CN112141434A - Automatic weighing and packaging machine - Google Patents

Abstract

The invention discloses an automatic weighing and packaging machine which comprises a rack, a bag feeding device, a bag erecting device, a clamping device, an opening device, an automatic weighing and feeding device, a sealing device and an electric ball screw sliding table. The invention has the following advantages and effects: grabbing the double-layer plastic woven bag through a bag feeding device and enabling the double-layer plastic woven bag to be horizontal; enabling the double-layer plastic woven bag to be in a vertical state through a bag erecting device; then clamping and fixing two sides of the double-layer plastic woven bag through a clamping device, and opening the opening of the double-layer plastic woven bag through an opening device; then, plastic particles are filled into the double-layer plastic woven bag through the automatic weighing and feeding device, the double-layer plastic woven bag is supported through the supporting device, and finally the double-layer plastic woven bag which is clamped on the clamping device and filled with the plastic particles is conveyed to the sealing device through the electric ball screw sliding table to realize sealing; thereby having the effect of automatic feed, weighing, giving the bag, opening the bag, carrying and sealing, improving packing efficiency.

Description

An automatic weighing packaging machine

technical field

The invention relates to the technical field of plastic particle packaging, in particular to an automatic weighing packaging machine.

Background technique

As the most common plastic raw material, PVC plastic particles are widely used in daily life, clothing industry, building materials, agriculture, machinery industry, chemical industry, medical industry and other fields. In order to facilitate storage, transportation and moisture-proof, enterprises use double-layer plastic woven bags for packaging of PVC particles. The inner bag of the double-layer plastic woven bag is a plastic film, and the inner bag protrudes 5 cm from the outer belt and has a certain flexibility. At the same time, it needs to be sealed after filling the plastic particles in the double-layer plastic woven bag. At present, when enterprises fill plastic granules, they use manual methods to package PVC granules, which has the problem of high labor intensity for workers and seriously affects the packaging efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an automatic weighing and packaging machine, which has the functions of automatic feeding, weighing, bag feeding, bag opening, conveying and sealing, so as to improve the packaging efficiency.

The above technical purpose of the present invention is achieved through the following technical solutions: an automatic weighing and packaging machine, comprising a frame, a bag feeding device arranged on the frame and horizontally grabbing double-layer plastic woven bags, and a bag feeding device arranged on the frame A vertical bag device that rotates the double-layer plastic woven bag from the bag feeding device to a vertical state, a clamping device that is arranged on the frame and used to clamp both sides of the opening of the double-layer plastic woven bag, and is arranged on the machine The opening device on the rack and used to open the double-layer plastic woven bag, the automatic weighing and feeding device on the rack and used for filling the plastic particles into the double-layer plastic woven bag, and the sealing device arranged on the rack , An electric ball screw slide table arranged between the frame and the clamping device and driving the clamping device to move toward or away from the sealing device to achieve sealing, arranged on the frame and supported in the process of filling plastic particles Supporting device at the bottom of the double-layer plastic woven bag.

The present invention is further provided as follows: the bag feeding device comprises a platform arranged on the frame and placed after the double-layer plastic woven bags are flattened and stacked, a first bracket arranged on the platform, a piston and a piston arranged on the first bracket A first cylinder with a vertical downward rod, an "I"-shaped first installation plate arranged on the piston rod of the first cylinder, and a plurality of first vacuum suction cups arranged at the end of the first installation plate.

The present invention is further provided as follows: the vertical bag device includes a second bracket arranged on the frame, a rotating frame whose upper end is rotatably connected to the second bracket, and a rotating frame arranged on both sides of the bottom of the rotating frame and used for clamping double-layer plastics The clamping mechanism on both sides of the opening of the woven bag, and the second air cylinder whose two ends are hinged between the second bracket and the rotating frame and drives the rotating frame to rotate, when the second cylinder drives the rotating frame to rotate to a horizontal state, all the The rotating frame drives the double-layer plastic woven bag to rotate to a vertical state.

