CN114952504B

CN114952504B - Edge grinding device of hollow blow-molded desk and chair

Info

Publication number: CN114952504B
Application number: CN202210913188.3A
Authority: CN
Inventors: 赵锦辉
Original assignee: Shandong Ford Furniture Co ltd
Current assignee: Shandong Ford Furniture Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-10-25
Anticipated expiration: 2042-08-01
Also published as: CN114952504A

Abstract

The invention discloses an edge polishing device for a hollow blow-molding desk and chair, which belongs to the technical field of polishing devices and comprises two workbenches, wherein each workbench is provided with a polishing component, an adjusting component and a tensioning component.

Description

Edge grinding device of hollow blow-molded desk and chair

Technical Field

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

Background

Hollow blow-molded desk and chair are common desk and chair, and when the desk and chair top is extruded and molded, the edges 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.

The Chinese patent with publication No. CN110883641A in the prior art discloses an edge grinding device for hollow blow-molded desks and chairs. 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-molded desk and chair comprises a rack, a top plate, a limiting plate, a transverse pushing assembly, an accelerating assembly, a polishing assembly, a front pushing assembly, a rear 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.

However, the above apparatus still has the following problems: (1) difficult to adapt to different specifications of table tops: the grinding components of the device are fixedly arranged, and if the specifications of tabletops to be ground are different, the distance between the grinding components is difficult to adjust, and the adaptability is low; (2) the sanding effect may be affected during long-time work: above-mentioned device is under long-time use, because the position of the subassembly of polishing is fixed, then probably leads to the wheel loss of polishing to influence the contact of desktop and the wheel of polishing, and then reduce the effect of polishing.

Disclosure of Invention

The invention aims to provide an edge grinding device for a hollow blow-molded desk and chair, which aims to solve the technical problems that the prior art is difficult to adapt to tabletops of different specifications and the grinding effect can be influenced when the desk and chair works for a long time.

The invention provides an edge polishing device of a hollow blow-molding desk and chair, which comprises two workbenches, wherein the two workbenches are respectively used for polishing the front end, the rear end, the left end and the right end of a desktop, two conveying rollers are arranged on each workbench, a conveying belt is sleeved on the two conveying rollers, a plurality of push blocks are arranged on the conveying belts at equal intervals, push grooves for the push blocks to move are formed in the workbenches, a conveying motor is arranged on each workbench, a main shaft of the conveying motor is fixedly connected with one of the conveying rollers, a polishing assembly, an adjusting assembly and a tensioning assembly are arranged on each workbench, each polishing assembly comprises a movable polishing wheel, a fixed polishing wheel, a polishing motor, a touch rod, a toothed belt, a sliding block and a toothed belt wheel, the fixed polishing wheel is rotatably arranged on the workbench, the polishing motor is fixedly arranged on the workbench, the utility model discloses a grinding machine, including the fixed wheel of polishing, the slider is equipped with the spring that is used for the slider that resets, the slider is equipped with the spring that is used for the slider that polishes, and the slider is connected with the slider rotation, the feeler lever rotates and sets up the top of moving the wheel of polishing, the toothed belt cover is established on the toothed belt wheel of moving wheel of polishing and fixed wheel of polishing and is driven with two toothed belt wheels, adjusting part sets up on the workstation and adjusting part be used for with the cooperation of conflict pole promote the width or the length that the wheel of polishing removed in order to adapt to different desktops, the tensioning subassembly sets up on the workstation and the rate of tension that the tensioning subassembly is used for keeping the toothed belt.

Further, the adjusting part includes extension board, movable plate, push pedal, baffle, linkage board, linkage post and knob, the extension board is fixed to be set up on the workstation, be equipped with the shifting chute on the extension board, the movable plate passes through shifting chute and extension board sliding connection, the push pedal rotates and sets up the one side at the movable plate, the linkage board is the arc, the linkage board slides and sets up in the movable plate, and the one end and the push pedal fixed connection of linkage board, the linkage post is fixed to be set up on the linkage board, and is equipped with the spout that supplies linkage board and linkage post to remove on the movable plate, the knob sets up on the linkage post and passes through screw-thread fit with the linkage post, the baffle rotates to set up and is used for contradicting the desktop of treating processing on the movable plate, still be equipped with the locking part who is used for locking the baffle on the movable plate.

