CN220614235U

CN220614235U - Waste discharge mechanism of die cutting machine

Info

Publication number: CN220614235U
Application number: CN202322285879.6U
Authority: CN
Inventors: 杨钢
Original assignee: Shenzhen Hongfuhan Technology Co ltd
Current assignee: Shenzhen Hongfuhan Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-03-19
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a waste discharging mechanism of a die cutting machine, which relates to the technical field of die cutting machines and comprises a box body, wherein fixing blocks are fixedly arranged on two sides of the box body, transmission structures are arranged on the two fixing blocks, fixing plates are fixedly arranged on the tops of two sides of the box body, a supporting plate is connected to the bottom of the inside of the box body in a sliding manner, a sliding plate is arranged at the bottom of the supporting plate, the sliding plate is inserted into the box body and one of the transmission structures and is in sliding connection with the inside of the box body, a U-shaped fixing block is fixedly arranged at the bottom of the sliding plate, a hydraulic rod is inlaid at the top of the U-shaped fixing block, penetrates through the sliding plate and is fixedly connected with the sliding plate, and the waste discharging mechanism has the advantages that: the U-shaped fixed block is driven to transversely move through the second servo motor, the supporting plate longitudinally moves and contacts the transmission structure through the operation of the hydraulic rod, the pushing plate is driven to move to push materials at the top of the supporting plate through the operation of the second electric telescopic rod, and the device saves manpower and improves production efficiency.

Description

Waste discharge mechanism of die cutting machine

Technical Field

The utility model relates to the technical field of die cutting machines, in particular to a waste discharge mechanism of a die cutting machine.

Background

The die cutting machine is used for die cutting and indentation of the sheet, and the die cutting machine uses a steel knife, a hardware die and a steel wire to punch the sheet by a pressing die and a bearing die, namely the bearing die is fixed on a workbench, the pressing die moves up and down to die cut the sheet, and the printed product or the sheet is rolled into a certain shape.

Today there is a waste discharging mechanism of automatic cross cutting machine of patent number 202122780961.7, including waste discharging mechanism body, vibrating plate, pushing plate and waste collection box, the inside top connection of waste discharging mechanism body is provided with the waste material inclined plate, crosses the below of waste material inclined plate and the inside of waste discharging mechanism body and is provided with the vibrating plate, and the internal connection of vibrating plate is provided with the filter screen, and the inside of vibrating plate and the top of filter screen are provided with the pushing plate, and vibrating motor is installed to the bottom of vibrating plate one end. According to the utility model, through the waste passing slope plate accessory, the waste passing slope plate is provided with the inclined surface, so that crushed aggregates and impurities falling above can quickly pass through the waste passing slope plate and slide to the top position of the vibrating plate, a plurality of through holes are formed in the waste passing slope plate, the crushed aggregates and impurities can conveniently pass through, large materials can be filtered out, and the materials are prevented from being discharged together with the impurities.

However, the improvement of the patent is not suitable for assembly line operation, and a worker is required to manually take out the materials processed in the waste discharging mechanism body, so that the working efficiency is reduced, and therefore, the waste discharging mechanism of the die cutting machine is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a waste discharge mechanism of a die cutting machine, which solves the problems in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the waste discharge mechanism of the die cutting machine comprises a box body, wherein two sides of the box body are fixedly provided with fixed blocks, the two fixed blocks are respectively provided with a transmission structure, the top parts of two sides of the box body are fixedly provided with fixing plates, the bottom part of the inner wall of the box body is connected with a supporting plate in a sliding way, the bottom of the supporting plate is provided with a sliding plate which is inserted into the box body and one of the transmission structures and is in sliding connection with the box body, the bottom of the sliding plate is fixedly provided with a U-shaped fixed block, the top of the U-shaped fixed block is embedded with a hydraulic rod, the hydraulic rod penetrates through the sliding plate and is fixedly connected with the sliding plate, the output end of the hydraulic rod is fixedly connected with the supporting plate, the supporting plate is connected with the box body in a sliding way, the two sides of the supporting plate are fixedly provided with fixing rods which are inserted into the box body and fixedly connected with the box body, a second electric telescopic rod is arranged inside two sides of the box body and above the sliding plate, a push plate is fixedly arranged at the output end of the second electric telescopic rod, the push plate is inserted into the box body and is in sliding connection with the box body, the supporting plate is in sliding connection with the push plate, sliding grooves are formed on two sides of the inner wall of the box body, sliding blocks are connected inside the two sliding grooves in a sliding manner, a first electric telescopic rod is fixedly arranged in the box body and below the two sliding grooves, the output end of the first electric telescopic rod is inserted into the sliding groove and fixedly connected with the sliding blocks, one side of the two sliding blocks, which is close to each other, is rotationally connected with a brush roller through a rotating shaft, the rotating shaft is inserted into the sliding blocks and rotationally connected with the sliding blocks, one of the sliding blocks is fixedly provided with a first servo motor, and the output end of the first servo motor is fixedly connected with the rotating shaft.

