CN116275484A

CN116275484A - Experimental device for change part surface density based on 5G

Info

Publication number: CN116275484A
Application number: CN202310329081.9A
Authority: CN
Inventors: 程立
Original assignee: Chongqing Tongfu Technology Co ltd
Current assignee: Chongqing Tongfu Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-23

Abstract

The invention discloses an experimental device for changing the surface density of a part based on 5G, which relates to the technical field of experiments for changing the surface density of the part, and comprises a sheet metal rack, wherein the top end of the sheet metal rack is fixedly connected with a cover body, a door body is arranged on the cover body, a man-machine interface is also connected to the cover body, a PLC (programmable logic controller) control device is arranged in the sheet metal rack, an electric sliding rail controlled by the PLC control device is fixedly connected to the top end of the sheet metal rack, a portal frame is connected to the electric sliding rail in a sliding manner, and a laser head is fixedly connected to the portal frame.

Description

Experimental device for change part surface density based on 5G

Technical Field

The invention relates to the technical field of experiments for changing the surface density of parts, in particular to an experimental device for changing the surface density of parts based on 5G.

Background

At present, in the experiment of changing the part surface density, soak through stretching into the part in the chemical solution, arouse blasting reaction on the part on product surface in the polymer solution through laser, change the part density, reach the purpose of subtracting the material, make the product satisfy corresponding result demand, and need adopt fixing device to fix the part when stretching into the chemical solution with the part, stretch into the part again in the chemical solution, but among the prior art, the fixed adoption to the part is fixed the part to traditional quick mount, traditional quick mount has following not enough in the utility model discloses equipment: first when fixing the part, the clamping force through between mount and the fixed plate is fixed the part, and fixed plate and mount all contact with the part, consequently have the dead angle at the soak solution, influence the surface blasting of part, the second is because the shielding of fixed plate when laser irradiation also can lead to there being the dead angle unable by the complete irradiation, also can influence the blasting on surface, consequently can influence the result of experiment through traditional fixed mode. For this purpose, we propose an experimental device for changing the surface density of a part based on 5G.

Disclosure of Invention

The invention aims to provide an experimental device for changing the surface density of a part based on 5G so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an experimental apparatus based on 5G changes part surface density, includes the panel beating frame, the top fixedly connected with of panel beating frame is in the cover body, install the door body on the cover body, just still be connected with man-machine interface on the cover body, install PLC controlling means in the panel beating frame, just the top of panel beating frame installs chemistry dissolving case and two sets of washings case in proper order, install the clearance piece in the washings case, just the top fixedly connected with of panel beating frame is by the electronic slide rail of PLC controlling means control, sliding connection has the portal frame on the electronic slide rail, fixedly connected with laser head on the portal frame, just the expansion piece is installed on the top of portal frame, the expansion end of expansion piece is connected with the link; the telescopic parts comprise two groups of cylinders which are symmetrically fixed at the top end of the portal frame, the telescopic ends of the cylinders are fixedly connected with the connecting frame, the connecting frame is fixedly connected with a limiting rod which is in sliding connection with the portal frame, the connecting frame is also fixedly connected with a thread bush which is in sliding connection with the portal frame, the thread bush is internally and spirally connected with a screw rod, and the top end of the screw rod is fixedly connected with a hand wheel; the fixing assembly is used for fixing the product, the fixing assembly is arranged on the connecting frame and comprises a collecting box, an air bag is arranged in the collecting box, a supporting frame is arranged on one side of the air bag, and the fixing assembly extrudes the product onto the supporting frame through expansion of the air bag so as to extrude and fix the product; the adsorption component is used for adsorbing products, the adsorption component is arranged in the support frame and connected with the fixing component, the adsorption component comprises a plurality of groups of suckers arranged in the support frame, and grooves matched with the suckers are formed in the support frame.

Preferably, the fixing component comprises a connecting plate fixedly connected with the connecting frame, the connecting plate is fixedly connected with the supporting frame, a cavity is formed in the connecting plate, a movable block which is connected with the connecting plate in a sliding mode is installed in the cavity, an inflation tube which extends to the inside of the collection box is connected to the movable block in a penetrating mode, the inflation tube is communicated with the air bag, the collection box is installed in the cavity and is movably connected with the connecting plate, a sealing piece is installed at the top end of the inflation tube, and an air inlet piece is communicated with the top end of the cavity.

