CN108581229B

CN108581229B - Cloth laser cutting machine with clearance function

Info

Publication number: CN108581229B
Application number: CN201810599351.7A
Authority: CN
Inventors: 王加山
Original assignee: Jiande Dijia Textile Co Ltd
Current assignee: Jiande Dijia Textile Co., Ltd
Priority date: 2018-06-12
Filing date: 2018-06-12
Publication date: 2020-12-08
Anticipated expiration: 2038-06-12
Also published as: CN108581229A

Abstract

The invention discloses a cloth laser cutting machine with a cleaning function, which comprises a machine box body, wherein a support, a cloth pressing roller, a second material conveying roller, a first material conveying roller and a cloth guide roller are arranged at the upper end of the machine box body, a cloth placing roller is arranged at one end of the machine box body, a protective cover and a winding roller are arranged at the other end of the machine box body, a laser cutter head is arranged below the support, a material blocking cover is arranged in the support, a second motor is arranged in the material blocking cover and connected with a forward screw rod, the forward screw rod is connected with a reverse screw rod through a connecting block, movable blocks are sleeved on the forward screw rod and the reverse screw rod in a threaded manner, brushes are arranged below the movable blocks, and a. The waste heat recovery device and the material pumping machine realize the collection of the crushed materials, prevent the crushed materials from splashing, are convenient to clean the crushed materials, improve the cleaning efficiency of workers, realize the waste heat recovery of the crushed materials, avoid the waste of heat resources, improve the utilization rate of the resources, and realize the dehumidification and the noise pollution prevention by arranging the silencing partition plate.

Description

Cloth laser cutting machine with clearance function

Technical Field

The invention belongs to the technical field of cloth processing and cleaning, and particularly relates to a cloth laser cutting machine with a cleaning function.

Background

The cloth laser cutting machine is a full-automatic feeding and automatic rolling cutting machine which is specially developed for plush fabric manufacturing industry, has no smoke during working, saves materials, has no burnt edge on the cutting edge, can not drop plush during cutting, is environment-friendly and pollution-free in working, is mainly applied to clothing industry and plush fabric cutting and manufacturing, can accurately cut any pattern of various clothing fabrics, can be provided with a feeding device, and realizes continuous automatic cutting of coil materials.

But the laser cutting machine for cloth production and processing in the existing market still has certain defect in the cutting process, for example, the crushed aggregates spatter about during the cutting, and the clearance is not convenient for collect, and remains the heat in the crushed aggregates, can not carry out waste heat recovery, causes the wasting of resources, produces a large amount of noises easily in the cutting operation process in addition, causes noise pollution, influences workman's operational environment quality.

Disclosure of Invention

The invention aims to provide a cloth laser cutting machine with a cleaning function, and aims to solve the problems that the broken materials in the background technology are splashed, are inconvenient to collect and clean, cannot be subjected to waste heat recovery, cause resource waste, and easily generate a large amount of noise in the cutting process to cause noise pollution.

In order to achieve the purpose, the invention provides the following technical scheme: a cloth laser cutting machine with a cleaning function comprises a machine box body, wherein a support, a cloth pressing roller, a second material conveying roller, a first material conveying roller and a cloth guide roller are mounted at the upper end of the machine box body; the upper end of the material blocking cover is provided with a material inlet groove matched with the laser cutter head, the two sides of the material blocking cover are respectively provided with a material inlet and a material outlet, a second motor is arranged in the material blocking cover and connected with a second rotating shaft, one end of the second rotating shaft is connected with a forward screw rod, the forward screw rod is connected with a connecting block, the connecting block is connected with a reverse screw rod, the reverse screw rod is connected to the inner wall of the material blocking cover through a bearing, movable blocks are sleeved on the forward screw rod and the reverse screw rod in a threaded manner, an electric telescopic push rod is connected below the movable blocks, and a brush is arranged below the electric telescopic push rod; the waste heat recovery device is characterized in that a collecting bin is arranged below the material blocking cover, a waste heat recovery device connected with the collecting bin is arranged below the case body, a controller is installed on the front surface of the case body, and the motor II and the electric telescopic push rod are both connected with the controller.