Preferably, the fan is inlayed to one side of box inner wall, one side of box is offered and is had the inlet port with fan complex, the cell body has been seted up to the bottom of box inner wall and be located one side of slide, the inside of cell body is provided with the sieve, the inside of box and be located one side fixed mounting of sieve have third electric telescopic handle, and third electric telescopic handle and sieve fixed connection, the sieve inserts the inside of box and rather than sliding connection, and sieve and cell body sliding connection, can blow the inside waste material of box and its inside that moves the cell body through the fan, plays the effect of screening through the sieve to remove the waste material that can make the not pass through the sieve through the cell body output through the cooperation of third electric telescopic handle with the box.

Preferably, one side of box inner wall is inlayed and is had infrared sensor, the recess is all seted up to the both sides of box inner wall, two the inside of recess is equal fixed mounting has two guide arms, the inside fixed mounting of fixed plate has the cylinder, the output fixed mounting of cylinder has the connecting plate, and the connecting plate inserts the inside of box and rather than sliding connection, the guide arm runs through the connecting plate and rather than sliding connection, the outside of guide arm is provided with buffer spring, buffer spring's one end and the bottom fixed connection of recess, buffer spring's the other end and the bottom fixed connection of connecting plate, the bottom fixed mounting of connecting plate has the connecting block, the bottom of connecting block is provided with a plurality of fixing bolt, a plurality of fixing bolt all inserts the inside of connecting block and rather than threaded connection, the bottom of connecting block is provided with the template, template and fixing bolt threaded connection, the template passes through fixing bolt and connecting block fixed connection, drives the connecting plate through the cylinder operation and moves down and make the template process the material, buffer spring that the guide arm outside set up and buffer spring and the bottom fixed connection of connecting plate, can cushion the vibration device's performance when slowing down the operation and producing vibrations.

Preferably, the top of backup pad is provided with the stopper, the stopper inserts the inside of backup pad and rather than sliding connection, the bottom both sides of stopper all are provided with the fixture block, and the fixture block inserts the inside of backup pad and rather than sliding connection, the inside fixed mounting of backup pad has fourth electric telescopic handle, and the output and the stopper fixed connection of fourth electric telescopic handle, makes stopper longitudinal movement play the restriction in position to the material at backup pad top through fourth electric telescopic handle drive to the fixture block through the stopper both sides restricts the removal of its position.

Preferably, the inside of box and the below fixed mounting who is located the slide have the second servo motor, the inside rotation of box is connected with two belt pulleys, two the outside transmission of belt pulley is connected with the belt, the output and one of them belt pulley fixed connection of second servo motor, two the equal fixed mounting in one side that the second servo motor was kept away from to the belt pulley has the lead screw, and lead screw and box rotate to be connected, two the lead screw all runs through U type fixed block and rather than threaded connection, one side of box is inlayed and is had the controller, controller and two transmission structure, cylinder, first electric telescopic handle, first servo motor, second electric telescopic handle, second servo motor, hydraulic stem, third electric telescopic handle, fourth electric telescopic handle, infrared sensor and fan electric connection, the operation through the second servo motor makes the U type fixed block outside the lead screw longitudinal movement, thereby makes the hydraulic stem that the U type fixed block top was inlayed drive the backup pad and remove, and slide and U type fixed block fixed connection simultaneously can play its bottom space's effect, prevents as far as possible that the bottom from falling into through the inside of the controller of blow-down device.