Further, the locking subassembly is including sliding the locking piece that sets up in the movable plate, the one end of locking piece still is equipped with the first spring that supplies the locking piece to reset, the baffle is equipped with towards one side of movable plate with locking piece complex interlocking piece, and the baffle is equipped with the torsional spring with the rotation junction of movable plate.

Furthermore, an unlocking block for pushing the locking block to move is arranged on the support plate, and a second spring for resetting the moving plate is further arranged in the moving groove.

Furthermore, the moving plate is provided with a semi-open groove for the interlocking block to enter.

Furthermore, a plurality of balls for reducing the friction force with the tabletop to be processed are arranged on the baffle.

Furthermore, the tensioning assembly comprises a tensioning block and a tensioning wheel, the tensioning block is slidably arranged on the workbench, a spring is further arranged at the sliding connection position of the tensioning block and the workbench, the tensioning wheel is rotatably arranged at the bottom end of the tensioning block, and a toothed belt is sleeved on the tensioning wheel and is in transmission with the tensioning wheel.

Further, still be equipped with the limiting plate that prevents to wait to process the skew of desktop on the workstation.

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

(1) The adjustable device can adapt to the polishing operation of table tops of different specifications by controlling the adjusting assembly, the adjusting mode is convenient and quick, the error is low, when the device works for a long time to cause the loss of the movable polishing wheel or the fixed polishing wheel, the sliding block on the movable polishing wheel is arranged on the workbench in a sliding mode and is abutted by the elastic force of the spring, so that the movable polishing wheel can have the tension degree by the elastic force of the spring, even if the loss occurs, the movable polishing wheel can continuously abut against the table top by the elastic force of the spring, and the stability of the polishing operation is ensured.

(2) The unlocking block pushes the locking block to move and contact the locking block and the interlocking block to realize unlocking, so that the moving block is reset through the elastic force of the second spring, and the table top can abut against the moving polishing wheel due to the fact that the moving polishing wheel is polishing at the moment, the moving plate can reset to avoid being hindered by the abutting rod, so that polishing operation is continuously performed, and the stability of polishing operation is further guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a work table according to the present invention;

FIG. 3 is a schematic view of a first angular configuration of the sanding assembly and tensioning assembly of the present invention;

FIG. 4 is a second angular configuration of the sanding assembly and tensioning assembly of the present invention;

FIG. 5 is a perspective view of the adjustment assembly of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

fig. 7 is a perspective view of the locking assembly of the present invention.

Reference numerals:

1. a work table; 2. polishing the assembly; 21. moving the grinding wheel; 22. fixing the grinding wheel; 23. polishing the motor; 24. a touch bar; 25. a toothed belt; 26. a slider; 27. a toothed belt wheel; 3. an adjustment assembly; 31. a support plate; 32. moving the plate; 33. pushing the plate; 34. a baffle plate; 35. a linkage plate; 36. a linkage column; 37. a knob; 38. a moving groove; 39. a ball bearing; 4. a tension assembly; 41. a tensioning block; 42. a tension pulley; 5. a locking assembly; 51. a locking block; 52. a first spring; 53. an interlock block; 54. a torsion spring; 55. an unlocking block; 56. a second spring; 57. semi-slotting; 6. a conveying roller; 7. a transmission belt; 8. a push block; 9. pushing the groove; 10. a transfer motor; 11. and a limiting plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment of the invention provides an edge polishing device for a hollow blow molding desk and chair, which is shown in the figures 1 to 7, and comprises two working tables 1, wherein the two working tables 1 are respectively used for polishing the front end, the rear end, the left end and the right end of a desk surface, each working table 1 is provided with two conveying rollers 6, a conveying belt 7 is sleeved on the two conveying rollers 6, a plurality of push blocks 8 are equidistantly arranged on the conveying belt 7, a push groove 9 for the push blocks 8 to move is formed in each working table 1, each working table 1 is provided with a conveying motor 10, a main shaft of each conveying motor 10 is fixedly connected with one conveying roller 6, each working table 1 is provided with a polishing assembly 2, an adjusting assembly 3 and a tensioning assembly 4, each polishing assembly 2 comprises a movable polishing wheel 21, a fixed polishing wheel 22, a polishing motor 23, a collision rod 24, a toothed belt 25, a sliding block 26 and a toothed belt wheel 27, the fixed polishing wheel 22 is rotatably arranged on the working table 1, the grinding motor 23 is fixedly arranged on the workbench 1, the bottom ends of the movable grinding wheel 21 and the fixed grinding wheel 22 are respectively and fixedly connected with a toothed belt wheel 27, the main shaft of the grinding motor 23 is connected with the fixed grinding wheel 22 through the toothed belt wheel 27, the sliding block 26 is arranged on the workbench 1 in a sliding manner, a spring for resetting the sliding block 26 is arranged at the sliding connection position of the sliding block 26 and the workbench 1, the movable grinding wheel 21 is rotatably connected with the sliding block 26, the abutting rod 24 is rotatably arranged at the top end of the movable grinding wheel 21, the toothed belt 25 is sleeved on the toothed belt wheels 27 of the movable grinding wheel 21 and the fixed grinding wheel 22 and is in transmission with the two toothed belt wheels 27, the adjusting assembly 3 is arranged on the workbench 1 and the adjusting assembly 3 is used for being matched with the abutting rod 24 to push the movable grinding wheel 21 to move so as to adapt to the widths or the lengths of different desktops, the tensioning assembly 4 is arranged on the workbench 1 and the tensioning assembly 4 is used for keeping the tension degree of the toothed belt 25, when the grinding operation is started, firstly, an operator adjusts the adjusting components 3 on the two working tables 1 to enable the adjusting components to be consistent with the length and the width of a table top to be processed, then the operator loads the table top, after the loading is completed, the pushing block 8 on the conveyor belt is driven to move through the work of the conveying motor 10 to drive the table top to move, when the table top moves, the adjusting components 3 are driven to move together, because the length or the width of the adjusting components 3 and the length or the width of the table top are adjusted in advance, the pushing rod 24 can be pushed when the adjusting components 3 move, so that the distance between the movable grinding wheel 21 and the fixed grinding wheel 22 is matched with the length or the width of the table top, further, the grinding motor 23 works to drive the toothed belt 25 to move, the toothed belt 25 drives the movable grinding wheel 21 and the fixed grinding wheel 22 to rotate, the two edges of the table top are ground, after the grinding is completed, the table top is transferred to the other working table top 1, the grinding of the two remaining edges of the table top is carried out the collision through the same principle, the grinding operation can be adapted to the grinding operation of the table top with the grinding wheel 21 by the grinding operation of different specifications by controlling the adjusting components 3, and the adjusting mode is convenient and the error is low, and even if the elastic force of the working spring 21 or the spring for the elastic force of the working table top to move is ensured to move, even if the grinding wheel 21 is changed, the sliding spring, and the sliding block 21, and the sliding spring for a long time is changed, and the sliding of the sliding block 21.

