CN113002886B - Reciprocating type end sealing device - Google Patents
Reciprocating type end sealing device Download PDFInfo
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- CN113002886B CN113002886B CN202110211772.XA CN202110211772A CN113002886B CN 113002886 B CN113002886 B CN 113002886B CN 202110211772 A CN202110211772 A CN 202110211772A CN 113002886 B CN113002886 B CN 113002886B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
- B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
- B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
Abstract
The utility model relates to a reciprocating type end seal device relates to the field of packing end seal, which comprises a frame, drive assembly as the power supply and the actuating mechanism end seal subassembly of end seal, drive assembly and end seal subassembly are all installed in the frame, the end seal subassembly includes seals sword module and seals sword module down, still including setting up the drive mechanism between drive assembly and end seal subassembly, drive mechanism includes with fast drive assembly, eccentric drive assembly, vertical direction subassembly and horizontal direction subassembly, through setting up vertical direction subassembly and horizontal direction subassembly, eccentric drive assembly can turn into eccentric rotation with the rotation and carve the motion track again on the end seal subassembly. The application has the effects of convenient control of the end sealing device and simpler structure.
Description
Technical Field
The application relates to the field of packaging end sealing, in particular to a reciprocating type end sealing device.
Background
When the end seal of the existing product packaging machine equipment is carried out, the upper sealing knife and the lower sealing knife are clamped oppositely and stay for a short time to finish the end seal, or the upper sealing knife and the lower sealing knife finish the end seal in the clamping process. The end sealing device is an important component on a packaging machine, when the packaging machine works, packaging bag paper firstly passes through the packaging machine to form a packaging bag model, then materials are filled in the packaging bag, the packaging bag is moved to the longitudinal sealing device to seal the side surface of the packaging bag, then the packaging bag is moved to the end sealing device to cut and seal the end part of the packaging bag, and packaging of the materials is achieved.
In the related art, an end sealing device includes an end sealing assembly and a driving assembly. The end sealing assembly comprises an upper knife sealing module and a lower knife sealing module, the upper knife sealing module and the lower knife sealing module relatively lift, and the end sealing of the package is completed through the attachment of the upper knife sealing module and the lower knife sealing module; the drive assembly includes: the end sealing driving part drives the upper knife sealing module and the lower knife sealing module to relatively lift, and the reciprocating driving part drives the upper knife sealing module and the lower knife sealing module to synchronously carry out horizontal reciprocating motion. The reciprocating drive and the end seal drive cooperate to cause the upper and lower knife sealing modules to move in the direction of transport of the packages while performing the end seal action.
To the above-mentioned correlation technique, need control reciprocating drive spare and end to seal the driving piece so that the end seals the subassembly and removes according to predetermineeing the orbit simultaneously, control is comparatively loaded down with trivial details.
Disclosure of Invention
In order to facilitate the use of the reciprocating end sealing structure, the application provides a reciprocating end sealing device which has the effects of simple structure and simple control.
The application provides a reciprocating type end sealing device adopts following technical scheme:
a reciprocating type end sealing device comprises a rack, a driving assembly serving as a power source and an end sealing actuating mechanism end sealing assembly, wherein the driving assembly and the end sealing assembly are both arranged on the rack;
the same-speed transmission assembly: the device comprises a first rotating shaft and a second rotating shaft, wherein the first rotating shaft and the second rotating shaft rotate at the same angular speed and in opposite rotation directions under the driving of a driving assembly;
the eccentric transmission assembly: the eccentric cutting machine comprises a first eccentric transmission part, a second eccentric transmission part, an upper cutting knife transmission rod and a lower cutting knife transmission rod, wherein the first eccentric transmission part and the second eccentric transmission part are respectively fixed on a first rotating shaft and a second rotating shaft;
the vertical guide assembly limits the upper sealing knife transmission rod and the lower sealing knife transmission rod to lift along the vertical direction, the vertical guide assembly is indirectly fixed on the rack through the horizontal guide assembly, and the horizontal guide assembly allows the vertical guide assembly, the upper sealing knife transmission rod and the lower sealing knife transmission rod to synchronously move in the horizontal direction.