Preferably, one side of box and one side that is located the cell body are rotated through the pivot and are connected with the apron, and apron and cell body rotate and are connected, one side of apron and box is provided with the buckle of mutually supporting, the equal fixed mounting in bottom four corners of box props the leg, plays confined effect to the cell body when the apron angle is fixed through the buckle to improve the supporting effect of device through propping the leg.

The utility model provides a waste discharge mechanism of a die cutting machine, which has the following beneficial effects:

1. this waste discharge mechanism of cross cutting machine makes U type fixed block lateral shifting through the drive of second servo motor, makes backup pad longitudinal movement and contact transmission structure through the hydraulic rod operation, makes the push pedal remove the material that promotes the backup pad top through the operation of second electric telescopic handle, and the device has saved the manpower, has improved production efficiency.

2. This waste discharge mechanism of cross cutting machine makes brush roller wheel through the inside first servo motor drive of box, cleans the inside upper sliding material top of box to blow the waste material at device inside and material top through the fan, and make it collect after screening through the sieve, realize the automatic collection of waste material, can make the sieve remove through the third electric telescopic handle, will remain the material at sieve top and carry the inside of cell body under the effect of box and collect again, improved the practicality of device, and through collecting the waste material, improved work efficiency.

Drawings

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

FIG. 2 is a side cross-sectional view of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is a schematic view of the internal structure of the case of the present utility model;

fig. 5 is a schematic view of a partial structure of the present utility model.

In the figure: 1. a case; 2. a controller; 3. a fixed block; 4. a transmission structure; 5. a fixing plate; 6. a cylinder; 7. a connecting plate; 8. a connecting block; 9. a template; 10. a fixing bolt; 11. a groove; 12. a buffer spring; 13. a guide rod; 14. a slide block; 15. a first electric telescopic rod; 16. a brush roller; 17. a first servo motor; 18. a second electric telescopic rod; 19. a belt pulley; 20. a belt; 21. a second servo motor; 22. u-shaped fixed blocks; 23. a hydraulic rod; 24. a screw rod; 25. a slide plate; 26. a third electric telescopic rod; 27. a sieve plate; 28. a fixed rod; 29. a support plate; 30. a limiting block; 31. a fourth electric telescopic rod; 32. an infrared sensor; 33. a blower; 34. a groove body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a waste discharge mechanism of cross cutting machine, the power distribution box comprises a box body 1, both sides of box 1 all fixedly mounted have fixed block 3, all be provided with transmission structure 4 on two fixed blocks 3, both sides top fixed mounting of box 1 has fixed plate 5, the bottom sliding connection of box 1 inner wall has backup pad 29, the bottom of backup pad 29 is provided with slide 25, slide 25 inserts the inside of box 1 and one of them transmission structure 4 and with its sliding connection, the bottom fixed mounting of slide 25 has U type fixed block 22, the top of U type fixed block 22 is inlayed and is had hydraulic stem 23, and hydraulic stem 23 runs through slide 25 and rather than fixed connection, the output of hydraulic stem 23 and backup pad 29 fixed connection, and backup pad 29 and box 1 sliding connection, both sides of backup pad 29 all fixed mounting have fixed rod 28, and fixed rod 28 inserts the inside of box 1 and rather than fixed connection, the inside of box 1 and be located the top of slide 25 and be provided with second electric telescopic handle 18, the output end fixed mounting of second electric telescopic handle 18 has the push pedal, and push pedal insert the inside of box 1 and with its inside and with its fixed connection of slide, the top of two sides of sliding connection, one side of two rollers 14 are connected with the inside of a slide 16 are connected to the inside of a slide 14 through the fixed connection of two slide shafts of two side of a slide shafts 14, one side of a slide 16 are connected with the inside of a slide 14, the inside of a slide 14 is connected with the inside of a slide 14, two side of a slide channel is connected with the inside of a slide 14, and one side of the slide 14 is connected with the inside of the box 1 through the fixed roller, and is fixed inside of the inside of a slide 14, and the output end of the first servo motor 17 is fixedly connected with the rotating shaft.

