Disclosure of Invention
The invention aims to avoid the defects in the prior art and provides the bag packaging sealing type filling device, so that the defects in the prior art are effectively overcome.
In order to achieve the purpose, the invention adopts the technical scheme that: a bag package sealing type filling device comprises a mounting frame, wherein a charging barrel fixing seat is arranged on the mounting frame in a vertically movable mode, a guide barrel is arranged on the charging barrel fixing seat, a sealing clamping assembly is arranged on the lower side of the charging barrel fixing seat, and a driving mechanism is arranged on the mounting frame in a matched mode with the charging barrel fixing seat;
sealed centre gripping subassembly includes first connecting rod, second connecting rod, third connecting rod, fourth connecting rod, first splint and second splint, one side of first connecting rod and second connecting rod all is articulated with the feed cylinder fixing base, and the opposite side of first connecting rod and second connecting rod is articulated with the top outer end of third connecting rod and fourth connecting rod respectively, and the top inner of third connecting rod and fourth connecting rod all is articulated with the mounting bracket, first splint and second splint respectively with third connecting rod and fourth connecting rod fixed connection, first splint and second splint centre gripping in the bottom both sides of guide cylinder.
Further, actuating mechanism includes cylinder, fifth connecting rod, sixth connecting rod and seventh connecting rod, the cylinder is articulated with the mounting bracket, and the fixed actuating lever that is provided with on the output shaft of cylinder, the actuating lever is articulated with one side of fifth connecting rod and sixth connecting rod simultaneously, and the opposite side of fifth connecting rod is articulated with one side of seventh connecting rod, the opposite side of seventh connecting rod with the feed cylinder fixing base is articulated, the middle part of seventh connecting rod with the mounting bracket is articulated, the opposite side of sixth connecting rod with the mounting bracket is articulated.
Further, first connecting rod and second connecting rod symmetry set up, and the third connecting rod sets up with the fourth connecting rod symmetry, and first splint and second splint symmetry set up, wherein first connecting rod and second connecting rod articulate in the same position of feed cylinder fixing base, the third connecting rod articulate in the same position of mounting bracket with the fourth connecting rod.
Further, still include the fixed plate, the fixed plate with be provided with the weighing sensor who can weigh all loads on the mounting bracket between the mounting bracket.
Further, a bag opening mechanism is arranged at an outlet at the bottom of the material guide cylinder;
the bag supporting mechanism comprises a fixing sleeve and a plurality of shifting pieces, the fixing sleeve can be sleeved on the outer side of the material guide cylinder in a vertically sliding mode relative to the material guide cylinder, the plurality of shifting pieces are uniformly arranged along the circumferential direction, the outer side of each shifting piece is hinged with the fixing sleeve, and a tension spring is arranged between every two adjacent shifting pieces;
the mounting bracket is provided with a limiting shifting rod in a matched and fixed mode, the middle of the limiting shifting rod is hinged to the mounting bracket, a limiting structure is arranged between the limiting shifting rod and the mounting bracket, a sliding column is arranged on the fixing sleeve, and one side of the limiting shifting rod is provided with a sliding groove in a matched mode.
Furthermore, limit structure is including setting up the spacing post on the mounting bracket, and the lower extreme position of spacing post and spacing driving lever opposite side cooperation in order to restrict the spout, and limit structure is still including setting up the extension spring between mounting bracket and spacing driving lever.
Furthermore, the shape of the poking sheet is matched with the outer wall of the material guide cylinder.
Further, the feed cylinder fixing base is provided with an openable cover plate, a mounting cavity for mounting the feed cylinder is formed between the cover plate and the feed cylinder fixing base, and a limiting plate is fixedly arranged on the feed cylinder.
Furthermore, a clamping hole matched with the shape of the material guide cylinder is formed between the first clamping plate and the second clamping plate, and sealing strips are arranged on the first clamping plate and the second clamping plate in a matched mode with the material guide cylinder.
