阅读说明：本技术 一种粮食自动包装生产线 (Automatic grain packaging production line ) 是由 秦海欧 于 2019-08-28 设计创作，主要内容包括：本发明涉及粮食生产包装技术领域,尤其是涉及一种粮食自动包装生产线。其技术方案要点是：包括机架,设置于机架上的传送装置、设置于传送装置上方的定量下料装置以及设置于机架上用于将装袋后的包装袋进行封袋的封袋装置,所述机架的一侧设置有上袋机,所述传送装置的出料端连接有输送装置,所述输送装置远离传送装置的一端设置有用于改变装袋后的包装袋移动方向的转向装置,所述输送装置上设置有用于对不同尺寸的装袋后的包装袋限位导向的导向机构,且所述输送装置靠近末端的位置处设置有用于整平装袋后的包装袋的整平装置,具有提高粮食包装效率和生产安全性,以及减少劳动力的优点。(The invention relates to the technical field of grain production and packaging, in particular to an automatic grain packaging production line. The key points of the technical scheme are as follows: including the frame, set up conveyer in the frame, set up in the quantitative unloader of conveyer top and set up the bagger that is used for carrying out the bag closure with the wrapping bag after the bagging-off in the frame, one side of frame is provided with the bag machine, conveyer's discharge end is connected with conveyor, conveyor's one end of keeping away from conveyer is provided with the device that turns to that is used for changing the wrapping bag moving direction after the bagging-off, last being provided with of conveyor is used for the guiding mechanism to the spacing direction of the wrapping bag after the bagging-off of unidimensional, just conveyor is close to terminal position department and is provided with the leveling device who is used for the wrapping bag after the flattening bagging-off, has improvement grain packaging efficiency and production security to and reduce labour's advantage.)

1. An automatic grain packaging production line is characterized by comprising a rack (1), a conveying device (3) arranged on the rack (1), a quantitative blanking device (4) arranged above the conveying device (3) and a bag sealing device (5) arranged on the rack (1) and used for sealing bagged packaging bags, a bag feeding machine (2) is arranged on one side of the machine frame (1), the discharge end of the conveying device (3) is connected with a conveying device (6), one end of the conveying device (6) far away from the conveying device (3) is provided with a steering device (9) for changing the moving direction of the bagged packaging bags, the conveying device (6) is provided with a guide mechanism (64) for limiting and guiding the bagged packaging bags with different sizes, and a flattening device (7) for flattening the packaging bags after the packaging bags are packaged is arranged at the position, close to the tail end, of the conveying device (6).

2. The automatic grain packaging production line according to claim 1, characterized in that the quantitative discharging device (4) comprises a storage bin (48), a left swing arm assembly (41) and a right swing arm assembly (42) which are symmetrically arranged at two sides of the storage bin (48), and a driving cylinder (43) which is used for driving the left swing arm assembly (41) and the right swing arm assembly (42) to clamp the packaging bag on the storage bin (48), wherein two ends of the driving cylinder (43) are respectively connected with the left swing arm assembly (41) and the right swing arm assembly (42) in a rotating mode.

3. The automatic grain packaging production line of claim 1, wherein the conveying device (3) comprises a driving roller (301) and a driven roller (302) which are respectively and rotatably arranged at two ends of the rack (1), a conveying belt (303) sleeved between the driving roller (301) and the driven roller (302), a driving motor (304) connected with the driving roller (301), and support legs (305) which are slidably arranged on the rack (1) and used for supporting the rack (1), the driving motor (304) is fixedly arranged on the rack (1), and an adjusting mechanism (8) for adjusting the height is arranged between the rack (1) and the support legs (305).

4. The automatic grain packaging production line of claim 3, characterized in that the adjusting mechanism (8) comprises a first motor (81) horizontally arranged, a cam (82) connected with an output shaft of the first motor (81), a fixed block (83) fixedly arranged on the side wall of the supporting leg (305) and positioned above the cam (82), a connecting rod (84) vertically penetrating through the fixed block (83), and a return spring (86) for returning the connecting rod (84) to an original position; the lower end of the connecting rod (84) is fixedly connected with a contact plate (85), the contact plate (85) is in contact with the cam (82), the reset spring (86) is sleeved on the connecting rod (84), and the upper end and the lower end of the reset spring (86) are respectively and fixedly connected with the fixing block (83) and the contact plate (85); the connecting rod (84) is connected to the bottom of the frame (1).

5. The automatic grain packaging production line according to claim 1, wherein the bag sealing device (5) comprises a sewing machine (51) which is arranged above the conveying device (3) and connected with the rack (1), a support (52) which is arranged on the rack (1), clamping plates (53) which are symmetrically arranged on two sides of the support (52) and one ends of which are connected with the support (52), and a driving assembly (54) which is arranged on the support (52) and used for driving the two clamping plates (53) to be mutually opened and closed, the support (52) is arranged at a bag inlet of the sewing machine (51), and the contact end surfaces of the two clamping plates (53) and a presser foot sewing surface of the sewing machine (51) are arranged on the same plane.