Preferably, the air inlet piece includes with portal frame fixed connection's bracing piece, the top fixedly connected with fan housing of bracing piece, the fan housing internal rotation is connected with the wind wheel, just the through-hole has been seted up to the one end of fan housing, the other end intercommunication of fan housing has the intake pipe, the one end intercommunication of intake pipe has first hose, the one end intercommunication of first hose has the extension to connecting pipe in the cavity, just the axle center of wind wheel is connected with the driving piece.

Preferably, the driving piece comprises a shaft sleeve fixedly connected with the fan housing, a motor is fixedly connected to the top end of the shaft sleeve, a coupler is fixedly connected to the output end of the motor, a driving shaft fixedly connected with one end of the coupler is fixedly connected with the fan wheel, and the driving shaft is rotationally connected with the fan housing.

Preferably, the sealing element comprises a connecting sleeve arranged at the top end of the inflation tube, a first spring is fixedly connected in the connecting sleeve, a sealing block which is in sliding connection with the connecting sleeve is fixedly connected at the top end of the first spring, the top end of the sealing block is conical, and a moving element which is connected with the movable block is arranged on the outer surface of the connecting sleeve.

Preferably, the moving part comprises a second spring fixed in the movable block, a sliding column is fixedly connected to the top end of the second spring, a ball movably connected with the inner wall of the cavity is rotatably connected to the top end of the sliding column, a ball groove matched with the ball is formed in the inner wall of the cavity, and a connecting part connected with the connecting sleeve is connected to the outer surface of the sliding column.

Preferably, the connecting piece includes with slide bar of sliding column fixed connection, the slide bar with movable block sliding connection, just set up on the movable block with the spout of slide bar looks adaptation, the surface fixedly connected with of slide bar with adapter sleeve fixed connection's connecting rod.

Preferably, the adsorption assembly comprises a communicating pipe communicated with the fan cover, a ventilation piece is arranged in the communicating pipe, a second hose is communicated with one end of the communicating pipe, an extension pipe extending to the support frame is communicated with one end of the second hose, a gas collecting cover arranged in the support frame is communicated with one end of the extension pipe, and the gas collecting cover is communicated with the sucker.

Preferably, the ventilation member comprises a fixing plate fixed in the communicating pipe, an air vent is formed in the fixing plate, a third spring is fixedly connected to one end of the fixing plate, a sealing plate is fixedly connected to the top end of the third spring, a fixing ring fixed in the communicating pipe is movably connected to the outer surface of the sealing plate, and the sealing plate is installed close to the top end of the fixing ring.

Preferably, the cleaning piece comprises a cleaning motor and two groups of cleaning rollers which are fixed in the sheet metal rack, the two groups of cleaning rollers are respectively connected with the two groups of cleaning boxes in a rotating mode, one ends of the two groups of cleaning rollers are mutually fixedly arranged, the cleaning rollers and the cleaning motor are connected with belt pulleys, and the outer surfaces of the belt pulleys are connected with belts in a transmission mode.

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

according to the invention, the fixing assembly is arranged, so that when a part is fixed, the motor is started, and then the motor drives the wind wheel to rotate, wind force is generated through rotation of the wind wheel, so that wind force enters the cavity to increase air pressure in the cavity, the movable block is pushed to move through the action of the air pressure, the air charging pipe and the collecting box are driven to move, after the movable block moves to the bottom end of the cavity, the movable piece drives the sealing piece to move, so that the top end of the air charging pipe is opened, wind force generated by rotation of the wind wheel enters the air charging pipe into the air bag, so that the air bag is expanded, parts between the air bag and the supporting frame are extruded onto the supporting frame, the part is fixed through extrusion action of the air bag, and when the part is immersed and chemically dissolved, the part is completely immersed by the wind wheel, so that a gap exists between the part and the air bag, the chemical solution is convenient to fully soak the part, after the immersion is completed, the motor is reversed, so that the air bag and the collecting box is reset to move into the cavity, and further, the problem that the part is prevented from affecting the irradiation explosion of the laser head is solved, and the problem that the part is influenced when the traditional fixing device in the prior art is fixed.