The present invention is further provided as follows: the clamping mechanism includes two fixing plates respectively arranged on both sides of the bottom of the rotating frame, two clamping plates respectively rotatably connected to both sides of the bottom of the rotating frame, and two ends are hinged on the rotating frame. a third air cylinder between the frame and the clamping plate and used to drive the clamping plate to rotate; when the third air cylinder drives the clamping plate to rotate to the vertical downward direction, the air between the two clamping plates The spacing is greater than the length of the double-layer plastic woven bag, and the first installation plate realizes the double-layer plastic woven bag that drives adsorption under the action of the first cylinder to abut against the lower surfaces of the two fixing plates.

The present invention is further provided as follows: the clamping device comprises a second mounting plate arranged on the sliding block of the electric ball screw slide table, a sliding frame slidably connected to the second mounting plate, a second mounting plate arranged on the second mounting plate and a fourth air cylinder between the sliding frames, two sliding seats slidably arranged on both sides of the sliding frame, two pneumatic gripping claws arranged on the two sliding seats and respectively used for clamping both sides of the opening of the double-layer plastic woven bag, Two fifth cylinders are respectively arranged between the sliding frame and the sliding seat, and the sliding direction of the sliding frame is perpendicular to the sliding direction of the sliding seat.

The present invention is further provided as follows: the opening device includes two sixth air cylinders disposed on the frame on the front and rear sides of the double-layer plastic woven bag rotated to a vertical state, and an installation disposed on the piston rod of the sixth air cylinder block, two second vacuum suction cups respectively arranged at both ends of the installation block, and the second vacuum suction cups on the two installation blocks correspond to the front and rear sides of the double-layer plastic woven bag.

The present invention is further provided as follows: the automatic weighing and feeding device comprises a feeding rack, a storage hopper arranged on the supplying rack, a first electric discharging device arranged at the outlet of the storage hopper, a load-bearing plate, A weighing hopper placed on the load-bearing plate and used to receive plastic particles from the storage hopper, a weigher disposed between the load-bearing plate and the feeding rack, and a second electric outlet disposed at the discharge port of the storage city. A feeding device, a feeding hopper provided on the frame to transport the plastic granules into the opened double-layer plastic woven bag, set between the feeding frame and the frame and used to transport the plastic granules from the weighing hopper into the feeding hopper The conveyor; a controller is electrically connected between the weigher, the first electric discharge device and the second electric discharge device, and the first electric discharge device is turned on and the plastic particles are transported to the weighing hopper During the process, when the weight detected by the weighing device reaches a predetermined value, the weighing device feeds back a signal to the controller to control the first electric discharging device to be closed and the second electric discharging device to be opened.

The present invention is further provided as follows: the first electric discharging device comprises a first blocking plate rotatably connected to the discharging port of the storage hopper, a first feeding motor arranged on the feeding rack, and a first feeding motor connected to the first feeding The first transmission shaft between the output shaft of the motor and the first block; the second electric discharge device includes a second block rotatably connected in the discharge port of the weighing hopper, and a second block arranged on the feeding rack. Two feeding motors, a second transmission shaft connected between the output shaft of the second feeding motor and the second blocking plate, the controller is electrically connected to the scale, the first feeding motor and the second feeding motor between.

The present invention is further provided as follows: the sealing device includes a woven bag sewing machine arranged on the frame, and two guide plates arranged on the frame, and the distance between the two guide plates is toward the woven bag seam. The direction of the machine is gradually reduced. When the double-layer plastic woven bag clamped on the clamping device moves with the electric ball screw slide close to the woven bag sewing machine, the two sides of the opening of the double-layer plastic woven bag are on two sides. Under the action of the guide plate, it is gradually approached; the frame is provided with a belt conveyor located below the woven bag sewing machine.

The present invention is further provided as follows: the support device comprises a hydraulic cylinder arranged on the frame, and a support plate arranged on the piston rod of the hydraulic cylinder.