6. The automatic grain packaging production line of claim 1, characterized in that the conveying device (6) comprises a mounting frame (61), at least two conveying rollers (62) rotatably arranged on the mounting frame (61), a conveying belt (65) wrapped on the conveying rollers (62), and a servo motor (63) driving the conveying rollers (62) to rotate, wherein the conveying belt (65) is arranged along the length direction of the mounting frame (61).

7. The automatic grain packaging production line according to claim 6, characterized in that the guide mechanism (64) comprises a first baffle plate (641) and a second baffle plate (642) which are respectively arranged on two opposite sides of the mounting frame (61) along the length direction of the conveying belt (65), the first baffle plate (641) and the second baffle plate (642) are parallel to each other, the first baffle plate (641) is fixedly arranged on the mounting frame (61), a fixing plate (10) is fixedly arranged on one side of the mounting frame (61) far away from the first baffle plate (641), the fixing plate (10) penetrates through the mounting table (11) in a sliding manner along the horizontal direction, the second baffle plate (642) is connected to one end of the mounting table (11) facing the first baffle plate (641), side walls of the fixing plate (10) are provided with side plates (12) which are perpendicular to the fixing plate (10), and the side plates (12) rotate along the horizontal direction and bear a rotating shaft, the rotating shaft is sleeved with a first gear (13), a first tooth thread section (111) meshed with the first gear (13) is arranged on the mounting table (11), and a driving piece used for driving the rotating shaft to rotate is arranged on the rotating shaft.

8. The automatic grain packaging production line as claimed in claim 7, wherein the driving member comprises a connecting sleeve (141) and a fixing rod (142), the fixing rod (142) is axially inserted into the connecting sleeve (141), a fixing portion for limiting the insertion position of the fixing rod (142) is arranged on the connecting sleeve (141), a fixture block (15) is connected onto the fixing rod (142), and a plurality of fixture block (15) clamping and matching fixture holes (16) are formed in the side wall of the side plate (12) around the connecting sleeve (141).

9. The automatic grain packaging production line of claim 1, wherein the leveling device (7) comprises a portal frame (71) arranged at a position close to the tail end of the conveying device (6), a cross rod (72) horizontally arranged on the portal frame (71), mounting blocks (73) arranged at two opposite side ends of the cross rod (72), a rotating shaft (74) rotatably arranged on the mounting blocks (73) along the length direction of the cross rod (72), supporting rods (75) fixedly connected to the rotating shaft (74), a positioning rod (76) connected between the two supporting rods (75) and a pressing part connected to the positioning rod (76) through a bearing, wherein the pressing part is pressed against the side wall of the packaged packaging bag.

10. The automatic grain packaging production line of claim 9, wherein the cross bar (72) is connected to a portal frame (71) in a sliding manner in a vertical direction, a support column (22) is arranged at the top of the cross bar (72), the support column (22) penetrates through the top surface of the portal frame (71), the portal frame (71) is provided with a power mechanism connected with the support column (22) and used for driving the cross bar (72) to ascend and descend, the power mechanism comprises a rotating shaft (23) rotatably mounted on the portal frame (71) and a second gear (24) coaxially fixed on the rotating shaft (23), a second toothed section (221) meshed with the second gear (24) is arranged on the support column (22), and a power portion used for driving the rotating shaft (23) to rotate so as to stop at any position is arranged on the portal frame (71).

Technical Field

The invention relates to the technical field of grain production and packaging, in particular to an automatic grain packaging production line.

Background

The grains can provide nutrient substances required by daily life for people. The moisture content of the harvested grain is very important for commercial use or seed use. The ideal water content of the grain is to dry the grain to the vicinity of the critical point of the growth of the grain storage microorganisms, under the water content condition, the grain storage safety can be guaranteed, the freshness and the eating quality of the grain can be maintained to the maximum extent, the germination rate and the seed quality of the grain can be maintained to the maximum extent, and the grain is often related to the packaging procedure in the processing process.

Disclosure of Invention

The invention aims to provide an automatic grain packaging production line which has the advantages of improving grain packaging efficiency and reducing labor force.

The above object is achieved by the following technical scheme: the utility model provides a grain automatic packaging production line, includes the frame, sets up conveyer in the frame, sets up in the ration unloader of conveyer top and sets up the envelope device that is used for carrying out the envelope with the wrapping bag after the bagging-off in the frame, one side of frame is provided with the bag machine, conveyer's discharge end is connected with conveyor, conveyor keeps away from the one end of conveyer and is provided with the device that turns to that is used for changing the wrapping bag moving direction after the bagging-off, conveyor is last to be provided with the guiding mechanism who is used for the spacing direction of the wrapping bag after the bagging-off to not unidimensional, just conveyor is close to terminal position department and is provided with the leveling device who is used for the wrapping bag after the flattening bagging-off.

