SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transmission device of case sealer makes the transmission of case comparatively accurate, and the difficult packing at the back of being convenient for is difficult for skidding.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a transmission device of case sealer, includes the frame, the frame is provided with multiunit conveying mechanism along the width direction interval, conveying mechanism is including installing carriage in the frame, rotation are installed transfer roller, the cover at carriage both ends are established two conveyer belt, setting on the transfer roller are in the frame and with the power component that the transfer roller is connected.
Through adopting above-mentioned technical scheme, power component drives the transfer roller and rotates, and the transfer roller drives the conveyer belt and rotates, can carry the case of putting on the conveyer belt, and the frictional force between conveyer belt and the case is great, and difficult skidding, and the case also can stop immediately when the conveyer belt stops, consequently can make the transmission of case comparatively accurate, the following packing of being convenient for.
Preferably, the conveyor frame is provided with a flange extending horizontally to one side of the conveyor belt, and the conveyor belt passes through the upper surface of the flange.
Through adopting above-mentioned technical scheme, the flange provides the holding power for the conveyer belt, makes the conveyer belt not because of the case is overweight and deformation, guarantees the transport that the case can be stable.
Preferably, the power assembly includes a motor mounted on the frame, a third sprocket provided on an output shaft of the motor, a fourth sprocket mounted on one of the conveying rollers, and a third chain mounted on the third sprocket and the fourth sprocket.
Through adopting above-mentioned technical scheme, the motor drives the third sprocket and rotates, and the third sprocket passes through the third chain and drives the fourth sprocket and rotate, and one of them transfer roller and fourth sprocket synchronous rotation to the drive to the conveyer belt is realized.
Preferably, a fixed plate is arranged at one end of the conveying frame in the length direction, a strip-shaped sliding hole is formed in the fixed plate along the length direction of the conveying frame, a rotating shaft of one of the conveying rollers penetrates through the sliding hole to be rotatably installed on the fixed plate, a bearing is sleeved at one end, penetrating through the fixed plate, of the rotating shaft of the conveying roller, and a tensioning assembly which is tightly abutted to the bearing is arranged on the conveying frame; the fourth sprocket is mounted on the other of the transfer rollers.
Through adopting above-mentioned technical scheme, use after a period, the conveyer belt probably appears lax phenomenon, can skid between conveyer belt and the transfer roller after lax, influences the effect of transmission. The rotating shaft of the conveying roller slides along the fixing plate, and the position of the bearing is fixed by the tensioning assembly, so that the tightness of the conveying belt can be adjusted.
Preferably, the tensioning assembly comprises a fixed block mounted on the conveying frame and a tensioning bolt which is mounted on the fixed block in a threaded manner and penetrates through the fixed block to be abutted against the bearing.
Through adopting above-mentioned technical scheme, when the position of transfer roller is adjusted to needs, rotate the tensioning bolt, the tensioning bolt backs up the bearing, and the pivot and the bearing synchronous motion of transfer roller realize the regulation to the position of transfer roller.
Preferably, locking nuts are arranged on the stud of the tensioning bolt and located on two sides of the fixing block in a threaded mode, and the two locking nuts are abutted to the fixing block.
By adopting the technical scheme, the locking nut is used for fixing the relative position of the locking bolt and the fixing block, the anti-loosening effect is achieved, and the probability that the locking bolt is loosened due to relative rotation between the bearing and the rotating shaft of the conveying roller is reduced.
Preferably, a tight nut is installed at one end, tightly abutted to the bearing, of the tensioning bolt in a threaded manner, and the tight nut is tightly abutted to the bearing.
Through adopting above-mentioned technical scheme for when the tensioning bolt rotates, support tight nut and bearing and keep static relatively, the tensioning bolt does not rub with the bearing, reduces the damage.
Preferably, the surface of the conveyor belt is provided with ribs.
Through adopting above-mentioned technical scheme, increase the roughness on conveyer belt surface, improve and the box between frictional force, further reduce the probability of skidding.
