CN210311130U

CN210311130U - Automatic bagging mechanism of printing ink

Info

Publication number: CN210311130U
Application number: CN201920280335.1U
Authority: CN
Inventors: 唐永伟; 唐文韬
Original assignee: Jiangyin Huifate Machinery Co ltd
Current assignee: Jiangyin Huifate Machinery Co ltd
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-04-14
Anticipated expiration: 2029-03-06

Abstract

The utility model relates to the technical field of automatic production lines of ink bag type filling, and discloses an automatic ink bag filling mechanism, which comprises a bag feeding guide seat, a bag clamping assembly, a bag opening assembly, a bag sealing assembly and an ink filling and feeding device which are arranged from bottom to top in sequence; a guide groove is formed in the bag feeding guide seat and is vertically arranged; the bag clamping assembly comprises a pair of movable bases driven by a pair of bag opening folding tightening cylinders and a pair of bag clamping cylinders respectively and correspondingly connected to the pair of movable bases; the bag opening assembly comprises a pair of bag suction cylinders which are respectively arranged at two sides of the outer surface of the bag, and the front end of each bag suction cylinder is connected with a bag opening sucker; the bag sealing assembly includes a heat sealing device driven by a pair of bag sealing cylinders. The utility model discloses can realize the automatic filling of bag type of printing ink to can reduce the remaining after printing ink uses, and reach the purpose that reduces printing ink wasting of resources, reduce environmental pollution.

Description

Automatic bagging mechanism of printing ink

Technical Field

The utility model relates to an ink bag formula filling automation line technical field, concretely relates to automatic bagging-off mechanism of printing ink.

Background

In the ink manufacturing industry, the traditional ink filling type is barrel packaging. Typical barrel packaging is to fill the ink in iron and plastic cans. Because of the fixed filling type, the end users (such as printing factories) using the ink can process the residual ink in the tank, and the manual scraper is always adopted for cleaning; but because of the viscosity characteristic of the ink, a certain amount of ink still remains in the tank after being cleaned by a scraper; according to the preliminary statistics of the domestic ink industry, the average residual quantity of the ink is 15-30g according to the packaging quantity of 2kg per tank or barrel. The total output of the ink industry in China is about 200 ten thousand tons every year, the residual quantity of 1kg of ink is 10g, and the total residual quantity of the ink to be processed reaches 2 ten thousand tons. These residual inks cause waste of resources on the one hand and a major environmental pollution problem on the other hand. In addition, iron and plastic cans used for ink filling are essentially disposable, thereby also presenting a disposal problem for large quantities of solid waste.

Therefore, there is a need for improvements in conventional ink filling types to reduce environmental pollution.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an automatic bagging-off mechanism of printing ink aims at realizing the automatic filling of bag type of printing ink to can reduce the remaining after the printing ink uses, and reach the purpose that reduces printing ink resource waste, reduce environmental pollution. The specific technical scheme is as follows:

an automatic ink bagging mechanism comprises a bag feeding guide seat, a bag clamping assembly, a bag opening assembly, a bag sealing assembly and an ink filling and feeding device which are sequentially arranged from bottom to top; the bag feeding guide seat is provided with a guide groove for guiding a bag to be accurately placed, and the guide groove is vertically arranged; the bag clamping assembly comprises a pair of movable bases and a pair of bag clamping cylinders, wherein the movable bases are driven by a pair of bag opening closing and tightening cylinders to be close to and away from each other; the bag opening assembly comprises a pair of bag suction cylinders which are respectively arranged at two sides of the outer surface of the bag, and the front end of each bag suction cylinder is connected with a bag opening sucker facing the outer surface of the bag; the bag sealing assembly comprises a heat sealing device driven by a pair of bag sealing air cylinders, and a pair of heat sealing heads of the heat sealing device are respectively arranged at two side parts of the outer surface of the bag opening.

The automatic ink bagging mechanism is used for an automatic ink bagging production line, and the ink filling and feeding device is connected with an ink conveying pipeline on the automatic ink bagging production line. Preferably, the bag for filling the ink is an aluminum-plastic composite packaging bag. The control system of the automatic ink bagging mechanism preferably adopts a PLC (programmable logic controller) to realize the linkage control of all actions.