Through being provided with the subassembly that adsorbs, consequently when blasting the part, make the wind wheel reverse rotation through the reversal of motor this moment produce the suction, and then make the sucking disc exist the suction and adsorb the part through the effect of suction, because the wind wheel reverse rotation produces the effect of suction and makes fixed subassembly reset this moment, the part is located one side of laser head and does not shelters from, does not influence the laser head to the blasting on part surface.

Through being provided with ventilative spare, consequently when fixing the spare, the wind-force that motor forward rotation produced is because ventilative spare exists and makes wind-force all get into in the cavity this moment, consequently is favorable to the quick travel of movable block and carries out quick inflation to the gasbag, improves fixed efficiency.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall internal structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the gantry and the components connected thereto;

FIG. 5 is a schematic view of the connection structure of the fixing component and the adsorbing component of the present invention;

FIG. 6 is a schematic view of a fixing assembly according to the present invention;

FIG. 7 is a schematic view of the structure of the area A in FIG. 6 according to the present invention;

FIG. 8 is a schematic view of the structure of the air intake member of the present invention;

FIG. 9 is a schematic diagram of an adsorbent assembly according to the present invention;

FIG. 10 is a schematic view of the structure of the area B in FIG. 9 according to the present invention;

FIG. 11 is a schematic view of a cleaning element according to the present invention;

fig. 12 is a schematic view of the telescopic structure of the present invention.

In the figure: 1-a sheet metal rack; 2-a cover body; 3-door body; 4-a human-computer interface; 5-PLC control device; 6-a chemical dissolving tank; 7-a cleaning box; 8-cleaning piece; 9-an electric slide rail; 10-portal frames; 11-laser head; 12-telescoping pieces; 13-a connecting frame; 14-fixing the assembly; 15-a collection box; 16-an air bag; 17-supporting frames; an 18-adsorption module; 19-sucking discs; 20-grooves; 21-connecting plates; 22-cavity; 23-movable block; 24-an inflation tube; 25-seals; 26-an air intake; 27-supporting rods; 28-a fan housing; 29-wind wheel; 30-through holes; 31-an air inlet pipe; 32-a first hose; 33-connecting pipes; 34-a driving member; 35-shaft sleeve; 36-motor; a 37-coupling; 38-a drive shaft; 39-connecting sleeve; 40-a first spring; 41-sealing blocks; 42-moving member; 43-a second spring; 44-sliding column; 45-rolling balls; 46-ball grooves; 47-connectors; 48-slide bar; 49-a chute; 50-connecting rods; 51-communicating pipe; 52-a breathable member; 53-a second hose; 54-extension tube; 55-gas collecting hood; 56-fixing sheets; 57-ventilation holes; 58-a third spring; 59-sealing sheets; 60-cleaning a motor; 61-cleaning rollers; 62-belt pulley; 63-a belt; 64-cylinder; 65-limiting rods; 66-thread sleeve; 67-screw rod; 68-a hand wheel; 69-fixing ring.

