CN109513507B

CN109513507B - Glass crushing equipment convenient to maintain and used for recycling scraped car

Info

Publication number: CN109513507B
Application number: CN201811576299.XA
Authority: CN
Inventors: 李颖
Original assignee: Xinguang Recycling Shanghai Co ltd
Current assignee: XINGUANG RECYCLING (SHANGHAI) Co.,Ltd.
Priority date: 2018-12-22
Filing date: 2018-12-22
Publication date: 2020-09-25
Anticipated expiration: 2038-12-22
Also published as: CN109513507A

Abstract

The invention discloses glass crushing equipment convenient for maintenance and used in the recovery of scraped cars, which comprises a primary crushing box and a secondary crushing box, wherein the primary crushing box is provided with a crushing cavity, and the top of the crushing cavity is provided with a top cover; a crushing roller is arranged in the secondary crushing box, the crushing roller is arranged below the crushing cavity, a plurality of mounting cavities are formed in the inner wall of the primary crushing box, a first mounting plate is detachably connected in each mounting cavity, a feeding assembly is arranged on each first mounting plate, and each first mounting plate is detachably matched with the side wall of the primary crushing box; install the pay-off subassembly on first mounting panel, through the cooperation of dismantling of first mounting panel and preliminary treatment case, be convenient for take out the pay-off subassembly from the preliminary treatment incasement to convenient maintain the pay-off subassembly, avoid the long-term damage in using of pay-off subassembly, reduce equipment cost of maintenance.

Description

Glass crushing equipment convenient to maintain and used for recycling scraped car

Technical Field

The invention belongs to the technical field of scraped car recovery, and particularly relates to glass crushing equipment convenient for maintenance during scraped car recovery.

Background

The waste automobile glass recycling method comprises direct utilization and transformation utilization. The direct utilization means that the disassembled glass is qualified in quality inspection and can be directly used as an accessory for a vehicle model which is originally designed and manufactured. Transformation and utilization are recovery methods in which recovered glass is directly processed and converted into raw materials. The transformation is technically divided into two types, namely a heating mode and a non-heating mode. When the toughened glass of car door window is retrieved, need carry out broken handle to toughened glass, retrieve after smashing glass again, the current equipment to the kibbling equipment of glass damages easily after long-term the use, needs wholly demolish equipment in order to maintain equipment, has increased the equipment maintenance cost, and the maintenance process is complicated.

Disclosure of Invention

The invention provides the glass crushing equipment which is convenient to maintain and can reduce the maintenance cost and is used for recovering the scraped car, aiming at overcoming the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the glass crushing equipment convenient for the recovery of the scrapped automobile comprises a primary crushing box and a secondary crushing box, wherein a crushing cavity is arranged on the primary crushing box, and a top cover is arranged at the top of the crushing cavity; a crushing roller is arranged in the secondary crushing box, the crushing roller is arranged below the crushing cavity, a plurality of mounting cavities are formed in the inner wall of the primary crushing box, a first mounting plate is detachably connected in each mounting cavity, a feeding assembly is arranged on each first mounting plate, and each first mounting plate is detachably matched with the side wall of the primary crushing box; install the pay-off subassembly on first mounting panel, through the cooperation of dismantling of first mounting panel and preliminary treatment case, be convenient for take out the pay-off subassembly from the preliminary treatment incasement to convenient maintain the pay-off subassembly, avoid the long-term damage in using of pay-off subassembly, reduce equipment cost of maintenance.

Preferably, a first movable cavity is formed in the first mounting plate, a limiting spring is arranged in the first movable cavity, a limiting block is arranged at one end of the limiting spring, and a first limiting groove matched with the limiting block is formed in the side wall of the primary crushing box; through mutually supporting of stopper and first spacing groove, make first mounting panel and preliminary broken case form fixed cooperation, with the stable installation in the installation intracavity of pay-off subassembly, the pay-off subassembly of being convenient for is mutually supported with glass, improves glass crushing efficiency.

Preferably, a second movable cavity is arranged on one side of the first movable cavity, a first push rod penetrates through the second movable cavity, and one end of the first push rod penetrates through the first movable cavity and is fixedly connected with the top of the limiting block; a limiting plate is arranged on the first push rod and is arranged in the second movable cavity; through the effect of first push rod, for the stopper provides power, make the stopper can enter into first spacing inslot under the effect of first push rod, form the cooperation with first spacing groove to become fixed cooperation to mounting panel and preliminary broken box, with the stable installation in the mounting cavity of pay-off subassembly, increase equipment stability.