During operation, a bag is conveyed into the bag conveying guide seat through a manual or bag conveying mechanical arm, and then a bag clamping cylinder on the bag clamping assembly acts to clamp two side edges of the bag; then, a bag suction cylinder on the bag opening assembly acts, and a bag opening sucker at the front end of the bag suction cylinder sucks two surfaces of the bag opening and opens the bag opening; when the bag suction cylinder acts, the closing and tightening cylinders on the bag clamping assembly act synchronously, so that two side clamping points of the bag are close to each other to adapt to the opening of the bag; after the bag is opened, starting an ink filling and feeding device to feed the bag; after the feeding is finished, a bag opening sucker at the front end of a bag suction cylinder on the bag opening assembly is released, and meanwhile, a bag clamping cylinder on the bag clamping assembly acts again, so that two side clamping points of the bag are mutually far away to realize the folding and tightening of the bag opening; when the bag opening is closed and tightened, a bag sealing cylinder on the bag sealing assembly acts, and the bag is sealed by a heat sealing device on the bag sealing assembly.

After the sealing is finished, a bag clamping cylinder on the bag clamping assembly is loosened, and the bag filled with the printing ink falls onto a conveying belt of the printing ink automatic bagging production line due to dead weight.

The overall structure of the automatic ink bagging mechanism has the following characteristics:

firstly, send a bag guide holder, press from both sides the bag subassembly, open bag subassembly, envelope subassembly and printing ink filling feeding device through the setting, realized pressing from both sides the mechanized operation of bag, opening bag, filling and envelope, the bagging-off is efficient.

Secondly, because the automatic bagging-off mechanism of printing ink adopts plastic-aluminum composite packaging bag to fill, the end user who uses printing ink only needs to use two rod extruders of a hand formula, can once only clear up the surplus printing ink in the plastic-aluminum composite packaging bag, labour saving and time saving economizes the manual work. Experiments prove that the residual amount of the ink in the bag is less than 0.01 percent after the ink is cleaned by the two-roller extruder, and compared with the traditional barrel-type packaging ink cleaning mode, the residual amount of the ink is greatly reduced.

Preferably, the pair of moveable bases is disposed on a first linear guide and the pair of heat seals of the heat sealing device is disposed on a second linear guide.

Preferably, the utility model discloses an automatic bagging-off mechanism of printing ink is still including setting up send the sack height detection device of bag guide holder top, sack height detection device is including the horizontal sack touch pole that is located sack side top, be connected with the guide bar that can reciprocate that upwards erects the setting on the horizontal sack touch pole, the upper end of guide bar be connected with the separation blade that the guide bar reciprocated together is lieing in the fixed photoelectric switch who is used for detecting the separation blade position that is provided with in route both sides that the separation blade reciprocated.

Wherein, the guide bar is connected in the fixed uide bushing that sets up.

When the bag is sent, the bag moves upwards along the guide groove on the bag sending guide seat, the upper edge of the bag is in contact with the horizontal bag touch rod and pushes the horizontal bag touch rod to move upwards to drive the guide rod and the separation blade at the upper end of the guide rod to move upwards together, the position of the separation blade is detected by the photoelectric switch above, the photoelectric switch sends the position information of the separation blade to the PLC, and the PLC controls the subsequent bag clamping action.

Preferably, the bag opening suction cup at the front end of the bag suction cylinder is connected with a vacuum generator.

The utility model discloses an adopt vacuum generator to replace the vacuum pump that tradition used to solve the difficult problem that big suction opened the bag, thereby have the advantage of simplifying equipment structure, need not to dispose special vacuum pump and reduce user investment cost.

The utility model discloses in, it is still including connecting to press from both sides the bag subassembly be used for on the portable base location bag side position surface the locating piece, connect and be in press from both sides bag cylinder front end and be used for pressing from both sides the bag side position tightly press from both sides tight piece on the locating piece.

After the bag is conveyed in place through the bag conveying guide seat, two side edges of the upper portion of the bag enter between the positioning block and the clamping block, the clamping block is driven to approach the positioning block through the action of the bag clamping cylinder, and the two side edges of the bag are clamped, so that the bag is fixed.

As the utility model discloses a preferred scheme, send a bag guide holder still including erectting the bottom plate that sets up, lieing in the positive both sides position of bottom plate is provided with erects the setting the guide way, just the front of bottom plate has the cambered surface of indent in order to form the passageway space of the sack free fall after filling the printing ink fully.

