plate It is equipped with push plate, the push plate is fixed on the lifting platform bottom；The cylinder two sides are respectively equipped with blanking hole；Cylinder is for controlling The elevating movement of lifting platform processed enables lifting platform is stable to move up and down；When lifting platform rises in the presence of cylinder, Battery in heating bucket is fallen down by the gap of lifting platform and partition to blanking hole, falls to breaker roll via blanking hole On grinding device, crushing grinding processing is carried out to battery, makes the crushing grinding of battery and the quick Byway of heating process one It rises, improves the recovery efficiency to refuse battery.

Preferably, the grinding device includes the mounting base being equipped on the treatment box side wall, is set to the mounting base On connecting spring, the abrasive sheet that is fixedly connected with the connecting spring and the pushing block set on the treatment box bottom, the pushing block It is equipped with the abrasive wheel matched with the abrasive sheet；By the cooperation of abrasive wheel and abrasive sheet, make battery in abrasive wheel Rotation under be ground processing, promote milling apparatus to the grinding effect of battery；Abrasive sheet is attached by connecting spring, Make abrasive sheet compressible connecting spring a distance after being squeezed, increases contact effect of the abrasive sheet with battery, promote electricity Pond grinding effect.

The invention has the following advantages that by the heating to battery and grinding in an equipment, reduces equipment and occupy sky Between, convenient for installing and using for equipment；Pain collecting box is collected mercury after battery is heat treatment in heating bucket, in lifting platform Under the action of fall to battery at breaker roll and grinding device, battery is ground, promoted refuse battery recycling effect Rate makes refuse battery quickly finish mercury recycling and milled processed.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is enlarged drawing at the A in Fig. 1.

Fig. 3 is the structural schematic diagram of lifting platform of the present invention.

Specific embodiment

In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work It encloses.

The equipment as shown in Figure 1-3, one kind is recycled used batteries, including treatment box 1, the heating bucket in the treatment box 1 2, the grinding device set on the breaker roll 15 of 2 lower section of heating bucket and set on 15 lower section of breaker roll；Breaker roll can be rotated It is connected on treatment box side wall, is equipped with partition 5 in the treatment box 1, the treatment box 1 is separated into upper chamber by the partition 5 16 and lower chambers 14, the heating bucket 2 is set in the upper chamber 16, and the breaker roll 15 and the grinding device are set to described In lower chambers 14；At the top of the treatment box 1 be equipped with feed inlet 11, the feed inlet 11 be equipped with sealing cover 111, sealing cover with into Material mouth is attached by screw thread；The feed inlet 11 is set to 2 top of heating bucket；2 side of heating bucket, which is equipped with, collects Case 42 is equipped with mounting blocks 32 above the collecting box 42, and mounting blocks are fixed on equipment box top surface, and the mounting blocks 32 are equipped with Gas collecting tube 33, gas collecting tube are set to inside mounting blocks, and gas collecting tube is set at the upper side of heating bucket, convenient for the mercury vapour in heating bucket It is collected processing, the gas collecting tube 33 is equipped with condensation；The partition 5 is equipped with for driving described 2 turns of heating bucket Dynamic actuator；2 bottom of heating bucket is equipped with lifting platform 53；Refuse battery is put into heating bucket after being collected from feed inlet, Refuse battery is heated by heating bucket, refuse battery is made to be heated to the boiling point of mercury, the mercury in refuse battery be evaporated to mercury vapour from It is volatilized in heating bucket, enters in gas collecting tube and mercury vapour is collected, mercury vapour is in gas collecting tube by the work of condensation With room temperature is cooled to, so that mercury vapour is become liquid mercury and be flowed into collecting box along gas collecting tube, mercury is received by collecting box Collection, convenient for being recycled to refuse battery；The refuse battery remained in heating bucket falls to broken under the action of lifting platform At roller and grinding device, battery is clayed into power into shape convenient for recycling to other substances in battery；By the heating to battery It is set in an equipment with grinding, reduces equipment occupation space, convenient for installing and using for equipment, promote the recycling effect of refuse battery Rate.