To sum up, the utility model discloses a beneficial technological effect does:
1. the boxes placed on the conveyor belt are conveyed, so that the boxes are not easy to slip, and the boxes can be immediately stopped when the conveyor belt stops, so that the boxes can be accurately conveyed and are convenient for subsequent packaging;
2. the flange provides supporting force for the conveyor belt, so that the conveyor belt is not deformed due to the overweight of the box, and the stable conveying of the box is ensured;
3. the rotating shaft of the conveying roller slides along the fixing plate, and the position of the bearing is fixed by the tensioning assembly, so that the tightness of the conveying belt can be adjusted.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A box sealing machine, referring to fig. 1, comprises a frame 1, wherein a transmission device and a clamping mechanism are arranged on the frame 1, and a mounting rack 11 is arranged on the frame 1 above the transmission device in a lifting mode.
Referring to fig. 1 and 2, transmission device includes two sets of conveying mechanism that set up along 1 width direction interval of frame, and conveying mechanism includes carriage 21, transfer roller 22, conveyer belt 23 and power component 24, and carriage 21 fixed mounting is in frame 1, and the length direction of carriage 21 is parallel with the length direction of frame 1, and the fixed plate 26 that is provided with of the length direction's of carriage 21 one end, and bar hole 261 has been seted up to fixed plate 26, and the length direction of bar hole 261 is parallel with the length direction of carriage 21.
The number of the conveying rollers 22 is two, the rotating shaft of one conveying roller 22 is rotatably arranged on the fixed plate 26, and the rotating shaft of the other conveying roller 22 is rotatably arranged at the other end of the conveying frame 21. The bearing 221 is sleeved on the rotating shaft of the conveying roller 22 installed on the fixing plate 26 through one end of the fixing plate 26, and the tensioning assembly 27 tightly contacted with the bearing 221 is arranged on the conveying frame 21. The tensioning assembly 27 comprises a fixed block 271 and a tensioning bolt 272, the fixed block 271 is fixedly installed on the conveying frame 21, the tensioning bolt 272 is installed on the fixed block 271 in a threaded manner and penetrates through the fixed block 271 to be abutted against the surface of the bearing 221, and the tensioning bolt 272 is parallel to the length direction of the strip-shaped hole 261 along the moving direction of the fixed block 271.
Locking nuts 273 are arranged on the stud of the tensioning bolt 272 and positioned on two sides of the fixing block 271 in a threaded mode, and the two locking nuts 273 are tightly abutted to the fixing block 271 after the tensioning bolt 272 is adjusted; in order to reduce the damage between the bearing 221 and the tension bolt 272, a tightening nut 274 is threadedly mounted at one end of the tension bolt 272, which is tightened against the bearing 221, and the tightening nut 274 is tightened against the bearing 221.
The conveyor belt 23 is sleeved on the two conveyor rollers 22, and the outer surface of the conveyor belt 23 is integrally formed with a convex pattern. The tension bolt 272 is turned to push the bearing 221 open, and the two conveyance rollers 22 are moved away from each other to be tightened from the conveyance belt 23. The conveying frame 21 is horizontally provided with a flange 222 extending towards one side of the conveyor belt 23, and the conveyor belt 23 is jointed and passed through the upper surface of the flange 222.
Referring to fig. 1 and 3, a power assembly 24 is mounted on the frame 1 and is connected to the conveying rollers 22 mounted on the carriage 21. The power assembly 24 comprises a motor 241, a third chain wheel 242, a fourth chain wheel 243 and a third chain 244, wherein the motor 241 is fixedly arranged on the motor 241 on the frame 1; the third chain wheel 242 is arranged on the output shaft of the motor 241, the fourth chain wheel 243 is arranged on the rotating shaft of the conveying roller 22 on the conveying frame 21, and the third chain 244 is sleeved on the third chain wheel 242 and the fourth chain wheel 243. The motor 241 drives the third chain wheel 242 to rotate, the third chain wheel 242 drives the fourth chain wheel 243 to rotate through the third chain 244, and the conveying roller 22 and the fourth chain wheel 243 synchronously rotate, so that the conveying belt 23 is driven. The two motors 241 have the same model, and when the two motors 241 work, the two motors 241 work synchronously.