Through adopting above-mentioned technical scheme, go up the bagging machine and can carry the wrapping bag that piles up one by one in proper order to supply quantitative unloader to carry out the unloading operation in the frame, conveyer carries the wrapping bag after with the bagging-off to the envelope device, envelope has been carried out under the effect of envelope device, later carry the flattening to the wrapping bag after the bagging-off under conveyor and leveling device's cooperation, can realize the automatic packing transport operation of grain, improved grain packing efficiency, and reduced the labour.

The invention is further configured to: the quantitative discharging device comprises a storage bin, a left swing arm assembly and a right swing arm assembly which are symmetrically arranged on two sides of the storage bin, and a driving cylinder used for driving the left swing arm assembly and the right swing arm assembly to clamp the packaging bag on the storage bin, wherein two ends of the driving cylinder are respectively connected with the left swing arm assembly and the right swing arm assembly in a rotating mode.

Through adopting above-mentioned technical scheme, drive left swing arm subassembly and right swing arm subassembly of actuating cylinder drive storage silo both sides, make the wrapping bag press from both sides tightly on the outer wall of storage silo, quantitative unloading is carried out to rethread quantitative unloader, reaches the effect of stably feeding.

The invention is further configured to: the conveying device comprises a driving roller and a driven roller which are respectively arranged at two ends of the rack in a rotating mode, a conveying belt sleeved between the driving roller and the driven roller, a driving motor connected with the driving roller and supporting legs which are arranged on the rack in a sliding mode and used for supporting the rack, the driving motor is fixedly arranged on the rack, and an adjusting mechanism used for adjusting the height is arranged between the rack and the supporting legs.

By adopting the technical scheme, after the quantitative blanking device is used for blanking, the quantitative blanking device falls onto the conveying belt, the driving roller is driven to rotate by the driving motor, the driven roller at the other end of the rack is driven to rotate by the conveying belt, the operation effect of the conveying device is achieved, the conveying effect of the conveying belt on the packaging bags is further achieved, and the packaging bags are conveyed to the bag sealing device through the conveying device to be subjected to a bag sealing process; meanwhile, the distance between the conveying belt and the storage bin opening in the quantitative discharging device is adjusted through the adjusting mechanism, so that the packaging bags with different types and sizes of the conveying device are used, and the applicability of the conveying device is improved.

The invention is further configured to: the adjusting mechanism comprises a first motor, a cam, a fixed block, a connecting rod and a return spring, wherein the first motor is horizontally arranged, the cam is connected with an output shaft of the first motor, the fixed block is fixedly arranged on the side wall of the supporting leg and is positioned above the cam, the connecting rod vertically penetrates through the fixed block, and the return spring enables the connecting rod to return to an original position; the lower end of the connecting rod is fixedly connected with a touch plate, the touch plate is in touch with the cam, the reset spring is sleeved on the connecting rod, and the upper end and the lower end of the reset spring are respectively and fixedly connected with the fixed block and the touch plate; the connecting rod is connected to the bottom of the frame.

Through adopting above-mentioned technical scheme, first motor drive cam rotates, and the cam rotates and then supports and touch the touch panel along vertical direction rebound for the frame risees, and the back is crossed in the motion of cam bump, can realize the decline of frame again under reset spring's effect, convenient and fast's realization is to the regulation of the distance between conveyer belt and the storage silo bin gate among the ration unloader.

The invention is further configured to: the bag sealing device comprises a sewing machine, a support, clamping plates and a driving assembly, wherein the sewing machine is arranged above the conveying device and connected with the frame, the support is arranged on the frame, the clamping plates are symmetrically arranged on two sides of the support, one end of each clamping plate is connected with the support, the driving assembly is arranged on the support and used for driving the two clamping plates to open and close, the support is arranged at a bag inlet of the sewing machine, and the contact end surfaces of the two clamping plates and the sewing surface of a presser foot of the sewing machine are arranged on the same.

By adopting the technical scheme, after the quantitative blanking device weighs the fixed material, the packaging bag falls on the conveying device to be conveyed, the clamping plates are driven by the driving assembly on the support, the two clamping plates are made to be close to each other, the opening of the packaging bag after charging is clamped, the knife edge of the packaging bag is made to be flat, then the clamping plates are driven by the driving assembly to be unfolded, the packaging bag is clamped, the packaging bag after clamping is conveyed to the bag sealing device along with the conveying device to be sealed, the packaging bag after clamping is better conveyed to the presser foot sewing position of the sewing machine to be sewn, the sewing process of the sewing machine is improved, the manual operation process of the opening of the packaging bag is reduced, and the corresponding labor intensity is reduced.

