CN111392168A

CN111392168A - Hot melt adhesive labeling machine capable of replacing bottles and automatically adjusting labeling positions

Info

Publication number: CN111392168A
Application number: CN201910003932.4A
Authority: CN
Inventors: 王炳才
Original assignee: Qingdao Rongdu Machinery Co ltd
Current assignee: Qingdao Rongdu Machinery Co ltd
Priority date: 2019-01-03
Filing date: 2019-01-03
Publication date: 2020-07-10

Abstract

The invention discloses a hot melt adhesive labeling machine capable of automatically adjusting labeling positions by replacing bottles, which belongs to the field of bottle packaging production and comprises a hot melt adhesive labeling machine capable of automatically adjusting labeling positions by replacing bottles, and a supporting assembly and a pressing assembly, wherein the supporting assembly comprises a fixed seat and a movable seat; the automatic bottle height detection device comprises a fixed seat, a first hydraulic cylinder, a piston rod of the first hydraulic cylinder, a pressing assembly and a control circuit, wherein the piston rod of the pressing cylinder is fixedly connected with the bottom of a movable seat, the pressing assembly comprises a pressing cylinder fixedly connected to a base plate, the piston rod of the pressing cylinder is rotatably connected with a pressing block, the pressing cylinder and the first hydraulic cylinder are jointly connected with the control circuit, the control circuit comprises a height detection module for detecting the height of a bottle, a storage module for storing a height value, a height calculation module for calculating a height difference value and a control module for controlling the pressing cylinder and the first hydraulic cylinder according to the height difference value, and the automatic bottle height detection device has the effects of automatically detecting the height of the bottle and.

Description

Hot melt adhesive labeling machine capable of replacing bottles and automatically adjusting labeling positions

Technical Field

The invention relates to the technical field of bottle packaging production, in particular to a hot melt adhesive labeling machine capable of replacing bottles and automatically adjusting labeling positions.

Background

At present, a labeling machine is a device for sticking coiled self-adhesive paper labels on PCBs, products or specified packages. Labelling machines are an indispensable component of modern packaging. At present, the types of labeling machines in China are gradually increased, the technical level is greatly improved, and the labeling machines are shifted to automatic high-speed labeling machines from the lagging situation of manual and semi-automatic labeling to occupy the wide market. Most of the existing rotary labeling machines have transmission lines for transmitting bottles, the transmission lines transmit the bottles to a rotary table, a compressing device for compressing the bottles is arranged on the rotary table, the compressing device compresses the bottles tightly, the labels are transported to a label cutting device by another transmission line, the label cutting device usually adopts a fixed knife and a movable knife structure, the labels are cut open, the labels are sucked away by a label grabbing drum, the label grabbing drum adopts a vacuum pump to vacuumize to generate suction force to adsorb the labels, after the glue is coated by a glue coating roller, the labels are adhered to the bottles on the rotary table by the label grabbing drum, the rotary table sends the labeled bottles to an outlet of the labeling machine, and the bottles are sent away by the transmission lines.

The prior art can refer to Chinese invention patent with application publication number CN106742473A, which discloses a high-speed hot melt adhesive labeling machine, comprising a frame, a label plate, an automatic label receiving device, a label feeding device, a label cutting device, a label labeling wheel device, a rubber roller device, a bottle support device, a bottle feeding device and a bottle discharging device; the automatic label receiving device comprises two label receiving frames which are pivoted with each other, a guide roller, a label cutting mechanism and a label receiving mechanism, the label cutting device comprises a label cutting frame, a label cutting barrel, a label cutting driving mechanism, a rotary moving knife and a fixed knife, the label sticking wheel device comprises a label sticking wheel seat, a label sticking wheel shaft, a label sticking wheel and a label sticking wheel driving mechanism, the label sticking wheel seat is fixed on a supporting frame, the label sticking wheel shaft penetrates through the label sticking wheel seat, the label sticking wheel is arranged at the upper end of the label sticking wheel shaft and is close to the label cutting barrel, and a second vacuum hole is formed in the label sticking wheel.

The above prior art solutions have the following drawbacks: in continuous production, if the height of a bottle needs to be changed, the positions of all parts of the labeling machine need to be adaptively changed, the whole production line needs to be stopped and then adjusted by workers, and once the production line is stopped, not only the production efficiency is reduced, but also the restarting of the production line is troublesome, and great economic loss is caused.

Disclosure of Invention

The invention aims to provide a hot melt adhesive labeling machine capable of replacing a bottle and automatically adjusting a labeling position, which automatically detects the height of the bottle and automatically adjusts the heights of a pressing assembly and a moving seat according to the height of the bottle, so that the automatic adjustment without stopping when the bottle is replaced is realized.