To sum up, the present invention has the following beneficial effects:

1. First grab the double-layer plastic woven bag through the bag feeding device and make the double-layer plastic woven bag in a horizontal state; then use the vertical bag device to make the double-layer plastic woven bag in a vertical state; The two sides of the double-layer plastic woven bag are opened, and the opening of the double-layer plastic woven bag is opened by the opening device; then the plastic particles are filled into the double-layer plastic woven bag through the automatic weighing feeding device, and supported by the supporting device, and finally passed through The electric ball screw slide table transports the double-layer plastic woven bag, which is clamped on the clamping device and filled with plastic particles, to the sealing device for sealing; thus it has automatic feeding, weighing, bag feeding, bag opening, and conveying. And the role of sealing, improve packaging efficiency;

2. During the working process of the bag feeding device, the double-layer plastic woven bags are flattened and stacked and placed on the platform, and then the first mounting plate is driven downward by the first air cylinder, so that a plurality of A vacuum suction cup sucks the double-layer plastic woven bag; at the same time, a plurality of first vacuum suction cups located at the end of the first mounting plate are distributed in an I-shape, which can stably absorb the double-layer plastic woven bag;

3. After the clamping mechanism on both sides of the bottom of the rotating frame clamps and fixes both sides of the opening of the double-layer plastic woven bag, cancel the adsorption effect of the first vacuum suction cup on the double-layer plastic woven bag, and then drive the rotating frame to rotate through the second air cylinder. Horizontal state, thereby driving the double-layer plastic woven bag to rotate to a vertical state, and making the opening of the double-layer plastic woven bag face upward;

4. Under the action of the first air cylinder, the first mounting plate can drive the adsorbed double-layer plastic woven bag against the lower surfaces of the two fixing plates, and then the third air cylinder drives the clamping plate to rotate, thereby realizing the clamping and fixing of the plastic weaving. both sides of the opening of the bag;

5. When the double-layer plastic woven bag is rotated to the vertical state through the vertical bag device, the second mounting plate is driven to move by the electric ball screw slide table, and the two pneumatic grippers are located on both sides of the double-layer plastic woven belt respectively. , and then drive the sliding frame to slide through the fourth cylinder to make the pneumatic gripper align with both sides of the double-layer plastic woven bag, and then drive the sliding seat to move through the fifth cylinder to make the pneumatic gripper close to the double-layer plastic woven bag. The gripper grips both sides of the double-layer plastic woven bag;

6. During the use of the opening device, the mounting block is driven to move by the sixth cylinder, and the second vacuum suction cups on the two mounting blocks are adsorbed on the front and rear sides of the double-layer plastic woven bag, and then cooperate with the two No. The five cylinders drive the two sliding seats to approach, and the two sixth cylinders retract, so as to open the opening of the double-layer plastic braid;

7. The plastic particles in the storage hopper are output to the weighing hopper through the first electric discharging device. When the weight detected by the weighing device reaches the predetermined value, the weighing device will feedback the signal to the controller to control the first electric discharging device. The feeding device is closed and the second electric discharging device is controlled to open, so that the plastic particles in the weighing hopper are transported into the feeding hopper through the conveyor, and finally enter the double-layer plastic woven bag;

8. In the sealing device, when the double-layer plastic woven bag clamped on the clamping device moves with the electric ball screw slide close to the woven bag sewing machine, the two sides of the opening of the double-layer plastic woven bag are on the two sides. Under the action of each guide plate, it is gradually approached, so that the woven bag seam machine can seal it; at the same time, the woven bag seam machine is used in the sealing method to avoid heat sealing. The outer bag cannot be sealed, and the plastic-sealed packaging cannot be restored to its original state once it is removed, and the double-layer plastic woven bag filled with plastic particles is heavy, so it is not suitable for heat sealing and glue sealing, so the method of wire sealing is adopted.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the structural representation of the bag feeding device in the present invention;

Fig. 3 is the structural representation after removing the bag feeding device and the automatic weighing feeding device in the present invention;

Fig. 4 is a partial enlarged view at place A in Fig. 3;

Fig. 5 is the structural representation of the electric ball screw slide table and the clamping device in the present invention;

Fig. 6 is the partial enlarged view that is positioned at B in Fig. 5;

Fig. 7 is a partial enlarged view at C in Fig. 3;

Fig. 8 is the structural representation of the automatic weighing feeding device in the present invention;

Fig. 9 is a partial enlarged view at D in Fig. 8;

Fig. 10 is a control principle diagram of the controller, the weighing device, the first feeding motor and the second feeding motor in the present invention.