Preferably, a conveying belt is arranged below the bag conveying guide seat.

After the bags fall onto the conveyor belt, the bags are transferred by the conveyor belt to a boxing point for boxing.

The cambered surface of indent is set to through the front of the bottom plate that will send the bag guide holder for on the sack that fills printing ink can fall smoothly to the conveyer belt of below, from sending the bag to the whole bagging-off in-process of falling the bag, the removal route of its sack is very short, and need not to set up special sack transfer device, can accelerate the production beat of printing ink automatic bagging-off production line from this, has reached the purpose of high efficiency bagging-off.

As a further improvement, the utility model discloses an automatic bagging-off mechanism of printing ink still including being used for carrying the sack send the bag manipulator of sending in the bag guide holder, the front end of sending the bag manipulator is provided with and is used for picking up the sack and transfers the sack to the bag sucking disc that send in the bag guide holder that send.

Considering that the residual ink is easy to leak due to the viscosity problem of the ink after the ink filling is finished, if the bag mouth is sealed, the bag mouth cannot be completely sealed, so that the ink filling and feeding device needs to be improved.

The utility model discloses in its modified printing ink filling feeding device's concrete structure does: the printing ink filling and feeding device comprises a discharging pipe used for outputting printing ink and an anti-drip nozzle which is connected onto the discharging pipe in an installing mode through a connecting pipe, a pneumatic control valve used for opening or closing the discharging pipe is arranged on the discharging pipe, the anti-drip nozzle is a flexible pipe body made of elastic rubber, the flexible pipe body comprises an installing connection section pipe body and a discharging section pipe body, the front end of the discharging section pipe body is of a flat nozzle structure, and the discharging port of the flat nozzle is a cutting seam-shaped discharging port.

The ink filling and feeding device adopts a pneumatic control valve to cut off an ink passage, and meanwhile, the discharging pipe is provided with a drip-proof nozzle with a flat nozzle structure, and the discharging port of the flat nozzle is a cutting-joint-shaped discharging port. During filling, a feeding cylinder in an ink bag type filling automatic production line pushes ink in an ink conveying pipeline to advance, the advancing ink extrudes a cutting seam-shaped discharge port on the drip-proof nozzle, and the cutting seam-shaped discharge port is opened to realize feeding; after feeding, the pneumatic control valve on the discharging pipe is closed, and the slit-shaped discharging port on the drip-proof nozzle can be automatically closed under the action of elastic restoring force, so that the dripping of printing ink can be effectively prevented, and the smooth proceeding of subsequent hot-pressing sealing bags is further ensured.

The drip-proof nozzle can be further improved as follows: the two sides of the flat nozzle of the drip-proof nozzle are symmetrically connected with a pair of elastic ink-absorbing air bags, the elastic ink-absorbing air bags are communicated with the cutting seam surface of the flat nozzle through a plurality of perforations arranged on the cutting seam surface of the flat nozzle, and a pair of air bag baffles are fixedly arranged on the outer sides of the pair of elastic ink-absorbing air bags.

Preferably, the airbag baffle is connected to the connecting pipe through a baffle bracket.

The drip-proof nozzle with the improved structure is provided with an elastic ink-absorbing air bag. Because the fixed air bag baffle is arranged on the outer side of the elastic ink absorption air bag, the elastic ink absorption air bag can compress the flat nozzle under the condition of no material feeding so as to eliminate the gap between the seam cutting surfaces of the flat nozzle and prevent the ink from leaking; when feeding materials, the flat nozzle is opened under the action of ink pressure to realize bag filling operation, and the elastic ink absorption air bag is extruded towards the direction of the air bag baffle under the opening action of the flat nozzle while the flat nozzle is opened, so that the elastic ink absorption air bag is extruded and contracted; the feeding is finished, the pneumatic control valve on the discharging pipe is closed, the flat nozzle on the anti-drip nozzle is automatically closed under the action of elastic restoring force, when the flat nozzle of the anti-drip nozzle is closed, the elastic ink absorption air bag is expanded and restored under the action of the elastic restoring force, so that negative pressure is formed inside the elastic ink absorption air bag, and ink remained at the opening part of the flat nozzle can be slowly sucked into the air bag through a plurality of perforated holes formed in the cutting seam surface of the flat nozzle. Therefore, the drip-proof nozzle provided with the elastic ink-absorbing air bag has stronger drip-proof function.