The technical purpose of the invention is realized by the following technical scheme:

a hot melt adhesive labeller capable of automatically adjusting labeling positions through replaceable bottles comprises a supporting component, a main rotary disc, a sub rotary disc, a base disc, a plurality of pressing components and label grabbing drums, wherein the main rotary disc is rotatably connected to the supporting component;

a cylinder body of a first hydraulic cylinder is fixedly connected to the position, corresponding to the bottom of the movable seat, of the fixed seat, a piston rod of the first hydraulic cylinder is fixedly connected to the bottom of the movable seat, and the piston rod of the first hydraulic cylinder is vertically arranged;

the compressing assembly comprises a cylinder body of a lower air cylinder connected to the base plate, a piston rod of the lower air cylinder is vertically arranged, and the piston rod of the lower air cylinder is rotatably connected with a compressing block;

all the pressing cylinders and the first hydraulic cylinder are connected with a control circuit together, and the control circuit comprises a height detection module, a storage module, a height calculation module and a control module;

the height detection module is used for detecting the height of the bottle and outputting a height value;

the storage module is connected with the height detection module and receives the height value output by the height detection module, and the storage module stores the height value and outputs the original height value information;

the height calculation module is connected with the height detection module and the storage module, receives a height value output by the height detection module and an original height value output by the storage module, subtracts the two height values and outputs a height difference value with a positive sign and a negative sign;

the control module is connected with the height calculation module and receives the height difference output by the height calculation module, and the control module controls the piston rods of the first hydraulic cylinders to ascend or descend according to the received height difference and is equal to the height difference, and controls the lengths of the piston rods of all the pressing cylinders when the piston rods extend to the maximum to increase or decrease by the height difference.

By adopting the above scheme, through the height that highly detecting module automated inspection bottle, calculate the difference in height according to the height of present bottle and the height of original bottle, then according to the height difference change down the stroke of the piston rod of air cylinder and the height of removing the seat to change the subsides target position, realized the function of non-stop automatic adjustment rotary labeling machine, avoided because of shutting down the loss that causes, improved production efficiency.

The invention is further configured to: the support assembly further comprises an adjusting seat connected to the top end of the moving seat in a sliding manner, a cylinder body of a second hydraulic cylinder is fixedly connected to the moving seat, a piston rod of the second hydraulic cylinder is arranged along the length direction of the fixing seat, and the piston rod of the second hydraulic cylinder is fixedly connected into the adjusting seat;

the control circuit also comprises a width detection module and a width calculation module;

the width detection module is used for detecting the diameter and the length of the bottle and outputting a width value, the storage module is connected with the width detection module and receives the width value output by the width detection module, and the storage module stores the width value and outputs original width value information;

the width calculation module is connected with the width detection module and the storage module, the width calculation module receives a width value output by the width detection module and an original width value output by the storage module, the width calculation module subtracts the two width values to output a width difference value with a positive sign and a negative sign, the control module is connected with the width calculation module and receives the width difference value output by the width calculation module, and the control module controls a piston rod of the second hydraulic cylinder to extend or retract to a value equal to the width difference value according to the received width difference value.

By adopting the scheme, when the width of the bottle changes, the width detection module can automatically detect the width of the bottle, correspondingly adjust the relative position of the movable seat, and ensure that the label grabbing drum can accurately paste the label on the bottle.

The invention is further configured to: the label cutting machine is characterized in that a label cutting block is fixedly connected to the position, close to the label grabbing drum, of the adjusting seat, a moving cutter head is connected to the label cutting block in a sliding mode, a static cutter head is fixedly connected to the position, corresponding to the moving cutter head, of the adjusting seat, an electric push rod is fixedly connected to the label cutting block, the moving cutter head is fixedly connected to the electric push rod, and the electric push rod can push the cutter head to slide towards the direction close to the static cutter head; the control circuit further comprises a cutting module, the cutting module is used for controlling the electric push rod to push the movable cutter head to move at regular time, the cutting module is connected with the width calculation module and receives the width difference output by the width calculation module, and the cutting module changes the interval duration of the movement of the movable cutter head pushed by the electric push rod according to the width difference.

By adopting the scheme, when the width of the bottle changes, the length of the label can also change, so that the cutting module is required to control the feeding and cutting frequency of the movable cutter head, and the label can be completely attached to the bottle.

The invention is further configured to: the main motor is fixedly connected to the position, corresponding to the main rotary table, of the fixed seat, the output shaft of the main motor is fixedly connected to the main rotary table, the output shaft of the main motor and the main rotary table are coaxial, and the output shaft of the main motor is vertically arranged; the position of the main rotary table corresponding to each sub-rotary table is fixedly connected with a sub-motor, an output shaft of the sub-motor is fixedly connected in the sub-rotary table, the output shaft of the sub-motor and the sub-rotary table are coaxial, and the output shaft of the sub-motor is vertically arranged.

By adopting the scheme, the main motor drives the main turntable to rotate, so that the bottles revolve on the sub turntable to complete transmission, and the sub motor drives the sub turntable to rotate, so that the bottles rotate on the sub turntable to be matched with the complete label of the label grabbing drum.

The invention is further configured to: a central shaft is fixedly connected to an output shaft of the main motor, the main rotary table is fixedly connected to the central shaft, cylinder bodies of the adjusting hydraulic cylinders are fixedly connected to positions, corresponding to the two sides of the main rotary table, of the fixed seat, piston rods of the adjusting hydraulic cylinders are vertically arranged, the supporting rods are fixedly connected to the piston rods of the adjusting hydraulic cylinders, and the base plate is fixedly connected to the supporting rods; the center of the base plate is rotationally connected with a sleeve, the sleeve is connected to the central shaft in a sliding manner, and the sleeve synchronously rotates along with the central shaft; fixedly connected with central disk on the sleeve, compress tightly the subassembly and all connect on central disk.