The invention is further configured to: conveyor include mounting bracket, two at least rotation set up in the roller, cladding set up in the transport of mounting bracket changes the conveyer belt of roller and orders about carry and change roller pivoted servo motor, the conveyer belt along the length direction setting of mounting bracket.

Through adopting above-mentioned technical scheme, driving motor orders about to carry and changes the roller rotation and remove in order to drive the conveyer belt to the wrapping bag after the drive bagging-off removes.

The invention is further configured to: the guiding mechanism comprises a first baffle and a second baffle which are arranged on two opposite sides of a mounting frame along the length direction of a conveying belt respectively, the first baffle and the second baffle are parallel to each other, the first baffle is fixedly arranged on the mounting frame, a fixed plate is fixedly arranged on one side, far away from the first baffle, of the mounting frame, the fixed plate slides along the horizontal direction and penetrates through a mounting table, the second baffle is connected to one end, facing the first baffle, of the mounting table, a side plate which is perpendicular to the fixed plate is arranged on the side wall of the fixed plate, the side plate rotates along the horizontal direction to bear a rotating shaft, a first gear is sleeved in the rotating shaft, a first tooth grain section which is meshed with the first gear is arranged on the mounting table, and a driving piece which is used for driving the rotating shaft to rotate is arranged.

Through adopting above-mentioned technical scheme, the driving piece orders about the pivot and rotates first gear and then drives the mount table through first insection section and slide along the direction of being close to or keeping away from first baffle to realize the distance between first baffle and the second baffle, satisfy the spacing direction to the wrapping bag transportation process after the bagging-off of different specification and dimension.

The invention is further configured to: the driving piece comprises a connecting sleeve and a fixing rod, the fixing rod is axially inserted into the connecting sleeve, a fixing portion used for limiting the inserting position of the fixing rod is arranged on the connecting sleeve, a clamping block is connected onto the fixing rod, and a plurality of clamping block clamping and matching clamping holes are formed in the side plate around the connecting sleeve.

Through adopting above-mentioned technical scheme, after the rotation pivot finishes, correspond the card on the dead lever and go into the card hole of seting up on the curb plate with the fixture block, can realize the fixed of pivot, simple structure is practical.

The invention is further configured to: leveling device sets up the horizontal pole on the portal frame including setting up in portal frame, the level that conveyor is close to terminal position department, setting up in the installation piece of the relative both sides end of horizontal pole, along the length direction rotation of horizontal pole set up axis of rotation, fixed connection in the branch of axis of rotation, connect locating lever and the bearing between two branches and connect the press-on piece on the locating lever, the press-on piece butt is in the lateral wall of the wrapping bag after the bagging-off.

Through adopting above-mentioned technical scheme, the wrapping bag after the bagging-off is carried to terminal in-process on conveyor, and the piece of support on the locating lever can support and press the lateral wall at the wrapping bag, can flatten the lateral wall of wrapping bag fold, improves holistic level and smooth effect.

The invention is further configured to: the horizontal pole slides along vertical direction and connects in the portal frame, the top of horizontal pole is provided with the support column, just the support column runs through the top surface of portal frame, the portal frame is provided with the power unit that links to each other with the support column in order to be used for ordering about the horizontal pole oscilaltion, power unit is including rotating the rotation axis of installing on the portal frame and the coaxial second gear of fixing at the rotation axis, be provided with the second gear section with second gear engagement on the support column, be provided with on the portal frame and be used for ordering about the power portion that the rotation axis rotates in order to stop at the optional position.

Through adopting above-mentioned technical scheme, power unit has realized the oscilaltion of horizontal pole, and then has adjusted the height of press part to satisfy and carry out the flattening operation to different specification and dimension's wrapping bag, power portion can order about the rotation axis and rotate, and the rotation axis drives the second gear and rotates, and then the second gear drives the support column and slides from top to bottom, realizes the regulation of horizontal pole upper and lower position from this, wherein, the second gear and the engaged mode of second profile segment have and reciprocate stability height, and remove the high characteristics of accuracy.

In conclusion, the beneficial technical effects of the invention are as follows:

1. the bag feeding machine can sequentially convey stacked packaging bags to the rack one by one for a quantitative discharging device to perform discharging operation, the conveying device conveys the packaged packaging bags to the bag sealing device, bag sealing is performed under the action of the bag sealing device, and then the packaged packaging bags are conveyed and leveled under the cooperation of the conveying device and the leveling device, so that automatic packaging and conveying operation of grains can be realized, the grain packaging efficiency is improved, and labor force is reduced;