Description of the embodiments

The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-12, the present invention provides a technical solution: the utility model provides an experimental device based on 5G changes part surface density, includes panel beating frame 1, the top fixedly connected with of panel beating frame 1 is in the cover body 2, install the door body 3 on the cover body 2, just still be connected with man-machine interface 4 on the cover body 2, install PLC controlling means 5 in the panel beating frame 1, just the top of panel beating frame 1 installs chemistry in proper order and dissolves case 6 and two sets of washs case 7, install the clearance piece in the washs case 7, just the top fixedly connected with of panel beating frame 1 is by the electronic slide rail 9 of PLC controlling means 5 control, sliding connection has portal frame 10 on the electronic slide rail 9, fixedly connected with laser head 11 on the portal frame 10, just the extensible member 12 is installed on the top of portal frame 10, the extensible terminal of extensible member 12 is connected with link 13; the telescopic part 12 comprises two groups of air cylinders 64 symmetrically fixed at the top end of the portal frame 10, the telescopic ends of the air cylinders 64 are fixedly connected with the connecting frame 13, a limiting rod 65 which is in sliding connection with the portal frame 10 is fixedly connected with the connecting frame 13, a threaded sleeve 66 which is in sliding connection with the portal frame 10 is fixedly connected with the connecting frame 13, a screw rod 67 is connected with the threaded sleeve 66 in an internal thread manner, and the top end of the screw rod 67 is fixedly connected with a hand wheel 68; the fixing assembly 14 is used for fixing the product, the fixing assembly 14 is arranged on the connecting frame 13, the fixing assembly 14 comprises a collecting box 15, an air bag 16 is arranged in the collecting box 15, a supporting frame 17 is arranged on one side of the air bag 16, and the fixing assembly 14 presses the product onto the supporting frame 17 through expansion of the air bag 16 so as to press and fix the product; the fixing assembly 14 comprises a connecting plate 21 fixedly connected with the connecting frame 13, the connecting plate 21 is fixedly connected with the supporting frame 17, a cavity 22 is formed in the connecting plate 21, a movable block 23 which is slidably connected with the connecting plate 21 is installed in the cavity 22, an inflation tube 24 which extends into the collecting box 15 is connected to the movable block 23 in a penetrating manner, the inflation tube 24 is communicated with the air bag 16, the collecting box 15 is installed in the cavity 22 and is movably connected with the connecting plate 21, a sealing piece 25 is installed at the top end of the inflation tube 24, and an air inlet piece 26 is communicated with the top end of the cavity 22; the adsorption assembly 18 is used for adsorbing the product, the adsorption assembly 18 is arranged in the support frame 17 and is connected with the fixing assembly 14, the adsorption assembly 18 comprises a plurality of groups of suckers 19 arranged in the support frame 17, and the support frame 17 is provided with a groove 20 matched with the suckers 19; the adsorption assembly 18 comprises a communicating pipe 51 communicated with the fan housing 28, a ventilation member 52 is installed in the communicating pipe 51, one end of the communicating pipe 51 is communicated with a second hose 53, one end of the second hose 53 is communicated with an extension pipe 54 extending into the supporting frame 17, one end of the extension pipe 54 is communicated with a gas-collecting cover 55 installed in the supporting frame 17, and the gas-collecting cover 55 is communicated with the suction cup 19.

The air inlet piece 26 comprises a supporting rod 27 fixedly connected with the portal frame 10, the top end of the supporting rod 27 is fixedly connected with a fan housing 28, a wind wheel 29 is rotationally connected with the fan housing 28, a through hole 30 is formed in one end of the fan housing 28, an air inlet pipe 31 is communicated with the other end of the fan housing 28, one end of the air inlet pipe 31 is communicated with a first hose 32, one end of the first hose 32 is communicated with a connecting pipe 33 extending into the cavity 22, and the axis of the wind wheel 29 is connected with a driving piece 34; the driving piece 34 comprises a shaft sleeve 35 fixedly connected with the fan housing 28, a motor 36 is fixedly connected to the top end of the shaft sleeve 35, a coupler 37 is fixedly connected to the output end of the motor 36, a driving shaft 38 fixedly connected with the fan housing 29 is fixedly connected to one end of the coupler 37, and the driving shaft 38 is rotatably connected with the fan housing 28.

The sealing element 25 comprises a connecting sleeve 39 arranged at the top end of the inflation tube 24, a first spring 40 is fixedly connected in the connecting sleeve 39, a sealing block 41 which is in sliding connection with the connecting sleeve 39 is fixedly connected at the top end of the first spring 40, the top end of the sealing block 41 is conical, and a moving element 42 which is connected with the movable block 23 is arranged on the outer surface of the connecting sleeve 39; the moving member 42 includes a second spring 43 fixed in the movable block 23, a sliding column 44 is fixedly connected to the top end of the second spring 43, a ball 45 movably connected to the inner wall of the cavity 22 is rotatably connected to the top end of the sliding column 44, a ball groove 46 adapted to the ball 45 is formed on the inner wall of the cavity 22, and a connecting member 47 connected to the connecting sleeve 39 is connected to the outer surface of the sliding column 44; the connecting piece 47 comprises a sliding rod 48 fixedly connected with the sliding column 44, the sliding rod 48 is in sliding connection with the movable block 23, a sliding groove 49 matched with the sliding rod 48 is formed in the movable block 23, and a connecting rod 50 fixedly connected with the connecting sleeve 39 is fixedly connected to the outer surface of the sliding rod 48.

The ventilation member 52 comprises a fixing plate 56 fixed in the communicating pipe 51, an air vent 57 is formed in the fixing plate 56, a third spring 58 is fixedly connected to one end of the fixing plate 56, a sealing plate 59 is fixedly connected to the top end of the third spring 58, a fixing ring 69 fixed in the communicating pipe 51 is movably connected to the outer surface of the sealing plate 59, and the sealing plate 59 is installed close to the top end of the fixing ring 69.

