CN212071910U

CN212071910U - Line drawing machine

Info

Publication number: CN212071910U
Application number: CN202020138955.4U
Authority: CN
Inventors: 钟辉翔; 谢祥银; 温敬忠
Original assignee: Shanghai Electric Research Concrete Yuanhao Shaoguan Heavy Industry Technology Co ltd
Current assignee: Shanghai Electric Research Concrete Yuanhao Shaoguan Heavy Industry Technology Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-12-04
Anticipated expiration: 2030-01-21

Abstract

The utility model relates to a concrete prefab processing equipment technical field, more specifically say, it relates to a line printer, and its technical scheme main points are: the square chassis is connected with the top of the supporting rod through a bolt, two sides of the square chassis in the length direction are respectively provided with a sliding track in parallel, a portal frame is erected between the sliding tracks, a first driving device is arranged on the portal frame, the first driving device is connected with a transmission part, the transmission part is connected with the sliding tracks, based on the first driving device, the portal frame moves on the sliding tracks, and the portal frame is connected with a marking device in a sliding mode. The utility model has the advantages of marking off precision is high and work efficiency is high.

Description

Line drawing machine

Technical Field

The utility model relates to a concrete prefab processing equipment technical field, more specifically say, it relates to a line printer.

Background

With the rapid development of the prefabricated building, the prefabricated building is gradually replacing the conventional construction method, and the technology of PC (precast concrete) prefabricated parts is rapidly developed. During the production of the prefabricated member, the marking is generally required to be carried out on a target mould table according to the structural form of the prefabricated member so as to determine the positioning line of the mould and the embedded part.

And current marking off mode adopts artifical marking off more, and artifical marking off's inefficiency, and the precision is lower, hardly satisfies the production needs, and current marking off machine structure is complicated and whole size is little, if the portal frame span is too big then appear warping easily, the circumstances such as power transmission loss increase, when marking off the concrete prefabricated member in batches, need frequently transport the concrete prefabricated member, and marking off is inefficient, causes manufacturing cost too high, drags the construction progress slowly.

Therefore, a scribing machine with simple structure, convenient use and high scribing efficiency is needed to be designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a line printer has the advantage that the marking off precision is high and work efficiency is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a line marking machine, includes the bracing piece, there is square chassis at the bracing piece top through bolted connection, two sides of square chassis length direction are provided with the slip track respectively, two erect the portal frame between the slip track, be equipped with first drive arrangement on the portal frame, first drive arrangement is connected with transmission part, transmission part with the slip track connection, based on first drive arrangement, the drive the portal frame move on the slip track, sliding connection has marking device on the portal frame, the portal frame drives marking device carries out the marking operation.

In one embodiment: the sliding rail is formed by splicing a plurality of sections of short sliding rails, and the side edges of the short sliding rails are provided with adjusting screws used for keeping the plurality of sections of the short sliding rails on the same straight line.

In one embodiment: the sliding rail comprises a positive rail, side rails and side racks are respectively arranged on two side edges of the positive rail, and the positive rail, the side rails and the side racks are matched with the portal frame to drive the portal frame to move.

In one embodiment: the portal frame both sides are provided with the wheel components that the slip track is connected, wheel components includes positive gyro wheel and side roller, positive gyro wheel with positive track rolling contact, side roller with side track rolling contact.

In one embodiment: the transmission part is a transmission shaft, the head end of the transmission shaft is rotatably connected with the first driving device, the tail end of the transmission shaft is connected with a first gear, and the first gear is in rolling engagement with the side rack.

In one embodiment: and a plurality of bearing seats for supporting are arranged on the transmission shaft in a penetrating manner, and the bearing seats are connected to the portal frame through bolts.

In one embodiment: the first driving device is arranged in the middle of the portal frame, transmission shafts are connected to two sides of the first driving device, and power is transmitted to the first gears on two sides through the transmission shafts to drive the portal frame to move.

In one embodiment: the transmission shafts positioned on two sides of the first driving device are connected with speed reducers used for reducing rotating speed and improving torque.

In one embodiment: the scribing device is provided with a second driving device, the second driving device is connected with a second gear, a second rack is arranged on the portal frame, the second gear is in rolling engagement with the second rack, and the scribing device moves on the portal frame based on the engagement of the second gear and the second rack.

In one embodiment: the scribing device is provided with a pulley for reducing the load of the second driving device, a sliding rail is arranged between the second rack and the scribing device, and the pulley is in rolling contact with the sliding rail.

To sum up, the utility model discloses following beneficial effect has:

through set up the slip track on square chassis, then erect the portal frame between the slip track to be provided with slidable marking device on the portal frame, consequently marking device can carry out all-round marking off to the underneath precast concrete plane, and whole journey passes through the drive arrangement drive, labour saving and time saving and work efficiency height.