Preferably, a third movable cavity is arranged on the first mounting plate, a metal elastic sheet is arranged in the third movable cavity, and four sides of the metal elastic sheet are in contact with one end of the first push rod; a second push rod penetrates through the third movable cavity; through the mating reaction of second push rod and metal shrapnel, when the mounting panel becomes the cooperation with preliminary broken box, the second push rod pushes down metal shrapnel, makes metal shrapnel think to extend all around, promotes first push rod, and first push rod pushes away the stopper under metal shrapnel's effect and enters into first spacing inslot, plays fixed effect to the mounting panel to with stable the installing in the installation cavity of pay-off subassembly.

Preferably, a fixed block is arranged on one side of the mounting plate, a second limiting groove is formed in the top of the fixed block, a cavity is formed in the fixed block, a third limiting groove is formed in the top of the cavity, and a first through hole is formed in the bottom of the cavity; a pull rod penetrates through the second limiting groove, a limiting rod is arranged at the bottom of the pull rod, and the second push rod is fixedly connected to the bottom of the limiting rod; through mutually supporting of pull rod and spacing groove, make the pull rod promote the second push rod and play the control effect to metal shrapnel, conveniently control the stopper, be convenient for assemble the mounting panel in preliminary broken incasement or take out the mounting panel from preliminary broken incasement.

Preferably, the feeding assembly comprises a speed reducing wheel, a first driven wheel is arranged on one side of the speed reducing wheel, a second driven wheel is arranged on one side of the first driven wheel, the first driven wheel and the second driven wheel are respectively and fixedly connected with the first connecting shaft, a braking assembly is arranged between the first driven wheel and the second driven wheel, a braking plate is arranged below the braking assembly, and a second groove is formed in the braking plate; when the glass quality is too big down fast and drops, the gear reducer rotates fast under the effect with glass friction, through mutually supporting of braking plate and braking subassembly, plays the braking action to the gear reducer, makes the gear reducer unable rotate to prevent glass from dropping down, fix glass and play broken handle to glass through broken subassembly in broken intracavity, avoid glass directly from the preliminary treatment incasement directly not handling and directly drop to the secondary treatment incasement, increase glass crushing effect.

Preferably, the brake assembly comprises a brake block arranged between the first driven wheel and the second driven wheel, a second connecting shaft penetrating through the brake block, and a connecting spring arranged at one end of the brake block, the other end of the connecting spring is fixedly connected to the first connecting shaft, and a counterweight block is arranged at one end of the brake block; when glass drives the deceleration wheel and rotates fast, follow the driving wheel and rotate along with the deceleration wheel together, produce centrifugal force from the driving wheel in the fast turn, make the brake pads rotate round the second connecting axle, the balancing weight stretches out from between the driving wheel, mutually support with the second recess on the braking panel, play braking effect to following the driving wheel to make deceleration wheel stall, make glass drop to the secondary crushing incasement again after the preliminary treatment incasement is accomplished to the processing, promote glass crushing effect.

The invention has the following advantages: install the pay-off subassembly on first mounting panel, through the cooperation of dismantling of first mounting panel and preliminary treatment case, be convenient for take out the pay-off subassembly from the preliminary treatment incasement to convenient maintain the pay-off subassembly, avoid the long-term damage in using of pay-off subassembly, reduce equipment cost of maintenance.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a longitudinal sectional view of the present invention.

Fig. 3 is a transverse cross-sectional view of a preliminary crush box of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the feeding assembly of the present invention.

Fig. 6 is a schematic structural view of the brake assembly of the present invention.

Fig. 7 is a schematic structural view of the top cover of the present invention.

Fig. 8 is a schematic structural view of the movable slot of the present invention.

Fig. 9 is a schematic structural view of the fixing block of the present invention.