Reference numerals: 1, rack; 2, bag feeding device; 21, platform; 22, first bracket; 23, first air cylinder; 24, first mounting plate; 25, first vacuum suction cup; 3, vertical bag device 31, the second bracket; 32, the rotating frame; 33, the clamping mechanism; 331, the fixed plate; 332, the clamping plate; 333, the third cylinder; 34, the second cylinder; 4, the clamping device; 41, the first Two mounting plate; 42, sliding frame; 43, fourth cylinder; 44, sliding seat; 45, pneumatic gripper; 46, fifth cylinder; 5, opening device; 51, sixth cylinder; 52, mounting block; 53, The second vacuum suction cup; 6, the automatic weighing feeding device; 61, the feeding rack; 62, the storage hopper; 63, the first electric discharging device; 631, the first blocking plate; 632, the first feeding motor; 633 , the first drive shaft; 64, the bearing plate; 65, the weighing bucket; 66, the weighing device; 67, the second electric discharge device; 671, the second block; 672, the second feeding motor; 673, the first 2. Transmission shaft; 68. Feeding hopper; 69. Conveyor; 7. Sealing device; 71. Woven bag sewing machine; 72. Guide plate; 8. Electric ball screw slide table; 9. Supporting device; 91. Hydraulic cylinder ; 92, support plate; 10, belt conveyor.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

Example: an automatic weighing and packaging machine, as shown in Figure 1, includes a frame 1, a bag feeding device 2 arranged on the frame 1 and horizontally grabbing double-layer plastic woven bags, arranged on the frame 1 and The vertical bag device 3 for rotating the double-layer plastic woven bag from the bag feeding device 2 to the vertical state; The opening device 5 on the frame 1 and used to open the double-layer plastic woven bag, the automatic weighing and feeding device 6 arranged on the frame 1 and used for filling the plastic particles into the double-layer plastic woven bag, set on the The sealing device 7 on the frame 1, the electric ball screw slide table 8, which is arranged between the frame 1 and the clamping device 4 and drives the clamping device 4 to move toward or away from the sealing device 7 to realize sealing. Supporting means 9 supporting the bottom of the double-layer plastic woven bag on the frame 1 and during the filling of plastic granules.

As shown in FIG. 1 and FIG. 2 , the bag feeding device 2 includes a platform 21 which is installed on the frame 1 and makes the double-layer plastic woven bags flat and stacked, a first bracket 22 fixedly arranged on the platform 21 , and a The first cylinder 23 on the first bracket 22 and the piston rod is vertically downward, the first mounting plate 24 which is installed on the piston rod of the first cylinder 23 and has an "I" shape, and four are mounted on the first mounting plate The first vacuum suction cups 25 at the end of 24, and the four first vacuum suction cups 25 are distributed in an I-shape.

