CN110883641A

CN110883641A - Edge grinding device of hollow blow-molded desk and chair

Info

Publication number: CN110883641A
Application number: CN201911244306.0A
Authority: CN
Inventors: 尧海龙
Original assignee: Hailong Education Equipment Group Co ltd
Current assignee: Hailong Education Equipment Group Co ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-03-17
Anticipated expiration: 2039-12-06
Also published as: CN110883641B

Abstract

The invention relates to a polishing device, in particular to an edge polishing device for a hollow blow-molded desk and chair. The technical problem to be solved is to provide an edge polishing device for hollow blow-molding desks and chairs, which can automatically polish the hollow blow-molding desks and chairs and improve the polishing speed. An edge polishing device for a hollow blow molding desk and chair comprises a rack, a top plate, a limiting plate, a transverse pushing assembly, an accelerating assembly, a polishing assembly, a front and back pushing assembly and the like; the frame top is equipped with the roof, and two portions all opened a word hole around the roof, and the roof right part is equipped with the limiting plate, installs in the frame and provides power through the motor and carry out the horizontal subassembly that promotes that transversely promotes. According to the invention, through the matching of the transverse pushing assembly, the accelerating assembly, the grinding assembly and the front and rear pushing assemblies, a worker only needs to push the tabletop to move backwards, and the comprehensive grinding of the tabletop can be completed.

Description

Edge grinding device of hollow blow-molded desk and chair

Technical Field

The invention relates to a polishing device, in particular to an edge polishing device for a hollow blow-molded desk and chair.

Background

The generation of the concept of desk and chair has an inseparable relationship with education, when the education is gradually developed to one-to-many group education from a one-to-one mode with vades by teachers, teachers gradually get rid of the vades with simple vades to move to more specialization, the education also gradually forms an industry, in the current world, the education further refers to an abnormal height, and the education is also at the root of China. A hollow blow-molded desk and chair is a common desk and chair, and when the desk and chair tabletop is extruded and molded, the edges of the desk and chair tabletop need to be polished smoothly.

At present, when the tabletop of a desk or chair is polished, a user holds the tabletop with hands, and then polishes the edge of the tabletop on a rotating polishing block.

Therefore, the edge grinding device of the hollow blow molding desk and chair can automatically grind the hollow blow molding desk and chair and improve the grinding speed.

Disclosure of Invention

In order to overcome the defects that the direction of the desktop needs to be continuously changed for polishing, the desktop is very troublesome and the time consumption is long in the existing desktop polishing mode, the technical problems to be solved are as follows: the edge grinding device of the hollow blow-molding desk and chair can automatically grind the hollow blow-molding desk and chair and improve the grinding speed.

The technical scheme of the invention is as follows: the utility model provides an edge grinding device of cavity blowing desk chair, including: a frame; the top plate is arranged at the top of the rack, and the front part and the rear part of the top plate are both provided with straight holes; the limiting plate is arranged at the right part of the top plate; the transverse pushing assembly is arranged in the rack and used for providing power to transversely push through a motor; the accelerating component is arranged between the rack and the transverse pushing component; the polishing assembly is arranged on the rack and is used for polishing in a rotating mode; the front and back pushing assembly is arranged on the right side of the bottom of the top plate and moves back and forth in a pushing mode.

As a further preferred scheme, the transverse pushing assembly comprises a speed reducing motor, a rotary drum, a conveying belt and pushing blocks, the speed reducing motor is arranged on the left side of the top of the rack, the rotary drums are rotatably arranged on the left side and the right side of the rack, the rotary drum on the left side is connected with an output shaft of the speed reducing motor, the conveying belt is wound between the rotary drums on the left side and the right side, and the pushing blocks are symmetrically arranged on the left side and the right side of.

As a further preferred scheme, the acceleration component comprises a rack belt, a first rotating shaft, a large gear, second rotating shafts and small gears, the rack belt is arranged on the conveying belt, the first rotating shaft is arranged in the middle of the rack in a rotating mode through a bearing seat, the top end of the first rotating shaft is connected with the large gear, the large gear is meshed with the rack belt, the three second rotating shafts are arranged in the front of the rack in a rotating mode through the bearing seat, the second rotating shaft is arranged in the rear of the rack in a rotating mode through the bearing seat, and the small gears meshed with the large gears are arranged on the.