The ink absorbing speed of the elastic ink absorbing air bag can be adjusted by reasonably setting the size of the elastic ink absorbing air bag and the number and size of the perforations. For example, it may be arranged to maintain the resilient ink-absorbing bladder in a negative pressure ink-absorbing state at all times during the bag closing process to further improve the reliability of drip-proof.

The utility model discloses in, be used for control the sack folds and tightens up cylinder, presss from both sides the bag cylinder, inhales the bag cylinder, opens bag sucking disc, envelope cylinder, sealing device, photoelectric switch, conveyer belt and send the signal control line connection PLC controller of a bag manipulator action.

The utility model has the advantages that:

first, the utility model discloses an automatic bagging-off mechanism of printing ink send a bag guide holder, press from both sides the bag subassembly, open a bag subassembly, envelope subassembly and printing ink filling feeding device through the setting, has realized the mechanized operations of pressing from both sides the bag, opening a bag, filling and envelope, and the bagging-off is efficient.

Second, the utility model discloses an automatic bagging-off mechanism of printing ink because the automatic bagging-off mechanism of printing ink adopts plastic-aluminum composite packaging bag to carry out the filling, and the end user who uses printing ink only needs to use two rod extruders of a hand formula, can once only clear up the surplus printing ink in the plastic-aluminum composite packaging bag and finish, and labour saving and time saving economizes the manual work. Experiments prove that the residual amount of the ink in the bag is less than 0.01 percent after the ink is cleaned by the two-roller extruder, and compared with the traditional barrel-type packaging ink cleaning mode, the residual amount of the ink is greatly reduced.

Third, the utility model discloses an automatic bagging-off mechanism of printing ink solves the difficult problem that big suction opened the bag through adopting vacuum generator to replace the vacuum pump that tradition used, thereby has the advantage of simplifying equipment structure, need not to dispose special vacuum pump and reduce user investment cost.

Fourth, the utility model discloses an automatic bagging-off mechanism of printing ink sets the cambered surface of indent to through the front of the bottom plate that will send the bag guide holder for on the sack of full-filling printing ink can fall the conveyer belt of below smoothly, from sending the whole bagging-off in-process of bag to falling, the removal route of its sack is very short, and need not to set up special sack transfer device, can accelerate the production beat of the automatic bagging-off production line of printing ink from this, has reached the purpose of high efficiency bagging-off.

Fifth, the utility model discloses an automatic bagging-off mechanism of printing ink, printing ink filling feeding device adopt pneumatic control valve to cut off the printing ink route, are provided with the antidrip mouth that has flat mouth structure simultaneously on the discharging pipe, and the discharge gate of flat mouth is joint-cutting shape discharge gate. During filling, a feeding cylinder in an ink bag type filling automatic production line pushes ink in an ink conveying pipeline to advance, the advancing ink extrudes a cutting seam-shaped discharge port on the drip-proof nozzle, and the cutting seam-shaped discharge port is opened to realize feeding; after feeding, the pneumatic control valve on the discharging pipe is closed, and the slit-shaped discharging port on the drip-proof nozzle can be automatically closed under the action of elastic restoring force, so that the dripping of printing ink can be effectively prevented, and the smooth proceeding of subsequent hot-pressing sealing bags is further ensured. In addition, the drip-proof nozzle with the elastic ink-absorbing air bag further improves the reliability of drip-proof.

Drawings

FIG. 1 is a schematic view of the general structure of an automatic ink bagging mechanism of the present invention;

FIG. 2 is a schematic structural view (plan view) of the bag feeding guide base portion of FIG. 1;

FIG. 3 is a schematic structural view (top view) of the portion of FIG. 1 related to the bag holder assembly;

FIG. 4 is a schematic structural view (top view) of the portion of FIG. 1 related to the envelope assembly;

FIG. 5 is a schematic view of the structure of the bag height detecting means;

FIG. 6 is a schematic view of the drip resistant nozzle of FIG. 1;

FIG. 7 is a partial K-view of the portion of FIG. 6 relating to the proboscis;

fig. 8 is a schematic structural view of the automatic ink bagging mechanism of fig. 1, to which a bag feeding robot for automatically feeding a bag is added.