Fig. 10 is a cross-sectional view of the fixing block of the present invention.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-10, a glass crushing device convenient for maintenance when recycling scraped cars comprises a primary crushing box 1 and a secondary crushing box 2, wherein the secondary crushing box is fixedly connected to the bottom of the primary crushing box, the cross section of the secondary crushing box is larger than that of the primary crushing box, a crushing cavity 11 is arranged on the primary crushing box 1 and is communicated with the secondary crushing box, the cross section of the crushing cavity is of a rectangular structure, and single glass sheets are crushed in the crushing cavity; the top of the crushing cavity 11 is provided with a top cover 3; the secondary crushing box 2 is internally provided with crushing rollers 22, the crushing rollers 22 are arranged below the crushing cavity 11, a plurality of installation cavities 12 are formed in the inner wall of the primary crushing box 1, the installation cavities 12 are symmetrically distributed on the inner walls of two sides of the primary crushing box 1, four installation cavities are taken as an example, every two installation cavities are arranged oppositely, a first installation plate 5 is detachably connected in each installation cavity 12, a feeding assembly is arranged on each first installation plate 5, the first installation plates 5 are detachably matched with the side wall of the primary crushing box 1, and the feeding assembly can move along the inner wall of each installation cavity 12; putting glass into a crushing cavity from the top of a primary crushing box, fixing the glass through a feeding assembly, slowly putting the glass into the crushing cavity, performing primary crushing treatment on the glass in the crushing cavity, then dropping glass fragments into a secondary crushing box along the crushing cavity, and performing further crushing treatment on the glass fragments; when the glass is placed into the crushing cavity, the material pushing assemblies move along the inner wall of the mounting cavity, so that the distance between the two groups of opposite material pushing assemblies is adjusted, the glass is conveniently pushed, and the application range of the equipment is enlarged; install the pay-off subassembly on first mounting panel, through the cooperation of dismantling of first mounting panel and preliminary treatment case, be convenient for take out the pay-off subassembly from the preliminary treatment incasement to convenient maintain the pay-off subassembly, avoid the long-term damage in using of pay-off subassembly, reduce equipment cost of maintenance.

A fourth movable cavity 13 is further arranged on the side wall of the crushing cavity 11, a crushing assembly is arranged in the fourth movable cavity 13, and a first groove 14 matched with the crushing assembly is arranged on the side wall of the other side of the crushing cavity 13; the first groove is of an arc-shaped structure, so that the first groove is convenient to be matched with the crushing assembly; glass makes glass slowly down drop under the effect that pushes away the material subassembly after being put into broken intracavity, and broken subassembly plays crushing effect to glass, makes glass broken glass piece into at broken intracavity, and broken glass piece after the breakage down drops to the broken incasement of secondary along broken chamber under the effect of gravity, carries out further broken handle to the glass piece, reduces glass piece granule size, is convenient for carry out recovery processing to the glass after the breakage.

Sliding blocks 31 are arranged on two sides of the top cover 3, a movable groove 111 matched with the sliding blocks 31 is arranged on the inner wall of the crushing cavity 11, and a return spring 112 is arranged in the movable groove 111; the top cover 3 is movably connected with the primary crushing box 1; the movable groove is of an arc-shaped structure, the sliding block can slide along the inner wall of the movable groove, the movable connection is hinged, one end of the reset spring is fixedly connected to the bottom of the movable groove, when the reset spring is in the original length, the front end of the reset spring is positioned in the groove opening of the movable groove, the sliding block is supported, the top cover and the surface of the primary crushing box are in a horizontal state, the inner part of the crushing cavity is protected, and sundries are prevented from entering the crushing cavity and affecting parts in equipment; when packing into broken intracavity with glass, make glass push the top cap open under the effect of gravity, make the top cap rotate round the pin joint, make the slider slide along the movable groove, be convenient for pack into broken intracavity with glass, after glass entered into broken intracavity, the slider moved movable groove notch under reset spring's effect, make the top cap play sealed effect to broken chamber under reset spring's effect, the glass piece of avoiding glass to produce when broken intracavity splashes to the preliminary treatment chamber outside, avoid causing harm to operating personnel, increase equipment's security.

The feeding assembly comprises a speed reducing wheel 41 arranged in the installation cavity 12, a first connecting shaft 45 penetrating through the speed reducing wheel 41 and second installation plates 42 arranged at two ends of the first connecting shaft 45, and anti-skid pads 411 are arranged on the speed reducing wheel 41; the side wall of the second mounting plate is in contact with the inner wall of the mounting cavity, the anti-slip pad is made of rubber materials, the contact effect of the speed reducing wheel and the glass is improved through the anti-slip pad, and the friction force between the speed reducing wheel and the glass is increased; when the second mounting plate is arranged in the mounting cavity, one side of the speed reducing wheel is arranged outside the mounting cavity, and the distance between the two groups of opposite speed reducing wheels is smaller than the width of the crushing cavity, so that the glass entering the crushing cavity can be better fixed; the speed reducing wheel is fixedly connected with the first connecting shaft, and the first connecting shaft is rotatably connected to the second mounting plate; after glass entered into broken intracavity, glass both sides face contacted with the gear reducer respectively, drove the gear reducer and rotate under glass's action of gravity, played the deceleration through the frictional force of first connecting axle and second mounting panel to the gear reducer to feed back to glass and make glass slowly descend, the glass of being convenient for carries out preliminary broken handle in broken intracavity, improves glass crushing effect.

