CN105691776B - A kind of dangerization powder packaging production line and its production technology - Google Patents

Abstract

The invention provides a hazardous chemical powder packaging production line and its production process, through the bag supply, barrel supply, metering, sorting and packaging, bag binding, exhaust shaping, bag folding, cover, and locking on the conveying line. Working together, it is possible to pack powdery materials into packaging bags and packaging barrels. Realize the clean packaging of hazardous powder, prevent dust from dispersing, effectively reduce dust pollution on the packaging site, and avoid workers working in harsh environments; the powder and gas components are separated during the packaging process, effectively preventing dust from overflowing and packaging bags from exiting Finally, prevent the boring drop hanging at the outlet of the packaging machine from polluting the environment of the packaging site.

Description

A hazardous chemical powder packaging production line and its production process

technical field

The invention relates to hazardous chemical powder packaging, in particular to a hazardous chemical powder packaging production line and its production process.

Background technique

The fully automatic packaging production line for bagged powder is an important equipment for the continuous development of the domestic packaging industry. Due to the changeable physical properties of powder materials, it brings individualized and diversified requirements for powder packaging methods, but there are higher requirements for packaging technology. Difficulty, and the current packaging production line for hazardous powders is basically blank in my country.

Contents of the invention

The invention provides a hazardous chemical powder packaging production line and its production process. The specific technical scheme is as follows:

A hazardous chemical powder packaging production line, characterized in that it includes a bag feeding device, a bag clip assembly, a metering device, a feeding device, a primary tightening device for inner bags, a secondary tightening device for inner bags, and an outer bag fastening device;

The metering device includes a metering system frame, a limit cylinder, an arc push plate, a weighing cylinder, a push rod, a material receiving tray, an inclined rolling conveyor line, a funnel support frame, and a copper sleeve; the metering system frame is a square , the funnel support frame is located above the metering system frame, and a load cell is arranged between the funnel support frame and the metering system frame; the adjacent two sides of the metering system frame are respectively perpendicular to the sides with limited position cylinder, the extension lines of the two limit cylinders are perpendicular to each other, and the end of the limit cylinder near the funnel support frame is provided with an arc-shaped push plate; the central position above the inner bottom of the funnel support frame is provided with a receiving tray , the push rod passes through the material receiving tray from bottom to top, and the copper sleeve for the push rod to pass is arranged on the material receiving tray; the top of the push rod is provided with an inclined rolling conveyor line, and the There is a weighing cylinder at the bottom;

The primary tightening device for the inner bag includes an inner bag tie device, a pull-down outer bag device and an inner bag exhaust shaping device;

The secondary tightening device of the inner bag includes an inner bag tie opening rotating device;

The outer bag tightening device includes an outer bag exhaust shaping device, a pull-up outer bag device, and an outer bag tie device.

There are four pull-down outer bag devices in the above-mentioned one-time tightening device for the inner bag, which are symmetrically arranged on both sides of the roller table, and an inner bag exhaust shaping device is arranged in the middle of the two pull-down outer bag devices on the same side; The device is located above and between the pull-down outer bag device and the inner bag exhaust shaping device;

There are four pull-up outer bag devices in the outer bag tightening device, which are symmetrically arranged on both sides of the roller table, and an outer bag exhaust shaping device is arranged in the middle of the two pull-up outer bag devices on the same side; The device is located above and between the pull-up outer bag device and the outer bag exhaust shaping device;

The structure of the inner bag tie device and the outer bag tie device is consistent, including guide rail positioning seat plate, vertical guide rail slider, tie guide sleeve, top pressure tie cylinder, clamping push plate, cylinder push plate beam, tie tie The guide rail connecting plate, the tie opening connection positioning plate, the tie support seat plate, and the vertical guide rail arranged on one side of the guide rail positioning seat plate, the downward moving tie tie cylinder and the tie storage bin; the vertical guide rails are 2, and the The down-moving cable tie cylinder is located between two vertical guide rails, and the vertical guide rails and the down-moving cable tie cylinder are parallel to each other; a cylinder push plate beam is arranged below the down move cable tie cylinder, and the cylinder push plate beam passes through the tie-in guide rail The connecting plate is connected with the tie-up connection positioning plate, and the tie-up connection positioning plate is connected with the vertical guide rail through the vertical guide rail slider; the tie support seat plate is located under the cylinder push plate crossbeam, and the tie tie support seat plate is close to the guide rail One side of the positioning seat plate is provided with a cable tie to move the left positioning plate up and down and a cable tie to move the right positioning plate up and down. The cable tie supports the seat plate to move the left positioning plate up and down through the cable tie and the cable tie to move the right positioning plate up and down. The plate beam is fixedly connected; the cable tie support seat is provided with a tightening cable tie cylinder, a horizontal guide rail and a finger cylinder backing plate on the horizontal guide rail, and the finger cylinder backing plate passes through the horizontal guide rail slider and the horizontal guide rail. Sliding connection, the tightening cable tie cylinder is parallel to the horizontal guide rail and fixedly connected with the backing plate of the clamping finger cylinder; the backing plate of the clamping finger cylinder is provided with a clamping belt clamping finger cylinder, and the clamping belt clamping finger cylinder is provided with Entrainment fingerboard; the cable tie storage bin is cylindrical with both ends open, and a gap is provided from top to bottom on the tube wall on the side close to the guide rail positioning seat plate, and a cylinder supporting plate is arranged under the cable tie storage bin. A cable tie feeding cylinder is arranged on the cylinder supporting plate, and the cylinder supporting plate is fixedly connected with the guide rail positioning seat plate through the cable tie supporting plate. Clamping tie cylinder, the top of the push rod of the top pressure tie cylinder is provided with a clamping push plate, and the clamping push plate can reciprocate perpendicular to the guide rail positioning seat plate under the action of the top pressure tie cylinder; the tie guide The sleeve is located between the cable tie storage bin and the cable tie support seat plate, and the cable tie guide sleeve is fixedly connected with the right positioning plate that moves up and down the cable tie through the tie bar into the seat;