A fan 33 is inlaid on one side of the inner wall of the box body 1, an air inlet matched with the fan 33 is formed on one side of the box body 1, a groove 34 is formed on one side of the bottom of the inner wall of the box body 1 and located on the sliding plate 25, a screen plate 27 is arranged in the groove 34, a third electric telescopic rod 26 is fixedly arranged on one side of the screen plate 27 in the box body 1, the third electric telescopic rod 26 is fixedly connected with the screen plate 27, the screen plate 27 is inserted into the box body 1 and is in sliding connection with the box body, the screen plate 27 is in sliding connection with the groove 34, waste inside the box body 1 can be blown by the fan 33 and can move into the groove 34, the screening effect is achieved through the screen plate 27, and waste which does not pass through the screen plate 27 can be output through the groove 34 through the cooperation of the third electric telescopic rod 26 and the box body 1.

The infrared sensor 32 is inlayed to one side of box 1 inner wall, the recess 11 has all been seted up to the both sides of box 1 inner wall, the inside of two recesses 11 is equal fixed mounting has two guide arms 13, the inside fixed mounting of fixed plate 5 has cylinder 6, the output fixed mounting of cylinder 6 has connecting plate 7, and connecting plate 7 inserts the inside of box 1 and rather than sliding connection, guide arm 13 runs through connecting plate 7 and rather than sliding connection, the outside of guide arm 13 is provided with buffer spring 12, buffer spring 12's one end and recess 11's bottom fixed connection, buffer spring 12's the other end and connecting plate 7's bottom fixed connection, connecting plate 7's bottom fixed mounting has connecting block 8, connecting block 8's bottom is provided with a plurality of fixing bolt 10, a plurality of fixing bolt 10 all insert connecting block 8's inside and rather than threaded connection, connecting block 8's bottom is provided with template 9, template 9 and fixing bolt 10 threaded connection, template 9 passes through fixing bolt 10 and connecting block 8 fixed connection, it makes connecting plate 7 move down to make template 9 process the material through cylinder 6, buffer spring 12 and connecting plate 7's bottom fixed connection that the bottom that the guide arm set up, when producing the vibration amplitude can improve the vibration damping device.

The top of backup pad 29 is provided with stopper 30, stopper 30 inserts the inside of backup pad 29 and rather than sliding connection, the bottom both sides of stopper 30 all are provided with the fixture block, and the fixture block inserts the inside of backup pad 29 rather than sliding connection, the inside fixed mounting of backup pad 29 has fourth electric telescopic handle 31, and the output and the stopper 30 fixed connection of fourth electric telescopic handle 31, make stopper 30 longitudinal movement play the restriction in position to the material at backup pad 29 top through the drive of fourth electric telescopic handle 31, and restrict the removal of its position through the fixture block of stopper 30 both sides.

The second servo motor 21 is fixedly arranged in the box body 1 and positioned below the sliding plate 25, the two belt pulleys 19 are rotationally connected in the box body 1, the belt 20 is connected to the outer sides of the two belt pulleys 19 in a transmission manner, the output end of the second servo motor 21 is fixedly connected with one belt pulley 19, the screw rods 24 are fixedly arranged on one sides of the two belt pulleys 19 far away from the second servo motor 21, the screw rods 24 are rotationally connected with the box body 1, the two screw rods 24 penetrate through the U-shaped fixed block 22 and are in threaded connection with the U-shaped fixed block, the controller 2 is embedded on one side of the box body 1, the controller 2 is electrically connected with the two transmission structures 4, the air cylinder 6, the first electric telescopic rod 15, the first servo motor 17, the second electric telescopic rod 18, the second servo motor 21, the hydraulic rod 23, the third electric telescopic rod 26, the fourth electric telescopic rod 31, the infrared sensor 32 and the fan 33, the U-shaped fixed block 22 outside the screw rod 24 longitudinally moves through the operation of the second servo motor 21, so that the hydraulic rod 23 inlaid at the top of the U-shaped fixed block 22 drives the supporting plate 29 to move, meanwhile, the sliding plate 25 is fixedly connected with the U-shaped fixed block 22, the sliding plate 25 can play a role in sealing the bottom space of the sliding plate 25, waste is prevented from blowing to fall into the bottom of the sliding plate 25 as much as possible, meanwhile, the device in the device is controlled by the controller 2 to operate, one side of the box body 1 and one side of the groove body 34 are rotationally connected with the cover plate through the rotating shaft, the cover plate is rotationally connected with the groove body 34, one side of the cover plate and one side of the box body 1 are provided with mutually matched buckles, supporting legs are fixedly arranged at four corners of the bottom of the box body 1, the groove body 34 plays a sealing effect through the buckles when the angles of the cover plate are fixed, and the supporting effect of the device is improved through the supporting legs.