A first driven wheel 43 is arranged on one side of the reduction gear 41, a second driven wheel 44 is arranged on one side of the first driven wheel 43, the first driven wheel 43 and the second driven wheel 44 are respectively and fixedly connected with the first connecting shaft 45, a brake assembly is arranged between the first driven wheel 43 and the second driven wheel 44, a brake plate 46 is arranged below the brake assembly, and a second groove 461 is arranged on the brake plate 46; the side wall of the brake plate is fixedly connected to the second mounting plate, and the brake plate is placed on the bottom surface of the mounting cavity; the brake assembly comprises a brake block 47 arranged between the first driven wheel 43 and the second driven wheel 44, a second connecting shaft 472 arranged on the brake block 47 in a penetrating way, and a connecting spring 473 arranged at one end of the brake block 47, the brake block can rotate along the second connecting shaft, the other end of the connecting spring 473 is fixedly connected to the first connecting shaft 45, and one end of the brake block 47 is provided with a counterweight 471; when the connecting spring is in the original length, the brake block is arranged between the first driven wheel and the second driven wheel, and the brake block is in a horizontal state under the action of the connecting spring.

When the first connecting shaft is connected with the second mounting plate to be loosened or the glass put in the first connecting shaft is too heavy, the speed reducing wheel rotates rapidly under the action of the gravity of the glass, the speed reducing wheel rotates to drive the driven wheel to rotate together, the driven wheel generates centrifugal force when rotating, the balancing weight is thrown out of the driven wheel under the action of the balancing weight, and one end of the brake block swings towards the outer side of the driven wheel, so that one end of the brake block protrudes out of the circumference of the driven wheel; the thrown brake block rotates along with the driven wheel, the brake block is in contact with a brake plate below the brake block, one end of the brake block is clamped into the first groove, the brake block is limited, the brake block is fixed under the action of the connecting spring and the brake plate, the driven wheel stops rotating, the speed reducing wheel stops rotating, the glass is fixed in the crushing cavity, the glass is subjected to primary crushing treatment in the spike poking strength and then enters the secondary crushing box, and the glass crushing effect is improved; after glass is broken into the piece and drops to the secondary crushing incasement, the brake pads resets under the effect of connecting spring, makes from driving wheel antiport certain distance to make the brake pads reentrant first from driving between the wheel and the second driven wheel, the normal rotation of the gear reducer of being convenient for.

One end of the second mounting plate 42 is provided with an adjusting spring 48, one end of the adjusting spring 48 is fixedly connected with the inner wall of the mounting cavity 12, and the adjusting spring is fixedly connected on the first mounting plate; the distance between the speed reducing wheels at two sides of the crushing cavity can be adjusted by controlling the second mounting plate through the adjusting spring, so that the speed reducing wheels can adapt to glass with various thicknesses, and the application range of the equipment is enlarged; the contact effect of the speed reducing wheel and the glass is increased through the adjusting spring, the friction force between the speed reducing wheel and the glass is increased, and the glass and the speed reducing wheel are prevented from sliding relatively.

A motor bin 15 is arranged above the fourth movable cavity 13, a rotating motor 151 is arranged in the motor bin 15, a second through hole 152 is formed in the bottom of the motor bin 15, and an output shaft of the rotating motor 151 penetrates through the second through hole 152; the crushing assembly comprises a third connecting shaft 132 arranged in the fourth movable cavity 13 and a cam 131 arranged on the third connecting shaft 132, and the third connecting shaft 132 is fixedly connected with an output shaft of the rotating motor 151; after glass entered into broken intracavity and the cooperation of gear reducer, glass slowly down dropped under the effect of gear reducer, rotating electrical machines drive cam this moment rotates, the cam is at its flange of pivoted in-process and glass surface contact each other, under driving motor's power, make the cam flange progressively oppress glass until with the glass crushing, after crushing glass middle part, glass breakage becomes the tiny particle and drops in the secondary crushing incasement under the effect of stress, the secondary treatment via the crushing roller reduces glass piece granule size, be convenient for retrieve the glass piece.