Drawings

FIG. 1 is a schematic structural view of a scribing machine according to the present embodiment;

FIG. 2 is a schematic view of a partial structure of a scribing machine according to the embodiment;

FIG. 3 is a schematic view of a partial structure of a scribing machine according to the embodiment;

fig. 4 is a schematic view of a partial structure of the scribing machine of the present embodiment.

In the figure: 1. a support bar; 2. a chassis; 3. a sliding track; 4. a gantry; 5. a first driving device; 6. a scribing device; 7. adjusting screws; 8. a drive shaft; 9. a bearing seat; 10. a speed reducer; 11. a second driving device; 12. a second gear; 13. a second rack; 14. a slide rail; 15. a pulley; 31. a short sliding track; 32. a positive track; 33. a side rail; 34. a side rack; 41. a positive roller; 42. a side roller; 43. a first gear.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a line marking machine, as shown in figure 1, includes bracing piece 1, and there is square chassis 2 at bracing piece 1 top through bolted connection, and two sides of 2 length directions on square chassis are parallel arrangement respectively have slide rail 3, have erect portal frame 4 between two slide rail 3, are equipped with first drive arrangement 5 on the portal frame 4, and first drive arrangement 5 is connected with drive disk assembly, drive disk assembly with slide rail 3 connects, and based on first drive arrangement 5, portal frame 4 moves on slide rail 3, and sliding connection has marking device 6 on portal frame 4. The span of the portal frame 4 far exceeds that of a common line drawing machine.

Through adopting above-mentioned technical scheme, through setting up slip track 3 on square chassis 2, then erect portal frame 4 between slip track 3 to be provided with slidable marking device 6 on portal frame 4, consequently marking device 6 can carry out all-round marking off to the underneath precast concrete plane, and whole journey passes through the drive arrangement drive, labour saving and time saving and work efficiency height. And, the span of portal frame 4 is far beyond general line printer, consequently can carry out the line operation to a plurality of concrete prefabricated members simultaneously, promotes work efficiency.

The sliding rail 3 is formed by splicing a plurality of short sliding rails 31, and the side edges of the plurality of short sliding rails 31 are provided with adjusting screws 7 for keeping the plurality of short sliding rails 31 on the same straight line.

Through adopting above-mentioned technical scheme, ensure that slide rail 3 is whole can level and smooth, avoid portal frame 4 to take place the circumstances such as collide with when moving on slide rail 3. The reason why the multi-stage short slide rail 31 is adopted is that the whole size of the scribing machine is large, and if a whole slide rail 3 is used, the processing difficulty is large, the manufacturing cost is high, and the bending deformation is easy to occur. Therefore, the mode of splicing the multiple sections of short sliding rails 31 is adopted, and the adjusting screws 7 are used for keeping the short sliding rails 31 on the same straight line.

The sliding rail 3 comprises a positive rail 32, and two side edges of the positive rail 32 are respectively provided with a side rail 33 and a side rack 34 which are used for being matched with the portal frame 4.

Through adopting above-mentioned technical scheme, be equipped with side track 33 and side rack 34 additional at general positive track 32 side, be used for cooperating with portal frame 4 simultaneously, guarantee portal frame 4 and move the stability of process.

The two sides of the portal frame 4 are provided with roller assemblies connected with the sliding track 3, each roller assembly comprises a positive roller 41 and a side roller 42, the positive rollers 41 are in rolling contact with the positive track 32, and the side rollers 42 are in rolling contact with the side tracks 33.

Through adopting above-mentioned technical scheme, the weight and the reduction friction that positive gyro wheel 41 and positive track 32 cooperation mainly are used for supporting portal frame 4 make portal frame 4 can smooth and easy removal, the center of side gyro wheel 42 is inwards sunken and the center of side track 33 is outside protruding, the cooperation of side gyro wheel 42 and side track 33 is used for reducing the friction, play spacing supporting role to portal frame 4 simultaneously, because portal frame 4's span is great, it warp to middle sunken easily, both can resist this deformation through the cooperation of side gyro wheel 42 and side track 33, can also be used for preventing portal frame 4 derail.

The transmission part is a transmission shaft 8, the head end of the transmission shaft 8 is rotatably connected with the first driving device 5, the tail end of the transmission shaft 8 is connected with a first gear 43, and the first gear 43 is in rolling engagement with the side rack 34.

By adopting the technical scheme, the power is transmitted through the transmission shaft 8, and then the first gear 43 and the side rack 34 are meshed for transmission, so that the portal frame 4 is driven to move.