Through adopting above-mentioned scheme, adjust the pneumatic cylinder and can drive the basal disc and reciprocate and adjust the height that compresses tightly the subassembly.

The invention is further configured to: conical pressing grooves are formed in the bottoms of the pressing blocks, and the area of the cross section of each pressing groove is gradually increased from one end close to the lower pressing cylinder to the other end.

Through adopting above-mentioned scheme, conical indent can play certain location effect to the bottle when the compact heap compresses tightly the bottle to guarantee that bottle and sub-carousel are with the axle center.

The invention is further configured to: the dovetail is set firmly near fixing base one end to removing the seat, has seted up the dovetail in fixing base correspondence dovetail position department, and the dovetail is vertical to be set up, dovetail sliding connection in the dovetail.

Through adopting above-mentioned scheme, dovetail and dovetail can guarantee to remove the seat and can not remove to the fixing base both sides at the in-process that slides, guarantee to remove the stability that the seat removed.

The invention is further configured to: grab mark drum including connecting the disk body on removing the seat, seted up the cavity in the disk body, fixedly connected with vacuum pump in the cavity, disk body fixedly connected with arc is protruding, has seted up logical groove on the arc is protruding, leads to groove and cavity intercommunication.

Through adopting above-mentioned scheme, the vacuum pump is used for producing suction, grabs the mark drum and adsorbs the label through leading to the groove, and the arc arch can make the label of grabbing on the mark drum can not let glue to the disk body when the rubber coating on, makes disk body adhesion label.

The invention is further configured to: correspond cavity position department fixedly connected with a plurality of riser at the disk body, keep away from the equal fixedly connected with in one side of vacuum pump at every riser and have elastic blotter, keep away from the equal fixedly connected with kicking block in riser one side at every blotter, the kicking block stretches out logical groove setting.

Through adopting above-mentioned scheme, the kicking block gives the label in order to support when the vacuum pump adsorbs the label, prevents that the label from being inhaled in the cavity, and the blotter can cushion the pressure that comes from the label that the kicking block received, makes the kicking block can remove to a certain extent, avoids the kicking block to destroy the label.

The invention is further configured to: the main turntable is rotatably connected with a connecting shaft at the position corresponding to each sub turntable, the sub turntables are fixedly connected to the connecting shaft, and the sub turntables and the connecting shaft have the same axle center; the connecting shaft penetrates through the main rotating disc, and a toothed belt wheel is fixedly connected to one end, far away from the ion rotating disc, of the connecting shaft; the arc-shaped belt is fixedly connected to the position, close to the movable seat, of the main rotating disc corresponding to the fixed seat, a rack is fixedly connected to the inner side of the arc-shaped belt, and the toothed belt wheel can be meshed with the rack.

By adopting the scheme, the main turntable can drive the rotor turntable to rotate at the position close to the label grabbing drum by rotating, so that power is saved.

In conclusion, the invention has the following beneficial effects:

1. the height of the bottle is automatically detected through the height detection module, the height difference value is calculated according to the height of the existing bottle and the height of the original bottle, and then the stroke of the piston rod of the pressing cylinder and the height of the movable seat are changed according to the height difference value so as to change the position of the label, so that the function of automatically adjusting the rotary labeling machine without stopping the machine is realized, the loss caused by stopping the machine is avoided, and the production efficiency is improved;

2. when the width of the bottle changes, the width detection module can automatically detect the width of the bottle, correspondingly adjust the relative position of the movable seat and ensure that the label can be accurately pasted on the bottle by the label grabbing drum;

3. when the width of the bottle changes, the length of the label can also change, so that the cutting module is required to control the feeding and cutting frequency of the movable cutter head, and the label can be completely attached to the bottle.

Drawings

FIG. 1 is a schematic overall structure diagram of the first embodiment;

FIG. 2 is a schematic view of a usage state of the first embodiment;

FIG. 3 is an exploded view of a first embodiment of the protruding support element;

FIG. 4 is a sectional view of a second embodiment of the invention;

FIG. 5 is a schematic view of a bump-out tab structure according to one embodiment;

FIG. 6 is a schematic view of a main turntable structure according to one embodiment;

FIG. 7 is a cross-sectional view of a protruding hold-down assembly according to one embodiment;

FIG. 8 is a schematic view of a raised marking drum according to one embodiment;

FIG. 9 is a cross-sectional view of a protruding cavity and a vacuum pump in accordance with one embodiment;

FIG. 10 is a system block diagram of the highlighted control circuit in one embodiment;

FIG. 11 is a schematic view of a pop-up adjust cylinder of the second embodiment;

FIG. 12 is a sectional view of the projecting sleeve of the second embodiment;

FIG. 13 is a schematic view of a protruding hold-down assembly according to the second embodiment;

FIG. 14 is a schematic view of a protruding toothed pulley and an arc-shaped belt according to the second embodiment;

fig. 15 is a schematic view of a protruding rack in the second embodiment.