The pull-down outer bag device includes a downward pull-down bag cylinder, a pull-down mouth cylinder positioning seat, a bag-pull mouth guide rail, a bag-pull mouth guide rail slider, a bag-pull mouth guide rail positioning plate, a bag-pull mouth cylinder one, a bag-pull mouth cylinder two, and a pull-down bag mouth guide rail slider. Pocket mouth folder refers to connecting plate, pocket mouth cylinder, pocket mouth upper splint, pocket mouth lower splint; said downward pull bag cylinder passes through the frame from top to bottom and is fixedly connected with the frame, said downward pull bag cylinder The upper end of the lower mouth cylinder is provided with a positioning seat, and the lower mouth cylinder positioning seat is provided with a pocket opening guide rail; the pocket opening guide rail positioning plate is connected with the pocket opening guide rail through the pocket opening guide rail slider; The positioning seat is provided with a pocket opening cylinder that can drive the pocket opening guide rail slider to move back and forth; the pocket opening guide rail positioning plate is provided with a pocket opening cylinder two that is in the same direction as the pocket opening cylinder one. The two front ends of the pocket opening cylinder are sequentially provided with a pull-down pocket opening clamp finger connecting plate and a pocket opening cylinder, and the pocket opening cylinder is provided with an upper splint for the pocket opening and a lower splint for the pocket opening;

The structure of the pull-up outer bag device is consistent with that of the pull-down outer bag device, but the running direction is opposite to that of the pull-down outer bag device.

The structure of the inner bag exhaust shaping device and the outer bag exhaust shaping device are consistent, including a telescopic air bag, an air bag positioning plate, an exhaust cylinder mounting seat plate, an air bag pushing cylinder, a bag clamping cylinder mounting seat, and a bag clamping cylinder, Bag clamping block, side clamping bag cylinder mounting seat, side clamping bag cylinder, clamping mouth mounting seat, clamping mouth cylinder, clamping mouth mounting plate, pocket opening clip; the airbag pushing cylinder is fixed on the On the frame, the telescopic airbag is connected with the moving end of the push airbag cylinder through the airbag positioning plate, and the telescopic airbag moves to the middle of the frame on the left and right sides under the action of the push airbag cylinder; the bag clamping cylinder is fixed on the On the frame, the moving end of the bag clamping cylinder is provided with a bag clamping block, and the bag clamping block moves to the middle of the frame on the left and right sides under the action of the bag clamping cylinder; the side bag clamping cylinder is fixed by the side bag clamping cylinder mounting seat On the bag clamping cylinder mounting seat, the moving end of the side clamping bag cylinder is provided with a jaw mounting seat, and the jaw mounting seat is provided with a clamping air cylinder, and the bag-receiving mouth clip passes through the clamping mounting plate and the clip. The moving end of the mouth cylinder is connected, and the bag receiving folder moves to the middle of the left and right sides of the frame under the action of the jaw cylinder, and the movement direction is parallel to the running direction of the assembly line;

A bag air inlet is arranged above the bag clip block of the bag clip exhaust device on the frame on one side.

The two bag-clamping blocks move toward the middle of the left and right sides of the frame under the action of the bag-clamping cylinder and contact each other, and the contact surfaces of the two bag-clamping blocks are wavy shapes that cooperate with each other.

The secondary tightening device of the inner bag includes an inner bag tie-up rotating device, including a cable tie tie-up device, a rotating device, and a bag-clamping shaping device;

The tie tie device is consistent with the inner bag tie device and the outer bag tie device,

The rotating device includes a rotating guide rail backing plate, a push slider, a rotating guide rail, a rack and pinion, a clamping finger cylinder, a clamping finger cylinder positioning plate, a clamping finger splint, and a pushing slide plate; the rotating guide rail backing plate is provided with a pushing cylinder and 2 push guide rails that are consistent with the push direction of the push cylinder, the push slide plate is located above the 2 push guide rails, and is vertically connected with the push guide rails through the push slide block; gears are arranged on the two sides opposite to the length direction of the push slide plate Shaft positioning plate, the rotating guide rail is located between the two gear shaft positioning plates and is fixedly connected with it; It is connected with the rotating cylinder for rotary motion; the finger cylinder is connected with the gear in the rack and pinion through the positioning plate of the finger cylinder. , Finger pinch cylinder, finger pinch splint rotate.

The pocket shaping device includes two symmetrical bag clamping cylinder mounts, on which are provided a clamping mount and a bag clamping cylinder that controls the forward and backward movement of the clamping mount, and the clamping mount A clamp mounting plate and a clamp cylinder for controlling the left and right movement of the clamp mounting plate are arranged on the top, and the clamp mounting plate is provided with a clamp.

The working steps of the inner bag secondary tightening device are as follows:

(1) Clamping bag, the inner layer packaging bag that has been tied in the wooden barrel conveyed by the power roller conveyor, when the inner layer packaging bag moves to the designated position, use the gripper on the rotating device (2) Clamp the opening of the inner packaging bag, and then rotate it so that the opening of the bag rotates 180 degrees;

(2) Shaping, use the bag clipping device (3) to clamp the inner bag mouth that has been rotated 180 degrees, and gather the rotated inner packaging bag;

(3) Tie the mouth, use the tie tie device (1) to tie the folded packaging bag.

As described in step 3), the cable tie feeding cylinder sends the cable tie to the seat of the tie bar, and at the same time, the clamping finger cylinder clamps one end of the cable tie; then, under the action of the cable tie cylinder moving down, push the cable tie The mouth assembly moves downward, so that the inner packaging bag mouth of the closed mouth passes through the tie through the tie guide sleeve; finally, under the action of the tightening tie cylinder, the tie is tightened, thereby tightening the bag mouth.