The technical scheme of the invention has the following beneficial effects: the invention realizes the coordinated action of a plurality of mechanisms through a group of power sources, ensures the action precision and can play a role in energy conservation; the invention realizes continuous filling action through a unique structure, thereby greatly improving the production efficiency; the invention realizes sealed filling, avoids the condition of dust overflow, avoids the adverse effect of dust on the movement precision of machinery, and prolongs the service life of equipment.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 11, the sealed type filling device for bag packages according to this embodiment includes a mounting frame 1, a material cylinder fixing seat 2 is disposed on the mounting frame 1 and can move up and down, a material guiding cylinder 3 is disposed on the material cylinder fixing seat 2, the material guiding cylinder 3 is connected to a blanking system (not shown), wherein the material guiding cylinder 3 is mounted in the middle of the material cylinder fixing seat 2, a vertical guiding structure is disposed between two sides of the material cylinder fixing seat 2 and the mounting frame 1, specifically, the vertical guiding structure may be a guiding post 101, a guiding hole is correspondingly disposed on the material cylinder fixing seat 2, a wear-resistant sleeve is disposed in the guiding hole, a sealing clamping assembly 4 is disposed at the lower side of the material cylinder fixing seat 2, when a packaging bag is sleeved at the bottom outlet of the material guiding cylinder 3, the sealing clamping assembly 4 is clamped at the overlapping position of the packaging bag and the material guiding cylinder 3, so as to form a completely sealed filling environment between the packaging bag and the material guiding cylinder 3, the phenomenon that the dust flies in disorder is completely avoided, the mounting rack 1 is provided with a driving mechanism 5 in cooperation with the material cylinder fixing seat 2, and the driving mechanism 5 is used for driving the material cylinder fixing seat 2 and the material guide cylinder 3 to complete lifting action.
The sealing and clamping assembly 4 comprises a first connecting rod 401, a second connecting rod 402, a third connecting rod 403, a fourth connecting rod 404, a first clamping plate 405 and a second clamping plate 406, one side of the first connecting rod 401 and one side of the second connecting rod 402 are hinged to the barrel fixing seat 2, the other side of the first connecting rod 401 and the other side of the second connecting rod 402 are hinged to the outer ends of the tops of the third connecting rod 403 and the fourth connecting rod 404 respectively, the inner ends of the tops of the third connecting rod 403 and the fourth connecting rod 404 are hinged to the mounting frame 1, the first clamping plate 405 and the second clamping plate 406 are fixedly connected with the third connecting rod 403 and the fourth connecting rod 404 respectively, and the first clamping plate 405 and the second clamping plate 406 are clamped to two sides of the bottom of the material guide cylinder 3.
For the sealing and clamping assembly 4, the inner end refers to an end close to the material guiding cylinder 3, the outer end refers to an end far from the material guiding cylinder 3, wherein a structure between the third connecting rod 403 and the first clamping plate 405 and a structure between the fourth connecting rod 404 and the second clamping plate 406 may be detachable in a split manner, or may be an integrated structure, in this embodiment, the third connecting rod 403 and the fourth connecting rod 404 are plate-shaped structures similar to a T shape, and of course, the specific shape thereof is not limited, and can be flexibly adjusted according to the actual situation.
The driving mechanism comprises a cylinder 501, a fifth connecting rod 502, a sixth connecting rod 503 and a seventh connecting rod 504, the cylinder 501 is hinged to the mounting frame 1, a driving rod 505 is fixedly arranged on an output shaft of the cylinder 501, the driving rod 505 is hinged to one side of the fifth connecting rod 502 and one side of the sixth connecting rod 503, the other side of the fifth connecting rod 502 is hinged to one side of the seventh connecting rod 504, the other side of the seventh connecting rod 504 is hinged to the charging barrel fixing seat 2, the middle of the seventh connecting rod 504 is hinged to the mounting frame 1, and the other side of the sixth connecting rod 503 is hinged to the mounting frame 1.
As shown in fig. 10, the cartridge holder 2 is provided with a hinge shaft 202, and as shown in fig. 8, the seventh link 504 is provided with a slotted hole 506 engaged with the hinge shaft 202.