A plurality of bearing blocks 9 for supporting are arranged on the transmission shaft 8 in a penetrating way, and the bearing blocks 9 are connected on the portal frame 4 through bolts.

Through adopting above-mentioned technical scheme, because portal frame 4 span is big, consequently the length of transmission shaft 8 is also very long, so transmission shaft 8 takes place bending deformation easily, takes place the circumstances such as card is dead in transmission process, in order to avoid above-mentioned circumstances to take place, sets up a plurality of bearing frames 9 in the middle of transmission shaft 8, under the circumstances that does not hinder transmission shaft 8 and carry out power transmission, can play the supporting role to transmission shaft 8 again, prevents its deformation.

The first driving device 5 is arranged in the middle of the portal frame 4 in the length direction, the two sides of the first driving device 5 are connected with the transmission shafts 8, and power is transmitted to the first gears 43 on the two sides through the transmission shafts 8 so as to drive the portal frame 4 to move.

Through adopting above-mentioned technical scheme, set up first drive arrangement 5 in the intermediate position, make the transmission shaft 8 of both sides keep the same length, also guaranteed simultaneously that transmission shaft 8 can not have a overlength, can guarantee that both sides atress is the same, also can guarantee simultaneously that the power loss of both sides is close, consequently the driving force of portal frame 4 both sides is the same basically, has guaranteed portal frame 4 at the stability of removal in-process, and then has guaranteed the marking precision.

The transmission shafts 8 on both sides of the first driving device 5 are connected with speed reducers 10 for reducing the rotating speed and increasing the torque.

By adopting the technical scheme, the speed reducer 10 is utilized to reduce the rotating speed of the transmission shaft 8 so as to improve the torque of the transmission shaft, the requirement on the first driving device 5 is reduced, and the use cost is reduced.

The scribing device 6 is provided with a second driving device 11, the second driving device 11 is connected with a second gear 12, the portal frame 4 is provided with a second rack 13, the second gear 12 is in rolling engagement with the second rack 13, and the scribing device 6 moves on the portal frame 4 based on the engagement of the second gear 12 and the second rack 13.

By adopting the technical scheme, the scribing device 6 moves on the portal frame 4 by utilizing the meshing of the second gear 12 and the second rack 13, the gear and rack transmission efficiency is high, the transmission is stable, and the scribing precision is ensured.

The scribing means 6 is provided with a pulley 15 for reducing the load of the second driving means 11, a slide rail 14 is provided between the second rack 13 and the scribing means 6, and the pulley 15 is in rolling contact with the slide rail 14.

By adopting the technical scheme, the pulley 15 rolls on the sliding rail 14, so that the friction force of the scribing device 6 in the moving process is reduced, meanwhile, the pulley 15 plays a supporting role, the overturning moment applied by the scribing device 6 to the second gear 12 and the second rack 13 is reduced, and the stability of the scribing device 6 in the moving process is ensured.

The first drive means 5 and the second drive means 11 are both motors. The marking device 6 comprises a charging barrel, a material spraying cylinder, a telescopic cylinder and a nozzle. The telescopic cylinder can adjust the height position of the nozzle, the paint of the charging barrel is extracted out by the material spraying cylinder, and the paint is sprayed out of the concrete prefabricated part after being atomized by the nozzle, so that the effect of marking is achieved.