Preferably, a sliding block is connected to the lower portion of the second motor, a fixed plate is connected to the lower portion of the sliding block in a sliding mode, a gear is sleeved on the second rotating shaft, an upper rack is meshed with the gear, and a lower rack meshed with the gear is arranged on the fixed plate.

Preferably, a first motor is arranged outside the protective cover, a driving wheel is arranged in the protective cover, the first motor is rotatably connected with the driving wheel through a rotating shaft, a driven wheel is arranged on the driving wheel, a belt is connected between the driving wheel and the driven wheel, the driven wheel is coaxially connected with the winding roller, and the first motor is connected with the controller.

Preferably, be provided with the hydraulic oil tank in the quick-witted box and set up the hydraulic pump on the hydraulic oil tank, the internally mounted of fixing base has the pneumatic cylinder, the pneumatic cylinder is connected with flexible post, laser generator is installed to flexible post lower part, be connected with hydraulic pressure oil pipe between pneumatic cylinder and the hydraulic pump, laser generator all are connected with the controller.

Preferably, the collection bin is connected with a material pumping machine, the material pumping machine is provided with an inlet pipe and a material pumping pipe connected with the collection bin, the inlet pipe is connected with a waste heat recoverer, the waste heat recoverer is connected with a water pump through a water inlet pipe, the lower end of the waste heat recoverer is provided with a material discharging pipe, the water pump is connected with a water tank through a pipeline, the water tank is connected with a water feeding pipe, one side of the lower part of the waste heat recoverer is connected with a water discharging pipe, and the material pumping machine and the.

Preferably, two heat conduction blocks are installed on two sides of the inner wall of the waste heat recoverer, the four heat conduction blocks are distributed in a staggered mode in the vertical direction, a water delivery pipe is connected between every two adjacent heat conduction blocks, and the heat conduction blocks are connected with a controller.

Preferably, the inside intermediate position department of amortization baffle is provided with the vacuum layer, the honeycomb panel, every are all installed to the inner wall both sides of amortization baffle the inside of honeycomb panel all is provided with the foam blanket, all be the rectangle array between honeycomb panel and the vacuum layer and install a plurality of and fall loudspeaker.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention is provided with a material blocking cover and a collecting bin, in the cutting process, cloth on a cloth placing roller is sequentially wound through a cloth guide roller, a first material conveying roller, a second material conveying roller and a cloth pressing roller, then passes through a cloth inlet and a cloth outlet of the material blocking cover and is wound on a winding roller, then a laser cutter head is lowered into a knife inlet groove on the material blocking cover under the action of a telescopic column, a worker opens a laser generator through a controller to work to generate laser, the laser is emitted on the cloth through the laser cutter head to carry out laser cutting on the cloth, the material blocking cover can block splashing of crushed aggregates, when the crushed aggregates collide the inner wall of the material blocking cover, the controller controls a motor two to rotate and an electric telescopic push rod to extend, the motor two rotates to enable a movable block sleeved and connected with threads on a forward screw rod and a reverse screw rod to move back and forth, so that a hairbrush intensively cleans the crushed aggregates, a gear simultaneously moves along the direction of an upper rack, inside being convenient for clean the material blocking cover, the crushed aggregates of being convenient for fall into the collection storehouse under the effect of its own gravity, and then realize the collection of crushed aggregates, prevent that the crushed aggregates from spattering all around, the clearance of the crushed aggregates of being convenient for has improved workman's cleaning efficiency, has reduced the intensity of labour of workman's clearance.

(2) The invention is provided with a waste heat recoverer and a material pumping machine, during the cutting process, a worker can turn on a power supply of the material pumping machine through a controller to enable the material pumping machine to work and rotate to generate negative pressure, crushed materials collected in a collection bin are pumped out through a material pumping pipe and are conveyed into the waste heat recoverer through a feeding pipe, then the worker turns on a water pump through the controller, the water pump works and rotates to pump water in a water tank through a pipeline and convey the water into one of heat conduction blocks in the waste heat recoverer through a water inlet pipe, because the four heat conduction blocks are arranged, and a water conveying pipe is connected between every two adjacent heat conduction blocks, when the crushed materials are guided and fall down through the heat conduction blocks, the cold water injected through the four heat conduction blocks is used for absorbing heat, the cold water absorbs heat to form hot water and is discharged through a water discharge pipe, and the cooled crushed materials are discharged through a discharge pipe, thereby realizing the temperature reduction of the crushed, the waste of heat resources is avoided, and the utilization rate of the resources is improved.