As a further preferred scheme, the polishing assembly comprises a polishing wheel, a first belt pulley and a first flat belt, the top end of the second rotating shaft is connected with the polishing wheel, the polishing wheel penetrates through the top plate, the second rotating shaft is provided with the first belt pulley, and the first flat belt is wound between the first belt pulleys.

As further preferred scheme, promote the subassembly including the connecting rod, place board, mounting panel and slide bar around, roof bottom right side bilateral symmetry is equipped with the connecting rod, and the connecting rod top all is equipped with places the board, is connected with the mounting panel between the connecting rod, and the gliding style is equipped with the slide bar on the mounting panel.

As a further preferred scheme, the gear rack type sliding rack further comprises a straight rack, a third rotating shaft, a second belt pulley, a second flat belt and a gear lack, wherein the straight rack is arranged at the top end of each sliding rod, the rear side of each mounting plate is rotatably connected with the third rotating shaft through a bearing seat, the second belt pulleys are arranged on the third rotating shaft and the first rotating shaft, the second flat belt is wound between the second belt pulleys, the gear lack is arranged on the third rotating shaft, and the gear lack is meshed with the straight rack.

Compared with the prior art, the invention has the following advantages: according to the invention, through the matching of the transverse pushing assembly, the accelerating assembly, the grinding assembly and the front and rear pushing assemblies, a worker only needs to push the tabletop to move backwards to finish the comprehensive grinding of the tabletop, and meanwhile, when the gear lacking rotates to be meshed with the right spur rack, the tabletop moves backwards to perform the grinding of the left side and the right side, and when the gear lacking rotates to be meshed with the left spur rack, the sliding rod is driven to move forwards to reset. So, can promote the desktop automatically and polish, improve the degree of automation of equipment.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic view of a first partial body structure according to the present invention.

FIG. 3 is a schematic view of a second partial body structure according to the present invention.

Fig. 4 is a schematic perspective view of the present invention a.

Fig. 5 is a schematic perspective view of the present invention B.

Wherein: 1. the automatic grinding machine comprises a rack, 2 parts of a top plate, 3 parts of a straight hole, 4 parts of a limiting plate, 5 parts of a speed reducing motor, 6 parts of a rotary drum, 7 parts of a conveying belt, 8 parts of a push block, 9 parts of a rack belt, 10 parts of a first rotary shaft, 11 parts of a large gear, 12 parts of a second rotary shaft, 13 parts of a small gear, 14 parts of a grinding wheel, 15 parts of a first belt pulley, 16 parts of a first flat belt, 17 parts of a connecting rod, 18 parts of a placing plate, 19 parts of a mounting plate, 20 parts of a sliding rod, 21 parts of a straight rack, 22 parts of a third rotary shaft, 23 parts of a second belt pulley, 24 parts of a.

Detailed Description

It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.

Example 1

The utility model provides an edge grinding device of cavity blowing desk chair, as figure 1, 2, 3 and 4 are shown, including frame 1, roof 2, limiting plate 4, transversely promote the subassembly, the subassembly with higher speed, the subassembly promotes the subassembly around polishing the subassembly, frame 1 top is equipped with roof 2, roof 2 front and back two portions have all been opened a

straight line hole

3, 2 right parts of roof are equipped with limiting plate 4, install in the frame 1 and provide the horizontal subassembly that promotes that power carries out horizontal promotion through the motor, be equipped with the subassembly with higher speed of mutually supporting between frame 1 and the horizontal subassembly that promotes, be equipped with the subassembly of polishing that polishes through the rotation mode in the

frame

1, 2 bottom right sides of roof are equipped with and promote the subassembly through promoting the front and back that the mode carried out the.

As shown in fig. 1, 2 and 3, the horizontal pushing assembly comprises a speed reduction motor 5, a rotary drum 6, a conveying belt 7 and a pushing block 8, the speed reduction motor 5 is fixedly connected to the left side of the top of the rack 1 through bolts, the rotary drums 6 are arranged on the left side and the right side of the rack 1 in a rotating mode through bearing seats, the rotary drum 6 on the left side is connected with an output shaft of the speed reduction motor 5, the conveying belt 7 is wound between the rotary drums 6 on the left side and the right side, and the pushing block 8 is symmetrically arranged on the left.