2. after the quantitative blanking device weighs the fixed material, the packaging bag falls onto the conveying device to be conveyed, the clamping plates are driven by the driving assembly on the support at the moment, the two clamping plates are close to each other, the opening of the packaging bag after charging is clamped, the knife edge of the packaging bag is flat, then the clamping plates are driven by the driving assembly to be unfolded, the packaging bag is clamped, the clamped packaging bag is conveyed to the bag sealing device along with the conveying device to be sealed, the flat packaging bag is better conveyed to the presser foot sewing position of the sewing machine to be sewn, the sewing process of the sewing machine is improved, the manual operation process of the bag opening of the packaging bag is reduced, and the corresponding labor intensity is reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a conveying device, a quantitative blanking device and a bag sealing device in an embodiment of the invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 1;

FIG. 5 is a schematic view showing the mounting relationship between the legs and the frame in the embodiment of the present invention;

FIG. 6 is an enlarged view of portion C of FIG. 5;

FIG. 7 is a schematic view showing the construction of a steering apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic view of the structure of a transport apparatus in an embodiment of the present invention;

FIG. 9 is a partial cross-sectional view of a second baffle plate coupled to a mounting block in an embodiment of the present invention;

fig. 10 is an enlarged view of portion D of fig. 9;

figure 11 is a schematic view of the construction of a flattening apparatus in an embodiment of the present invention;

fig. 12 is an enlarged view of a portion E in fig. 11.

In the figure, 1, a frame; 2. feeding a bag machine; 3. a conveying device; 301. a drive roll; 302. a driven roller; 303. a conveyor belt; 304. a drive motor; 305. a support leg; 4. a quantitative blanking device; 41. a left swing arm assembly; 411. a first swing arm; 412. a second swing arm; 42. a right swing arm assembly; 43. a driving cylinder; 44. a control switch; 45. a left clamping piece; 46. a right clamping piece; 47. an annular clamping ring; 48. a storage bin; 5. a bag sealing device; 51. a sewing machine; 52. a support; 53. a splint; 54. a drive assembly; 541. a drive cylinder; 542. a linkage shaft; 6. a conveying device; 61. a mounting frame; 62. a conveying roller; 63. a servo motor; 64. a guide mechanism; 641. a first baffle plate; 642. a second baffle; 65. a conveyor belt; 7. a leveling device; 71. a gantry; 72. a cross bar; 73. mounting blocks; 74. a rotating shaft; 75. a strut; 76. positioning a rod; 77. a turntable; 78. a torsion spring; 8. an adjustment mechanism; 81. a first motor; 82. a cam; 83. a fixed block; 84. a connecting rod; 85. a touch plate; 86. a return spring; 9. a steering device; 91. a frame; 92. a steering cylinder; 93. a steering push plate; 10. a fixing plate; 11. an installation table; 111. a first toothed segment; 12. a side plate; 13. a first gear; 141. connecting sleeves; 142. fixing the rod; 15. a clamping block; 16. a clamping hole; 17. a groove; 18. a pressure spring; 19. clamping the column; 20. a first fixing hole; 21. a second fixing hole; 22. a support pillar; 221. a second toothed segment; 23. a rotating shaft; 24. a second gear; 25. a worm gear; 26. a worm; 27. a second motor; 28. a bearing seat; 29. a supporting seat; 30. a limiting rod; 31. a moving block; 32. a limiting groove.

Detailed Description

A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

An automatic grain packaging production line, which refers to fig. 1, comprises a rack 1, a conveying device 3 arranged on the rack 1, a quantitative blanking device 4 arranged above the conveying device 3, and a bag sealing device 5 arranged on the rack 1 and used for sealing bagged packaging bags, wherein a bag feeding machine 2 is arranged on one side of the rack 1; meanwhile, the discharging end of the conveying device 3 is connected with a conveying device 6, one end, far away from the conveying device 3, of the conveying device 6 is provided with a steering device 9 used for changing the moving direction of the bagged packaging bags, and the position, close to the tail end, of the conveying device 6 is provided with a leveling device 7 used for leveling the bagged packaging bags. This production line is in the use, go up bag machine 2 and can carry the wrapping bag that piles up one by one in proper order to supplying quantitative unloader 4 to carry out the unloading operation on frame 1, conveyer 3 carries the wrapping bag after the bagging-off to envelope device 5, envelope has been carried out under envelope device 5's effect, later carry the flattening to the wrapping bag after the bagging-off under conveyor 6 and leveling device 7's cooperation, the automatic packing of grain is carried the operation can be realized, grain packing efficiency has been improved, and the labour has been reduced.

Referring to fig. 2 and 3, the quantitative discharging device 4 includes a storage bin 48, a left swing arm assembly 41 and a right swing arm assembly 42 symmetrically installed at two sides of the storage bin 48, and a driving cylinder 43 for driving the left swing arm assembly 41 and the right swing arm assembly 42 to clamp the packaging bag on the storage bin 48, wherein two ends of the driving cylinder 43 are respectively rotatably connected with the left swing arm assembly 41 and the right swing arm assembly 42. The driving cylinder 43 is connected with a control switch 44 for controlling the driving cylinder 541 to open and close, and the control switch 44 is arranged on the wall of the storage bin 48. The left swing arm assembly 41 and the right swing arm assembly 42 are arranged in the same configuration and connection manner, and the left swing arm assembly 41 is taken as an example below.