Heat block 21 is equipped in 2 inner wall of heating bucket, 2 inner wall of heating bucket is equipped with heat-conducting plate 22, described thermally conductive Plate 22 is in contact with the heat block 21；Heat-conducting plate can be metal oxide, and the heat of heat block is made preferably to pass to heating Refuse battery in bucket；2 side wall of heating bucket is equipped with drive block 23, and the actuator is the driving on the partition 5 Motor 52 is arranged with the driving wheel 521 with the drive block 23 transmission cooperation on the output shaft of the driving motor 52；Drive block It is equipped with driving groove, driving wheel and driving groove transmission cooperate, and driving wheel is embedded in driving groove, forms stable cooperation with driving groove； When refuse battery is when heating in bucket, heat block is rotated to heating work, driving motor driving driving wheel is carried out in heating bucket, Heating bucket is rotated under the action of driving wheel, is heated evenly the battery heated in bucket, is increased to battery temperature quickly Mercury boiling point promotes efficiency of recycling used batteries.

2 inner wall of heating bucket is equipped with the first limiting slot 24, and the partition 5 is equipped with and 24 phase of the first limiting slot The gag lever post 51 of cooperation, the gag lever post 51 are equipped with multiple balls 511；Heating bucket be placed on partition, heating bucket with every Plate is to be detachably connected, and when heating bucket is assembled on partition, gag lever post is inserted into the first limiting slot, and the first limiting slot is ring Shape structure plays position-limiting action to heating bucket by the cooperation of the first limiting slot and gag lever post, shake heating bucket can not；Pass through rolling Pearl reduces the frictional force of gag lever post and the first limiting slot inner wall, and heating bucket is made to be easier to be rotated under the action of driving motor, Promote the stability of heating bucket rotation.

42 bottom of collecting box is equipped with support plate 41, and the support plate 41 is fixed on 42 side wall for the treatment of box；Institute Support plate 41 is stated equipped with limited block 411,42 bottom of collecting box is equipped with the second limit matched with the limited block 411 Slot；1 side wall for the treatment of box is equipped with discharge port 12；Discharge port is set to collecting box side, and discharge port is handled for collecting box disengaging Case, it is convenient that mercury in collecting box is collected；Limited block is truncated cone-shaped structure, and the second limiting slot and limit are block-shaped opposite, By the truncated cone-shaped structure of limited block, skidded off from limited block convenient for collecting box along limited block side wall, consequently facilitating by mercury from It is taken out in equipment box.

At the top of the treatment box 1 be equipped with cooling bay 31, the condensation include be set around it is cold on the gas collecting tube 33 Solidifying pipe 34, the inlet tube 35 being connected with described 34 one end of condenser pipe and the outlet tube 36 being connected with 34 other end of condenser pipe, The inlet tube 35 and the outlet tube 36 are connected with the cooling bay 31 respectively；Cooling bay is provided with coolant, and coolant can For light-water or heavy water or other liquid with cooling effect；The inlet tube 35 is connected with 31 bottom of cooling bay, described It is connected at the top of outlet tube 36 and the cooling bay 31, the outlet tube 36 is equipped with water pump 361；1 side for the treatment of box is equipped with The air pump 13 matched with the gas collecting tube 33, appendix and treatment box phase pain, the air pump appendix face gas collecting tube of air pump.

When heating the battery heating in bucket and reaching the boiling point of mercury, mercury starts to be rapidly evaporated to mercury vapour, and mercury vapour is from adding It drifts out in hot bucket, mercury vapour is blown into gas collecting tube by the effect of air pump, pump working makes the cooling in condenser pipe Agent starts the cycle over flowing, and the coolant in cooling bay enters in inlet tube under gravity, the freezing machine in outlet tube It flows back under the action of water pump into cooling bay, so that the coolant in condenser pipe is in room temperature shape always by the flowing of coolant State, mercury vapour, which is cooled to room temperature, makes mercury form liquid condition, and liquid mercury falls under the action of gravity and air-flow along gas collecting tube It falls in collecting box, is collected case and collects convenient for concentrating mercury.

Partition is equipped with through-hole, and lifting platform is set in through-hole and blocks through-hole；53 two sides of lifting platform are equipped with movable chamber 531, the movable chamber 531 is interior to be equipped with Packing spring 5311, and described 5311 one end of Packing spring is equipped with motion bar 534, the work Lever 534 is equipped with sealing block 535；535 bottom of sealing block is arc-shaped structure, and heating bucket bottom sidewall is arc-shaped structure, Sealing block bottom is matched with heating bucket bottom；Heating bucket bottom surface is partition；535 bottom of sealing block is equipped with convex block 5351, the lifting platform 53, which is equipped with, matches groove 536 with the convex block 5351；Convex block is made of elastic material, by convex The cooperation of block and groove increases the contact area of sealing block and lifting platform, promotes the sealing effect of lifting platform and sealing block；It is described 531 side wall of movable chamber is equipped with first sliding groove 532, and the motion bar 534 is equipped with the matched with the first sliding groove 532 One sliding block 5341；By the cooperation of the first sliding block and first sliding groove, keeps motion bar more stable and transported along movable cavity wall It is dynamic, it avoids motion bar from deviating from out of movable chamber, extends service life of equipment.