As shown in FIG. 1 to FIG. 4 , the vertical bag device 3 includes a second bracket 31 fixedly arranged on the frame 1 , a rotating frame 32 whose upper end is rotatably connected to the second bracket 31 through a pin shaft, and is arranged at the bottom of the rotating frame 32 The clamping mechanism 33 on both sides and used for clamping both sides of the opening of the double-layer plastic woven bag, and the second cylinder 34 which is hinged between the second bracket 31 and the rotating frame 32 through the pin shaft and drives the rotating frame 32 to rotate. The clamping mechanism 33 includes two fixing plates 331 respectively fixedly arranged on both sides of the bottom of the rotating frame 32, two clamping plates 332 respectively connected to the two sides of the bottom of the rotating frame 32 through a pin shaft, and two ends are connected by a pin shaft. A third air cylinder 333 is hinged between the rotating frame 32 and the clamping plate 332 and used to drive the clamping plate 332 to rotate. When the third air cylinder 333 drives the clamping plate 332 to rotate to the vertical downward direction, the distance between the two clamping plates 332 is greater than the length of the double-layer plastic woven bag, and the first mounting plate 24 is placed on the first air cylinder 23 The double-layer plastic woven bag that drives the adsorption under the action of the two-layer plastic woven bag is in contact with the lower surfaces of the two fixing plates 331, so that the two sides of the opening of the double-layer plastic woven bag can be clamped and fixed by the clamping mechanism 33. At the same time, when the second air cylinder 34 drives the rotating frame 32 to rotate to a horizontal state, the rotating frame 32 drives the double-layer plastic woven bag to rotate to a vertical state.

As shown in FIG. 1 , FIG. 5 and FIG. 6 , the clamping device 4 is provided on the second mounting plate 41 on the slider of the electric ball screw slide table 8 , the sliding frame 42 slidably connected to the second mounting plate 41 , A fourth cylinder 43 installed between the second mounting plate 41 and the sliding frame 42, two sliding seats 44 slidably arranged on both sides of the sliding frame 42, two sliding seats 44 arranged on the two sliding seats 44 and used for clamping respectively Pneumatic clamping jaws 45 on both sides of the opening of the double-layer plastic woven bag, and two fifth cylinders 46 respectively disposed between the sliding frame 42 and the sliding seat 44 . The sliding direction of the two sliding seats 44 is the same as the sliding direction of the sliding block of the electric ball screw sliding table 8 , and the sliding direction of the sliding frame 42 is perpendicular to the sliding direction of the sliding seat 44 .

As shown in FIG. 3 and FIG. 7 , the opening device 5 includes two sixth air cylinders 51 fixedly arranged on the frame 1 on the front and rear sides of the double-layer plastic woven bag rotated to the vertical state, and a sixth air cylinder 51 installed on the sixth air cylinder 51 The mounting block 52 on the piston rod and two second vacuum suction cups 53 respectively installed on both ends of the mounting block 52, the second vacuum suction cups 53 on the two mounting blocks 52 correspond to the front and rear sides of the double-layer plastic woven bag.

As shown in FIG. 1 , FIG. 8 , FIG. 9 and FIG. 10 , the automatic weighing and feeding device 6 includes a feeding frame 61 , a storage hopper 62 fixed on the feeding frame 61 , and a discharge port of the storage hopper 62 . The first electric discharge device 63, the load-bearing plate 64, the weighing hopper 65 arranged on the load-bearing plate 64 and used to accept the plastic particles from the storage hopper 62, two are arranged on both sides of the load-bearing plate 64 and the feeding rack 61 The weighing device 66 in between, the second electric discharging device 67 arranged at the discharge port of the storage capital, and the feeding hopper 68 installed on the frame 1 to transport the plastic particles into the opened double-layer plastic woven bag , a conveyor 69 installed between the feeding rack 61 and the frame 1 and used to transport the plastic pellets from the weighing hopper 65 to the feeding hopper 68 . A controller is electrically connected between the weighing device 66 , the first electric discharging device 63 and the second electric discharging device 67 . During the process of opening the first electric discharging device 63 and conveying the plastic particles to the weighing bucket 65 , when the weight detected by the weighing device 66 reaches a predetermined value, the weighing device 66 feeds back a signal to the controller to control the first electric discharging device 63 to close and the second electric discharging device 67 to open.