Specifically, the left swing arm assembly 41 comprises a first swing arm 411 and a second swing arm 412 which are arranged in a V shape, one end of each of the first swing arm 411 and the second swing arm 412 is rotatably connected with the storage bin 48, and a left clamping piece 45 is connected between the other end of each of the first swing arm 411 and the second swing arm 412; namely, the right swing arm assembly 42 is connected between the first swing arm 411 and the second swing arm 412 by the right clamping piece 46, and the left clamping piece 45 and the right clamping piece 46 form an annular clamping ring 47 which is attached to the outer wall of the storage bin 48.

In addition, the cylinder body of the driving cylinder 43 is rotationally connected to the first swing arm 411 in the left swing arm assembly 41, and the piston rod of the driving cylinder 43 is rotationally connected with the first swing arm 411 in the right swing arm assembly; the driving cylinder 43 is opened and closed through the control switch 44, so that the left clamping piece 45 and the right clamping piece 46 are controlled to be clamped or separated from each other, and the effect of loading or unloading the packaging bag on the storage bin 48 is achieved.

Referring to fig. 5 and 6, the conveying device 3 includes a driving roller 301 and a driven roller 302 respectively rotatably supported at two ends of the frame 1, a conveying belt 303 sleeved between the driving roller 301 and the driven roller 302, a driving motor 304 fixedly connected with the driving roller 301, and support legs 305 slidably mounted at two opposite side ends of the frame 1 for supporting the frame 1, wherein the driving motor 304 is fixedly mounted on the frame 1, the support legs 305 are arranged in a rectangular plate shape, and the limiting rods 30 are respectively fixedly mounted at two opposite side edges of the conveying belt 303 in the length direction. Meanwhile, an adjusting mechanism 8 for adjusting the height is installed between the frame 1 and the leg 305. After the quantitative blanking device 4 is used for blanking, the quantitative blanking device falls onto a conveying belt 303, a driving roller 301 is driven to rotate by a driving motor 304, a driven roller 302 at the other end of the rack 1 is driven to rotate by the conveying belt 303, the conveying device 3 operates, the conveying effect of the conveying belt 303 on the packaging bags is achieved, and the packaging bags are conveyed to a bag sealing device 5 through the conveying device 3 to be subjected to a bag sealing process; meanwhile, the distance between the conveying belt 303 and the bin mouth of the storage bin 48 in the quantitative discharging device 4 is adjusted through the action of the adjusting mechanism 8, so that the packaging bags with different types and sizes of the conveying device 3 are used, and the applicability of the conveying device 3 is improved.

Specifically, the adjusting mechanism 8 includes a first motor 81 horizontally disposed, a cam 82 connected to an output shaft of the first motor 81, a fixing block 83 fixedly disposed on a side wall of the supporting leg 305 and located above the cam 82, a connecting rod 84 vertically penetrating the fixing block 83, and a return spring 86 for returning the connecting rod 84 to an original position; meanwhile, the lower end of the connecting rod 84 is fixedly connected with a contact plate 85, the contact plate 85 is in contact with the cam 82, the return spring 86 is sleeved on the connecting rod 84, the upper end and the lower end of the return spring 86 are respectively and fixedly connected with the fixing block 83 and the contact plate 85, and the connecting rod 84 is fixedly connected to the bottom of the rack 1. The first motor 81 drives the cam 82 to rotate, the cam 82 rotates to further abut against the contact plate 85 to move upwards along the vertical direction, so that the rack 1 rises, after the salient points of the cam 82 move, the rack 1 can descend under the action of the return spring 86, and the distance between the conveying belt 303 and the bin mouth of the storage bin 48 in the quantitative blanking device 4 can be adjusted conveniently and quickly. Meanwhile, in order to improve the stability of the rack 1 during up-and-down movement, the moving blocks 31 are welded at the two opposite side ends of the rack 1, the limit grooves 32 for sliding and lifting the moving blocks 31 are arranged on the side walls of the supporting legs 305 along the vertical direction, and the rack 1 is not easy to shift in the moving process by the sliding cooperation of the moving blocks 31 and the limit grooves 32.