Referring to fig. 4 and 5, the clamping mechanism includes driving rods 31, side rods 32 and a traction assembly, the traction assembly includes a first chain wheel 331, a second chain wheel (not shown in the figure), chain pieces 333 and pushing pieces, four of the driving rods 31 are L-shaped, two driving rods are divided into two groups, two groups of driving rods 31 are arranged at intervals along the length direction of the rack 1, the horizontal sides of the two driving rods 31 in each group are respectively arranged at two sides of the rack 1 in a sliding manner along the width direction of the rack 1, and the two driving rods 31 in the same group move relatively or back to back; the horizontal side of the driving rod 31 is located below the conveyor belt 23, and the top end of the vertical side is higher than the upper surface of the conveyor belt 23.
Referring to fig. 5, a limiting rod 12 is fixedly disposed on the frame 1 and below the driving rod 31, an axial direction of the limiting rod 12 is parallel to a sliding direction of the driving rod 31, two limiting sliders 13 are slidably disposed on the limiting rod 12, and the two limiting sliders 13 are fixedly connected to the first connecting block 343 and the second connecting block 344 in a one-to-one correspondence manner. The first chain wheel 331 and the second chain wheel are rotatably mounted on the frame 1 at opposite sides of two sides in the length direction, and the chain member 333 is sleeved on the first chain 341 and the second chain 342.
The chain member 333 includes a first chain 341, a second chain 342, a first connecting block 343, and a second connecting block 344, and the pushing member includes a clamping cylinder 334. One end of the first chain 341 is connected to one end of the first connecting block 343, the other end of the first chain 341 is connected to one end of the second connecting block 344, the two ends of the second chain 342 are respectively connected to the other end of the first connecting block 343 and the other end of the second connecting block 344, the first chain 341 and the second chain 342 are integrated under the connection of the first connecting block 343 and the second connecting block 344, the first chain 341 is connected to the first chain wheel 331, and the second chain 342 is connected to the second chain wheel. The cylinder body of the clamping cylinder 334 is horizontally and fixedly disposed on the frame 1, the extending and retracting direction of the piston rod thereof is parallel to the axial direction of the limiting rod 12, and the piston rod thereof is fixedly connected with the first connecting block 343. The telescopic of the piston rod of the clamping cylinder 334 drives the first connecting block 343 to move, and simultaneously the second connecting block 344 moves synchronously, and the moving direction of the second connecting block 344 is opposite to the moving direction of the first connecting block 343, so that the driving rod 31 finally moves relatively or oppositely.
Referring to fig. 4, the frame 1 is rotatably mounted with a connecting shaft 35, all the first chain wheels 331 are mounted on the connecting shaft 35, and the two first chain wheels 331 are connected by the connecting shaft 35, so as to realize the synchronous motion of the two groups of driving rods 31.
Referring to fig. 6 and 7, a fixing plate 14 is fixedly disposed on the frame 1, the fixing plate 14 is provided with a through hole, and a circular rod 311 parallel to the limiting rod 12 is fixedly disposed at the top end of the vertical side of the driving rod 31. The fixing piece 14 is fixedly provided with a limiting sleeve 141, the through hole is coaxial with the hollow part of the limiting sleeve 141, the round rod 311 slides through the limiting sleeve 141 and is matched with the fixing piece 14 in a penetrating manner, the side rod 32 is installed at one end, penetrating through the fixing piece 14, of the round rod 311 through a fixing bolt, and the axial direction of the side rod 32 is parallel to the conveying direction of the conveying belt 23.
Referring to fig. 6, lifting frames 15 are fixedly arranged on two sides of the length direction of the rack 1, two vertical guide posts 151 are fixedly arranged on the lifting frames 15 at intervals, a support plate 152 is slidably arranged on the guide posts 151, an adjusting cylinder 16 is fixedly arranged at the lower end of the lifting frame 15 and below the support plate 152, and a piston rod of the adjusting cylinder 16 is connected with the lower surface of the support plate 152. The fixed lift cylinder 17 that is provided with of upper surface of backup pad 152, mounting bracket 11 slide to set up on the guide post 151 above lift cylinder 17, and lift cylinder 17's piston rod and mounting bracket 11 fixed connection. The lifting cylinder 17 is used for telescopic adjustment according to the height of the box to be packaged, and the adjusting cylinder 16 works when the height of the box is lower and the lifting cylinder 17 cannot meet the requirement, does not work normally and keeps static.