By adopting the technical scheme, the upper sealing cutter module and the lower sealing cutter module synchronously move along with the eccentric shaft of the eccentric transmission member, so that the end sealing component can move along with the reciprocating movement in the horizontal direction while performing end sealing, and further continuously cuts in the motion process of packaging, and the end sealing efficiency of the packaging is improved. Through the arrangement, (1) the upper sealing knife transmission rod and the lower sealing knife transmission rod vertically slide on the left-side lower part of the vertical guide assembly, (2) the vertical guide assembly, and the upper sealing knife transmission rod and the lower sealing knife transmission rod on the vertical guide assembly horizontally slide on the whole seat under the action of the horizontal guide assembly; the vertical guide assembly and the horizontal guide assembly enable the running contour of the eccentric shaft of the eccentric transmission member to be completely and repeatedly engraved on the upper knife sealing module or the lower knife sealing module which are connected, the end sealing frequency of the end sealing assembly can be conveniently controlled by adjusting the output power of the driving assembly, and the movement tracks of the upper knife sealing module and the lower knife sealing module can be conveniently controlled by reasonably setting the position of the eccentric shaft on the eccentric transmission member. The driving assembly can drive the end sealing assembly to complete the reciprocating end sealing action through a driving mechanism consisting of the same-speed driving assembly, the eccentric driving assembly and the guide assembly, and the upper and lower cutting and left and right reciprocating actions of the upper sealing cutter module and the lower sealing cutter module are simultaneously completed through eccentric motion.
Optionally, the same-speed transmission assembly further comprises a same-speed gear pair, the same-speed gear pair comprises two gears which are the same in size and meshed with each other, the two gears are coaxially fixed on the first rotating shaft and the second rotating shaft respectively, and the driving assembly drives the same-speed gear pair to rotate.
By adopting the technical scheme, the two gears in the same-speed gear pair synchronously rotate, the angular speeds and the linear speeds of the two gears are the same, the rotating angular speeds of the first rotating shaft and the second rotating shaft are the same, and the directions of the rotating angular speeds and the rotating angular speeds are opposite, so that the eccentric transmission piece is driven to rotate in the opposite direction and at the same angular speed, the movement of the upper knife sealing module and the movement of the lower knife sealing module in the horizontal direction are coordinated to keep consistent, and the upper knife sealing module and the lower knife sealing module can be smoothly attached to carry out end sealing.
Optionally, the positions of the eccentric shafts of the first eccentric transmission member and the second eccentric transmission member are coaxially fixed with bolt bearings and are rotationally connected with the corresponding transmission rods through the bolt bearings.
Through adopting above-mentioned technical scheme, comparatively convenient with the eccentric shaft position rotation connection of transfer line and eccentric driving medium.
Optionally, the first eccentric transmission member and the second eccentric transmission member have the same eccentric moment.
By adopting the technical scheme, the same-speed transmission of the same-speed gear pair is matched, under the conditions that the eccentric moments of the first eccentric transmission part and the second eccentric transmission part are the same, the rotating speeds of the first rotating shaft and the second rotating shaft are the same, and the rotating directions are opposite, the horizontal movement tracks of the eccentric shafts of the first eccentric transmission part and the second eccentric transmission part are the same, and the upper knife sealing module and the lower knife sealing module can be reliably attached together in the end sealing process.
Optionally, the vertical guide assembly comprises a lifting slider and a lifting slide rail which are in sliding fit, the lifting slide rail is vertically arranged, and the lifting slider is fixed on the lower sealing cutter transmission rod and the upper sealing cutter transmission rod;
the horizontal guide assembly comprises a translation sliding rail fixed on the rack and a translation sliding block in sliding fit with the translation sliding rail, and the lifting sliding rail is fixed on the translation sliding block.