Referring back to fig. 1 and 4, specifically, the bag sealing device 5 includes a sewing machine 51 disposed above the conveying device 3 and connected to the frame 1, a bracket 52 disposed on the frame 1, clamp plates 53 symmetrically disposed on two sides of the bracket 52 and having one end connected to the bracket 52, and a driving assembly 54 disposed on the bracket 52 for driving the two clamp plates 53 to open and close each other, the bracket 52 is disposed at a bag inlet of the sewing machine 51, and a contact end surface of the two clamp plates 53 and a sewing surface of a presser foot of the sewing machine 51 are disposed on the same plane. After the quantitative blanking device 4 weighs the fixed material, the packaging bag falls onto the conveying device 3 for conveying, the driving assembly 54 on the support 52 drives the clamping plates 53 at the moment, the two clamping plates 53 are close to each other, the opening of the packaged bag after charging is clamped, the knife edge of the packaging bag is flattened, then the driving assembly 54 drives the clamping plates 53 to expand the clamping plates 53, the packaging bag is clamped, the clamped packaging bag is conveyed to the bag sealing device 5 along with the conveying device 3 for sealing, the clamped packaging bag is better conveyed to the presser foot sewing position of the sewing machine 51 for sewing, the sewing process of the sewing machine 51 is improved, the process of manually operating the opening of the packaging bag is reduced, and the corresponding labor intensity is reduced. Specifically, the driving assembly 54 includes a driving cylinder 541 connected to the bracket 52 and a linkage shaft 542, both ends of which are hinged to the clamping plate 53 and a piston rod of the driving cylinder 541 respectively; the bracket 52 is arranged at the bag inlet of the sewing machine 51, and the contact end surfaces of the two clamping plates 53 and the sewing surface of the presser foot of the sewing machine 51 are arranged on the same plane; the driving cylinder 541 drives the linkage shaft 542 to rotate between the clamping plate 53 and the piston rod of the driving cylinder 541, so as to drive the two clamping plates 53 to clamp or separate from each other.

Referring to fig. 7 and 8, in particular, the conveying device 6 includes a mounting frame 61, at least two conveying rollers 62 rotatably disposed on the mounting frame 61, a conveying belt 65 wrapped on the conveying rollers 62, and a servo motor 63 driving the conveying rollers 62 to rotate, and the conveying belt 65 is disposed along a length direction of the mounting frame 61. Meanwhile, the conveying device 6 is provided with a guide mechanism 64 for limiting and guiding the bagged packaging bags of different sizes. Specifically, the guide mechanism 64 includes a first strip-shaped baffle 641 and a second strip-shaped baffle 642 respectively installed on two opposite sides of the installation frame 61 along the length direction of the conveying belt 65, the first baffle 641 and the second baffle 642 are parallel to each other, the first baffle 641 is fixedly installed on the installation frame 61, a rectangular plate-shaped fixing plate 10 is welded on one side of the installation frame 61 away from the first baffle 641, the fixing plate 10 is provided with an installation table 11 in a sliding and penetrating manner along the horizontal direction, the second baffle 642 is fixedly connected to one end of the installation table 11 facing the first baffle 641, and meanwhile, a material guide plate is welded on one end of the first baffle 641 and one end of the second baffle 642 close to the feeding end of the conveying device 6; in addition, a side plate 12 is welded on one side of the fixing plate 10, which is away from the second baffle 642, the side plate 12 rotates in the horizontal direction to bear a rotating shaft (not shown in the figure), a first gear 13 is sleeved on the rotating shaft, a first thread section 111 meshed with the first gear 13 is arranged on the lower surface of the mounting table 11, and a driving piece for driving the rotating shaft to rotate is mounted on the rotating shaft. The driving member drives the rotating shaft to rotate the first gear 13 and further drives the mounting table 11 to slide along the direction close to or far away from the first baffle 641 through the first thread section 111, so that the distance between the first baffle 641 and the second baffle 642 is realized, and the requirement on limiting guiding in the conveying process of bagged packaging bags with different specifications and sizes is met.

Referring to fig. 8 and 9, specifically, the driving member includes a connecting sleeve 141 and a fixing rod 142, the fixing rod 142 is axially inserted into the connecting sleeve 141, a fixing portion for limiting an insertion position of the fixing rod 142 is installed on the connecting sleeve 141, a square fixture block 15 is welded at one end of the fixing rod 142, a plurality of fixture block 15 clamping and matching fixture holes 16 are opened on the side plate 12 around the connecting sleeve 141, and in this embodiment, the number of the fixture holes 16 may preferably be twelve. After the rotating shaft is rotated, the clamping block 15 on the fixing rod 142 is correspondingly clamped into the clamping hole 16 formed in the side plate 12, so that the rotating shaft can be fixed, and the structure is simple and practical.

Referring to fig. 9 and 10, specifically, the fixing portion includes a first fixing hole 20 and a second fixing hole 21 which are formed along the axial direction of the connecting sleeve 141, a groove 17 is formed in the fixing rod 142, a pressure spring 18 is connected in the groove 17, and a clamping column 19 which is used for being embedded with the first fixing hole 20 and the second fixing hole 21 is installed on the pressure spring 18. When the clamping column 19 is embedded in the second fixing hole 21, the fixing rod 142 can rotate to further rotate the rotating shaft to perform the position adjustment operation of the second baffle 642; when the locking column 19 is engaged with the first fixing hole 20, the locking block 15 on the fixing rod 142 can be engaged with the locking hole 16, so as to limit the rotation of the fixing rod 142, realize the locking and unlocking operations of the fixing rod 142, and have a simple and practical structure.