Referring to fig. 6 and 8, the mounting frame 11 is sequentially provided with a rear gland mechanism, a side pressure mechanism, a front gland mechanism 4 and a sealing plate 112 along the material conveying direction, an L-shaped mounting beam 111 is fixedly arranged on the upper surface of the mounting frame 11, and the rear gland mechanism, the side pressure mechanism and the front gland mechanism 4 are arranged on the mounting beam 111. Dull and stereotyped 112 fixed mounting is at mounting bracket 11 lower surface, and dull and stereotyped 112 is close to feeding one end integrated into one piece and is provided with and be the ascending guide board 113 of slope, and guide board 113 keeps away from dull and stereotyped 112 one end and is higher than and seals dull and stereotyped 112 one end of being connected.
The front gland mechanism 4 comprises a supporting rod 41 and a front pressing plate 42, the supporting rod 41 is bent, one end of the supporting rod 41 is fixedly installed on the lower surface 111 of the horizontal section of the installation beam, the front pressing plate 42 is hinged to one end, far away from the installation beam 111, of the supporting rod 41, and one end, close to feeding, of the front pressing plate 42 slightly tilts upwards; a magnetic induction switch 411 is rotatably arranged on the supporting rod 41, the magnetic induction switch 411 is a G-series magnetic induction switch with the model number AN-20G, and the magnetic induction switch 411 is hinged with one end, close to the feeding end, of the front pressing plate 42. Naturally, the front platen 42 hangs down under the influence of gravity away from the feed end. During operation, the case is carried preceding clamp plate 42 below under the effect of conveyer belt 23, and lift cylinder 17 starts, and mounting bracket 11 descends, and when preceding clamp plate 42 contacted the protecgulum of case and to the level, lift cylinder 17 stopped, and magnetic induction switch 411 starts, fixes preceding clamp plate 42 at horizontal position all the time. When the front platen 42 is horizontal, its lower surface is flush with the lower surface of the blanking panel 112.
Referring to fig. 6 and 9, the rear capping mechanism includes a swing lever 51, a rear pressing plate 52, and a driving assembly 53, and the driving assembly 53 includes a rear pressing cylinder 531, a guide block 532, and a connecting block 533. The swing rod 51 is bent, one end of the swing rod 51 is hinged to one end, far away from the mounting frame 11, of the mounting beam 111, namely the end close to the feeding, and the rotating plane of the swing rod 51 is parallel to the conveying direction; the rear pressing plate 52 is fixedly arranged at the other end of the swing rod 51, the plane where the rear pressing plate 52 is located is perpendicular to the rotating plane of the swing rod 51, when the swing rod 51 rotates to the position that the rear pressing plate 52 is horizontal, the lower surface of the rear pressing plate 52 is flush with the lower surface of the front pressing plate 42, and at the moment, the connecting line of the hinge point of one end of the rear pressing plate 52, which is close to the front pressing plate 42, and the swing rod 51 is vertical.
The guide block 532 is fixedly installed at one end of the swing rod 51 far away from the rear pressing plate 52 and protrudes out of the upper surface of the installation beam 111, the guide block 532 is bent, two bent sides form an obtuse angle, and a sliding groove 534 is formed in the guide block 532 along the bent path. The connecting block 533 is slidably arranged on the guide block 532 along the sliding groove 534, the rear air cylinder 531 is horizontally and fixedly arranged on the mounting beam 111, the telescopic direction of the rear air cylinder 531 is parallel to the length direction of the horizontal section of the mounting beam 111, and a piston rod of the rear air cylinder 531 is hinged to the connecting block 533. The piston rod of the rear pressing cylinder 531 stretches out and draws back to drive the connecting block 533 to slide along the guide block 532, and finally the guide block 532 and the swing rod 51 are driven to rotate together, so that the rear cover of the box is pressed by the rear pressing plate 52.