Preferably, the adjusting assembly 3 includes a support plate 31, a moving plate 32, a push plate 33, a baffle 34, a linkage plate 35, a linkage column 36 and a knob 37, the support plate 31 is fixedly disposed on the workbench 1, a moving groove 38 is disposed on the support plate 31, the moving plate 32 is slidably connected with the support plate 31 through the moving groove 38, the push plate 33 is rotatably disposed on one side of the moving plate 32, the linkage plate 35 is arc-shaped, the linkage plate 35 is slidably disposed in the moving plate 32, one end of the linkage plate 35 is fixedly connected with the push plate 33, the linkage column 36 is fixedly disposed on the linkage plate 35, a sliding groove for moving the linkage plate 35 and the linkage column 36 is disposed on the moving plate 32, the knob 37 is disposed on the linkage column 36 and is in threaded fit with the linkage column 36, the baffle 34 is rotatably disposed on the moving plate 32 and is used for abutting against a desktop to be processed, a locking assembly 5 for locking the baffle 34 is further disposed on the moving plate 32, when the adjusting assembly 3 needs to be adjusted, the knob 37 can be moved to drive the push plate 33 to rotate until the push plate 33 moves to an expected position, the push plate 32 and the fixed linkage plate is contacted with the desktop through friction force between the push plate 37 and the push plate 32, so that the moving plate moves together with the desktop.

Preferably, the locking assembly 5 includes a locking block 51 slidably disposed in the moving plate 32, one end of the locking block 51 is further provided with a first spring 52 for resetting the locking block 51, one side of the baffle 34 facing the moving plate 32 is provided with an interlocking block 53 engaged with the locking block 51, and a torsional spring 54 is disposed at a rotational connection between the baffle 34 and the moving plate 32, when the table top contacts the moving grinding wheel 21 and the fixed grinding wheel 22 and performs the grinding operation, the pushing plate 33 is not required to continuously push the moving grinding wheel 21 open, the locking assembly 5 is unlocked, the moving plate 32 is reset to cooperate with the grinding operation of the next table top, when the locking assembly 5 is unlocked, the baffle 34 loses contact with the table top and rotates to leave the table top, and after the moving plate 32 is reset, because the limit of the previous table top is completely lost, the baffle 34 is reset by the torsional spring 54, and the interlocking block 53 is locked with the reset locking block 51 again.

Preferably, the support plate 31 is provided with an unlocking block 55 for pushing the locking block 51 to move, the moving groove 38 is further provided with a second spring 56 for resetting the moving plate 32, after the moving plate 32 moves to be in contact with the unlocking block 55, the unlocking block 55 is wedge-shaped, so that the unlocking block 55 can push the locking block 51 to move and unlock the locking block 51 and the interlocking block 53, and further the moving block is reset through the elastic force of the second spring 56, and as the moving grinding wheel 21 is grinding, the table top can collide with the moving grinding wheel 21, and the moving plate 32 resets and can be prevented from being hindered by the abutting rod 24.

Preferably, the moving plate 32 is provided with a half-slot 57 for the interlocking block 53 to enter, and since the baffle 34 is rotatably connected to the moving plate 32, the half-slot 57 is designed to prevent the baffle 34 from being blocked from turning over.

Preferably, the baffle 34 is provided with a plurality of balls 39 for reducing friction with the table top to be processed.

Preferably, the tensioning assembly 4 comprises a tensioning block 41 and a tensioning wheel 42, the tensioning block 41 is slidably disposed on the workbench 1, a spring is further disposed at a sliding connection position between the tensioning block 41 and the workbench 1, the tensioning wheel 42 is rotatably disposed at a bottom end of the tensioning block 41, the toothed belt 25 is sleeved on the tensioning wheel 42 and is in transmission with the tensioning wheel 42, when the movable polishing wheel 21 moves, the toothed belt 25 drives the tensioning wheel 42 and the tensioning block 41 to move so as to maintain a tension degree of the toothed belt 25, and the tensioning wheel 42 is reset by the spring after polishing.