The cleaning piece 8 comprises a cleaning motor 60 and two groups of cleaning rollers 61 which are fixed in the sheet metal rack 1, the two groups of cleaning rollers 61 are respectively connected with the two groups of cleaning boxes 7 in a rotating mode, one ends of the two groups of cleaning rollers 61 are mutually fixed, belt pulleys 62 are connected to the cleaning rollers 61 and the cleaning motor 60, and belts 63 are connected to the outer surfaces of the belt pulleys 62 in a transmission mode.

When the experiment for changing the surface density of the part is carried out, the part is placed on one side of the supporting frame 17 with the suction disc 19, at the moment, the motor 36 drives the coupler 37 to rotate and drives the driving shaft 38 to rotate and further drives the wind wheel 29 to rotate, so that wind force generated by the rotation of the wind wheel 29 can enter the air inlet pipe 31 and the communicating pipe 51, and the wind force can not be continuously discharged after entering the communicating pipe 51 because the ventilating piece 52 is arranged in the communicating pipe 51, and the wind force can enter the air inlet pipe 31 completely, so that the air pressure in the cavity 22 is increased under the action of the first hose 32 and the connecting pipe 33, the movable block 23 is pushed to move under the action of the air pressure, the air charging pipe 24 and the sealing piece 25 are driven to move, and after the movable block 23 moves to the end position, the collecting box 15 drives the air bag 16 to move to one side of the part at this time, when the movable block 23 moves to the end position of the cavity 22, the balls 45 slide into the ball grooves 46 at this time, so that the balls 45 drive the sliding columns 44 to move forward, drive the sliding rods 48 to move forward, drive the connecting rods 50 to move forward, and drive the connecting sleeves 39 to move, so that the sealing block 41 is driven to move, so that the top end of the air charging tube 24 is opened (the bottom end of the sealing block 41 is tapered, so that the sliding of the sealing block 41 is not influenced), in the initial state, the balls 45 are contracted in the movable block 23, and the sealing block 41 is positioned in the air charging tube 24, after the balls 45 slide into the ball grooves 46, the balls 45 move outwards, so that the connecting sleeves 39 are pulled to move, the bottom end of the sealing block 41 is tapered, so that the sliding of the sealing block 41 is not influenced), after the top end of the air charging tube 24 is opened, at this time, the continuous transportation of wind force is generated, and then wind power enters the air bag 16 through the air charging pipe 24 to expand the air bag 16, so that the air bag 16 extrudes the parts on the supporting frame 17 to fix the parts, the connecting frame 13 is driven to move through the action of the air cylinder 64, the fixing component 14 is driven to move, the parts fixed in the fixing component 14 are further driven to move into the chemical dissolution tank 6 to soak the parts, in the process, the screw rod 67 is driven to rotate through the rotation of the hand wheel 68, the threaded sleeve 66 is driven to move, fine adjustment is carried out on the positions of the parts, after the parts enter completely, the motor 36 stops running, the air bag 16 contracts to enable gaps to exist between the parts and the air bag 16 and the supporting frame 17, so that no dead angle soaking of the parts is facilitated, after the soaking is finished, the motor 36 runs to expand the air bag 16 to fix the parts again, at this time, the air cylinder 64 moves reversely to drive the part to return to the irradiation position of the laser head 11, the motor 36 rotates reversely, so that the wind wheel 29 rotates reversely, suction force is generated when the wind wheel 29 rotates reversely, the air bag 16 starts to shrink, the movable block 23 moves reversely under the action of negative pressure, so that the collecting box 15 moves and returns to the cavity 22, meanwhile, the suction force generated by the wind wheel 29 rotates reversely, the ventilation piece 52 moves, the communication pipe 51 is communicated with the fan housing 28 and the second hose 53, so that the suction force enters the suction cup 19, the part is adsorbed under the action of the suction cup 19, the part is prevented from falling, no dead angle is generated on the surface of the part due to no shielding on the front side of the part, after the blasting is finished, the portal frame 10 is controlled to move through the electric sliding rail 9, the part moves to the top end of the cleaning box 7, at this time, the air cylinder 64 is started to move the parts into the cleaning tank 7 to clean the parts, the first cleaning is performed by alcohol cleaning, the second cleaning is performed by water cleaning, the cleanliness of the parts is ensured, and the cleaning roller 61 is driven to rotate by the cleaning motor 60 to improve the cleaning efficiency (specifically, when the wind wheel 29 generates wind force, the sealing piece 59 is installed at the top end of the fixed ring 69 and is far away from the bottom end, the wind force enters the air inlet pipe and is insufficient to push the sealing piece 59 away from the bottom end of the fixed ring 69, the communication pipe 51 and the second hose 53 are not communicated, after the air bag 16 is inflated, the air cannot be continuously received in the air inlet pipe 31, therefore, the air at this time fully enters the communicating pipe 51, and the wind force at this time is enough to push the sealing sheet 59 to move away from the bottom end of the fixed ring 69, so that the communicating pipe 51 is communicated with the second hose 53, and the wind force is blown out from the gap between the suction cup 19 and the surface of the part, so that the circulation of the air is ensured, and the wind wheel 29 is reversed to generate suction force, at this time, the sealing sheet 59 is positioned at the top end of the fixed ring 69, so that the sealing sheet 59 is easily adsorbed away from the fixed ring 69, so that the communicating pipe 51 is communicated with the second hose 53), and the experimental device controls the start and stop of the cleaning motor 60, the air cylinder 64 and the motor 36 through the PLC control device 5.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Experimental device for change part surface density based on 5G, characterized by, include:

the metal plate machine comprises a metal plate machine frame (1), wherein the top end of the metal plate machine frame (1) is fixedly connected with a cover body (2), a door body (3) is installed on the cover body (2), a human-computer interface (4) is further connected to the cover body (2), a PLC (programmable logic controller) control device (5) is installed in the metal plate machine frame (1), a chemical dissolving box (6) and two groups of cleaning boxes (7) are sequentially installed at the top end of the metal plate machine frame (1), cleaning pieces are installed in the cleaning boxes (7), an electric sliding rail (9) controlled by the PLC control device (5) is fixedly connected to the top end of the metal plate machine frame (1), a portal frame (10) is connected to the electric sliding rail (9) in a sliding mode, a laser head (11) is fixedly connected to the portal frame (10), a telescopic piece (12) is installed at the top end of the portal frame (10), and a connecting frame (13) is connected to the telescopic end of the telescopic piece (12).

The telescopic parts (12) comprise two groups of cylinders (64) symmetrically fixed at the top end of the portal frame (10), the telescopic ends of the cylinders (64) are fixedly connected with the connecting frame (13), a limiting rod (65) which is in sliding connection with the portal frame (10) is fixedly connected to the connecting frame (13), a threaded sleeve (66) which is in sliding connection with the portal frame (10) is fixedly connected to the connecting frame (13), a screw rod (67) is connected to the threaded sleeve (66) in an internal thread manner, and the top end of the screw rod (67) is fixedly connected to a hand wheel (68);

further comprises:

the fixing assembly (14) is used for fixing the product, the fixing assembly (14) is arranged on the connecting frame (13), the fixing assembly (14) comprises a collecting box (15), an air bag (16) is arranged in the collecting box (15), a supporting frame (17) is arranged on one side of the air bag (16), and the fixing assembly (14) extrudes the product onto the supporting frame (17) through expansion of the air bag (16) so as to extrude and fix the product;

the adsorption component (18) is used for adsorbing products, the adsorption component (18) is installed in the support frame (17) and is connected with the fixing component (14), the adsorption component (18) comprises a plurality of groups of suckers (19) installed in the support frame (17), and grooves (20) matched with the suckers (19) are formed in the support frame (17).

2. An experimental apparatus for changing the surface density of a part based on 5G according to claim 1, wherein: the utility model provides a fixed subassembly (14) include with connecting plate (21) of link (13) fixed connection, connecting plate (21) with support frame (17) fixed connection, just offer cavity (22) in connecting plate (21), install in cavity (22) with movable block (23) of connecting plate (21) sliding connection, through-connection has on movable block (23) to extend to gas tube (24) in collecting box (15), gas tube (24) with gasbag (16) intercommunication sets up, just collecting box (15) install in cavity (22) and with connecting plate (21) swing joint, just sealing member (25) are installed on the top of gas tube (24), the top intercommunication of cavity (22) has inlet (26).