In the figure: 1. a bag feeding guide seat, 2, a bag clamping component, 3, a bag opening component, 4, a bag sealing component, 5, a guide groove, 6, a bag opening closing tightening cylinder, 7, a movable base, 8, a bag, 9, a bag side edge, 10, a bag clamping cylinder, 11, a bag sucking cylinder, 12, a bag opening sucker, 13, a bag sealing cylinder, 14, a heat sealing device, 15, a bag height detection device, 16, a horizontal bag touch rod, 17, a guide rod, 18, a baffle, 19, a photoelectric switch, 20, a guide sleeve, 21, a vacuum generator, 22, a positioning block, 23, a clamping block, 24, a bottom plate, 25, a concave cambered surface, 26, a conveying belt, 27, a bag feeding mechanical arm, 28, a bag feeding sucker, 29, a PLC (programmable logic controller), 30, an ink filling device, 31, a pneumatic control valve, 32, a discharging pipe, 33, a connecting pipe, 34, a drip-proof nozzle, 35, a mounting connecting section pipe body, 36, a bag opening device, a bag, The device comprises a discharging section pipe body 37, a flat nozzle 38, a slit-shaped discharging port 39, an elastic ink absorption air bag 40, a perforation 41, an air bag baffle 42, a baffle bracket 43, a first linear guide rail 44 and a second linear guide rail.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Fig. 1 to 8 show an embodiment of an automatic ink bagging mechanism of the present invention, which comprises a bag feeding guide seat 1, a bag clamping assembly 2, a bag opening assembly 3, a bag sealing assembly 4 and an ink filling and feeding device 30, which are sequentially arranged from bottom to top; wherein, the bag-feeding guide seat 1 is provided with a guide groove 5 for guiding the bag 8 to be accurately placed, and the guide groove 5 is vertically arranged; the bag clamping assembly 2 comprises a pair of movable bases 7 which are driven by a pair of bag opening closing tightening cylinders 6 to approach and separate from each other, and a pair of bag clamping cylinders 10 which are respectively and correspondingly connected to the pair of movable bases 7 and used for clamping two side edges 9 of a bag; the bag opening assembly 3 comprises a pair of bag suction cylinders 11 which are respectively arranged at two sides of the outer surface of the bag, and the front end of each bag suction cylinder 11 is connected with a bag opening sucker 12 facing the outer surface of the bag; wherein, the bag sealing assembly 4 comprises a heat sealing device 14 driven by a pair of bag sealing air cylinders 13, and a pair of heat sealing heads of the heat sealing device 14 are respectively arranged at two side parts of the outer surface of the opening part of the bag 8.

The automatic ink bagging mechanism is used for an automatic ink bagging production line, wherein the ink filling and feeding device 30 is connected with an ink conveying pipeline on the automatic ink bagging production line. Preferably, the bag 8 for filling the ink is an aluminum plastic composite packaging bag. The control system of the automatic ink bagging mechanism preferably employs a PLC controller 29 to achieve coordinated control of the various actions.

In operation, the bag 8 is conveyed into the bag conveying guide seat 1 through a manual or bag conveying mechanical arm 27, and then the bag clamping cylinder 10 on the bag clamping assembly 2 acts to clamp the two side edges 9 of the bag 8; then, a bag suction cylinder 11 on the bag opening assembly 3 acts, and a bag opening sucker 12 at the front end of the bag suction cylinder 11 sucks two surfaces of the bag opening and opens the bag opening; when the bag suction cylinder 11 acts, the closing and tightening cylinder 6 on the bag clamping assembly 2 acts synchronously, so that the clamping points of the two side edges 9 of the bag are close to each other to adapt to the opening of the bag 8; after the bag 8 is opened, the ink filling and feeding device 30 is started to feed the bag 8; after the feeding is finished, the bag opening sucker 12 at the front end of the bag suction cylinder 11 on the bag opening assembly 3 is released, and the bag clamping cylinder 10 on the bag clamping assembly 2 acts again at the same time, so that the clamping points of the two side edges 9 of the bag are mutually separated to realize the folding and tightening of the bag opening; at the same time of the closing and tightening of the bag opening, the bag sealing cylinder 13 on the bag sealing assembly 4 acts, and the heat sealing device 14 on the bag sealing assembly 4 seals the bag 8.