The present invention also provides a process for packaging hazardous powder using a hazardous chemical powder packaging production line, the steps are as follows: (1) first open the double-layer packaging bag and clamp it to the discharge port of the hopper through the bag clamping assembly;

(2) Transport the packaging barrel to the metering device through the roller table, so that the double-layer packaging bag is located in the packaging barrel, and weigh the weight of the barrel and the bag;

(3) After putting an appropriate amount of powder material into the packaging bag through the discharge port, the bag clip assembly is released, and the packaging barrel containing the material is transported to the primary tightening device of the inner bag through the roller table, and pulled down by the pull-down outer bag device The outer bag opening, the inner bag opening is sorted by the inner bag exhaust shaping device, the air in the inner bag is discharged, the inner bag opening is closed, and the inner bag opening is tied tightly by the inner bag opening device;

(4) The packaging barrel that has passed through the primary tightening device of the inner bag continues to be transported to the secondary tightening device of the inner bag through the roller table, and the part above the cable tie of the inner bag that has been tied once is moved to the inner bag through the inner bag tightening rotating device Fold down, and tie the folded inner bag again with cable ties;

(5) The packaging barrel that has passed through the secondary tightening device of the inner bag continues to be transported to the tightening device of the outer bag through the roller table, and is lifted up by pulling the outer bag device to hold the mouth of the outer bag. After the lifting is in place, the mouth of the bag is released , arrange the outer bag mouth and exhaust through the outer bag exhaust shaping device, and tighten the outer bag mouth through the outer bag tie device;

(6) Convey to the finished product through the roller table, cover the packaging barrel, seal the wax, and lock it to complete the packaging.

The beneficial technical effect of the present invention is:

Realize the clean packaging of hazardous powder, prevent dust from dispersing, effectively reduce dust pollution on the packaging site, and avoid workers working in harsh environments; the powder and gas components are separated during the packaging process, effectively preventing dust from overflowing and packaging bags from exiting Finally, prevent the boring drop hanging at the outlet of the packaging machine from polluting the environment of the packaging site.

Description of drawings

Fig. 1 is the production line schematic diagram of the present invention;

Among them: roller conveying device 1, packaging barrel 2, bag supply system 3, bag clamping assembly 4, metering device 5, feeding device 6, inner bag primary tightening device 7, inner bag secondary tightening device 8, outer bag Fastening device 9;

Fig. 2 is a process flow diagram of the present invention;

Fig. 3 is the front view of the inner bag tie device and the outer bag tie device;

Fig. 4 is a left view of the inner bag tie device and the outer bag tie device;

Fig. 5 is a top view of the inner bag tie device and the outer bag tie device;

Fig. 6 is a vertical view of the inner bag tie device and the outer bag tie device;

Fig. 7 is a structural schematic diagram of a tightening device for the inner bag and a tightening device for the outer bag;

Fig. 8 is a front view of the inner bag one-time tightening device and the outer bag tightening device without a tie device;

Fig. 9 is a right view of the inner bag one-time tightening device and the outer bag tightening device without a tie device;

Figure 10 is a top view of the inner bag one-time tightening device and the outer bag tightening device without the tie-up device;

Fig. 11 is a schematic structural view of the inner bag secondary tightening device;

Fig. 12 is a front view of the rotating device in the secondary tightening device of the inner bag;

Fig. 13 is a left view of the rotating device in the secondary tightening device of the inner bag;

Fig. 14 is a front view of the bag clamping and shaping device in the inner bag secondary tightening device;

Fig. 15 is a left view of the bag clamping and shaping device in the inner bag secondary tightening device;

Figure 16 is a front view of the metering device;

Figure 17 is a left side view of the metering device;

Figure 18 is a top view of the metering device;

Figure 19 is a cross-sectional view of the metering device;

Fig. 20 is a partial structural schematic diagram of the rotating device in the rotating device in the secondary tightening device of the inner bag;

Fig. 21 is a partial structural schematic diagram of the rotating device in the rotating device in the secondary tightening device of the inner bag;

Fig. 22 is a partial structural schematic diagram of the inner bag tie device and the outer bag tie device.

detailed description

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

A hazardous chemical powder packaging production line, including a bag feeding device (3), a bag clamping assembly (4), a metering device (5), a feeding device (6), an inner bag one-time tightening device, and an inner bag Secondary tightening device, outer bag tightening device;

The metering device (5) includes a metering system frame, a limit cylinder, an arc-shaped push plate, a weighing cylinder, a push rod, a material receiving tray, an inclined rolling conveyor line, a funnel support frame, and a copper sleeve; the metering system machine The frame is square, the funnel support frame is located above the metering system frame, and a load cell is arranged between the funnel support frame and the metering system frame; the two adjacent sides of the metering system frame are respectively perpendicular to the side Limiting cylinders are arranged on the side, and the extension lines of the two limiting cylinders are perpendicular to each other. The end of the limiting cylinder close to the funnel support frame is provided with an arc-shaped push plate; the central position above the inner bottom of the funnel support frame is provided with a The material receiving tray, the push rod passes through the material receiving tray from bottom to top, and the copper sleeve for the push rod to pass is arranged on the material receiving tray; the top of the push rod is provided with an inclined rolling conveying line, and the inclined rolling There is a weighing cylinder at the bottom of the conveying line;

The primary tightening device for the inner bag includes an inner bag tie device, a pull-down outer bag device and an inner bag exhaust shaping device;

The secondary tightening device of the inner bag includes an inner bag tie opening rotating device;

The outer bag tightening device includes an outer bag exhaust shaping device, a pull-up outer bag device, and an outer bag tie device.

There are four pull-down outer bag devices in the above-mentioned one-time tightening device for the inner bag, which are symmetrically arranged on both sides of the roller table, and an inner bag exhaust shaping device is arranged in the middle of the two pull-down outer bag devices on the same side; The device is located above and between the pull-down outer bag device and the inner bag exhaust shaping device;

There are four pull-up outer bag devices in the outer bag tightening device, which are symmetrically arranged on both sides of the roller table, and an outer bag exhaust shaping device is arranged in the middle of the two pull-up outer bag devices on the same side; The device is located above and between the pull-up outer bag device and the outer bag exhaust shaping device;