As shown in FIGS. 8 to 10 , the first electric discharging device 63 includes a first blocking piece 631 rotatably connected to the discharging port of the storage hopper 62 , a first feeding motor 632 fixedly arranged on the feeding rack 61 , The first transmission shaft 633 is connected between the output shaft of the first feeding motor 632 and the first blocking piece 631 . The second electric discharging device 67 includes a second blocking plate 671 rotatably connected to the discharging port of the weighing bucket 65 , a second feeding motor 672 fixedly arranged on the feeding rack 61 , and a second feeding motor 672 connected to the second feeding motor 672 The second transmission shaft 673 between the output shaft and the second blocking piece 671 . The center line of the first transmission shaft 663 coincides with the rotation center line of the first blocking piece 631; the center line of the second transmission shaft 673 coincides with the rotation center line of the second blocking piece 671; the controller is electrically connected to the weighing device 66. Between the first feeding motor 632 and the second feeding motor 672.

As shown in FIGS. 1 and 3 , the support device 9 includes a hydraulic cylinder 91 provided on the frame 1 , and a support plate 92 fixed on a piston rod of the hydraulic cylinder 91 .

As shown in FIG. 1 and FIG. 3 , the sealing device 7 includes a woven bag sewing machine 71 fixed on the frame 1 and two guide plates 72 fixed on the frame 1 . The distance between the two guide plates 72 is gradually reduced toward the direction close to the woven bag sewing machine 71, and the double-layer plastic woven bag clamped on the clamping device 4 approaches the woven bag seam with the electric ball screw slide 8 When the machine 71 moves, both sides of the opening of the double-layer plastic woven bag gradually approach under the action of the two guide plates 72 . And the height at which the woven bag sewing machine 71 sews the double-layer plastic woven bag is located above the clamping part of the two pneumatic clamping jaws 45 (see FIG. 6 ). At the same time, the frame 1 is provided with a belt conveyor 10 located below the woven bag sewing machine 71 .

Implementation process: (1) During the working process of the bag feeding device 2, the double-layer plastic woven bag is firstly flattened and stacked on the platform 21, and then the first mounting plate 24 is driven downward by the first air cylinder 23, so that the first installation plate 24 is moved downward. A plurality of first vacuum suction cups 25 on a mounting plate 24 sucks the double-layer plastic woven bag. (2) During the working process of the vertical bag device 3, the first air cylinder 23 of the bag feeding device 2 is reset to make the double-layer plastic woven bag abut against the lower surfaces of the two fixing plates 331, and then the third air cylinder 333 drives the clamping After the plate 332 is rotated, it is close to the fixing plate 331, so that both sides of the opening of the double-layer plastic woven bag are clamped between the two fixing plates 331 and the clamping plate 332, and the first vacuum suction cup 25 is released from the double-layer plastic woven bag. Adsorption; then the second air cylinder 34 drives the rotating frame 32 to rotate to a horizontal state, so that the double-layer plastic woven bag rotates to a vertical state, and the opening of the double-layer plastic woven bag faces upwards. (3) During the working process of the clamping device 4, the second mounting plate 41 is driven to move by the electric ball screw slide 8 and the two pneumatic clamping jaws 45 are located on both sides of the double-layer plastic braid, and then the second mounting plate 41 is moved by the electric ball screw slide table 8. The four cylinders 43 drive the sliding frame 42 to slide so that the pneumatic clamping jaws 45 are aligned with both sides of the double-layer plastic woven bag, and then the fifth cylinder 46 drives the sliding seat 44 to move so that the pneumatic clamping jaws 45 are close to the double-layer plastic woven bag. The two sides of the double-layer plastic woven bag are clamped by the pneumatic clamping jaws 45, and the clamping function of the clamping mechanism 33 in the vertical bag device 3 is released. (4) During the operation of the opening device 5, the sixth cylinder 51 drives the mounting block 52 to move, and the second vacuum suction cups 53 on the two mounting blocks 52 are adsorbed on the front and rear sides of the double-layer plastic woven bag, and then cooperate with the vertical The two fifth air cylinders 46 of the bag device 3 drive the two sliding seats 44 to approach, and the two sixth air cylinders 51 retract, thereby opening the opening of the double-layer plastic woven belt. (5) During the working process of the support device 9, the support plate 92 is driven to rise by the hydraulic cylinder 91 and then supported on the bottom of the double-layer plastic woven bag. (6) During the working process of the automatic weighing and feeding device 6, the plastic particles in the storage hopper 62 are output into the weighing hopper 65 through the first electric discharging device 63. When the weight detected by the weighing device 66 reaches a predetermined value , the weighing device 66 feeds back the signal to the controller to control the first electric discharge device 63 to close and the second electric discharge device 67 to open, so that the plastic particles in the weighing hopper 65 are transported to the feeding hopper through the conveyor 69 68, and finally into a double-layer plastic woven bag. (7) During the engineering process of the sealing device 7, first release the adsorption effect of the second vacuum suction cup 53 on the double-layer plastic woven bag; The opening is closed; then the electric ball screw slide 8 drives the entire clamping device 4 to move toward the woven bag sewing machine 71 to achieve sealing, and during the movement process, the opening of the double-layer plastic woven bag is on both sides of the two guide plates 72. gradually approach under the action of the woven bag sewing machine 71 for sealing.