The implementation principle of the embodiment is as follows: through set up slip track 3 on square chassis 2, then erect portal frame 4 between slip track 3 to be provided with slidable marking device 6 on portal frame 4, consequently marking device 6 can carry out all-round marking off to the underneath concrete prefabricated component plane, and whole journey passes through the drive arrangement drive, labour saving and time saving and work efficiency height. And, the span of portal frame 4 is far beyond general line printer, consequently can carry out the line operation to a plurality of concrete prefabricated members simultaneously, promotes work efficiency. The reason why the multi-stage short slide rail 31 is adopted is that the whole size of the scribing machine is large, and if a whole slide rail 3 is used, the processing difficulty is large, the manufacturing cost is high, and the bending deformation is easy to occur. Therefore, the mode of splicing the multiple sections of short sliding rails 31 is adopted, and the adjusting screws 7 are used for keeping the short sliding rails 31 on the same straight line. A side rail 33 and a side rack 34 are additionally arranged on the side edge of the general positive rail 32 and are used for being matched with the portal frame 4, so that the stability of the portal frame 4 in the moving process is ensured. The positive roller 41 and the positive rail 32 are matched to mainly support the weight of the portal frame 4 and reduce friction, so that the portal frame 4 can move smoothly, the center of the side roller 42 is sunken inwards, the center of the side rail 33 is protruded outwards, the side roller 42 and the side rail 33 are matched to reduce friction, and meanwhile, the portal frame 4 is limited and supported, and the portal frame 4 is large in span and easy to deform inwards, so that the deformation can be resisted through the matching of the side roller 42 and the side rail 33, and the portal frame 4 can be prevented from derailing. The power is transmitted through the transmission shaft 8, and then the first gear 43 and the side rack 34 are meshed for transmission, so that the portal frame 4 is driven to move. Because portal frame 4 span is big, consequently the length of transmission shaft 8 is also very long, so transmission shaft 8 takes place bending deformation easily, takes place the circumstances such as card is dead in transmission process, in order to avoid above-mentioned circumstances to take place, sets up a plurality of bearing frames 9 in the middle of transmission shaft 8, under the circumstances that does not hinder transmission shaft 8 and carry out power transmission, can play the supporting role to transmission shaft 8 again, prevents its deformation. The first driving device 5 is arranged in the middle, so that the transmission shafts 8 on the two sides keep the same length, and meanwhile, the transmission shafts 8 are not too long, so that the two sides can be stressed the same, and the power loss of the two sides can be ensured to be close, therefore, the driving forces on the two sides of the portal frame 4 are basically the same, the stability of the portal frame 4 in the moving process is ensured, and the scribing precision is further ensured. The speed reducer 10 is used for reducing the rotating speed of the transmission shaft 8 so as to improve the torque of the transmission shaft, reduce the requirement on the first driving device 5 and reduce the use cost. The scribing device 6 moves on the portal frame 4 by utilizing the meshing of the second gear 12 and the second rack 13, the gear and rack transmission efficiency is high, the transmission is stable, and the scribing precision is ensured. The pulley 15 rolls on the sliding rail 14, so that the friction force of the scribing device 6 in the moving process is reduced, meanwhile, the pulley 15 plays a supporting role, the overturning moment applied by the scribing device 6 to the second gear 12 and the second rack 13 is reduced, and the stability of the scribing device 6 in the moving process is ensured.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A line marking machine which is characterized in that: the scribing device comprises a supporting rod, wherein the top of the supporting rod is connected with a square chassis through a bolt, two sides of the square chassis in the length direction are respectively provided with a sliding track, a portal frame is erected between the sliding tracks, a first driving device is arranged on the portal frame, the first driving device is connected with a transmission part, the transmission part is connected with the sliding tracks, the portal frame is driven to move on the sliding tracks based on the first driving device, a scribing device is connected onto the portal frame in a sliding mode, and the portal frame drives the scribing device to perform scribing operation.

2. The line marking machine of claim 1, wherein: the sliding rail is formed by splicing a plurality of sections of short sliding rails, and the side edges of the short sliding rails are provided with adjusting screws used for keeping the plurality of sections of the short sliding rails on the same straight line.

3. A line marking machine as claimed in claim 2, wherein: the sliding rail comprises a positive rail, side rails and side racks are respectively arranged on two side edges of the positive rail, and the positive rail, the side rails and the side racks are matched with the portal frame to drive the portal frame to move.

4. A line marking machine as claimed in claim 3, wherein: the portal frame both sides are provided with the wheel components that the slip track is connected, wheel components includes positive gyro wheel and side roller, positive gyro wheel with positive track rolling contact, side roller with side track rolling contact.

5. A line marking machine as claimed in claim 3, wherein: the transmission part is a transmission shaft, the head end of the transmission shaft is rotatably connected with the first driving device, the tail end of the transmission shaft is connected with a first gear, and the first gear is in rolling engagement with the side rack.

6. The line marking machine of claim 5, wherein: and a plurality of bearing seats for supporting are arranged on the transmission shaft in a penetrating manner, and the bearing seats are connected to the portal frame through bolts.

7. The line marking machine of claim 6, wherein: the first driving device is arranged in the middle of the portal frame, transmission shafts are connected to two sides of the first driving device, and power is transmitted to the first gears on two sides through the transmission shafts to drive the portal frame to move.

8. A line marking machine as claimed in any one of claims 5 to 7 wherein: the transmission shafts positioned on two sides of the first driving device are connected with speed reducers used for reducing rotating speed and improving torque.

9. The line marking machine of claim 1, wherein: the scribing device is provided with a second driving device, the second driving device is connected with a second gear, a second rack is arranged on the portal frame, the second gear is in rolling engagement with the second rack, and the scribing device moves on the portal frame based on the engagement of the second gear and the second rack.

10. The line marking machine of claim 9, wherein: the scribing device is provided with a pulley for reducing the load of the second driving device, a sliding rail is arranged between the second rack and the scribing device, and the pulley is in rolling contact with the sliding rail.