A receiving hopper 21 is arranged in the secondary crushing box 2, the receiving hopper 21 is arranged below the crushing cavity 11, and the crushing roller 22 is arranged below the receiving hopper 21; an equipment box 23 is arranged on the side wall of the secondary crushing box 2, and a driving motor 231 is arranged in the equipment box 23; the top section of the receiving hopper is larger than the bottom section of the receiving hopper, so that the receiving hopper can collect the primarily crushed glass scraps, the glass scraps are conveniently concentrated above the crushing roller, and the glass scraps are secondarily crushed by the crushing roller; the driving motor provides rotation power for the crushing roller, and the crushing roller is two sets of, and two sets of crushing roller relative motion carry out to grind the glass piece, and effectual reduction glass piece particle diameter increases glass's crushing effect.

A discharge port is formed in the side wall of the secondary treatment tank 2, a plugging plate 24 is arranged on the discharge port, and a third groove 241 is formed in the plugging plate 24; the blocking plate is convenient to take down from the secondary treatment box through the third groove, and the blocking plate is connected with the discharge hole in a clamping manner; collecting the crushed glass scraps at the bottom of a secondary crushing box, and collecting the glass scraps through a discharge hole; make glass make the inside sealed environment that forms of secondary crushing incasement when carrying out broken handle through the putty board, avoid the glass piece to fall out from the secondary crushing incasement, reduce the clastic waste of glass.

A first movable cavity 54 is arranged on the first mounting plate 5, a limiting spring 541 is arranged in the first movable cavity 54, a limiting block 542 is arranged at one end of the limiting spring 541, one end of the limiting spring is fixedly connected with the bottom of the first movable cavity, and the other end of the limiting spring is fixedly connected with the bottom of the limiting block; a first limiting groove 16 matched with the limiting block 542 is formed in the side wall of the primary crushing box 1; first movable chamber is the multiunit setting, and on the even lateral wall of locating first mounting panel, through mutually supporting of the stopper of multiunit and the first spacing groove of multiunit, increase the fixed effect of first mounting panel and preliminary broken case.

A second movable cavity 53 is arranged on one side of the first movable cavity 54, a first push rod 531 penetrates through the second movable cavity 53, and one end of the first push rod 531 penetrates through the first movable cavity 54 and is fixedly connected with the top of the limiting block 542; a limiting plate 532 is arranged on the first push rod 531, and the limiting plate 532 is arranged in the second movable cavity 53; the second movable cavity and the limiting plate limit the stroke track of the first push rod, so that the first push rod can move within a controllable range, the situation that the limiting block is pushed out to exceed the elastic limit of the limiting spring due to excessive movement of the first push rod is avoided, and the protection effect on equipment is achieved.

A third movable cavity 52 is formed in the first mounting plate 5, a metal spring plate 521 is arranged in the third movable cavity 52, and four sides of the metal spring plate 521 are in contact with one end of the first push rod 531; a second push rod 552 penetrates through the third movable cavity 52; the metal elastic sheet is arched under the condition of no stress, and the second push rod is arranged on the arched surface of the metal elastic sheet.

A fixed block 51 is arranged on one side of the mounting plate 5, a second limiting groove 511 is arranged at the top of the fixed block 51, a cavity 513 is arranged in the fixed block 51, a third limiting groove 512 is arranged at the top of the cavity 513, and a first through hole 514 is arranged at the bottom of the cavity 513; a pull rod 55 penetrates through the second limiting groove 511, a limiting rod 551 is arranged at the bottom of the pull rod 55, and the second push rod 552 is fixedly connected to the bottom of the limiting rod 551; the cross section of the second limiting groove is of a rectangular structure, the third limiting groove is the same as the second limiting groove in structure, the second limiting groove and the third limiting groove are distributed in a staggered mode to form a cross shape, and the limiting rod corresponds to the second limiting rod in shape.