The inner bag tie device and the outer bag tie device have the same structure, including guide rail positioning seat plate (11a), vertical guide rail slider (111a), tie guide sleeve (115a), top pressure tie cylinder (116a), Clamping push plate (117a), cylinder push plate beam (118a), binding guide rail connecting plate (119a), binding positioning positioning plate (120a), cable tie support seat plate (18a), and positioning seat plate set on the guide rail (11a) the vertical guide rail (13a) on one side, the lower cable tie cylinder (113a) and the cable tie storage bin (121a); the vertical guide rails (13a) are two, and the lower cable tie cylinder (113a) It is located between two vertical guide rails (13a), and the vertical guide rails (13a) and the down-moving cable tie cylinder (113a) are parallel to each other; a cylinder push plate beam (118a) is arranged under the down-moving cable tie cylinder (113a), The cylinder push plate beam (118a) is connected to the tie connection positioning plate (120a) through the tie guide rail connecting plate (119a), and the tie connection positioning plate (120a) is connected to the vertical guide rail through the vertical guide rail slider (111a) (13a) connection; the cable tie support seat plate (18a) is located under the cylinder push plate beam (118a), and the cable tie support seat plate (18a) is provided on one side close to the guide rail positioning seat plate (11a) The cable tie moves the left positioning plate (110a) up and down and the cable tie moves the right positioning plate (19a) up and down, and the cable tie support seat plate (18a) moves the left positioning plate (110a) up and down through the cable tie and the right positioning plate ( 19a) is fixedly connected with the cylinder push plate crossbeam (118a); the cable tie support seat plate (18a) is provided with a tightening cable tie cylinder (114a), a horizontal guide rail (16a) and a clamp on the horizontal guide rail (16a) Refers to the cylinder backing plate (17a), the clamp finger cylinder backing plate (17a) is slidingly connected to the horizontal guide rail (16a) through the horizontal guide rail slider (112a), and the tensioning strap cylinder (114a) is connected to the horizontal guide rail (16a ) parallel to and fixedly connected with the clamping finger cylinder backing plate (17a); the clamping belt clamping finger cylinder (14a) is arranged on the clamping finger cylinder backing plate (17a), and the clamping belt clamping finger cylinder (14a) is provided with The entrainment fingerboard (15a); the cable tie storage bin (121a) is a cylindrical shape with two ends open, and a gap is provided from top to bottom on the wall of the cylinder on the side close to the guide rail positioning seat plate (11a), and the cable tie A cylinder supporting plate (125a) is arranged under the storage bin (121a), and a cable tie feeding cylinder (123a) is arranged on the cylinder supporting plate (125a), and the cylinder supporting plate (125a) passes the cable tie supporting plate (122a) and the guide The positioning seat plate (11a) is fixedly connected, and the top pressure tie cylinder (116a) is arranged on the tie support plate (122a) near the side with a gap in the tie storage bin (121a), and the top pressure tie cylinder ( The top of the push rod of 116a) is provided with a clamping push plate (117a), and the clamping push plate (117a) can press the tie cylinder (116 Under the action of a), the seat plate (11a) is positioned perpendicular to the guide rail to reciprocate; the tie guide sleeve (115a) is located between the tie storage compartment (121a) and the tie support seat plate (18a), and the tie guide The cover (115a) is fixedly connected with the right positioning plate (19a) moving up and down with the cable tie through the tie strip into the seat (12a);

As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the main executive parts of the cable tie binding device include a guide rail positioning seat plate 11a, a draw bar entry seat 12a, a vertical guide rail 13a, and a clamp finger Cylinder 14 a, clamping finger plate 15 a, horizontal guide rail 16 a, clamping finger cylinder backing plate 17 a, cable tie support seat plate 18 a, cable tie moving up and down right positioning plate 19 a, cable tie moving up and down left positioning plate 110 a , Vertical guide rail slider 111 a, horizontal guide rail slider 112 a, down-moving cable tie cylinder 113 a, tightening cable tie cylinder 114a, tie-in guide sleeve 115 a, top pressure cable tie cylinder 116 a, clamping push plate 117 a. Cylinder push plate crossbeam 118 a, tie guide rail connecting plate 119 a, tie connection positioning plate 120 a, tie storage bin 121 a, tie support plate 122 a, tie delivery cylinder 123 a.

Move down the cable tie cylinder 113 a and install it on the guide rail positioning seat plate 11 a through screws, clamp the cable tie finger cylinder 14 a through screws and install it on the cable tie support seat plate 18 a, and install the cable tie cylinder 123 on the cable tie support seat plate through screws. On the belt pallet 122a. One end of the clamp finger cylinder backing plate 17 a is connected with the tightening cable tie cylinder 114 a, and is also installed on the horizontal guide rail slider 112 a by screws, and the horizontal guide rail 16 a is fixed on the cable tie support seat plate 18 a by screws. Can move back and forth horizontally along the horizontal guide rail 16a under the effect of the tightening cable tie cylinder 114a. The clamping belt clamping finger cylinder 14 a is fixed on the clamping finger cylinder backing plate 17 a by screws, and the clamping finger plate 15 a is fixed on the clamping belt clamping finger cylinder 14 a by screws, and can be attached to the clamping belt clamping finger cylinder 14 a The role of clamping and opening. The cable tie support seat plate 18 a is connected with the cylinder push plate crossbeam 118 a by the cable tie moving up and down the right positioning plate 19 a and the cable tie moving the left positioning plate 110 a up and down, and the connection mode is fixed by screws. The cylinder push plate crossbeam 118a is connected with the tie connection positioning plate 120a through the tie guide rail connecting plate 119a, and the connection mode is fixed by screws. The vertical guide rail slider 111 a is fixed on the tie-in connection positioning plate 120 a by screws. The vertical guide rail 13 a is fixed on the guide rail positioning seat plate 11 a by screws. The tie bar enters the seat 12a and is fixed on the cable tie to move up and down on the right positioning plate 19a by screws, and the tie guide sleeve 115a is fixed on the draw tie bar enters the seat 12a by screws. Under the action of cylinder 113a moving down the cable tie, the cylinder pushes the crossbeam 118a, the tie guide rail connecting plate 119a, the tie connection positioning plate 120a, the horizontal guide rail slider 112a, and the tie tie cylinder 114a , binding guide sleeve 115 a, clamping belt clamping finger cylinder 14 a, clamping finger plate 15 a, horizontal guide rail 16 a, clamping finger cylinder backing plate 17 a, cable tie support seat plate 18 a, cable tie moving up and down to the right Plate 19 a, cable ties move up and down, left positioning plate 110 a, tie bar entry seat 12 a can move down along vertical guide rail 13 a. Top pressure strap cylinder 116 a is fixed with strap supporting plate 122 a by screw, and clamping push plate 117 a is connected with top pressure strap cylinder 116 a.