(3) The invention is provided with the silencing partition plate consisting of the inverted loudspeaker, the honeycomb plate, the foam layer and the vacuum layer, in the cutting process, the silencing partition plate on one side of the inner wall of the machine box body relieves and blocks the transmission of noise generated when the cutting machine works through the honeycomb plate, the foam layer and the vacuum layer inside the machine box body, and eliminates the noise through the inverted loudspeaker by utilizing the principles of forward amplification and reverse silencing of sound in the loudspeaker, thereby achieving the purpose of removing dryness, preventing noise pollution, improving the quality of the working environment of workers, facilitating the work of the workers, improving the working efficiency of the workers and increasing the production benefit of cloth.

Drawings

FIG. 1 is a schematic structural diagram of a cloth laser cutting machine with a cleaning function according to the present invention;

FIG. 2 is a front view of a cloth laser cutting machine with a cleaning function according to the present invention;

FIG. 3 is a left side view of a cloth laser cutting machine with a cleaning function according to the present invention;

FIG. 4 is a side cross-sectional view of a cloth laser cutting machine having a cleaning function according to the present invention;

FIG. 5 is a schematic structural diagram of a waste heat recoverer of a cloth laser cutting machine with a cleaning function according to the present invention;

FIG. 6 is a top view of a material blocking cover of the cloth laser cutting machine with cleaning function according to the present invention;

FIG. 7 is a right side view of a material stop cover of the cloth laser cutting machine with cleaning function according to the present invention;

FIG. 8 is a schematic structural diagram of a silencing partition plate of a cloth laser cutting machine with cleaning function according to the present invention;

fig. 9 is a schematic view of the internal structure of a material blocking cover of the cloth laser cutting machine with the cleaning function.

In the figure: 1-a machine box body; 2-a water feeding pipe; 3-a water tank; 4-a water pump; 5-water inlet pipe; 6-a waste heat recoverer; 61-water conveying pipes; 62-a heat conducting block; 7-a feed pipe; 8-a discharge pipe; 9-a material pumping machine; 10-a hydraulic oil tank; 11-a drain pipe; 12-a hydraulic pump; 13-a collection bin; 14-a material extraction pipe; 15-motor one; 16-a driving wheel; 17-a protective cover; 18-a belt; 19-a driven wheel; 20-a wind-up roll; 21-a scaffold; 22-a fixed seat; 23-hydraulic oil pipe; 24-a cloth pressing roller; 25-a second delivery roller; 26-a hydraulic cylinder; 27-a first delivery roll; 28-a cloth guide roller; 29-a cloth releasing roller; 30-a sound-deadening partition; 301-inverted horn; 302-a honeycomb panel; 303-a foam layer; 304-vacuum layer; 31-a controller; 32-telescopic columns; 33-a laser tool bit; 34-a material blocking cover; 341-cloth outlet; 342-a knife-feeding slot; 343-a cloth inlet; 35-a laser generator; 36-motor two; 37-a second rotating shaft; 38-gear; 39-upper rack; 40-lower rack; 41-a slide block; 42-fixing plate; 43-a movable block; 44-down the screw; 45-reverse screw; 46-connecting blocks; 47-electric telescopic push rod; 48-brush.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