As shown in fig. 1, 2, 3 and 5, the acceleration component includes rack belt 9, first axis of rotation 10, gear wheel 11, second axis of rotation 12 and pinion 13, be equipped with rack belt 9 on the conveyer belt 7, frame 1 middle part is equipped with first axis of rotation 10 through the bearing frame rotary type, first axis of rotation 10 top key-type is connected with gear wheel 11, gear wheel 11 meshes with rack belt 9, frame 1 front portion is equipped with three second axis of rotation 12 through the bearing frame rotary type, frame 1 rear portion is equipped with a second axis of rotation 12 through the bearing frame rotary type, key connection has pinion 13 with gear wheel 11 meshing on the second axis of rotation 12 of front side left side.

As shown in fig. 1, 3 and 5, the grinding assembly includes a grinding wheel 14, a first belt pulley 15 and a first flat belt 16, the grinding wheel 14 is connected to the top end of the second rotating shaft 12, the grinding wheel 14 penetrates through the top plate 2, the first belt pulleys 15 are connected to the second rotating shaft 12 in a key manner, and the first flat belt 16 is wound between the first belt pulleys 15.

As shown in fig. 4 and 5, the front and rear pushing assembly comprises a connecting rod 17, a placing plate 18, a mounting plate 19 and a sliding rod 20, the connecting rod 17 is welded on the right side of the bottom of the top plate 2 in a bilateral symmetry manner, the placing plate 18 is fixedly connected to the top end of the connecting rod 17 through screws, the mounting plate 19 is fixedly connected between the connecting rods 17 through screws, and the sliding rod 20 is slidably arranged on the mounting plate 19.

The specific operation mode of the above embodiment: when needs use this equipment to carry out polishing of desktop, at first control horizontal promotion subassembly begins work, drive the subassembly of polishing and begin work through subassembly with higher speed, then the user places the desktop in the front on the back promotes the subassembly, promote the subassembly through the front and back and drive the desktop and remove backward, polish to both sides about the desktop through the subassembly of polishing, both sides polish the back that finishes about the desktop, horizontal promotion subassembly promotes the desktop and removes left, both sides polish to the front and back of desktop through the subassembly of polishing, the desktop polish the back that finishes, the desktop that finishes is taken off the desktop that finishes of polishing. And then, polishing the rest of the tabletop again, and controlling the transverse pushing assembly to stop working after the tabletop is polished.

When needs are polished to the desktop, at first control gear motor 5 anticlockwise rotation, drive 6 anticlockwise rotations of rotary drum, thereby drive conveyer belt 7 conveying left, conveyer belt 7 triggers with higher speed the subassembly and begins work, make the subassembly of polishing begin work, when finishing, the back of polishing both sides about the desktop and entering into roof 2 tops, conveyer belt 7 drives ejector pad 8 and moves left, a word hole 3 is worn out to ejector pad 8, promote the desktop and move left, both sides are polished around the desktop, the desktop is polished and is finished the back, control gear motor 5 stop work.

When the conveyer belt 7 rotates, drive rack area 9 and rotate, and then drive gear wheel 11 and rotate to drive pinion 13 and rotate with higher speed, make the second axis of rotation 12 of front side left side rotate with higher speed, so make the subassembly of polishing rotate with higher speed, polish the desktop.

When the second rotating shaft 12 on the left side of the front side rotates, the other second rotating shafts 12 are driven to rotate by the first belt pulley 15 and the first flat belt 16, so that the grinding wheel 14 rotates, and thus when the edge of the table top contacts with the grinding wheel 14, the grinding wheel 14 can grind the table top.

When the left side and the right side of the desktop are required to be polished, the desktop is placed above the placing plate 18, then the sliding rod 20 is pushed to move backwards to drive the desktop to move backwards, when the desktop moves backwards to be in contact with the polishing wheel 14, the polishing wheel 14 polishes the left side and the right side of the desktop, and after the left side and the right side of the desktop are polished, the sliding rod 20 is pushed forwards to reset.

Example 2

On the basis of embodiment 1, as shown in fig. 4 and 5, in order to improve the automation degree of the device, the device further comprises a spur rack 21, a third rotating shaft 22, a second pulley 23, a second flat belt 24 and a missing gear 25, the spur rack 21 is welded on the top end of the slide rod 20, the third rotating shaft 22 is rotatably connected to the rear side of the mounting plate 19 through a bearing seat, the second pulley 23 is connected to the third rotating shaft 22 and the first rotating shaft 10 in a key-connected manner, the second flat belt 24 is wound between the second pulleys 23, the missing gear 25 is connected to the third rotating shaft 22 in a key-connected manner, and the missing gear 25 is meshed with the spur rack 21.