After the sealing is finished, the bag clamping cylinder 10 on the bag clamping assembly 2 is loosened, and the bag 8 filled with the printing ink falls onto the conveying belt 26 of the automatic printing ink bagging production line due to the self weight.

firstly, send bag guide holder 1, press from both sides bag subassembly 2, open bag subassembly 3, envelope subassembly 4 and printing ink filling feeding device 30 through the setting, realized the mechanized operation of pressing from both sides the bag, opening the bag, filling and envelope, the bagging-off is efficient.

Preferably, the pair of mobile bases 7 is arranged on a first linear guide 43, and the pair of heat-seal heads of the heat-seal device 14 is arranged on a second linear guide 44.

Preferably, the automatic ink bagging mechanism of this embodiment further includes a bag height detecting device 15 disposed above the bag feeding guide seat 1, the bag height detecting device 15 includes a horizontal bag touch rod 16 located above the bag side 9, a guide rod 17 which is vertically disposed upwards and can move up and down is connected to the horizontal bag touch rod 6, a blocking piece 18 which moves up and down together with the guide rod 17 is connected to the upper end of the guide rod 17, and a photoelectric switch 19 for detecting the position of the blocking piece 18 is fixedly disposed on both sides of a path along which the blocking piece 18 moves up and down.

Wherein the guide rod 17 is connected in a fixedly arranged guide sleeve 20.

When the bag is sent, the bag 8 moves upwards along the guide groove 5 on the bag sending guide seat 1, the upper edge of the bag 8 contacts the horizontal bag touch rod 16 and pushes the horizontal bag touch rod 16 to move upwards, the guide rod 17 and the blocking piece 18 at the upper end of the guide rod 17 are driven to move upwards together, the photoelectric switch 19 above the guide rod detects the position of the blocking piece 18, the photoelectric switch 19 sends the position information of the blocking piece 18 to the PLC 29, and the PLC controls the subsequent bag clamping action.

Preferably, the bag opening suction cup 12 at the front end of the bag suction cylinder 11 is connected with a vacuum generator 21.

The present embodiment solves the problem of opening the bag with a large suction force by using the vacuum generator 21 instead of a conventionally used vacuum pump, and has the advantages of simplifying the structure of the apparatus, and reducing the investment cost of the user without configuring a special vacuum pump.

In this embodiment, the bag clamping assembly 2 further includes a positioning block 22 connected to the movable base 7 for positioning the outer surface of the bag side 9, and a clamping block 23 connected to the front end of the bag clamping cylinder 10 for clamping the bag side 9 to the positioning block 22.

After the bag 8 is conveyed to the proper position through the bag feeding guide seat 1, two side edges 9 of the upper part of the bag 8 enter between the positioning block 22 and the clamping block 23, the clamping block 23 is driven to approach the positioning block 22 through the action of the bag clamping cylinder 10, and the two side edges 9 of the bag 8 are clamped, so that the bag 8 is fixed.

As a preferable scheme of this embodiment, the bag feeding guide base 1 further includes a bottom plate 24 vertically disposed, the guide grooves 5 vertically disposed are disposed at two sides of the front surface of the bottom plate 24, and the front surface of the bottom plate 24 has an inward concave surface 25 to form a free falling passage space of the bag 8 filled with the ink.

Preferably, a conveying belt 26 is arranged below the bag feeding guide seat 1.

After the bags 8 fall onto the conveyor 26, the transport by the conveyor 26 is transferred to a boxing point for boxing.

The cambered surface 25 that the aforesaid is the indent through setting the front of sending the bottom plate 24 of bag guide holder 1 for on the conveyer belt 26 of below can fall smoothly to the sack 8 of full-filling printing ink, from sending the bag to the whole bagging-off in-process of falling the bag, the removal route of its sack is very short, and need not to set up special sack 8 transfer device, can accelerate the production beat of the automatic bagging-off production line of printing ink from this, has reached the purpose of high efficiency bagging-off.

As a further improvement, the automatic ink bagging mechanism of the embodiment further includes a bag feeding robot 27 for conveying the bag 8 into the bag feeding guide seat 1, and a bag feeding suction cup 28 for picking up the bag 8 and transferring the bag 8 into the bag feeding guide seat 1 is provided at a front end of the bag feeding robot 27.