Through adopting above-mentioned technical scheme, the cooperation of lifting slide and lift slide rail for seal sword transfer line and seal sword transfer line down and go up and down along lift slide rail, the cooperation of translation slider and translation slide rail makes the lift slide rail drive seal sword transfer line and seal sword transfer line whole horizontal migration down, the combination of level and two vertical directions, through turning into the circular motion of eccentric driving medium lift and the horizontal migration action of end seal subassembly, need not to set up the procedure and control, the control of end seal device is more convenient.
Optionally, the horizontal guide assembly is at least provided with two groups and is arranged along the length direction of the lifting slide rail, each horizontal slide rail is at least provided with two horizontal slide blocks, and the horizontal slide blocks are symmetrically arranged on two sides of the horizontal slide rail.
Through adopting above-mentioned technical scheme, stability when having improved lift slide rail horizontal migration has strengthened drive mechanism's transmission stability.
Optionally, the drive assembly comprises a drive motor and a reduction gearbox adapted to each other.
By adopting the technical scheme, the rotating speed is reduced, and the torque is increased so as to meet the requirements of speed and force in the end sealing process.
Optionally, the lifting mechanism is used for adjusting the height of the whole rack.
Through adopting above-mentioned technical scheme, through the height of adjusting whole frame, can change the high position of end seal subassembly, and then change the cutting height of end seal to the packing requirement of adaptation different thickness.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the matching of the eccentric transmission assembly, the vertical guide assembly and the horizontal guide drilling, the upper cutter sealing module and the lower cutter sealing module respectively move along with the eccentric shafts of the eccentric transmission member I and the eccentric transmission member II, the moving tracks of the upper cutter sealing module and the lower cutter sealing module can be conveniently controlled, and the lifting end sealing action and the left-right reciprocating action are synchronously completed through the circular motion of the eccentric shafts;
2. the height of the whole rack is adjusted by the aid of the height adjusting mechanism, so that different end seal height requirements are met, and the end seal mechanism can better adapt to different cargo end seal requirements.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;
FIG. 2 is an exploded view of the first embodiment of the present application;
FIG. 3 is an exploded view of the second embodiment of the present application;
FIG. 4 is an enlarged view of area A of FIG. 3;
FIG. 5 is a third schematic exploded view of the first embodiment of the present application;
FIG. 6 is an enlarged view of area B of FIG. 5;
FIG. 7 is a schematic view of the overall structure of the height adjusting assembly in the second embodiment of the present application;
FIG. 8 is an exploded view of the height adjustment assembly of the second embodiment of the present application;
fig. 9 is a schematic view of an installation structure of the height-adjusting component in the second embodiment of the present application.
Reference numerals: 1. a frame; 11. a metal plate supporting plate; 111. a rectangular plate body; 112. a wing plate; 12. a connecting rod; 13. a connecting plate; 14. a reinforcing plate; 2. a drive assembly; 21. a drive motor; 22. a reduction gear box; 31. a constant speed drive assembly; 311. rotating a first shaft; 312. a second rotating shaft; 313. a pair of gears at the same speed; 32. an eccentric transmission assembly; 321. a first eccentric transmission member; 322. a second eccentric transmission part; 323. a bolt bearing; 324. an upper sealing knife transmission rod; 325. a lower sealing knife transmission rod; 33. a vertical guide assembly; 331. a lifting slide block; 332. a vertical support; 3321. lifting the slide rail; 34. a horizontal guide assembly; 341. mounting a plate; 342. translating the slide rail; 343. a translation slide block; 4. an end seal assembly; 41. an upper sealing knife module; 42. a lower seal cutter module; 5. a dust cover; 6. a counting assembly; 61. an angle iron fixing frame; 62. a photoelectric sensor; 63. a measuring ring sleeve; 631. a bump structure; 7. a height adjusting mechanism; 71. a base; 72. a support; 721. a sheet metal frame; 722. a support rail; 73. a height adjustment component; 731. a drive shaft; 732. a drive shaft; 733. a first shaft supporting seat; 734. a second shaft supporting seat; 735. a hand wheel; 736. a lifting screw; 737. a screw fixing block; 738. lifting the threaded sleeve; 739. connecting the cross beam; 74. a guide assembly; 741. a guide slider; 742. and a guide slide rail.