The specific operation mode of the above embodiment: when first axis of rotation 10 rotates, drive through second belt pulley 23 and second flat belt 24 and lack gear 25 anticlockwise rotation, lack gear 25 rotate to with the right side spur rack 21 meshing when, drive slide bar 20 backward movement for the desktop backward movement is controlled both sides and is polished, when lacking gear 25 rotate to with left spur rack 21 meshing, drive slide bar 20 forward movement and reset, so, can promote the desktop automatically and polish, the degree of automation of equipment has been improved.

The present application is described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. The utility model provides an edge grinding device of cavity blowing desk chair which characterized in that, including:

a frame (1);

the top plate (2) is arranged at the top of the rack (1), and the front part and the rear part of the top plate (2) are provided with straight holes (3);

the limiting plate (4) is arranged at the right part of the top plate (2);

the transverse pushing assembly is arranged in the rack (1) and is used for providing power to transversely push by a motor;

the accelerating component is arranged between the rack (1) and the transverse pushing component;

the grinding assembly is arranged on the rack (1) and is used for grinding in a rotating mode;

the front and back pushing assembly is arranged on the right side of the bottom of the top plate (2) and moves front and back in a pushing mode.

2. The edge grinding device for the hollow blow-molded desk and chair according to claim 1, wherein the transverse pushing assembly comprises a speed reducing motor (5), a rotating drum (6), a conveyor belt (7) and pushing blocks (8), the speed reducing motor (5) is arranged on the left side of the top of the rack (1), the rotating drums (6) are rotatably arranged on the left side and the right side of the rack (1), the rotating drum (6) on the left side is connected with an output shaft of the speed reducing motor (5), the conveyor belt (7) is wound between the rotating drums (6) on the left side and the right side, and the pushing blocks (8) are symmetrically arranged on the left side and the right side of the conveyor belt (.

3. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 2, wherein the acceleration assembly comprises a rack (9), a first rotating shaft (10), a gearwheel (11), a second rotating shaft (12) and a pinion (13), the rack (9) is arranged on the conveyor belt (7), the first rotating shaft (10) is arranged in the middle of the rack (1) through a bearing seat in a rotating manner, the gearwheel (11) is connected to the top end of the first rotating shaft (10), the gearwheel (11) is meshed with the rack (9), three second rotating shafts (12) are arranged in the front of the rack (1) through a bearing seat in a rotating manner, the second rotating shaft (12) is arranged in the rear of the rack (1) through a bearing seat in a rotating manner, and the pinion (13) meshed with the gearwheel (11) is arranged on the second rotating shaft (12) on the left side.

4. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 3, wherein the grinding assembly comprises a grinding wheel (14), a first belt pulley (15) and a first flat belt (16), the grinding wheel (14) is connected to the top end of the second rotating shaft (12), the grinding wheel (14) penetrates through the top plate (2), the first belt pulley (15) is arranged on each second rotating shaft (12), and the first flat belt (16) is wound between the first belt pulleys (15).

5. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 4, wherein the front and rear pushing assembly comprises connecting rods (17), placing plates (18), mounting plates (19) and sliding rods (20), the connecting rods (17) are symmetrically arranged on the left and right sides of the bottom of the top plate (2), the placing plates (18) are arranged at the top ends of the connecting rods (17), the mounting plates (19) are connected between the connecting rods (17), and the sliding rods (20) are slidably arranged on the mounting plates (19).

6. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 3, further comprising a spur rack (21), a third rotating shaft (22), a second pulley (23), a second flat belt (24) and a gear lacking bar (25), wherein the spur rack (21) is arranged at the top end of the sliding rod (20), the third rotating shaft (22) is rotatably connected to the rear side of the mounting plate (19) through a bearing seat, the second pulley (23) is arranged on each of the third rotating shaft (22) and the first rotating shaft (10), the second flat belt (24) is wound between the second pulleys (23), the gear lacking (25) is arranged on the third rotating shaft (22), and the gear lacking (25) is meshed with the spur rack (21).