In the figure, 1, a support assembly; 11. a fixed seat; 111. a dovetail groove; 112. a conveyor belt; 1121. a height detection lever; 1122. detecting the width; 113. a base plate; 1131. a support bar; 1132. adjusting a hydraulic cylinder; 1133. a sleeve; 1134. a central disk; 12. a movable seat; 121. dovetail joints; 122. a first hydraulic cylinder; 13. an adjusting seat; 131. a second hydraulic cylinder; 2. a main turntable; 21. a sub-turntable; 211. a sub-motor; 212. a connecting shaft; 213. a toothed belt wheel; 214. an arc-shaped belt; 2141. a rack; 22. a main motor; 221. a central shaft; 3. a compression assembly; 31. pressing down the air cylinder; 32. connecting blocks; 321. connecting grooves; 33. a rotating plate; 331. a rotating shaft; 34. a compression block; 341. pressing a groove; 35. a connecting plate; 36. a slide bar; 361. a spring; 37. a guide post; 4. grabbing a label drum; 41. a label grabbing motor; 411. a tray body; 42. a cavity; 43. a vacuum pump; 44. an arc-shaped bulge; 441. a through groove; 45. a vertical plate; 451. a cushion pad; 452. a top block; 4521. a bevel; 5. cutting a label block; 51. a movable cutter head; 511. an electric push rod; 52. a static cutter head; 53. a chute; 6. glue spreading roller; 7. a first transfer roller; 71. a second transfer roller; 72. a third transfer roller; 8. a control circuit; 81. a height detection module; 811. a first distance sensor; 82. a width detection module; 821. a second distance sensor; 83. a height calculation module; 84. a storage module; 85. a width calculation module; 86. a control module; 87. a cutting module; 9. and (7) a bottle.

Detailed Description

Example (b): a hot melt adhesive labeller capable of replacing bottles and automatically adjusting labeling positions is shown in figures 1 and 2 and comprises a supporting assembly 1, wherein the supporting assembly 1 comprises a fixed seat 11, a moving seat 12 connected to the fixed seat 11 in a sliding mode and an adjusting seat 13 connected to the top end of the moving seat 12 in a sliding mode. The main rotating disc 2 is connected to the fixing seat 11 in a rotating mode, the main rotating disc 2 is connected with the plurality of sub rotating discs 21 in a rotating mode, the sub rotating discs 21 are arranged along the circumferential array of the edge of the main rotating disc 2, a conveying belt 112 is fixedly connected to the position, close to the main rotating disc 2, of the fixing seat 11, and the bottles 9 are conveyed to the sub rotating discs 21 through the conveying belt 112. The fixing seat 11 is fixedly connected with a support bar 1131 near the main turntable 2, the top end of the support bar 1131 is fixedly connected with a base plate 113, and the base plate 113 is located right above the main turntable 2 and is concentric with the main turntable 2.

As shown in fig. 3 and 4, a dovetail 121 is fixedly disposed at one end of the movable seat 12 close to the fixed seat 11, a dovetail groove 111 is disposed at a position of the fixed seat 11 corresponding to the dovetail 121, the dovetail groove 111 is vertically disposed, and the dovetail 121 is slidably connected in the dovetail groove 111. The cylinder body of the first hydraulic cylinder 122 is fixedly connected to the fixed seat 11 corresponding to the bottom of the movable seat 12, the piston rod of the first hydraulic cylinder 122 is fixedly connected to the bottom of the movable seat 12, and the piston rod of the first hydraulic cylinder 122 is vertically arranged. The first hydraulic cylinder 122 can push the fixing base 11 to slide up and down along the dovetail groove 111.

As shown in fig. 3 and 4, a cylinder body of the second hydraulic cylinder 131 is fixedly connected to the movable base 12, a piston rod of the second hydraulic cylinder 131 is disposed along the longitudinal direction of the fixed base 11, and the piston rod of the second hydraulic cylinder 131 is fixedly connected to the inside of the adjustment base 13. The second hydraulic cylinder 131 can push the adjusting seat 13 to slide along the length direction of the fixing seat 11.

As shown in fig. 3 and 4, a first transfer roller 7, a second transfer roller 71 and a third transfer roller 72 are rotatably connected to the adjusting base 13, the first transfer roller 7 and the second transfer roller 71 are close to each other, and the third transfer roller 72 is located on the side of the first transfer roller 7 and the second transfer roller 71 close to the main turntable 2. The labels pass between the first transfer roller 7 and the second transfer roller 71 and are guided to the rotary labelling machine via the third transfer roller 72. The adjusting seat 13 is rotatably connected with a label grabbing drum 4, and the label grabbing drum 4 is arranged close to the main rotating disc 2.

As shown in fig. 4 and 5, a label cutting block 5 is fixedly connected to the position of the adjusting seat 13 close to the label grabbing drum 4, a sliding groove 53 is formed in the label cutting block 5, and a movable cutter head 51 is slidably connected in the sliding groove 53. The static cutter head 52 is fixedly connected to the position of the adjusting seat 13 corresponding to the movable cutter head 51, the electric push rod 511 is fixedly connected to the label cutting block 5, the movable cutter head 51 is fixedly connected to the electric push rod 511, and the electric push rod 511 can push the cutter head 51 to slide towards the direction close to the static cutter head 52. The adjusting seat 13 is rotatably connected with a glue spreader 6, and the glue spreader 6 is close to the label grabbing drum 4. The label passes through the third transmission roller 72 and then abuts against the label cutting block 5, and when the label passes through the space between the movable cutter head 51 and the static cutter head 52, the electric push rod 511 pushes the movable cutter head 51 to move towards the direction close to the static cutter head 52, so that the label can be cut off. The cut label is absorbed by the label grabbing drum 4, is glued by the glue spreading roller 6, and then is contacted with the bottle 9 on the sub-turntable 21, so that the label is adhered to the bottle 9, and labeling is completed.