The end, far away from the feeding end, of the rear pressing plate 52 is hinged with an extension plate 535, an extension cylinder 536 is rotatably arranged on the swing rod 51, and a piston rod of the extension cylinder 536 is rotatably connected with the extension plate 535. The extension cylinder 536 drives the extension plate 535 to rotate, so that the extension plate 535 can be folded when the swing rod 51 rotates downwards, the extension cylinder 536 drives the extension plate 535 to rotate when the rear pressing plate 52 is close to horizontal, and the extension plate 535 is also horizontal when the rear pressing plate 52 is horizontal, so that the application range is expanded, and the side wall of the box cannot be hit.
Referring to fig. 1 and 10, the side pressing mechanism is located between the supporting rod 41 and the swing rod 51, the side pressing mechanism includes two sliding blocks 61, two bending rods 62 and a lifting assembly 63, a cross beam 114 is fixedly disposed on the mounting frame 11 and below a horizontal side of the mounting beam 111, a rail 115 is fixedly disposed on the cross beam 114, a length direction of the rail 115 is parallel to a width direction of the rack 1, and the two sliding blocks 61 are slidably disposed on the rail 115 at intervals and are respectively located on two sides of the rail 115 centering on a middle portion. The middle part of the bending rod 62 rotates on the sliding block 61, and the bending rod 62 is arc-shaped. The lifting assembly 63 comprises a lateral pressure cylinder 631 and a connecting piece 632, the lateral pressure cylinder 631 is vertically and fixedly mounted on the upper surface of the horizontal section of the mounting beam 111, a piston rod of the lateral pressure cylinder 631 penetrates through the mounting beam 111, the middle part of the connecting piece 632 is hinged on the piston rod of the lateral pressure cylinder 631, and one end of the bending rod 62 is hinged on the connecting piece 632. One end of the bending rod 62, which is far away from the connecting piece 632, is fixedly provided with a horizontal flattening rod 64, and the axial direction of the flattening rod 64 is parallel to the length direction of the machine frame 1. The piston rod of the lateral pressure cylinder 631 stretches to drive the connecting piece 632 to ascend and descend, the connecting piece 632 drives the bending rods 62 to rotate after ascending and descending, meanwhile, the sliding block 61 slides along the track 115, one ends, far away from the connecting piece 632, of the two bending rods 62 are close to each other or far away from each other, and the flattening rod 64 is pressed on the side cover of the box.
The working principle of the embodiment is as follows:
before use, the mounting 11 is in a high position.
When the box lifting device works, the box is placed on the two conveyor belts 23, the motor 241 drives the conveyor belts 23 to move, when the front cover of the box is positioned under the front pressing plate 42, the motor 241 stops, the lifting cylinder 17 starts at the same time, and the mounting rack 11 descends; until the front pressing plate 42 presses the front cover flat and the front pressing plate 42 is horizontal, the lifting air cylinder 17 is stopped, the magnetic induction switch 411 is started at the same time, the front pressing plate 42 is fixed at the horizontal position, at the moment, the rear pressing air cylinder 531 is started, the swing rod 51 rotates, the rear pressing plate 52 is knocked down to be horizontal, the extension air cylinder 536 is started, the extension plate 535 is rotated to be horizontal, and the extension plate is pressed flat on the rear cover; then the lateral pressure cylinder 631 is activated and the side cover is turned down to almost horizontal when the leveling lever 64 is down. Then the motor 241 is started again, the conveyor belt 23 drives the box to transport, the sealing plate 112 presses on the two side covers, and then subsequent sealing is performed.
When the front pressing plate 42 is completely separated from the box, the lifting frame 15, the swing rod 51, the front pressing plate 42 and the rear pressing plate 52 all return to the original positions for the next operation.
When the box is too high or too low, the adjusting cylinder 16 is started to drive the supporting plate 152 to lift, so that the lifting cylinder 17 and the lifting frame 15 are driven to lift synchronously.
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.