3. An experimental apparatus for changing the surface density of a part based on 5G according to claim 2, wherein: the utility model provides a portal frame, including portal frame (10) fixed connection's bracing piece (27), the top fixedly connected with fan housing (28) of bracing piece (27), fan housing (28) internal rotation is connected with wind wheel (29), just through-hole (30) have been seted up to one end of fan housing (28), the other end intercommunication of fan housing (28) has intake pipe (31), the one end intercommunication of intake pipe (31) has first hose (32), the one end intercommunication of first hose (32) has and extends to connecting pipe (33) in cavity (22), just the axle center of wind wheel (29) is connected with driving piece (34).

4. A 5G-based part surface density modification experiment apparatus according to claim 3, wherein: the driving piece (34) comprises a shaft sleeve (35) fixedly connected with the fan housing (28), a motor (36) is fixedly connected to the top end of the shaft sleeve (35), a coupler (37) is fixedly connected to the output end of the motor (36), a driving shaft (38) fixedly connected with the fan housing (29) is fixedly connected to one end of the coupler (37), and the driving shaft (38) is rotatably connected with the fan housing (28).

5. The experimental apparatus for 5G-based surface density modification of a part of claim 4, wherein: the sealing element (25) comprises a connecting sleeve (39) arranged at the top end of the inflation tube (24), a first spring (40) is fixedly connected in the connecting sleeve (39), a sealing block (41) which is in sliding connection with the connecting sleeve (39) is fixedly connected to the top end of the first spring (40), the top end of the sealing block (41) is conical, and a moving element (42) which is connected with the movable block (23) is arranged on the outer surface of the connecting sleeve (39).

6. The experimental set-up of claim 5, wherein the surface density of the part is modified based on 5G, wherein: the movable part (42) comprises a second spring (43) fixed in the movable block (23), a sliding column (44) is fixedly connected to the top end of the second spring (43), a ball (45) movably connected with the inner wall of the cavity (22) is rotatably connected to the top end of the sliding column (44), a ball groove (46) matched with the ball (45) is formed in the inner wall of the cavity (22), and a connecting piece (47) connected with the connecting sleeve (39) is connected to the outer surface of the sliding column (44).

7. The experimental set-up of claim 6, wherein the surface density of the part is modified based on 5G, wherein: the connecting piece (47) comprises a sliding rod (48) fixedly connected with the sliding column (44), the sliding rod (48) is in sliding connection with the movable block (23), a sliding groove (49) matched with the sliding rod (48) is formed in the movable block (23), and a connecting rod (50) fixedly connected with the connecting sleeve (39) is fixedly connected to the outer surface of the sliding rod (48).

8. The experimental set-up of claim 7, wherein the surface density of the part is modified based on 5G, wherein: the adsorption component (18) comprises a communicating pipe (51) communicated with the fan housing (28), a ventilation piece (52) is arranged in the communicating pipe (51), a second hose (53) is communicated with one end of the communicating pipe (51), an extension pipe (54) extending into the supporting frame (17) is communicated with one end of the second hose (53), a gas collecting cover (55) arranged in the supporting frame (17) is communicated with one end of the extension pipe (54), and the gas collecting cover (55) is communicated with the sucker (19).

9. The experimental set-up for 5G-based modification of the surface density of a part of claim 8, wherein: the ventilation piece (52) comprises a fixing piece (56) fixed in the communicating pipe (51), an air vent (57) is formed in the fixing piece (56), one end of the fixing piece (56) is fixedly connected with a third spring (58), the top end of the third spring (58) is fixedly connected with a sealing piece (59), the outer surface of the sealing piece (59) is movably connected with a fixing ring (69) fixed in the communicating pipe (51), and the sealing piece (59) is close to the top end of the fixing ring (69).

10. The experimental set-up for 5G-based modification of the surface density of a part of claim 9, wherein: cleaning piece (8) including be fixed in wash motor (60) and two sets of washing gyro wheel (61) in panel beating frame (1), two sets of wash gyro wheel (61) respectively with two sets of wash case (7) rotate and connect, and two sets of wash gyro wheel (61) one end mutual fixed setting, just wash gyro wheel (61) with all be connected with belt pulley (62) on wash motor (60), the surface transmission of belt pulley (62) is connected with belt (63).