When the device is in motion, the top-pressing cable tie cylinder does a push motion, which drives the clamping push plate to withstand the cable tie, preventing the cable tie in the cable tie storage compartment from sliding down. The cable tie feeding cylinder makes a push movement, pushes a cable tie into the tie bar and seats, and then the clamping finger cylinder performs a clamping movement, driving the clamping fingerboard to clamp the head of the cable tie. Then move the cable tie cylinder down to make a push movement, driving the cylinder to push the beam, the tie guide rail connecting plate, the tie connection positioning plate, the tie guide sleeve, the finger cylinder backing plate, the tie support seat plate, and the tie to move up and down The positioning plate, the cable tie move up and down the left positioning plate, the entrainment fingerboard, the seat of the tie bar, the tensioning cable tie cylinder and the clamping finger cylinder of the cable tie, the horizontal guide rail slider, and the horizontal guide rail move downward to make the The inner packaging bag mouth passes through the cable tie by entraining the fingerboard and the tie strip into the seat, that is, the cable tie cylinder sends the tie to the tie strip into the seat, and at the same time, the clamping finger cylinder clamps one end of the tie; Then, under the action of the cable tie cylinder moving down, push the tie closure assembly to move downwards, so that the inner packaging bag mouth of the closed mouth passes through the tie tie through the tie guide sleeve; finally, under the action of the tie tie cylinder , thus tightening the pocket.

The pull-down outer bag device includes a downward pull-down bag cylinder (21b), a pull-down port cylinder positioning seat (22b), a bag-drawing guide rail (23b), a bag-drawing guide rail slider (24b), a bag-drawing guide rail positioning plate (25b) ), pull bag mouth cylinder one (26b), pull bag mouth cylinder two (27b), pull down bag mouth clip finger connecting plate (28b), clip bag mouth cylinder (29b), clip bag mouth splint (210b), clip bag mouth Lower splint (211b); the downward pulling bag cylinder (21b) passes through the frame from top to bottom and is fixedly connected with the frame, and the upper end of the downward pulling bag cylinder (21b) is provided with a lower opening cylinder positioning seat (22b ), the lower opening cylinder positioning seat (22b) is provided with a pocket guide rail (23b); the pocket guide rail positioning plate (25b) passes through the pocket guide rail slider (24b) and the pocket guide rail (23b) Connect; the said pull mouth cylinder positioning seat (22b) is provided with the pull bag mouth cylinder one (26b) which can drive the pull bag mouth guide rail slider (24b) to move back and forth; the said pull bag mouth guide rail positioning plate (25b) The upper part is provided with the second pocket opening cylinder (27b) which is consistent with the movement direction of the pocket opening cylinder one (26b). mouth cylinder (29b), the pocket mouth cylinder (29b) is provided with the upper splint (210b) of the pocket mouth and the lower splint (211b) of the pocket mouth;

The structure of the pull-up outer bag device is consistent with that of the pull-down outer bag device, but the running direction is opposite to that of the pull-down outer bag device.

The structure of the inner bag exhaust shaping device is the same as that of the outer bag exhaust shaping device, including a telescopic air bag (31b), an air bag positioning plate (32b), an exhaust cylinder mounting seat plate (33b), and an air bag pushing cylinder (34b) , bag clamping cylinder mounting seat (35b), bag clamping cylinder (36b), bag clamping block (37b), side bag clamping cylinder mounting seat (39b), side bag clamping cylinder (310b), jaw mounting seat (311b) , clamping cylinder (312b), clamping mounting plate (313b), bag receiving clamp (314b); the push air bag cylinder (34b) is fixed on the frame through the exhaust cylinder mounting seat plate (33b), and the The telescopic airbag (31b) is connected to the moving end of the push airbag cylinder (34) through the airbag positioning plate (32b), and the telescopic airbag (31b) moves to the middle of the left and right sides of the frame under the action of the push airbag cylinder (34b); The air cylinder (36b) is fixed on the frame through the bag clamping cylinder mounting seat (35b). The moving end of the bag clamping cylinder (36b) is provided with a bag clamping block (37b). ) to move toward the middle of the left and right sides of the frame; the side pocket cylinder (310b) is fixed on the pocket cylinder mount (35b) through the side pocket cylinder mounting seat (39b), and the side pocket cylinder The moving end of (310b) is provided with a jaw installation seat (311b), and the jaw installation seat (311b) is provided with a jaw cylinder (312b), and the pocket pocket clip (314b) passes through the jaw installation plate ( 313b) is connected to the moving end of the clamping cylinder (312b), and the bag receiving clamp (314b) moves to the middle of the left and right sides of the frame under the action of the clamping cylinder (312b), and the moving direction is parallel to the running direction of the assembly line;

A bag air intake port (316b) is arranged above one of the bag clip blocks (37b).

The two bag-clamping blocks (37b) move toward the middle of the left and right sides of the frame under the action of the bag-clamping cylinder (36b) and contact each other, and the contact surfaces of the two bag-clamping blocks (37b) are mutually matched. of wavy.

The specific operation steps of the above-mentioned one-time tightening device for the inner bag are as follows:

1) Bag clamping, the double-layer packaging bag packed in wooden barrels conveyed by the power roller conveyor, and the opening of the inner packaging bag is clamped by the clamping block assembly;

2) Pull-down outer bag, there is a pull-down outer bag assembly at four different positions of the packaging bag, use the pull-down outer bag assembly to pull down the outer packaging bag;

3) Exhaust, use the exhaust assembly to squeeze out the remaining air in the inner packaging bag;

4) Closing the bag mouth, using the clamp assembly to gather the inner packaging bag that has been exhausted, so that it is easy to tie the mouth;

5) Tie the mouth of the closed packaging bag by using the tie assembly.

Wherein, in step 1), when the double-layer packaging bag moves to the specified position, the two clamping blocks of the clamping block assembly clamp the inner packaging bag under the action of the two bag clamping cylinders.