As shown in fig. 6, a main motor 22 is fixedly connected to the position of the fixed seat 11 corresponding to the main turntable 2, an output shaft of the main motor 22 is fixedly connected to the main turntable 2, the output shaft of the main motor 22 is coaxial with the main turntable 2, and the output shaft of the main motor 22 is vertically arranged. The position of the main turntable 2 corresponding to each sub turntable 21 is fixedly connected with a sub motor 211, the output shaft of the sub motor 211 is fixedly connected in the sub turntable 21, the output shaft of the sub motor 211 and the sub turntable 21 are coaxial, and the output shaft of the sub motor 211 is vertically arranged. The main motor 22 drives the main turntable 2 to rotate, so that the bottles 9 revolve on the sub turntable 21 to complete transmission, and the sub motor 211 drives the sub turntable 21 to rotate, so that the bottles 9 rotate on the sub turntable 21 to be matched with the complete label attachment of the label grasping drum 4.

As shown in fig. 2 and 7, a plurality of pressing units 3 are connected to the base plate 113, and the pressing units 3 are provided corresponding to the sub-rotating plates 21, respectively. Compress tightly subassembly 3 including sliding the cylinder body of connecting the air cylinder 31 that pushes down on the base plate 113, the vertical setting of piston rod of air cylinder 31 pushes down equal fixedly connected with connecting block 32 on the piston rod of air cylinder 31, has all seted up spread groove 321 in every connecting block 32, all rotates in every spread groove 321 to be connected with rotor plate 33, the equal level setting of rotor plate 33. A rotating shaft 331 is fixedly connected to one side of each rotating plate 33 far away from the pressing cylinder 31, and the rotating shaft 331 extends out of the connecting block 32. A pressing block 34 is fixedly connected to one end of each rotating shaft 331, which extends out of the connecting block 32. The bottom of each pressing block 34 is provided with a tapered pressing groove 341, and the area of the cross section of the pressing groove 341 gradually increases from one end close to the lower pressing cylinder 31 to the other end. The pressing cylinder 31 pushes the pressing block 34 to descend, so that the bottle 9 can be pressed tightly, and the bottle 9 is guaranteed not to move in the labeling process. The push-down cylinder 31 can revolve along the main turntable 2 together with the bottles 9. The tapered pressing groove 341 can play a certain positioning effect on the bottle 9 when the pressing block 34 presses the bottle 9, so as to ensure that the bottle 9 is coaxial with the sub-turntable 21. The tapered pressing groove 341 can play a certain positioning effect on the bottle 9 when the pressing block 34 presses the bottle 9, so as to ensure that the bottle 9 is coaxial with the sub-turntable 21.

As shown in fig. 8 and 9, the label-grasping drum 4 includes a tray 411 connected to the movable base 12, a cavity 42 is formed in the tray 411, and a vacuum pump 43 is fixedly connected to the cavity 42. The position of the movable seat 12 corresponding to the label grabbing drum 4 is fixedly connected with a label grabbing motor 41, the output shaft of the label grabbing motor 41 is vertically arranged, and the label grabbing drum 4 is fixedly connected to the output shaft of the label grabbing motor 41. The tray body 411 is fixedly connected with an arc-shaped bulge 44, a through groove 441 is arranged on the arc-shaped bulge 44, and the through groove 441 is communicated with the cavity 42. Correspond cavity 42 position department fixedly connected with a plurality of riser 45 at disk body 411, keep away from the equal fixedly connected with blotter 451 of one side of vacuum pump 43 at every riser 45, blotter 451 is made by elastic material such as rubber, sponge. The top block 452 is fixedly connected to one surface, far away from the vertical plate 45, of each cushion 451, and the top block 452 extends out of the through groove 441. Inclined surfaces 4521 are respectively arranged at the two sides of one end, extending out of the through groove 441, of the top block 452, and the two inclined surfaces 4521 are respectively arranged from the two sides of the top block 452 to the middle in an inclined manner. Vacuum pump 43 is used for producing suction, grabs label drum 4 and passes through logical groove 441 and adsorbs the label, and arc protrusion 44 can make the label of grabbing on the label drum 4 can not let glue on the disk body 411 when the rubber coating, makes disk body 411 adhesion label. The top block 452 supports the label when the vacuum pump 43 adsorbs the label to prevent the label from being sucked into the cavity 42, and the cushion 451 can cushion the pressure from the label received by the top block 452, so that the top block 452 can move to a certain extent, and the top block 452 is prevented from damaging the label. The ramp 4521 prevents the top block 452 from scratching the label.