Referring back to fig. 7, in particular, the steering device 9 includes a frame 91 fixedly disposed at the end of the adjacent corner of the conveyor belt 65, a steering cylinder 92 hinged to the top of the frame 91, a steering push plate 93 hinged to the end of the piston rod of the steering cylinder 92, and a trigger switch (not shown) disposed on the side wall of the frame 91 for controlling the on/off of the steering cylinder 92, wherein the steering cylinder 92 is fixedly connected to a side surface of the steering push plate 93 away from the conveyor belt 65. When the packaging bag moves to the trigger switch, the trigger switch controls the steering cylinder 92 to work, and then the piston rod of the steering cylinder 92 extends to push the packaging bag to move in a reversing way, the structure is simple and practical, and the arrangement of the steering device 9 can reduce the occupied space of the whole production line.

Referring to fig. 11 and 12, in detail, the leveling device 7 includes a portal frame 71 fixedly installed at a position close to the end of the conveying device 6, a cross bar 72 horizontally installed on the portal frame 71, installation blocks 73 fixedly installed at opposite side ends of the cross bar 72, a rotation shaft 74 rotatably connected to the installation blocks 73 along a length direction of the cross bar 72, a support rod 75 fixedly connected to the rotation shaft 74, a positioning rod 76 connected between the two support rods 75, and a pressing member connected to the positioning rod 76 by a bearing, the pressing member abuts against a sidewall of the bagged packaging bag, the support rod 75 and the rotation shaft 74 are arranged perpendicular to each other, in this embodiment, the pressing member may be a preferably cylindrical turntable 77, and the turntable 77 is in bearing fit with the positioning rod 76. When the packaged packaging bag is conveyed to the tail end on the conveying device 6, the pressing piece on the positioning rod 76 can press against the side wall of the packaging bag, so that the folded side wall of the packaging bag can be leveled, and the overall leveling effect is improved. Meanwhile, the rotating shaft 74 is sleeved with a torsion spring 78, one end of the torsion spring 78 is fixedly connected to the supporting rod 75, the other end of the torsion spring 78 is fixedly connected to the mounting block 73, and when the torsion spring 78 is in a natural state, the pressing piece abuts against the side wall of the bagged packaging bag.

The cross bar 72 is connected to the portal frame 71 in a sliding manner along the vertical direction, the support column 22 is arranged at the top of the cross bar 72, the support column 22 penetrates through the top surface of the portal frame 71, and the portal frame 71 is provided with a power mechanism which is connected with the support column 22 and used for driving the cross bar 72 to ascend and descend. The power mechanism realizes the up-and-down lifting of the cross rod 72, so that the height of the pressing piece is adjusted, and the requirement of leveling packaging bags with different specifications and sizes is met.

The power mechanism comprises a rotating shaft 23 rotatably mounted on the portal frame 71 and a second gear 24 coaxially fixed on the rotating shaft 23, a second gear section 221 meshed with the second gear 24 is arranged on the supporting column 22, and a power part for driving the rotating shaft 23 to rotate so as to stop at any position is arranged on the portal frame 71. The power portion can drive rotation axis 23 and rotate, and rotation axis 23 drives second gear 24 and rotates, and then second gear 24 drives support column 22 and slides from top to bottom, realizes the regulation of horizontal pole 72 upper and lower position from this, and wherein, the mode of second gear 24 and the meshing of second profile segment 221 has and reciprocates stably height to remove the high characteristics of accuracy. Specifically, the power part comprises a worm wheel 25 coaxially mounted on the rotating shaft 23 and a worm 26 rotatably mounted on the gantry 71 and meshed with the worm wheel 25, and the gantry is respectively provided with a bearing seat 28 for rotatably bearing the worm 26 and a second motor 27 connected with the worm 26 to drive the worm 26 to rotate. The worm wheel 25 and the worm 26 are meshed at a specific thread pitch, and the self-locking mechanism has the characteristic of self-locking, namely the worm 26 can drive the worm wheel 25 to rotate, the worm wheel 25 cannot drive the worm 26 to rotate, and the cross rod 72 can be adjusted at any height position through the arrangement of the power part.

The overall working process is as follows: this production line during operation, go up bag machine 2 and can carry the wrapping bag that piles up one by one in proper order to supplying quantitative unloader 4 to carry out the unloading operation on frame 1, conveyer 3 carries the wrapping bag after the bagging-off to envelope device 5, envelope has been carried out under envelope device 5's effect, later carry the flattening to the wrapping bag after the bagging-off under conveyor 6 and leveling device 7's cooperation, the automatic packing of grain is carried the operation can be realized, grain packing efficiency has been improved, and the labour has been reduced.

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