5 bottom of partition is equipped with mounting plate 6, is equipped with cylinder 62 in the mounting plate 6, on the piston rod of the cylinder 62 Equipped with push plate 621, the push plate 621 is fixed on 53 bottom of lifting platform；62 two sides of cylinder are respectively equipped with blanking hole 61, Blanking hole is set to below the junction of lifting platform and bulkhead through-hole.

When battery is after heating completion heat treatment in bucket, mercury is cleaned out out of battery, and cylinder pushes piston rod up Movement, lifting platform rise in the presence of cylinder, lifting platform sealing block past lifting platform under the action of Packing spring after rise Two sides are stretched out, and the through-hole on partition is in the open state, and battery is fallen down from the through-hole on partition, is fallen to via feed opening Bottom chamber, breaker roll are set to below feed opening, and battery is directly fallen on breaker roll via blanking hole, by breaker roll to electricity Pond carries out tentatively broken, so that battery is fractured into fragment and is fallen at the grinding device of bottom and is ground；When battery is from adding After cleaning out in hot bucket, air cylinder driven piston rod is retracted, sealing block bottom and heating bucket bottom phase when lifting platform moves down Contact is matched with the globoidal structure of heating bucket bottom by the globoidal structure of sealing block bottom, makes motion bar compression seal bullet Spring moves to movable chamber bottom, until lifting platform, which is moved to, be in same plane with partition, sealing block side in bulkhead through-hole Wall is in contact, barrel-shaped at sealing effect to heat.

The grinding device includes the mounting base 73 being equipped on 1 side wall for the treatment of box, in the mounting base 73 Connecting spring 74, the abrasive sheet 75 being fixedly connected with the connecting spring 74 and the pushing block 72 set on 1 bottom for the treatment of box, it is described Pushing block 72 is equipped with the abrasive wheel 722 matched with the abrasive sheet 75；Treatment box side is equipped with hydraulic cylinder 71, hydraulic cylinder Piston rod be fixedly connected with pushing block；Rotating electric machine 721 is equipped in pushing block, abrasive wheel is sheathed on the output shaft of rotating electric machine；It pushes away Block bottom is equipped with the second sliding block 723, and treatment box bottom is equipped with the second sliding slot 17 matched with the second sliding block, and the second sliding block is close Abrasive sheet side is set as incline structure, can by the incline structure of the second sliding block when the second sliding block is slided along second sliding slot Battery fragment in second sliding slot is shoveled out out of second sliding slot, battery fragment is avoided to play inhibition to the movement of pushing block.

After the battery fallen out of heating bucket is broken roller break process into fragment, falls in treatment box bottom, pass through liquid The effect of cylinder pressure pushes pushing block to move toward the direction of abrasive sheet, and pushing block is made to push fragment toward close on abrasive sheet, abrasive sheet with Fragment compresses connecting spring after being in contact, increase contact effect of the abrasive sheet with fragment；Rotating electric machine driving abrasive wheel is turned It is dynamic, so that fragment is ground into powder in the rotation of abrasive wheel；Abrasive wheel and abrasive sheet are when grinding fragment, hydraulic cylinder Slowly pushing block is pushed to be moved toward abrasive sheet direction, abrasive wheel and abrasive sheet is made to cooperate fragment when grinding to fragment Pressure is provided, grinding device is promoted to the grinding effect of battery fragment, keeps battery fragment powdered just by quickly grinding ingredient It is recycled in other substances in battery.