Preferably, the workbench 1 is further provided with a limiting plate 11 for preventing the tabletop to be processed from deviating.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The edge grinding device for the hollow blow-molded desk and chair comprises two working tables (1), wherein the two working tables (1) are respectively used for grinding the front end and the rear end and the left end and the right end of a desktop, each working table (1) is provided with two conveying rollers (6), a conveying belt (7) is sleeved on the two conveying rollers (6), the conveying belt (7) is equidistantly provided with a plurality of push blocks (8), each working table (1) is provided with a push groove (9) for the push blocks (8) to move, each working table (1) is provided with a conveying motor (10), a main shaft of the conveying motor (10) is fixedly connected with one conveying roller (6), the edge grinding device is characterized in that each working table (1) is provided with a grinding assembly (2), an adjusting assembly (3) and a tensioning assembly (4), each grinding assembly (2) comprises a movable grinding wheel (21), a fixed grinding wheel (22), a grinding motor (23), a contact rod (24), a toothed belt (25), a sliding block (26) and a toothed belt wheel (27), the fixed grinding wheel (22) is rotatably arranged on the working table (1), the fixed grinding wheel (23) is fixedly connected with the working table (21) and the movable belt wheel (27), the main shaft of polishing motor (23) passes through toothed belt wheel (27) and is connected with fixed polishing wheel (22), slider (26) slide to set up on workstation (1), and slider (26) and the sliding connection department of workstation (1) are equipped with the spring that is used for restoring to the throne slider (26), remove polishing wheel (21) and slider (26) rotation are connected, touch pole (24) rotate to set up the top of removing polishing wheel (21), toothed belt (25) cover establish remove polishing wheel (21) and fixed polishing wheel (22) toothed belt wheel (27) on and with two toothed belt wheel (27) transmissions, adjusting part (3) set up on workstation (1) and adjusting part (3) are used for with cooperation promotion of adjusting part (24) remove polishing wheel (21) with the width or the length that adapts to different desktops, tensioning part (4) set up on workstation (1) and tensioning part (4) conflict (4) are used for keeping the degree of toothed belt (25), adjusting part (3) include supporting board (31), supporting board (31) and supporting board (31), supporting board (31) are linked up on the movable plate (31), supporting board (31) and are equipped with movable plate (31) and movable plate (31), the moving plate (32) is connected with the support plate (31) in a sliding way through a moving groove (38), the push plate (33) is rotatably arranged at one side of the moving plate (32), the linkage plate (35) is arc-shaped, the linkage plate (35) is arranged in the moving plate (32) in a sliding way, one end of the linkage plate (35) is fixedly connected with the push plate (33), the linkage column (36) is fixedly arranged on the linkage plate (35), and the moving plate (32) is provided with a chute for the movement of the linkage plate (35) and the linkage column (36), the knob (37) is arranged on the linkage column (36) and is matched with the linkage column (36) through threads, the baffle (34) is rotationally arranged on the moving plate (32) and is used for abutting against the table top to be processed, the moving plate (32) is also provided with a locking assembly (5) for locking the baffle (34), the locking assembly (5) comprises a locking block (51) slidingly arranged in the moving plate (32), one end of the locking block (51) is also provided with a first spring (52) for resetting the locking block (51), one side of the baffle (34) facing the moving plate (32) is provided with an interlocking block (53) matched with the locking block (51), and a torsional spring (54) is arranged at the rotary connection part of the baffle plate (34) and the moving plate (32).

2. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 1, wherein the support plate (31) is provided with an unlocking block (55) for pushing the locking block (51) to move, and the moving groove (38) is further provided with a second spring (56) for resetting the moving plate (32).

3. A hollow blow molded desk and chair edge grinding device as claimed in claim 1 wherein said moving plate (32) is provided with a half-cut (57) for facilitating entry of the interlocking block (53).

4. The edge grinding device for hollow blow-molded desk and chair as claimed in claim 1, wherein the baffle (34) is provided with a plurality of balls (39) for reducing friction with the desk surface to be processed.

5. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 1, wherein the tensioning assembly (4) comprises a tensioning block (41) and a tensioning wheel (42), the tensioning block (41) is slidably arranged on the workbench (1), a spring is further arranged at the sliding connection position of the tensioning block (41) and the workbench (1), the tensioning wheel (42) is rotatably arranged at the bottom end of the tensioning block (41), and the toothed belt (25) is sleeved on the tensioning wheel (42) and is in transmission connection with the tensioning wheel (42).

6. The edge grinding device for the hollow blow-molded desk and chair as claimed in claim 1, wherein the workbench (1) is further provided with a limiting plate (11) for preventing the deviation of the desktop to be processed.