A cloth laser cutting machine with a cleaning function comprises a machine box body 1, wherein a support 21, a cloth pressing roller 24, a second material conveying roller 25, a first material conveying roller 27 and a cloth guide roller 28 are mounted at the upper end of the machine box body 1, cloth can be conveyed by the second material conveying roller 25 and the first material conveying roller 27, a cloth placing roller 29 is arranged at one end of the machine box body 1, a protective cover 17 and a winding roller 20 are arranged at the other end of the machine box body 1, a fixed seat 22 is mounted at the middle position on the support 21, a telescopic column 32 is connected below the fixed seat 22, a laser cutter head 33 is connected below the telescopic column 32, a material blocking cover 34 is mounted in the support 21, and crushed materials can be prevented from splashing when the cloth is cut by the material blocking; the upper end of the material blocking cover 34 is provided with a material inlet groove 342 matched with the laser cutter head 33, two sides of the material blocking cover 34 are respectively provided with a cloth inlet 343 and a cloth outlet 341, cloth can enter the material blocking cover 34 through the cloth inlet 343 to be cut and is discharged through the cloth outlet 341, so that the collection of the crushed cloth materials is convenient, a second motor 36 is arranged in the material blocking cover 34, the second motor 36 adopts GS0075A to drive the motor, a sliding block 41 is connected below the second motor 36, a fixing plate 42 is connected below the sliding block 41 in a sliding manner, the second motor 36 is connected with a second rotating shaft 37, a gear 38 is sleeved on the second rotating shaft 37, an upper rack 39 is meshed on the gear 38, a lower rack 40 meshed with the gear 38 is arranged on the fixing plate 42, one end of the second rotating shaft 37 is connected with a forward screw 44, the forward screw 44 is connected with a connecting block 46, the connecting block 46 is connected with a reverse screw 45, the reverse screw 45 is connected on the inner wall, an electric telescopic push rod 47 is connected below the movable block 43, and a brush 48 is arranged below the electric telescopic push rod 47; the collecting bin 13 is arranged below the material blocking cover 34, the hairbrush 48 is convenient for cleaning crushed materials to enter the collecting bin 13, the waste heat recoverer 6 connected with the collecting bin 13 is arranged below the machine box body 1, the controller 31 is installed on the front surface of the machine box body 1, the controller 31 adopts an AT89S52 controller, and the motor II 36 and the electric telescopic push rod 47 are all connected with the controller 31.

The protective cover 17 is externally provided with a first motor 15, the protective cover 17 is internally provided with a driving wheel 16, the first motor 15 is rotatably connected with the driving wheel 16 through a rotating shaft, the driving wheel 16 is provided with a driven wheel 19, a belt 18 is connected between the driving wheel 16 and the driven wheel 19, the driven wheel 19 is coaxially connected with a winding roller 20, the first motor 15 is connected with the controller 31, the first motor 15 drives the motor through GS0075A, the first motor 15 works and rotates, the driving wheel 16 is driven to rotate through the rotating shaft, meanwhile, the driven wheel 19 is driven to rotate under the transmission action of the belt 18, and then the winding roller 20 is driven to rotate so as to wind.

The hydraulic oil tank 10 and the hydraulic pump 12 arranged on the hydraulic oil tank 10 are arranged in the machine box body 1, the hydraulic cylinder 26 is arranged inside the fixed seat 22, the hydraulic cylinder 26 is connected with the telescopic column 32, the laser generator 35 is arranged on the lower portion of the telescopic column 32, the hydraulic oil pipe 23 is connected between the hydraulic cylinder 26 and the hydraulic pump 12, and the hydraulic pump 12 and the laser generator 35 are both connected with the controller 31.

Collect storehouse 13 and connect material pumping machine 9, material pumping machine 9 is last to be provided with inlet pipe 7 and to collect the material pumping pipe 14 that storehouse 13 is connected, waste heat recovery device 6 is connected to inlet pipe 7, waste heat recovery device 6 can carry out waste heat recovery to the crushed aggregates, avoid heat waste of resources, waste heat recovery device 6 is connected with water pump 4 through inlet tube 5, waste heat recovery device 6's lower extreme is provided with row material pipe 8, water pump 4 has water tank 3 through the pipe connection, water tank 3 is connected with filler pipe 2, 6 lower part one side of waste heat recovery device are connected with drain pipe 11, material pumping machine 9 and water pump 4 all are connected with controller 31.

Two heat conduction blocks 62 are installed on two sides of the inner wall of the waste heat recoverer 6, the four heat conduction blocks 62 are distributed in a staggered mode along the vertical direction, a water conveying pipe 61 is connected between every two adjacent heat conduction blocks 62, and the heat conduction blocks 62 are connected with the controller 31.

The inside intermediate position department of amortization baffle 30 is provided with vacuum layer 304, and honeycomb panel 302 is all installed to the inner wall both sides of amortization baffle 30, and the inside of every honeycomb panel 302 all is provided with foam layer 303, all is the rectangle array between honeycomb panel 302 and the vacuum layer 304 and installs a plurality of loudspeaker 301 that fall.