As shown in fig. 2 and 10, the control circuit 8 is commonly connected to all of the push-down cylinders 31, the first hydraulic cylinder 122 and the second hydraulic cylinder 131, and the control circuit 8 includes a height detection module 81, a width detection module 82, a storage module 84, a height calculation module 83, a width calculation module 85, a control module 86 and a cutting module 87. The height detection module 81 includes a height detection rod 1121 fixedly connected to the fixing base 11 at a position close to the transmission belt 112, a first distance sensor 811 is fixedly connected to the height detection rod 1121, and the first distance sensor 811 is located right above the transmission belt 112. The first distance sensor 811 detects the distance between the first distance sensor 811 and the bottle 9 in real time, and the height detection module 81 obtains and outputs a height value according to the distance. When the distance detected by the first distance sensor 811 is far greater than the estimated distance from the first sensor to the bottles 9, the height detection module 81 does not output a height value, and the first distance sensor 811 is prevented from outputting a height value when detecting the distance from the conveyor belt 112. The width detection module 82 comprises a width detection rod fixedly connected to the position, close to the transmission belt 112, of the fixed seat 11, a second distance sensor 821 is fixedly connected to the width detection rod, the second distance sensor 821 detects the distance between the second distance sensor 821 and the bottle 9 intermittently, and the width detection module 82 obtains a width value according to the distance and outputs the width value. The second distance sensor 821 can automatically detect the distance between each bottle 9 and the second distance sensor 821 when the linear distance between the bottle 9 and the second distance sensor 821 is shortest.

As shown in fig. 10, the storage module 84 is connected to the height detection module 81 and the width detection module 82, the storage module 84 receives and stores the height value output by the height detection module 81 and the width value output by the width detection module 82, and the storage module 84 outputs the original height value information and the original width value information.

As shown in fig. 10, the height calculating module 83 is connected to the height detecting module 81 and the storage module 84, the height calculating module 83 receives the height value output by the height detecting module 81 and the original height value output by the storage module 84, and the height calculating module 83 subtracts the two height values to output a height difference value with a positive sign and a negative sign.

As shown in fig. 10, the width calculating module 85 is connected to the width detecting module 82 and the storage module 84, the width calculating module 85 receives the width value output by the width detecting module 82 and the original width value output by the storage module 84, and the width calculating module 85 subtracts the two width values to output a width difference value with a positive sign and a negative sign.

As shown in fig. 10, the control module 86 is connected to the height calculating module 83 and the width calculating module 85, and the control module 86 receives the height difference value output by the height calculating module 83 and the width difference value output by the width calculating module 85. The control module 86 controls the piston rod of the first hydraulic cylinder 122 to ascend or descend by a value equal to the height difference value according to the received height difference value, and controls the lengths of the piston rods of all the hold-down cylinders 31 to be extended to the maximum to increase or decrease by a value equal to the height difference value. The control module 86 controls the piston rod of the second hydraulic cylinder 131 to extend or retract by a value equal to the width difference according to the received width difference.

As shown in fig. 10, the cutting module 87 is used for controlling the electric push rod 511 to push the movable blade 51 to move at regular time, the cutting module 87 is connected to the width calculation module 85 and receives the width difference output by the width calculation module 85, and the cutting module 87 changes the interval duration of the movement of the movable blade 51 pushed by the electric push rod 511 according to the width difference.

The use method comprises the following steps: the bottles 9 enter the rotary labelling machine by a transfer line, and the labels pass between the first transfer roller 7 and the second transfer roller 71 to enter the rotary labelling machine. When the height of the bottle 9 changes, the limit elongation of the piston rod of the pressing cylinder 31 changes in response to ensure that the bottle 9 can be just pressed, and the first hydraulic cylinder 122 pushes the movable base 12 to move up and down so as to ensure that the label can be attached to the correct position of the bottle 9. When the width of bottle 9 changes, second hydraulic cylinder 131 drives and adjusts seat 13 and remove, guarantees to grab mark drum 4 and can paste the label on bottle 9 accurately, and cutting module 87 controls and moves the frequency that tool bit 51 fed the cutting and change simultaneously, guarantees that the label can be laminated on bottle 9 completely.

Example two: as shown in fig. 11 and 12, the difference from the first embodiment is that a central shaft 221 is fixedly connected to the output shaft of the main motor 22, and the main turntable 2 is fixedly connected to the central shaft 221. Correspond the cylinder body that 2 both sides positions department of main carousel equal fixedly connected with adjusted hydraulic cylinder 1132 at fixing base 11, adjust the vertical setting of piston rod of hydraulic cylinder 1132 and bracing piece 1131 fixed connection is on the piston rod of adjusted hydraulic cylinder 1132, and underplate 113 fixed connection is on bracing piece 1131. The sleeve 1133 is rotatably connected to the center of the base plate 113, the sleeve 1133 is slidably connected to the central shaft 221, and the sleeve 1133 rotates with the central shaft 221.