To sum up, this waste discharging mechanism of cross cutting machine, when in use, make two transmission structure 4 function through the control of controller 2, and place the material on the transmission structure 4 that is close to cylinder 6, and collect the material after processing in another transmission structure 4 one side, transport the inside of box 1 through transmission structure 4 with the material, and respond to the position that the material removed through infrared sensor 32, make cylinder 6 function drive connecting plate 7 move down and make template 9 process the material, simultaneously first servo motor 17 drive make brush running roller 16 rotate, can clean the waste material after the material top processing to brush running roller 16 below, then the material moves to the top of backup pad 29 along the inner wall of box 1, make stopper 30 shift up the position of material through fourth electric telescopic handle 31, and blow the waste material to the inside of cell 34 through fan 33 function to the device inside, and screen it through 27, 27 can filter the waste material, keep available product, improve the screening accuracy, and can make the material that can move at the inside the sieve box 34 at the sieve bottom of the sieve plate 27 through the third electric telescopic handle 26, the inside the cell 34 of the sieve plate 1 again.

The bottom of the supporting plate 29 is in a closed state through the sliding plate 25, waste is prevented from entering the box 1, the U-shaped fixed block 22 outside the screw rod 24 transversely moves through the operation of the second servo motor 21, the supporting plate 29 moves upwards and contacts the transmission structure 4 through the driving of the hydraulic rod 23, the pushing plate moves to push the material at the top of the supporting plate 29 through the operation of the second electric telescopic rod 18, the material moves to the top of the transmission structure 4 to be collected, and meanwhile, the heat dissipation holes matched with the first servo motor 17 and the second servo motor 21 are formed in the device, so that the damage of the motor caused by heat dissipation cannot be generated during the operation of the motor as far as possible.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a waste discharge mechanism of cross cutting machine, includes box (1), its characterized in that: the utility model discloses a power-driven telescopic electric box, which is characterized in that fixed blocks (3) are fixedly arranged on two sides of the box body (1), a transmission structure (4) is arranged on each fixed block (3), a fixed plate (5) is fixedly arranged at the top of two sides of the box body (1), a supporting plate (29) is fixedly connected with the bottom of the inner wall of the box body (1), a sliding plate (25) is arranged at the bottom of the supporting plate (29), the sliding plate (25) is inserted into the box body (1) and one of the transmission structures (4) and is in sliding connection with the inside of the box body, a U-shaped fixed block (22) is fixedly arranged at the bottom of the sliding plate (25), a hydraulic rod (23) is inlaid at the top of each U-shaped fixed block (22), the hydraulic rod (23) penetrates through the sliding plate (25) and is fixedly connected with the sliding plate, the output end of the hydraulic rod (23) is fixedly connected with the supporting plate (29), the supporting plate (29) is fixedly connected with the bottom of the inner wall of the box body (1), a fixed rod (28) is fixedly arranged on two sides of the supporting plate (29), the fixed rod (28) is inserted into the box body (1) and is fixedly connected with the inside the electric push plate (1) and is fixedly arranged on the second side of the electric push plate (18), the utility model discloses a motor-driven intelligent control device for the electric motor comprises a box body (1), a supporting plate (29) and a pushing plate, wherein sliding grooves are formed in two sides of the inner wall of the box body (1), sliding blocks (14) are connected in a sliding mode in the sliding grooves, a first electric telescopic rod (15) is fixedly arranged in the box body (1) and below the sliding grooves, the output end of the first electric telescopic rod (15) is inserted into the sliding grooves and fixedly connected with the sliding blocks (14), brush rollers (16) are rotatably connected to one sides, close to each other, of the sliding blocks (14) through rotating shafts, the rotating shafts are inserted into the sliding blocks (14) and are rotatably connected with the sliding blocks, a first servo motor (17) is fixedly arranged in the sliding blocks (14), and the output end of the first servo motor (17) is fixedly connected with the rotating shafts.