Preferably, the first link 401 and the second link 402 are symmetrically arranged, the third link 403 and the fourth link 404 are symmetrically arranged, and the first clamping plate 405 and the second clamping plate 406 are symmetrically arranged, wherein the first link 401 and the second link 402 are hinged at the same position of the cartridge holder 2, the third link 403 and the fourth link 404 are hinged at the same position of the mounting frame 1, and the two "same positions" here refer to being hinged on the same horizontal rotating shaft, so that the synchronization of the two-side actions can be ensured.
The packaging machine also comprises a fixing plate 6, wherein a weighing sensor 7 capable of weighing all loads on the mounting frame 1 is arranged between the fixing plate 6 and the mounting frame 1, the packaging machine is connected with a packaging machine main body through the fixing plate 6, and the weights of all parts (including clamped packaging bags and materials filled in the packaging bags) on the mounting frame 1 are borne on the weighing sensor 7, so that in the filling process, the weight of the materials filled in the packaging bags can be monitored and controlled in real time through pressure difference, and the filling precision is ensured.
A bag opening mechanism 8 is arranged at the bottom outlet of the material guide cylinder 3, the bag opening mechanism 8 is used for realizing the auxiliary opening of the mouth of the packing bag, in order to ensure the filling efficiency, the bag supporting mechanism comprises a fixed sleeve 801 and a plurality of shifting pieces 802, the fixed sleeve 801 can be sleeved outside the material guiding cylinder 3 in a vertically sliding manner relative to the material guiding cylinder 3, the plurality of shifting pieces 802 are uniformly arranged along the circumferential direction, the outer side of each shifting piece 802 is hinged with the fixed sleeve 801, a tension spring 803 is arranged between every two adjacent shifting pieces 802, when no external force interference exists, under the action of the tension spring 803, the bottoms of all the shifting pieces 802 are attached and gathered together, and when the material guiding cylinder 3 extends between the shifting pieces 802, all the shifting pieces 802 are opened synchronously, the bottom of the shifting piece 802 props up the mouth of the packaging bag, so that the material guiding cylinder 3 can conveniently enter the packaging bag for blanking, and at the moment, the matching state of the material guiding cylinder 3 and the shifting pieces 802 is shown in fig. 6-7.
The mounting bracket 1 is provided with a limiting shifting rod 804 in cooperation with the fixing sleeve 801, the middle of the limiting shifting rod 804 is hinged to the mounting bracket 1, a limiting structure is arranged between the limiting shifting rod 804 and the mounting bracket 1, the fixing sleeve 801 is provided with a sliding column 805, and one side of the limiting shifting rod 804 is provided with a sliding groove 806 in cooperation with the sliding column 805.
The limiting structure comprises a limiting post 807 arranged on the mounting rack 1, the limiting post 807 is matched with the other side of the limiting deflector rod 804 to limit the lower limit position of the sliding chute 806, wherein the limiting column 807 can be a bolt screwed on the mounting rack 1, the swing angle of the limiting deflector rod 804 can be adjusted by adjusting the upper and lower positions of the bolt, to meet the actual requirement, the limiting structure further comprises a tension spring 808 arranged between the mounting rack 1 and the limiting deflector rod 804, wherein two limit deflector rods 804 are arranged in parallel relative to the fixed sleeve 801, a spring pull rod 809 is connected between the two limit deflector rods 804, a tension spring 808 is connected on the spring pull rod 809, when the end of the sliding slot 806 of the shift limiting rod 804 moves upward, the tension spring 808 can elastically pull the shift limiting rod 804, so that the guide cylinder 3 moves upward relative to the fixing sleeve 801 to provide a space for resetting the shifting piece 802.
The guide sleeve 810 is arranged in the fixing sleeve 801 and matched with the guide cylinder 3, the guide sleeve 810 is made of wear-resistant materials, in order to further ensure the stability of matching between the fixing sleeve 801 and the guide cylinder 3, a vertical guide groove is formed in the guide sleeve 810, and a vertical guide strip is correspondingly arranged on the guide cylinder 3.