When the mounting plate is not arranged in the primary crushing box, the limiting rod is positioned in the second limiting groove, the metal elastic sheet is not stressed and is in a normal state, and the limiting block is arranged in the first movable cavity; after the mounting plate is arranged in the primary crushing box, a first movable cavity on the mounting plate corresponds to a first limiting groove on the primary crushing box, a pull rod is pressed in a fixed block, the pull rod pushes a second push rod to compress a metal elastic sheet, the middle of the metal elastic sheet is stressed to extend to the periphery and is in contact with a first push rod, and the first push rod pushes a limiting block to extend out of the first movable cavity, enter the first limiting groove and form fixed fit with the first limiting groove; the pull rod is rotated to enable the limiting rod to rotate in the cavity, and after the limiting rod corresponds to the third limiting groove, the pull rod is loosened to enable the limiting rod to enter the third limiting groove, the limiting rod is fixed through the third limiting groove, so that the second push rod continuously presses the metal elastic sheet, the limiting block is stably matched with the first limiting groove, and the reliability of the equipment is improved; when taking off the mounting panel from preliminary broken case, in impressing the fixed block with the pull rod, make the gag lever post deviate from the third spacing inslot, rotate the pull rod, make the gag lever post rotate in the cavity, it is corresponding with second spacing trench position until rotating the gag lever post, loosen the pull rod, make the gag lever post enter into the second spacing inslot under metal shrapnel's effect, thereby make the stopper enter into first movable cavity, make stopper and first spacing trench throw off the cooperation, be convenient for take out the mounting panel from preliminary broken incasement together with the pay-off subassembly, the maintenance cost of reduction equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The glass crushing equipment convenient for maintenance and used in the recovery of the scraped car comprises a primary crushing box (1) and a secondary crushing box (2), wherein a crushing cavity (11) is arranged on the primary crushing box (1), and a top cover (3) is arranged at the top of the crushing cavity (11); be equipped with crushing roller (22) in secondary crushing case (2), crushing roller (22) are located broken chamber (11) below, its characterized in that: a plurality of mounting cavities (12) are formed in the inner wall of the primary crushing box (1), a first mounting plate (5) is detachably connected into each mounting cavity (12), a feeding assembly is arranged on each first mounting plate (5), and each first mounting plate (5) is detachably matched with the side wall of the primary crushing box (1);

a first movable cavity (54) is formed in the first mounting plate (5), a limiting spring (541) is arranged in the first movable cavity (54), a limiting block (542) is arranged at one end of the limiting spring (541), and a first limiting groove (16) matched with the limiting block (542) is formed in the side wall of the primary crushing box (1);

a second movable cavity (53) is arranged on one side of the first movable cavity (54), a first push rod (531) penetrates through the second movable cavity (53), and one end of the first push rod (531) penetrates through the first movable cavity (54) and is fixedly connected with the top of the limiting block (542); a limiting plate (532) is arranged on the first push rod (531), and the limiting plate (532) is arranged in the second movable cavity (53);

a third movable cavity (52) is formed in the first mounting plate (5), a metal elastic sheet (521) is arranged in the third movable cavity (52), and four sides of the metal elastic sheet (521) are in contact with one end of the first push rod (531); a second push rod (552) penetrates through the third movable cavity (52);

a fixed block (51) is arranged on one side of the mounting plate (5), a second limiting groove (511) is arranged at the top of the fixed block (51), a cavity (513) is arranged in the fixed block (51), a third limiting groove (512) is arranged at the top of the cavity (513), and a first through hole (514) is arranged at the bottom of the cavity (513); a pull rod (55) penetrates through the second limiting groove (511), a limiting rod (551) is arranged at the bottom of the pull rod (55), and the second push rod (552) is fixedly connected to the bottom of the limiting rod (551).

2. The glass crushing device for recycling the scrapped cars convenient for maintenance according to claim 1, wherein: the feeding assembly comprises a speed reducing wheel (41), a first driven wheel (43) is arranged on one side of the speed reducing wheel (41), a second driven wheel (44) is arranged on one side of the first driven wheel (43), the first driven wheel (43) and the second driven wheel (44) are fixedly connected with a first connecting shaft (45) respectively, a braking assembly is arranged between the first driven wheel (43) and the second driven wheel (44), a braking plate (46) is arranged below the braking assembly, and a second groove (461) is formed in the braking plate (46).

3. The glass crushing device for recycling the scrapped cars convenient for maintenance according to claim 2, wherein: the brake assembly comprises a brake block (47) arranged between the first driven wheel (43) and the second driven wheel (44), a second connecting shaft (472) arranged on the brake block (47) in a penetrating mode and a connecting spring (473) arranged at one end of the brake block (47), the other end of the connecting spring (473) is fixedly connected to the first connecting shaft (45), and a balancing weight (471) is arranged at one end of the brake block (47).