Considering that the residual ink is easy to leak due to the viscosity problem of the ink after the ink filling is finished, if the bag mouth has the residual ink during the sealing, the bag mouth cannot be completely sealed, so that the ink filling and feeding device 30 needs to be improved.

The specific structure of its modified printing ink filling feeding device 30 in this embodiment is: the ink filling and feeding device 30 comprises a discharge pipe 32 for outputting ink and an anti-drip nozzle 34 which is installed and connected on the discharge pipe 32 through a connection pipe 33, wherein a pneumatic control valve 31 for opening or closing the discharge pipe 32 is arranged on the discharge pipe 32, the anti-drip nozzle 34 is a flexible pipe body made of elastic rubber, the flexible pipe body comprises an installation connection section pipe body 35 and a discharge section pipe body 36, the front end of the discharge section pipe body 36 is of a flat nozzle 37 structure, and a discharge hole of the flat nozzle 37 is a cutting seam-shaped discharge hole 38.

The ink filling and feeding device 30 adopts a pneumatic control valve 31 to cut off an ink passage, a discharge pipe 32 is provided with a drip-proof nozzle 34 with a flat nozzle 37 structure, and a discharge port of the flat nozzle 37 is a cutting-joint-shaped discharge port 38. During filling, a feeding cylinder in an ink bag type filling automatic production line pushes ink in an ink conveying pipeline to advance, the advancing ink extrudes the slit-shaped discharge hole 38 on the drip-proof nozzle 34, and the slit-shaped discharge hole 38 is opened to realize feeding; after the feeding is finished, the pneumatic control valve 31 on the discharging pipe 32 is closed, and the slit-shaped discharging port 38 on the drip-proof nozzle 34 can be automatically closed under the action of elastic restoring force, so that the dripping of the ink can be effectively prevented, and the subsequent hot-press bag sealing can be smoothly carried out.

The drip-proof nozzle 34 can be further modified as follows: a pair of elastic ink-absorbing air bags 39 are symmetrically connected to two sides of the flat nozzle 37 of the drip-proof nozzle 34, the elastic ink-absorbing air bags 39 are communicated with the cutting surface of the flat nozzle 37 through a plurality of perforations 40 arranged on the cutting surface of the flat nozzle 37, and a pair of air bag baffles 41 are fixedly arranged on the outer sides of the pair of elastic ink-absorbing air bags 39.

Preferably, the airbag baffle 41 is connected to the connecting tube 33 by a baffle bracket 42.

The drip-proof nozzle 34 of the above-described modified structure is provided with an elastic ink-absorbing bladder 39. Because the fixed air bag baffle 41 is arranged on the outer side of the elastic ink absorption air bag 39, the elastic ink absorption air bag 39 can compress the flat nozzle 37 under the condition of no material addition, so as to eliminate the gap between the cutting surfaces of the flat nozzle 37, thereby preventing ink from leaking; when feeding materials, the flat nozzle 37 is opened under the action of ink pressure to realize bag filling operation, and when the flat nozzle 37 is opened, the elastic ink absorption air bag 39 is pressed towards the direction of the air bag baffle 41 under the opening action of the flat nozzle 37, so that the elastic ink absorption air bag 39 is pressed to contract; after the feeding is finished, the pneumatic control valve 31 on the discharging pipe 32 is closed, the flat nozzle 37 on the anti-drip nozzle 34 is automatically closed under the action of elastic restoring force, the elastic ink absorption air bag 39 is also expanded and restored under the action of the elastic restoring force while the flat nozzle 37 of the anti-drip nozzle 34 is closed, so that negative pressure is formed inside the elastic ink absorption air bag 39, and ink remained at the opening part of the flat nozzle 37 can be slowly sucked into the air bag 39 through the plurality of through holes 40 arranged on the cutting seam surface of the flat nozzle 37. Therefore, the drip-proof nozzle 34 provided with the elastic ink-absorbing bladder 39 is more resistant to dripping.

The ink absorbing speed of the elastic ink absorbing bladder 39 can also be adjusted by appropriately setting the size of the elastic ink absorbing bladder 39 and the number and size of the perforations 40. For example, it may be arranged to maintain the elastic ink-absorbing bladder 39 in a negative pressure ink-absorbing state at all times during the sealing of the bag 8 to further improve the reliability of drip-proof thereof.