This specific embodiment is only an explanation of the present invention, and it does not limit the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as the rights of the present invention are used All claims are protected by patent law.

Claims (10)

1. An automatic weighing packagine machine which characterized in that: including frame (1), set up in frame (1) and the level snatch for bagging apparatus (2) of double-deck plastic woven sack, set up in frame (1) and make and come from for perpendicular bagging apparatus (3) that the double-deck plastic woven sack on bagging apparatus (2) rotates to vertical state, set up in frame (1) and be used for centre gripping double-deck plastic woven sack opening both sides clamping device (4), set up in frame (1) and be used for opening device (5) of double-deck plastic woven sack, set up in frame (1) and be used for to automatic weighing feedway (6) of filling plastic granules in the double-deck plastic woven sack, closing device (7) of setting in frame (1), set up between frame (1) and clamping device (4) and order to realize electronic ball sliding table (8) that seals that clamping device (4) move towards the direction that is close to or keeps away from closing device (7), The supporting device (9) is arranged on the frame (1) and supports the bottom of the double-layer plastic woven bag in the process of filling plastic particles.

2. The automatic weighing and packaging machine of claim 1, wherein: give bagging apparatus (2) including setting up in frame (1) and make double-deck plastic woven sack shakeout range upon range of platform (21) of placing after range of, set up first support (22) on platform (21), set up on first support (22) and piston rod vertical decurrent first cylinder (23), set up on the piston rod of first cylinder (23) and be first mounting panel (24) of "worker" style of calligraphy, a plurality of first vacuum chuck (25) of setting at first mounting panel (24) tip.

3. The automatic weighing and packaging machine of claim 2, wherein: erect bagging apparatus (3) and rotate swivel mount (32) of connection on second support (31), upper end including setting up second support (31), the upper end on frame (1), set up and articulate between second support (31) and swivel mount (32) and order about swivel mount (32) pivoted second cylinder (34) at swivel mount (32) bottom both sides and fixture (33), both ends that are used for centre gripping double-deck plastic woven sack opening both sides, work as second cylinder (34) drive when swivel mount (32) rotate the horizontality, swivel mount (32) drive double-deck plastic woven sack and rotate to vertical state.

4. The automatic weighing and packaging machine of claim 3, wherein: the clamping mechanism (33) comprises two fixing plates (331) which are respectively arranged on two sides of the bottom of the rotating frame (32), two clamping plates (332) which are respectively and rotatably connected to two sides of the bottom of the rotating frame (32), and two third air cylinders (333) of which two ends are hinged between the rotating frame (32) and the clamping plates (332) and used for driving the clamping plates (332) to rotate; work as when third cylinder (333) drive grip block (332) and rotate vertical decurrent orientation, two interval between grip block (332) is greater than the length of double-deck plastic woven sack, first mounting panel (24) realize under the effect of first cylinder (23) that the double-deck plastic woven sack that drives the absorption contradicts at the lower surface of two fixed plates (331).