The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims

The equipment 1. one kind is recycled used batteries including treatment box (1), the heating bucket (2) being set in the treatment box (1), is set to institute The grinding device stating the breaker roll (15) below heating bucket (2) and being set to below the breaker roll (15)；In the treatment box (1) Equipped with partition (5), the treatment box (1) is separated into upper chamber (16) and lower chambers (14), the heating bucket by the partition (5) (2) it is set in the upper chamber (16), the breaker roll (15) and the grinding device are set in the lower chambers (14)；It is described Feed inlet (11) are equipped at the top for the treatment of box (1), the feed inlet (11) is equipped with sealing cover (111), and the feed inlet (11) sets Above the heating bucket (2)；It is characterized by: the heating bucket (2) side is equipped with collecting box (42), the collecting box (42) Top is equipped with mounting blocks (32), and the mounting blocks (32) are equipped with gas collecting tube (33), and the gas collecting tube (33) is equipped with condensation group Part；The partition (5) is equipped with the actuator for driving heating bucket (2) to rotate；The heating bucket (2) bottom, which is equipped with, to rise It drops platform (53).
The equipment 2. one kind described in accordance with the claim 1 is recycled used batteries, it is characterised in that: set in heating bucket (2) inner wall Have heat block (21), heating bucket (2) inner wall is equipped with heat-conducting plate (22), the heat-conducting plate (22) and the heat block (21) It is in contact；Heating bucket (2) side wall is equipped with drive block (23), and the actuator is the driving on the partition (5) Motor (52) is arranged with the driving wheel with the drive block (23) transmission cooperation on the output shaft of the driving motor (52) (521).
3. one kind is recycled used batteries equipment according to claim 2, it is characterised in that: set on heating bucket (2) inner wall Have the first limiting slot (24), the partition (5) is equipped with the gag lever post (51) matched with first limiting slot (24), described Gag lever post (51) is equipped with multiple balls (511).
The equipment 4. one kind described in accordance with the claim 1 is recycled used batteries, it is characterised in that: collecting box (42) bottom is equipped with Support plate (41), the support plate (41) are fixed on the treatment box (42) side wall；The support plate (41) is equipped with limit Block (411), collecting box (42) bottom are equipped with the second limiting slot matched with the limited block (411)；The treatment box (1) side wall is equipped with discharge port (12).
The equipment 5. one kind described in accordance with the claim 1 is recycled used batteries, it is characterised in that: be equipped at the top of the treatment box (1) Cooling bay (31), the condensation include the condenser pipe (34) being set around on the gas collecting tube (33) and the condenser pipe (34) outlet tube (36) one end connected inlet tube (35) and be connected with the condenser pipe (34) other end, the inlet tube (35) it is connected respectively with the cooling bay (31) with the outlet tube (36).
6. one kind is recycled used batteries equipment according to claim 5, it is characterised in that: the inlet tube (35) with it is described cold But pond (31) bottom is connected, and is connected at the top of the outlet tube (36) and the cooling bay (31), the outlet tube (36) is equipped with Water pump (361)；Treatment box (1) side is equipped with the air pump (13) matched with the gas collecting tube (33).
The equipment 7. one kind described in accordance with the claim 1 is recycled used batteries, it is characterised in that: lifting platform (53) two sides are equipped with Movable chamber (531), the movable chamber (531) is interior to be equipped with Packing spring (5311), and described Packing spring (5311) one end, which is equipped with, lives Lever (534), the motion bar (534) are equipped with sealing block (535).
8. one kind is recycled used batteries equipment according to claim 7, it is characterised in that: sealing block (535) bottom is set Have convex block (5351), the lifting platform (53), which is equipped with, matches groove (536) with the convex block (5351)；The movable chamber (531) side wall is equipped with first sliding groove (532), and the motion bar (534) is equipped with and matches with the first sliding groove (532) First sliding block (5341).
9. one kind is recycled used batteries equipment according to claim 8, it is characterised in that: partition (5) bottom is equipped with peace Loading board (6), the mounting plate (6) is interior to be equipped with cylinder (62), and the piston rod of the cylinder (62) is equipped with push plate (621), described Push plate (621) is fixed on the lifting platform (53) bottom；Cylinder (62) two sides are respectively equipped with blanking hole (61).
10. one kind is recycled used batteries equipment according to claim 7, it is characterised in that: the grinding device includes being equipped with Mounting base (73) on treatment box (1) side wall, the connecting spring (74) on the mounting base (73) and the connection Abrasive sheet (75) that spring (74) is fixedly connected with and the pushing block (72) for being set to the treatment box (1) bottom are set on the pushing block (72) There is the abrasive wheel (722) for being equipped with and matching with the abrasive sheet (75).