The shape of the plectrum 802 is matched with the outer wall of the material guide cylinder 3, and when the plectrum 802 is completely supported, the plectrum 802 is arranged in a vertical state and is attached to the outer wall of the material guide cylinder 3.
Openable apron 201 that is provided with on feed cylinder fixing base 2, form the installation cavity that is used for installing guide cylinder 3 between apron 201 and the feed cylinder fixing base 2, the fixed limiting plate 301 that is provided with on the guide cylinder 3, one side of apron 201 is articulated with feed cylinder fixing base 2, the opposite side of apron 201 is connected through the bolt with feed cylinder fixing base 2, limiting plate 301 is provided with two, wherein be provided with spacing annular at feed cylinder fixing base 2 and one of them limiting plate 301 of top cooperation of apron 201, another limiting plate 301 is provided with spacing annular in feed cylinder fixing base 2 and the bottom cooperation of apron 201, can realize guide cylinder 3's quick assembly disassembly through this structure, do benefit to the maintenance and change.
A clamping hole matched with the shape of the guide cylinder 3 is formed between the first clamping plate 405 and the second clamping plate 406, sealing strips 407 are arranged on the first clamping plate 405 and the second clamping plate 406 in a matching manner with the guide cylinder 3, and the sealing strips 407 are of semi-annular structures.
In this embodiment, the sixth connecting rod 503 and the limiting deflector rod 804 are hinged to the same rotating shaft of the mounting frame 1, so as to ensure the compactness of the structure.
The outside of mounting bracket 1 can make overall structure clean and tidy, pleasing to the eye through setting up the protection casing.
The working principle of the invention is as follows:
the packaging bag is moved to the position right below the material guiding cylinder 3 through the clamping device, at the same time, the air cylinder 501 is in an extending state, the material cylinder fixing seat 2, the material guiding cylinder 3 and the fixing sleeve 801 are at the highest point of the stroke, the poking piece 802 is in a contracting state, the first clamping plate 405 and the second clamping plate 406 are in an opening state far away from the material guiding cylinder 3, then, the air cylinder 501 contracts, under the action of the fifth connecting rod 502, the sixth connecting rod 503 and the seventh connecting rod 504, the material cylinder fixing seat 2 and the material guiding cylinder 3 move downwards, meanwhile, the bottom end of the material guiding cylinder 3 is abutted against the unopened poking piece 802 to push the fixing sleeve 801 to move downwards, the fixing sleeve 801 drives the limiting poking rod 804 to swing through the cooperation of the sliding column 805 and the sliding groove 806, the bottom end of the poking piece 802 extends into the bag opening, the limiting poking rod 804 is in contact with the limiting column 807 to limit, at the moment, the limiting poking rod 804 does not move any more, and the fixing sleeve 801 does not move downwards under the limit of the limiting poking rod 804, at the moment, the guide cylinder 3 continues to move downwards to prop open all the poking pieces 802, in the process of opening the poking pieces 802, along with the opening of the packaging bag is propped open on one side of the poking pieces 802, the guide cylinder 3 extends into the packaging bag on one side, meanwhile, in the process of moving the material cylinder fixing seat 2 downwards, under the action of the first connecting rod 401, the second connecting rod 402, the third connecting rod 403 and the fourth connecting rod 404, the first clamping plate 405 and the second clamping plate 406 are gradually close to the guide cylinder 3, and in the process of stopping the movement of the guide cylinder 3, the packaging bag coated at the bottom of the guide cylinder 3 is clamped at the bottom of the guide cylinder 3 to realize the effect of sealing and clamping, so that the condition of dust overflow is avoided, then, the material can be filled, in the filling process, the material is weighed in real time through the weighing sensor 7, and the filling precision is ensured.
After filling, the air cylinder 501 extends, so that resetting of each structure can be realized, and then the next filling process is performed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.