The working principle is as follows: when the invention is used, a worker firstly connects an external power supply, the cloth on the cloth releasing roll 29 is sequentially wound through the cloth guide roll 28, the first material conveying roll 27, the second material conveying roll 25 and the cloth pressing roll 24, then passes through the cloth inlet 343 and the cloth outlet 341 of the material blocking cover 34 and is wound on the winding roll 20, then the worker opens the power supply of the cutting machine through the controller 31, at the moment, the cutting machine starts to work, namely, the hydraulic pump 12 works and rotates under the control of the controller 31, the hydraulic oil in the hydraulic oil tank 10 is pumped out through a pipeline and is conveyed into the hydraulic cylinder 26 through the hydraulic oil pipe 23, so that the hydraulic cylinder 26 performs piston motion under the action of oil pressure, the telescopic column 32 is driven to be telescopic, and then the laser cutter head 33 is driven to lift, when the laser cutter head 33 descends into the knife inlet 342 on the material blocking cover 34, the worker opens the laser generator 35 through the controller 31 to enable the laser generator to work to generate laser, laser is emitted on the cloth through the laser cutter head 33 to carry out laser cutting on the cloth, meanwhile, the motor I15 works and rotates under the control of the controller 31, the rotating shaft drives the driving wheel 16 to rotate, in addition, under the transmission action of the belt 18, the driving wheel 16 rotates to drive the driven wheel 19 to rotate, the driven wheel 19 rotates to drive the winding roller 20 to rotate, at the moment, the cloth placing roller 29 rotates to place the cloth, the cloth is tightly pressed through the cloth pressing roller 24 under the conveying action of the cloth guide roller 28, the first material conveying roller 27 and the second material conveying roller 25, so that the cloth is cut, the cut cloth is wound, in the cutting process, the material blocking cover 34 can block the splashing of the crushed materials, when the crushed materials collide the inner wall of the material blocking cover 34, the controller controls the motor II 36 to rotate and the electric telescopic push rod 47 to extend, the motor II 36 rotates to enable the movable blocks 43 sleeved on the threads on the forward screw rod 44 and the backward screw rod 45 to move forwards and, therefore, the hairbrush 48 intensively cleans the crushed aggregates, the gear 38 simultaneously moves along the upper rack 39 direction, so as to conveniently clean the inside of the material blocking cover 34, so that the crushed aggregates can conveniently fall into the collection bin 13 under the action of the self gravity, meanwhile, a worker can turn on the power supply of the material pumping machine 9 through the controller 31 to enable the material pumping machine 9 to work and rotate to generate negative pressure, the crushed aggregates collected in the collection bin 13 are pumped out through the pumping pipe 14 and are conveyed into the waste heat recoverer 6 through the feeding pipe 7, so that the collection of the crushed aggregates is realized, the crushed aggregates are prevented from splashing and being inconvenient to clean, then the worker turns on the water pump 4 through the controller 31, the water pump 4 works and rotates, the water in the water tank 3 is pumped out through a pipeline and is conveyed into one of the heat conducting blocks 62 in the waste heat recoverer 6 through the water inlet pipe 5, because the heat conducting blocks 62 are provided with four, and the water conveying pipe 61 is connected between two adjacent heat conducting blocks, absorb heat through the cold water of its inside injection through four heat conduction piece 62, form hot water after the cold water heat absorption, discharge by drain pipe 11, and the crushed aggregates after the cooling is discharged by arranging material pipe 8, and then realize the crushed aggregates cooling, reach waste heat recovery's purpose, avoid heat resources waste, the amortization baffle 30 of machine box 1 inner wall one side passes through its inside honeycomb panel 302 in addition, the transmission of the noise that produces with the separation cutting machine during operation is alleviated to foam blanket 303 and vacuum layer 304, and utilize sound in loudspeaker, the forward is enlargied, the principle of reverse amortization, eliminate the noise through falling loudspeaker 301, reach the purpose of removing dryness, prevent noise pollution.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cloth laser cutting machine with clearance function, includes quick-witted box (1), its characterized in that: the cloth feeding machine is characterized in that a support (21), a cloth pressing roller (24), a second material conveying roller (25), a first material conveying roller (27) and a cloth guide roller (28) are mounted at the upper end of the machine box body (1), a cloth placing roller (29) is arranged at one end of the machine box body (1), a protective cover (17) and a winding roller (20) are arranged at the other end of the machine box body (1), a fixed seat (22) is mounted at the middle position of the support (21), a telescopic column (32) is connected below the fixed seat (22), a laser tool bit (33) is connected below the telescopic column (32), and a material blocking cover (34) is mounted in the support (21); a cutter inlet groove (342) matched with the laser cutter head (33) is formed in the upper end of the material blocking cover (34), a cloth inlet (343) and a cloth outlet (341) are respectively formed in two sides of the material blocking cover (34), a motor II (36) is arranged in the material blocking cover (34), the motor II (36) is connected with a rotating shaft II (37), one end of the rotating shaft II (37) is connected with a forward screw rod (44), the forward screw rod (44) is connected with a connecting block (46), the connecting block (46) is connected with a reverse screw rod (45), the reverse screw rod (45) is connected to the inner wall of the material blocking cover (34) through a bearing, movable blocks (43) are sleeved on the forward screw rod (44) and the reverse screw rod (45) in a threaded manner, electric telescopic push rods (47) are connected below the movable blocks (43), and electric telescopic push rods (47) are provided with brushes (48; a collecting bin (13) is arranged below the material blocking cover (34), a waste heat recoverer (6) connected with the collecting bin (13) is arranged below the machine box body (1), a controller (31) is installed on the front surface of the machine box body (1), and the motor II (36) and the electric telescopic push rod (47) are both connected with the controller (31);