In step 2), for each pull-down outer bag assembly, firstly, under the action of the double-rod cylinder, the fingers of the finger cylinder are inserted into the outer packaging bag; then the finger cylinder clamps the opening of the outer packaging bag ; Subsequently, a small cylinder pulls the double-rod cylinder backwards, so that the outer packaging bag is tightened; finally, under the action of the downward pulling bag cylinder, the entire outer packaging bag is pulled down.

In step 3), under the action of the two push airbag cylinders, two inflatable airbags approach the inner packaging bag from both sides, and then start to slowly inflate the airbags to slowly squeeze out the air in the inner packaging bag.

In step 4), first push the jaw assembly to the designated position under the action of the side bag clamping cylinder; then, the two pockets in the jaw assembly are clamped under the action of the two jaw Layer pockets gather.

In step 5), first, the cable tie feeding cylinder sends the cable tie to the seat of the tie bar, and at the same time, the clamping finger cylinder clamps one end of the cable tie; then, under the action of the cable tie cylinder moving down, push the cable tie The mouth assembly moves downward, so that the inner packaging bag mouth of the closed mouth passes through the tie through the tie guide sleeve; finally, under the action of the tightening tie cylinder, the tie is tightened, thereby tightening the bag mouth.

In particular, in order to achieve the stability of the pull-down outer bag, the method of pulling down at four different positions at the same time is adopted; in order to facilitate the second closing after the first clipping of the bag, the clamping block of the first clipping bag adopts a wave shape ;In order to prevent the material in the inner packaging bag from flying out when exhausting, an air intake port is added above the clamp block, and the material is sucked away by negative pressure for recycling.

In actual work, the one-time fastening device of the inner bag needs to perform five processes, which are: clamp the inner packaging bag; pull down the outer packaging bag to the mouth of the barrel; squeeze out the air in the inner packaging bag; Close the mouth of the inner packaging bag that has been exhausted; tie the mouth of the bag that has been collected. The specific performance is as follows: when the double-layer packaging bags packed in wooden barrels conveyed by the power roller conveyor arrive at this station, first, the two bag-clamping cylinders 36b on both sides of the device perform a push motion to push the bag-clamping cylinders The clamping blocks (37b, 38b) and the clamping bag air inlet 316b fixed on the clamping block (37b, 38b) move forward, thereby clamping the inner packaging bag. Then, pull the bag mouth cylinder two 27b to do the push motion, push down the bag mouth clip finger connecting plate 28b, the upper clamping plate 210b of the pocket opening, the lower splint 211b of the pocket opening and the pocket opening cylinder 29b to move forward, so that the upper clamping plate of the pocket opening 210b stretches into the mouth of the outer packaging bag, and then the air cylinder 29b of the bag opening is clamped, so that the upper clamping plate 210b of the bag opening and the lower splint 211b of the bag opening clamp the outer packaging bag opening. Then draw bag opening cylinder one 26b and do backstroke motion, make drawing bag mouth guide rail slide block 24b, pull bag opening cylinder two 27b and clamp bag mouth cylinder 29b, draw bag mouth guide rail locating plate 25b, pull down bag mouth clamp finger connecting plate 28b, The upper splint 210b of the pocket opening and the lower splint 211b of the pocket opening move backward, thereby tightening the outer packaging pocket. Then pull down the bag cylinder 21b and do the return movement, drive the lower port cylinder positioning seat 22b and the bag opening guide rail positioning plate 25b fixed on the lower port cylinder positioning seat 22b, the lower bag mouth folder finger connecting plate 28b, and the clamping plate 210b on the bag mouth , the lower splint 211b of the pocket opening, the first cylinder of the pocket opening 26b, the second cylinder of the pocket opening 27b, the pocket opening cylinder 29b, the pocket opening guide rail 23b, and the pocket opening guide rail slider 24b moves downward, thereby pulling down the outer layer bags. Then, push the airbag cylinder 34b to do a push motion, so that the airbag positioning plate 32b and the airbag fixed on the airbag positioning plate 32b move obliquely downward, close to the inner packaging bag. Then start to inflate the flexible air bag 31b, and slowly extrude the air in the inner packaging bag. After the air in the inner packaging bag is exhausted, the two side clamping bag cylinders 310b make a push motion, respectively driving the clamping mounting base 311b and the clamping cylinder 312b and the clamping mounting plate 313b fixed on the clamping mounting base 311b , the pocket folder (314b, 315b) moves forward. Then, the two pinch cylinders 312b perform a push motion, driving the pinch mounting plate 313b and the pocket pocket clips (314b, 315b) to close in the middle, thereby tightening the pocket of the inner packaging bag. Finally, press the cable tie cylinder 116a to make a push movement, and drive the clamping push plate 117a to withstand the cable tie 124a, preventing the cable tie in the cable tie storage compartment 121a from sliding down. The cable tie feeding cylinder 123a makes a push motion, pushes a cable tie 124a into the tie bar inlet seat 12a, and then the cable tie clamping finger cylinder 14a performs a clamping movement, driving the clamping fingerboard 15a to clamp the head of the cable tie 124a. Then move down the cable tie cylinder 113a to do a push motion, drive the tie bar into the seat 12a, entrain the fingerboard 15a, clamp the finger cylinder backing plate 17a, the cable tie support seat plate 18a, and move the cable tie up and down the right positioning plate 19 a. The cable tie moves up and down the left positioning plate 110 a, the tie guide sleeve 115 a, the cylinder push plate beam 118 a, the tie guide rail connecting plate 119 a, the tie connection positioning plate 120 a, the tension tie cylinder 114 a and the clip The cable tie clip refers to the cylinder 14a, the horizontal guide rail slider 112a, and the horizontal guide rail 16a to move downwards, so that the inner packaging bag mouth of the stowed mouth passes through the cable tie 124a through the entrainment finger plate 15a and the tie strip entry seat 12a. Finally, tighten the cable tie cylinder 114a to do a return movement, tighten the cable tie, thereby tightening the bag mouth.

As shown in Figures 11-15, the secondary tightening device for the inner bag includes an inner bag tie-up rotating device, including a cable tie tie-up device, a rotating device, and a bag clipping and shaping device;

The binding device of the cable tie is consistent with the structure of the binding device of the inner bag and the closing device of the outer bag.