5. The automatic weighing and packaging machine of claim 1, wherein: clamping device (4) including setting up second mounting panel (41) on the slider of electronic ball sliding table (8), sliding frame (42) of sliding connection on second mounting panel (41), set up fourth cylinder (43) between second mounting panel (41) and sliding frame (42), two slide and set up sliding seat (44) in sliding frame (42) both sides, two set up on two sliding seat (44) and be used for pneumatic clamping jaw (45) of centre gripping double-deck plastic woven sack opening both sides respectively, two set up fifth cylinder (46) between sliding frame (42) and sliding seat (44) respectively, the slip direction of sliding frame (42) is mutually perpendicular with the slip direction of sliding seat (44).

6. The automatic weighing and packaging machine of claim 5, wherein: opening device (5) include that two settings are located to rotate sixth cylinder (51) of both sides around the double-deck plastic woven sack of vertical state on frame (1), set up installation piece (52) on the piston rod of sixth cylinder (51), two set up second vacuum chuck (53) at installation piece (52) both ends respectively, two second vacuum chuck (53) on installation piece (52) correspond both sides around the double-deck plastic woven sack.

7. The automatic weighing and packaging machine of claim 1, wherein: the automatic weighing and feeding device (6) comprises a feeding frame (61), a storage hopper (62) arranged on the feeding frame (61), a first electric discharging device (63) arranged at a discharging port of the storage hopper (62), a bearing plate (64), a weighing hopper (65) arranged on the bearing plate (64) and used for receiving plastic particles from the storage hopper (62), a weighing device (66) arranged between the bearing plate (64) and the feeding frame (61), a second electric discharging device (67) arranged at the discharging port of the weighing hopper (65), a feeding hopper (68) arranged on the frame (1) and used for conveying the plastic particles into an opened double-layer plastic woven bag, and a conveyor (69) arranged between the feeding frame (61) and the frame (1) and used for conveying the plastic particles from the weighing hopper (65) into the feeding hopper (68); the weighing device comprises a weighing device (66), a first electric discharging device (63) and a second electric discharging device (67), wherein a controller is electrically connected among the weighing device (66), the first electric discharging device (63) and the second electric discharging device (67), in the process that the first electric discharging device (63) is opened and plastic particles are conveyed to a weighing hopper (65), when the weight detected by the weighing device (66) reaches a preset value, the weighing device (66) feeds back signals to the controller to control the first electric discharging device (63) to be closed and control the second electric discharging device (67) to be opened.

8. The automatic weighing and packaging machine of claim 7, wherein: the first electric discharging device (63) comprises a first blocking piece (631) rotatably connected in a discharging port of the storage hopper (62), a first feeding motor (632) arranged on the feeding frame (61), and a first transmission shaft (633) connected between an output shaft of the first feeding motor (632) and the first blocking piece (631); the second electric discharging device (67) comprises a second baffle sheet (671) rotatably connected in a discharging port of the weighing hopper (65), a second feeding motor (672) arranged on the feeding frame (61), and a second transmission shaft (673) connected between an output shaft of the second feeding motor (672) and the second baffle sheet (671), and the controller is electrically connected among the weighing device (66), the first feeding motor (632) and the second feeding motor (672).

9. The automatic weighing and packaging machine of claim 1, wherein: the sealing device (7) comprises a woven bag opening sewing machine (71) arranged on the rack (1) and two guide plates (72) arranged on the rack (1), the distance between the two guide plates (72) is gradually reduced towards the direction close to the woven bag opening sewing machine (71), and when a double-layer plastic woven bag clamped on the clamping device (4) moves close to the woven bag opening sewing machine (71) along with the electric ball screw sliding table (8), the two sides of an opening of the double-layer plastic woven bag are gradually close to each other under the action of the two guide plates (72); the machine frame (1) is provided with a belt conveyor (10) which is positioned below the woven bag seam machine (71).

10. The automatic weighing and packaging machine of claim 1, wherein: the supporting device (9) comprises a hydraulic cylinder (91) arranged on the frame (1) and a supporting disc (92) arranged on a piston rod of the hydraulic cylinder (91).

Images