2. The waste discharge mechanism of a die-cutting machine of claim 1, wherein: the novel air conditioner is characterized in that a fan (33) is inlaid on one side of the inner wall of the box body (1), an air inlet matched with the fan (33) is formed in one side of the box body (1), a groove body (34) is formed in the bottom of the inner wall of the box body (1) and located on one side of the sliding plate (25), a screen plate (27) is arranged in the groove body (34), a third electric telescopic rod (26) is fixedly mounted in one side of the inner side of the box body (1) and located on one side of the screen plate (27), the third electric telescopic rod (26) is fixedly connected with the screen plate (27), and the screen plate (27) is inserted into the box body (1) and is in sliding connection with the screen plate (27) and is in sliding connection with the groove body (34).

3. The waste discharge mechanism of a die-cutting machine of claim 1, wherein: an infrared sensor (32) is inlaid on one side of the inner wall of the box body (1), grooves (11) are formed in two sides of the inner wall of the box body (1), two guide rods (13) are fixedly arranged in the grooves (11), an air cylinder (6) is fixedly arranged in the fixing plate (5), a connecting plate (7) is fixedly arranged at the output end of the air cylinder (6), the connecting plate (7) is inserted into the box body (1) and is in sliding connection with the connecting plate, the guide rods (13) penetrate through the connecting plate (7) and are in sliding connection with the connecting plate, a buffer spring (12) is arranged on the outer side of the guide rods (13), one end of the buffer spring (12) is fixedly connected with the bottom of the grooves (11), the other end of the buffer spring (12) is fixedly connected with the bottom of the connecting plate (7), a connecting block (8) is fixedly arranged at the bottom of the connecting plate (7), a plurality of fixing bolts (10) are inserted into the connecting block (8) and are in threaded connection with the bottom of the connecting block (8), a template (9) is fixedly connected with the connecting plate (9), the template (9) is fixedly connected with the connecting block (8) through a fixing bolt (10).

4. The waste discharge mechanism of a die-cutting machine of claim 1, wherein: the top of backup pad (29) is provided with stopper (30), stopper (30) insert the inside of backup pad (29) and rather than sliding connection, the bottom both sides of stopper (30) all are provided with the fixture block, and the fixture block inserts the inside of backup pad (29) and rather than sliding connection, the inside fixed mounting of backup pad (29) has fourth electric telescopic handle (31), and the output and the stopper (30) fixed connection of fourth electric telescopic handle (31).

5. The waste discharge mechanism of a die-cutting machine of claim 1, wherein: the inside of box (1) and the below fixed mounting that is located slide (25) have second servo motor (21), the inside rotation of box (1) is connected with two belt pulleys (19), two the outside transmission of belt pulley (19) is connected with belt (20), the output and one of them belt pulley (19) fixed connection of second servo motor (21), two the equal fixed mounting of one side that second servo motor (21) was kept away from to belt pulley (19) has lead screw (24), and lead screw (24) are connected with box (1) rotation, two lead screw (24) all run through U type fixed block (22) and rather than threaded connection, one side of box (1) is inlayed and is had controller (2), controller (2) and two transmission structures (4), cylinder (6), first electric telescopic handle (15), first servo motor (17), second electric telescopic handle (18), second servo motor (21), hydraulic pressure pole (23), third electric telescopic handle (26), fourth electric telescopic handle (31), infrared sensor (32) and fan (33) electric connection.

6. The waste discharge mechanism of a die-cutting machine as recited in claim 2, wherein: one side of box (1) and be located one side of cell body (34) and rotate through the pivot and be connected with the apron, and apron and cell body (34) rotate and be connected, one side of apron and box (1) is provided with the buckle of mutually supporting, the equal fixed mounting in bottom four corners of box (1) has the support leg.