The rotating device includes a rotating guide rail backing plate (21c), a push slider (23c), a rotating guide rail (25c), a rack and pinion (28c), a clamp finger cylinder (210c), a clamp finger cylinder positioning plate (211c), a clamp Refers to the splint (212c), pushing the slide plate (213c); the rotating guide rail backing plate (21c) is provided with a pushing cylinder (24c) and 2 pushing guide rails (22c) that are consistent with the pushing direction of the pushing cylinder (24c), and the The push slide plate (213c) is located above the two push guide rails (22c), and is vertically connected with the push guide rails (22c) through the push slide block (23c); the push slide plate (213c) is provided with Gear shaft positioning plate (29c), the rotating guide rail (25c) is located between two gear shaft positioning plates (29c) and fixedly connected with it; the gear rack (28c) is located above the rotating guide rail (25c), and passes through The rotary slider (26c) is connected with the rotary guide rail (25c), and the rack and pinion (28c) is connected with the rotary cylinder (27c) which can drive it to rotate; the clamp finger cylinder (210c) passes through the clamp finger cylinder positioning plate ( 211c) is connected with the gear in the rack and pinion (28c), and the movable end of the clamping finger cylinder (210c) is provided with two clamping finger splints (212c), which sequentially drive the clamping finger cylinder positioning plate (211c) and the clamping finger cylinder through the rotation of the gears (210c), the clamping finger splint (212c) rotates.

The finger of the clamp finger cylinder (210c) is connected to the two clamp finger splints (212c) by bolts, and itself is connected to one end of the rectangular plate of the clamp finger cylinder positioning plate (211c) by bolts, and the clamp finger cylinder positioning plate (211c) The shaft end is connected with the gear by bolts.

The pocket shaping device includes two symmetrical bag clamping cylinder mounts (31c), and the bag clamping cylinder mounts (31c) are provided with a jaw mount (33c) and a control jaw mount (33c) before and after The moving clamping bag cylinder (32c), the jaw mounting plate (33c) is provided with a jaw mounting plate (35c) and a jaw cylinder (34c) that controls the left and right movement of the jaw mounting plate (35c), the clamp A jaw (36c) is provided on the mouth mounting plate (35c).

The working steps of the inner bag secondary tightening device are as follows:

(1) Clamping bag, the inner layer packaging bag that has been tied in the wooden barrel conveyed by the power roller conveyor, when the inner layer packaging bag moves to the designated position, use the gripper on the rotating device (2) Clamp the opening of the inner packaging bag, and then rotate it so that the opening of the bag rotates 180 degrees;

(2) Shaping, use the bag clipping device (3) to clamp the inner bag mouth that has been rotated 180 degrees, and gather the rotated inner packaging bag;

(3) Tie the mouth, use the tie tie device (1) to tie the folded packaging bag.

As described in step 3), the cable tie feeding cylinder sends the cable tie to the seat of the tie bar, and at the same time, the clamping finger cylinder clamps one end of the cable tie; then, under the action of the cable tie cylinder moving down, push the cable tie The mouth assembly moves downward, so that the inner packaging bag mouth of the closed mouth passes through the tie through the tie guide sleeve; finally, under the action of the tightening tie cylinder, the tie is tightened, thereby tightening the bag mouth.

Specifically: when the tied-up single-layer inner bag in the barrel is transported by the power roller conveyor, the cylinder is driven to drive the rotary guide rail, the rotary slider, the rotary cylinder, the rack and pinion, the gear shaft positioning plate, the clip The finger cylinder and the positioning plate of the finger cylinder move forward together to make the finger splint in place, and the finger splint holds the inner bag under the drive of the finger cylinder. The rotating cylinder drives the rack and pinion to make the finger cylinder and the finger cylinder The positioning plate and the clamping finger splint work together to hold the bag mouth and rotate it 180 degrees. The clamping cylinder drives the clamping cylinder, the clamping installation plate and the clamping joint to move forward together. Flip the bag mouth. At this time, the clamp finger cylinder releases the opening and returns to the position, and starts to tie the mouth. The top presses the cable tie cylinder to make a push movement, and drives the clamping push plate to withstand the cable tie, preventing the cable tie in the cable tie storage compartment. slide. The cable tie feeding cylinder makes a push movement, pushes a cable tie into the tie bar and seats, and then the clamping finger cylinder performs a clamping movement, driving the clamping fingerboard to clamp the head of the cable tie. Then move the cable tie cylinder down to make a push movement, driving the cylinder to push the beam, the tie guide rail connecting plate, the tie connection positioning plate, the tie guide sleeve, the finger cylinder backing plate, the tie support seat plate, and the tie to move up and down The positioning plate, the cable tie move up and down the left positioning plate, the entrainment fingerboard, the seat of the tie bar, the tensioning cable tie cylinder and the clamping finger cylinder of the cable tie, the horizontal guide rail slider, and the horizontal guide rail move downward to make the The inner package pocket is seated through the cable tie by entraining the fingerboard and the drawstring. Finally, tighten the cable tie cylinder to make a return movement, tighten the cable tie, and thereby tighten the bag mouth.

The specific steps of the outer bag tightening device are roughly the same as those of the inner bag primary tightening device, except that the action of pulling the bag opening downward in the inner bag primary tightening device is changed to upward pulling the bag opening.

As shown in Figure 16-19, the metering device includes a metering system frame (11d), a limit cylinder (13d), an arc push plate (14d), a weighing cylinder (22d), a push rod (23d), and a receiving tray ( 24d), inclined rolling conveying line (25d), funnel support frame (26d), copper sleeve (27d); the metering system frame (11d) is square, and the funnel support frame (26d) is located on the metering system frame ( 11d), a load cell (21d) is arranged between the funnel support frame (26d) and the metering system frame (11d); the two adjacent sides of the metering system frame (11d) are respectively perpendicular to the side Limiting cylinders (13d) are arranged on the side, and the extension lines of the two limiting cylinders (13d) are perpendicular to each other. The end of the limiting cylinders (13d) near the funnel support frame (26d) is provided with an arc-shaped push plate (14d ); the central position above the inner bottom of the funnel support frame (26d) is provided with a material receiving tray (24d), and the push rod (23d) passes through the material receiving tray (24d) from bottom to top, and the material receiving tray (24d) is provided with a copper sleeve (27d) for the push rod (23d) to pass through; the top of the push rod (23d) is provided with an inclined rolling conveying line (25d), and the bottom of the inclined rolling conveying line (25d) is provided There is a weighing cylinder (22d).