In this embodiment, a signal control line for controlling the actions of the bag opening closing and tightening cylinder 6, the bag clamping cylinder 10, the bag suction cylinder 11, the bag opening suction cup 12, the bag sealing cylinder 13, the heat sealing device 14, the photoelectric switch 19, the conveyer belt 26 and the bag feeding manipulator 27 is connected with a PLC controller.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An automatic ink bagging mechanism is characterized by comprising a bag feeding guide seat, a bag clamping assembly, a bag opening assembly, a bag sealing assembly and an ink filling and feeding device which are sequentially arranged from bottom to top; the bag feeding guide seat is provided with a guide groove for guiding a bag to be accurately placed, and the guide groove is vertically arranged; the bag clamping assembly comprises a pair of movable bases and a pair of bag clamping cylinders, wherein the movable bases are driven by a pair of bag opening closing and tightening cylinders to be close to and away from each other; the bag opening assembly comprises a pair of bag suction cylinders which are respectively arranged at two sides of the outer surface of the bag, and the front end of each bag suction cylinder is connected with a bag opening sucker facing the outer surface of the bag; the bag sealing assembly comprises a heat sealing device driven by a pair of bag sealing air cylinders, and a pair of heat sealing heads of the heat sealing device are respectively arranged at two side parts of the outer surface of the bag opening.

2. The automatic ink bagging mechanism according to claim 1, further comprising a bag height detecting device disposed above the bag feeding guide seat, wherein the bag height detecting device comprises a horizontal bag touching rod disposed above a side edge of the bag, the horizontal bag touching rod is connected with a guide rod vertically disposed upward and vertically movable, the upper end of the guide rod is connected with a blocking piece vertically movable together with the guide rod, and photoelectric switches for detecting the position of the blocking piece are fixedly disposed on two sides of a path along which the blocking piece moves upward and downward.

3. The automatic ink bagging mechanism of claim 1, wherein a bag opening suction cup at the front end of the bag suction cylinder is connected with a vacuum generator.

4. The automatic ink bagging mechanism of claim 1, wherein the bag clamping assembly further comprises a positioning block connected to the movable base and used for positioning the outer surface of the side portion of the bag, and a clamping block connected to the front end of the bag clamping cylinder and used for clamping the side portion of the bag to the positioning block.

5. The automatic ink bagging mechanism according to claim 1, wherein the bag feeding guide seat further comprises a vertically arranged bottom plate, the vertically arranged guide grooves are arranged on two sides of the front surface of the bottom plate, and the front surface of the bottom plate is provided with a concave arc surface to form a free falling channel space of the bag filled with the ink.

6. The automatic ink bagging mechanism according to claim 2, wherein a conveyor belt is arranged below the bag feeding guide seat.

7. The automatic ink bagging mechanism according to claim 6, further comprising a bag feeding manipulator for conveying the bag into the bag feeding guide seat, wherein a bag feeding suction cup for picking up the bag and transferring the bag into the bag feeding guide seat is arranged at the front end of the bag feeding manipulator.

8. The automatic ink bagging mechanism according to claim 1, wherein the ink filling and feeding device comprises a discharge pipe for outputting ink and a drip-proof nozzle which is installed and connected to the discharge pipe through a connection pipe, a pneumatic control valve for opening or closing the discharge pipe is arranged on the discharge pipe, the drip-proof nozzle is a flexible pipe body made of elastic rubber, the flexible pipe body comprises an installation connection section pipe body and a discharge section pipe body, the front end of the discharge section pipe body is of a flat nozzle structure, and the discharge port of the flat nozzle is a slit-shaped discharge port.

9. The automatic ink bagging mechanism as claimed in claim 8, wherein a pair of elastic ink-absorbing air bags are symmetrically connected to both sides of the flat nozzle of the drip-proof nozzle, the elastic ink-absorbing air bags are communicated with the cutting plane of the flat nozzle through a plurality of through holes formed in the cutting plane of the flat nozzle, and a pair of air bag baffles are fixedly arranged outside the pair of elastic ink-absorbing air bags.

10. The automatic ink bagging mechanism of claim 7, wherein signal control lines for controlling the actions of the bag opening closing and tightening cylinder, the bag clamping cylinder, the bag sucking cylinder, the bag opening sucker, the bag sealing cylinder, the heat sealing device, the photoelectric switch, the conveying belt and the bag conveying manipulator are connected with a PLC (programmable logic controller).