the collecting bin (13) is connected with a material pumping machine (9), a feeding pipe (7) and a material pumping pipe (14) connected with the collecting bin (13) are arranged on the material pumping machine (9), the feeding pipe (7) is connected with a waste heat recoverer (6), the waste heat recoverer (6) is connected with a water pump (4) through a water inlet pipe (5), a discharging pipe (8) is arranged at the lower end of the waste heat recoverer (6), the water pump (4) is connected with a water tank (3) through a pipeline, the water tank (3) is connected with a water feeding pipe (2), one side of the lower part of the waste heat recoverer (6) is connected with a water discharging pipe (11), and the material pumping machine (9) and the water pump (4); two heat conduction blocks (62) are respectively installed on two sides of the inner wall of the waste heat recoverer (6), the four heat conduction blocks (62) are distributed in a staggered mode in the vertical direction, a water conveying pipe (61) is connected between every two adjacent heat conduction blocks (62), and the heat conduction blocks (62) are connected with a controller (31); a sliding block (41) is connected below the second motor (36), a fixed plate (42) is connected below the sliding block (41) in a sliding manner, a gear (38) is sleeved on the second rotating shaft (37), an upper rack (39) is meshed on the gear (38), and a lower rack (40) meshed with the gear (38) is arranged on the fixed plate (42); the winding device is characterized in that a first motor (15) is arranged outside the protective cover (17), a driving wheel (16) is arranged in the protective cover (17), the first motor (15) is connected with the driving wheel (16) in a rotating mode through a first rotating shaft, a driven wheel (19) is arranged on the driving wheel (16), a belt (18) is connected between the driving wheel (16) and the driven wheel (19), the driven wheel (19) is coaxially connected with a winding roller (20), and the first motor (15) is connected with a controller (31).

2. The cloth laser cutting machine with the cleaning function according to claim 1, characterized in that: be provided with hydraulic oil tank (10) and hydraulic pump (12) of setting on hydraulic oil tank (10) in the quick-witted box (1), the internally mounted of fixing base (22) has pneumatic cylinder (26), pneumatic cylinder (26) are connected with flexible post (32), laser generator (35) are installed to flexible post (32) lower part, be connected with hydraulic pressure oil pipe (23) between pneumatic cylinder (26) and hydraulic pump (12), laser generator (35) all are connected with controller (31).

3. The cloth laser cutting machine with the cleaning function according to claim 1, characterized in that: the utility model discloses a machine box body, including quick-witted box body (1) inner wall one side, the inside intermediate position department of amortization baffle (30) is provided with vacuum layer (304), honeycomb panel (302), every are all installed to the inner wall both sides of amortization baffle (30) the inside of honeycomb panel (302) all is provided with foam blanket (303), all be the rectangle array between honeycomb panel (302) and vacuum layer (304) and install a plurality of and fall loudspeaker (301).