The metering system frame (11d) is provided with a square hole in the middle, and the four corners of the metering system frame (11d) are respectively provided with supporting feet (12d).

: There are two load cells (21d), which are symmetrically distributed on opposite sides of the square hole of the metering system frame (11d).

The number of the push rods (23d) is four, which are respectively located at the four corners of the inclined roller conveying line (25d).

The oblique rolling conveying line (25d) includes 2 groups of rollers distributed symmetrically, each group of rollers includes more than 2 rows of rollers arranged in parallel, and the 2 groups of rollers are perpendicular to each other.

The present invention also provides a process for packaging hazardous powder using a hazardous chemical powder packaging production line, the steps are as follows: (1) first open the double-layer packaging bag and clamp it to the discharge port of the hopper through the bag clamping assembly;

(2) Transport the packaging barrel to the metering device through the roller table, so that the double-layer packaging bag is located in the packaging barrel, and weigh the weight of the barrel and the bag;

Preferable: a mechanism that can move up and down can be set on the tray of the metering device. The weighing needs to be weighed together with the material, container and lifting device. After an appropriate amount of powder material is placed in the bag, the lifting device rises and the barrel moves upward. , the packaging bag enters the barrel, weighs and feeds until the quantity is determined, the bag mouth clamped in step 1 is released, and the lifting device descends;

(3) After putting an appropriate amount of powder material into the packaging bag through the discharge port, the bag clip assembly is released, and the packaging barrel containing the material is transported to the primary tightening device of the inner bag through the roller table, and pulled down by the pull-down outer bag device The outer bag opening, the inner bag opening is sorted by the inner bag exhaust shaping device, the air in the inner bag is discharged, the inner bag opening is closed, and the inner bag opening is tied tightly by the inner bag opening device;

(4) The packaging barrel that has passed through the primary tightening device of the inner bag continues to be transported to the secondary tightening device of the inner bag through the roller table, and the part above the cable tie of the inner bag that has been tied once is moved to the inner bag through the inner bag tightening rotating device Fold down, and tie the folded inner bag again with cable ties;

(5) The packaging barrel that has passed through the secondary tightening device of the inner bag continues to be transported to the tightening device of the outer bag through the roller table, and is lifted up by pulling the outer bag device to hold the mouth of the outer bag. After the lifting is in place, the mouth of the bag is released , arrange the outer bag mouth and exhaust through the outer bag exhaust shaping device, and tighten the outer bag mouth through the outer bag tie device;

(6) Convey to the finished product through the roller table, cover the packaging barrel, seal the wax, and lock it to complete the packaging.

The above-mentioned bag feeding device and bag clip assembly are all prior art.

Claims (2)

1. A hazardous chemical powder packaging production line, characterized in that it includes a bag feeding device (3), a bag clamping assembly (4), a metering device (5), a feeding device (6), and an inner bag once Fastening device (7), secondary fastening device for inner bag (8), fastening device for outer bag (9); The metering device (5) includes a metering system frame, a limit cylinder, an arc-shaped push plate, a weighing cylinder, a push rod, a material receiving tray, an inclined rolling conveyor line, a funnel support frame, and a copper sleeve; the metering system machine The frame is square, the funnel support frame is located above the metering system frame, and a load cell is arranged between the funnel support frame and the metering system frame; the two adjacent sides of the metering system frame are respectively perpendicular to the side Limiting cylinders are arranged on the side, and the extension lines of the limiting cylinders are perpendicular to each other. The end of the limiting cylinder close to the funnel support frame is provided with an arc-shaped push plate; the central position above the inner bottom of the funnel support frame is provided with a material receiving Tray, the push rod passes through the material receiving tray from bottom to top, and the copper sleeve for the push rod to pass is arranged on the material receiving tray; the top of the push rod is provided with an inclined rolling conveyor line, and the inclined rolling conveyor line There is a weighing cylinder at the bottom; The primary tightening device for the inner bag includes an inner bag tie device, a pull-down outer bag device and an inner bag exhaust shaping device; The secondary tightening device of the inner bag includes an inner bag tie opening rotating device; The outer bag tightening device includes an outer bag exhaust shaping device, a pull-up outer bag device, and an outer bag tie device. 2. A process for packaging hazardous powders using the hazardous chemical powder packaging production line as claimed in claim 1, characterized in that the steps are as follows: (1) firstly open the double-layer packaging bag and clamp it to the hopper outlet; (2) Transport the packaging barrel to the metering device through the roller table, so that the double-layer packaging bag is located in the packaging barrel, and weigh the weight of the barrel and the bag; (3) After putting an appropriate amount of powder material into the packaging bag through the discharge port, the bag clip assembly is released, and the packaging barrel containing the material is transported to the primary tightening device of the inner bag through the roller table, and pulled down by the pull-down outer bag device The outer bag opening, the inner bag opening is sorted by the inner bag exhaust shaping device, the air in the inner bag is discharged, the inner bag opening is closed, and the inner bag opening is tied tightly by the inner bag opening device; (4) The packaging barrel that has passed through the primary tightening device of the inner bag continues to be transported to the secondary tightening device of the inner bag through the roller table, and the part above the cable tie of the inner bag that has been tied once is moved to the inner bag through the inner bag tightening rotating device Fold down, and tie the folded inner bag again with cable ties; (5) The packaging barrel that has passed through the secondary tightening device of the inner bag continues to be transported to the tightening device of the outer bag through the roller table, and is lifted up by pulling the outer bag device to hold the mouth of the outer bag. After the lifting is in place, the mouth of the bag is released , arrange the outer bag mouth and exhaust through the outer bag exhaust shaping device, and tighten the outer bag mouth through the outer bag tie device; (6) Convey to the finished product through the roller table, cover the packaging barrel, seal the wax, and lock it to complete the packaging.