As shown in fig. 12 and 13, a central plate 1134 is fixedly connected to the sleeve 1133, and the pressing assemblies 3 are connected to the central plate 1134. The cylinder body of the pressing cylinder 31 is fixedly connected to the central disc 1134, the piston rod of the pressing cylinder 31 is fixedly connected to the connecting plate 35, the connecting plate 35 is fixedly connected to the sliding rod 36, the sliding rod 36 is arranged to penetrate through the central disc 1134, the sliding rod 36 is connected to the central disc 1134 in a sliding manner, and the connecting block 32 is fixedly connected to one end of the sliding rod 36 penetrating through the central disc 1134. Control module 86, upon receiving the height difference, controls the piston rod of hydraulic cylinder 1132 to raise or lower by an amount equal to the height difference.

As shown in fig. 11 and 13, a guide post 37 is fixedly connected to the central plate 1134 at a position corresponding to the vicinity of the slide bar 36, the connecting plate 35 is slidably connected to the guide post 37, and the connecting plate 35 can slide along the longitudinal direction of the guide post 37. The sliding rod 36 and the guide post 37 are both sleeved with a spring 361, one end of the spring 361 is fixedly connected to the guide post 37 or the sliding rod 36, and the other end of the spring 361 is fixedly connected to the tray 411.

As shown in fig. 14 and 15, a connecting shaft 212 is rotatably connected to the main turntable 2 at a position corresponding to each sub turntable 21, the sub turntable 21 is fixedly connected to the connecting shaft 212, and the sub turntable 21 is coaxial with the connecting shaft 212. The connecting shaft 212 penetrates through the main turntable 2, and a toothed belt wheel 213 is fixedly connected to one end of the connecting shaft 212, which is far away from the sub turntable 21. An arc-shaped belt 214 is fixedly connected to a position, corresponding to the main turntable 2, of the fixed seat 11, which is close to the movable seat 12, a rack 2141 is fixedly connected to the inside of the arc-shaped belt 214, and the toothed pulley 213 can be meshed with the rack 2141. When the main motor 22 drives the main turntable 2 to rotate, so that the toothed pulley 213 rotates to the arc-shaped belt 214, the toothed pulley 213 is engaged with the rack 2141, and when the sub turntable 21 revolves along with the main turntable 2, the toothed pulley 213 is driven by the rack 2141 to start rotating, so that the sub turntable 21 rotates.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a hot melt adhesive labeller of mark position is pasted in interchangeable bottle automatic adjustment, including supporting component (1), rotate main carousel (2) of connecting on supporting component (1), rotate sub carousel (21) that connect on main carousel (2) and set up along main carousel (2) edge circumference array, connect in supporting component (1) and be located base plate (113) at main carousel (2) top, connect in base plate (113) and correspond a plurality of compressing tightly subassembly (3) and the rotation that set up with sub carousel (21) and connect on supporting component (1) and be close to grabbing of main carousel (2) mark drum (4), its characterized in that: the supporting assembly (1) comprises a fixed seat (11) and a movable seat (12) connected to the fixed seat (11) in a sliding manner, the main turntable (2) is connected to the fixed seat (11), and the label grabbing drum (4) is connected to the movable seat (12);

a cylinder body of a first hydraulic cylinder (122) is fixedly connected to the position, corresponding to the bottom of the moving seat (12), of the fixed seat (11), a piston rod of the first hydraulic cylinder (122) is fixedly connected to the bottom of the moving seat (12), and the piston rod of the first hydraulic cylinder (122) is vertically arranged;

the pressing assembly (3) comprises a cylinder body of a pressing cylinder (31) connected to the base plate (113), a piston rod of the pressing cylinder (31) is vertically arranged, and a piston rod of the pressing cylinder (31) is rotatably connected with a pressing block (34);

all the pressing air cylinders (31) and the first hydraulic cylinder (122) are connected with a control circuit (8) together, and the control circuit (8) comprises a height detection module (81), a storage module (84), a height calculation module (83) and a control module (86);

the height detection module (81) is used for detecting the height of the bottle (9) and outputting a height value;

the storage module (84) is connected with the height detection module (81) and receives the height value output by the height detection module (81), and the storage module (84) stores the height value and outputs the original height value information;

the height calculation module (83) is connected with the height detection module (81) and the storage module (84), the height calculation module (83) receives a height value output by the height detection module (81) and an original height value output by the storage module (84), and the height calculation module (83) subtracts the two height values to output a height difference value with a positive sign and a negative sign;

the control module (86) is connected with the height calculation module (83) and receives the height difference output by the height calculation module (83), and the control module (86) controls the piston rods of the first hydraulic cylinders (122) to ascend or descend by a value equal to the height difference according to the received height difference, and controls the lengths of the piston rods of all the pressing cylinders (31) extending to the maximum to increase or decrease by a value equal to the height difference.

2. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: the supporting assembly (1) further comprises an adjusting seat (13) connected to the top end of the moving seat (12) in a sliding mode, a cylinder body of a second hydraulic cylinder (131) is fixedly connected to the moving seat (12), a piston rod of the second hydraulic cylinder (131) is arranged along the length direction of the fixed seat (11), and a piston rod of the second hydraulic cylinder (131) is fixedly connected into the adjusting seat (13);

the control circuit (8) further comprises a width detection module (82) and a width calculation module (85);

the width detection module (82) is used for detecting the diameter and the length of the bottle (9) and outputting a width value, the storage module (84) is connected with the width detection module (82) and receives the width value output by the width detection module (82), and the storage module (84) stores the width value and outputs original width value information;

the width calculation module (85) is connected with the width detection module (82) and the storage module (84), the width calculation module (85) receives the width value output by the width detection module (82) and the original width value output by the storage module (84), the width calculation module (85) subtracts the two width values to output a width difference value with a positive sign and a negative sign, the control module (86) is connected with the width calculation module (85) and receives the width difference value output by the width calculation module (85), and the control module (86) controls the piston rod of the second hydraulic cylinder (131) to extend or retract to a value equal to the width difference value according to the received width difference value.

3. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 2, which is characterized in that: the label cutting machine is characterized in that a label cutting block (5) is fixedly connected to the position, close to the label grabbing drum (4), of the adjusting seat (13), a moving cutter head (51) is connected to the label cutting block (5) in a sliding mode, a static cutter head (52) is fixedly connected to the position, corresponding to the moving cutter head (51), of the adjusting seat (13), an electric push rod (511) is fixedly connected to the label cutting block (5), the moving cutter head (51) is fixedly connected to the electric push rod (511), and the electric push rod (511) can push the cutter head (51) to slide towards the direction close to the static cutter head (52); the control circuit (8) further comprises a cutting module (87), the cutting module (87) is used for controlling the electric push rod (511) to push the movable cutter head (51) to move at regular time, the cutting module (87) is connected with the width calculation module (85) and receives the width difference output by the width calculation module (85), and the cutting module (87) changes the interval duration of the movement of the movable cutter head (51) pushed by the electric push rod (511) according to the width difference.

4. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: a main motor (22) is fixedly connected to the position, corresponding to the main rotary table (2), of the fixed seat (11), an output shaft of the main motor (22) is fixedly connected to the main rotary table (2), the output shaft of the main motor (22) is coaxial with the main rotary table (2), and the output shaft of the main motor (22) is vertically arranged; the position of the main rotary table (2) corresponding to each sub-rotary table (21) is fixedly connected with a sub-motor (211), an output shaft of the sub-motor (211) is fixedly connected in the sub-rotary table (21), the output shaft of the sub-motor (211) and the sub-rotary table (21) are coaxial, and the output shaft of the sub-motor (211) is vertically arranged.

5. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: a central shaft (221) is fixedly connected to an output shaft of a main motor (22), a main rotating disc (2) is fixedly connected to the central shaft (221), cylinder bodies of adjusting hydraulic cylinders (1132) are fixedly connected to positions, corresponding to the two sides of the main rotating disc (2), of a fixing seat (11), piston rods of the adjusting hydraulic cylinders (1132) are vertically arranged, supporting rods (1131) are fixedly connected to the piston rods of the adjusting hydraulic cylinders (1132), and a base disc (113) is fixedly connected to the supporting rods (1131); the center of the base plate (113) is rotationally connected with a sleeve (1133), the sleeve (1133) is connected to the central shaft (221) in a sliding manner, and the sleeve (1133) rotates synchronously along with the central shaft (221); a central disc (1134) is fixedly connected to the sleeve (1133), and the pressing assemblies (3) are connected to the central disc (1134).

6. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: conical pressing grooves (341) are formed in the bottoms of the pressing blocks (34), and the area of the cross section of each pressing groove (341) is gradually increased from one end close to the lower pressing cylinder (31) to the other end.

7. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: one end of the movable seat (12) close to the fixed seat (11) is fixedly provided with a dovetail joint (121), the fixed seat (11) is provided with a dovetail groove (111) corresponding to the dovetail joint (121), the dovetail groove (111) is vertically arranged, and the dovetail joint (121) is connected in the dovetail groove (111) in a sliding manner.

8. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: grab mark drum (4) including connecting disk body (411) on removing seat (12), seted up cavity (42) in disk body (411), fixedly connected with vacuum pump (43) in cavity (42), disk body (411) fixedly connected with arc arch (44), seted up logical groove (441) on arc arch (44), logical groove (441) and cavity (42) intercommunication.

9. The hot melt adhesive labeling machine with the label position automatically adjusted by the replaceable bottle as claimed in claim 8, wherein: correspond cavity (42) position department fixedly connected with a plurality of riser (45) in disk body (411), keep away from the equal fixedly connected with in one side of vacuum pump (43) at every riser (45) and have elastic blotter (451), keep away from riser (45) the equal fixedly connected with kicking block (452) in one side at every blotter (451), kicking block (452) stretch out logical groove (441) and set up.

10. The hot melt adhesive labeling machine capable of automatically adjusting labeling positions by changing bottles according to claim 1, which is characterized in that: the main turntable (2) is rotatably connected with a connecting shaft (212) at the position corresponding to each sub turntable (21), the sub turntables (21) are fixedly connected to the connecting shaft (212), and the sub turntables (21) and the connecting shaft (212) are coaxial; the connecting shaft (212) penetrates through the main turntable (2), and one end of the connecting shaft (212) far away from the sub turntable (21) is fixedly connected with a toothed belt wheel (213); an arc-shaped belt (214) is fixedly connected to one side of the fixed seat (11) corresponding to the main turntable (2) and close to the movable seat (12), a rack (2141) is fixedly connected in the arc-shaped belt (214), and a toothed belt wheel (213) can be meshed with the rack (2141).