Detailed Description
Example 1:
a reciprocating end sealing device, referring to figure 1, comprises a frame 1, a driving component 2 as a power source, an executing mechanism end sealing component for end sealing action, and a transmission mechanism which drives the end sealing component to carry out reciprocating end sealing action under the driving of the driving component 2, wherein the driving component 2, the transmission mechanism and the end sealing component are all arranged on the frame 1.
Referring to fig. 1 and 2, the end sealing assembly includes an upper knife sealing module 41 and a lower knife sealing module 42, and the upper knife sealing module 41 and the lower knife sealing module 41 are relatively lifted and lowered step by step to complete the end sealing action.
Referring to fig. 1 and 2, the frame 1 includes two sheet metal support plates 11 parallel to each other and a connecting member disposed between the two sheet metal support plates 11. Referring to fig. 2, the main body of the sheet metal support plate 11 is a rectangular plate 111, two sides of the rectangular plate 111 are integrally provided with wing plates 112 for mounting parts, and the sheet metal support plate 11 is provided with a plurality of hole structures for mounting and fixing the parts; referring to fig. 2, the connecting member includes two types, namely a round rod-shaped connecting rod 12 and a rectangular plate-shaped connecting plate 13, the end portions of the connecting rod 12 and the connecting plate 13 are both provided with threaded holes, and the end portions of the connecting rod 12 and the connecting plate 13 are fixed on a rectangular plate body 111 of the sheet metal supporting plate 11 through screws; the connecting rod 12 mainly plays a role in connecting and fixing the two sheet metal supporting plates 11, and the connecting rod 12 is a main connecting structure between the two sheet metal supporting plates 11 because the connecting rod is thin and has small interference on installation of each part on the rack 1; the connecting plate 13 can be used as an installation platform for other parts while connecting the two sheet metal support plates 11; referring to fig. 2, three connecting rods 12 are provided, one connecting plate 13 is provided, and the three connecting rods 12 and the connecting plate 13 are respectively located at four corner positions of the rectangular plate body 111 of the sheet metal support plate 11 to form an effective support. Frame 1 still includes reinforcing plate 14 through the fix with screw in panel beating backup pad 11, and panel beating backup pad 11 itself is thinner, and intensity is lower, through addding reinforcing plate 14, can be under the condition that does not increase the panel beating backup pad 11 production degree of difficulty, strengthens the local intensity of panel beating backup pad 11 to better bear local heavy load, improve the structural stability in life and the use.
Referring to fig. 1 and 2, the driving assembly 2 includes a driving motor 21 and a reduction gear box 22, the reduction gear box 22 is fixed on the connecting plate 13 of the frame 1 by screws, and the driving motor 21 is fixed on the reduction gear box 22 by screws.
Referring to fig. 2, the driving mechanism includes a constant speed driving assembly 31, an eccentric driving assembly 32, a vertical guide assembly 33, and a horizontal guide assembly 34.
Referring to fig. 2 and 3, the constant speed transmission assembly 31 includes a first rotating shaft 311, a second rotating shaft 312, and a pair of constant speed gears 313 mounted on the first rotating shaft 311 and the second rotating shaft 312. The length and the shaft diameter of the first rotating shaft 311 and the second rotating shaft 312 are the same, the second rotating shaft 312 is located right above the first rotating shaft 311, mounting through holes are formed in the reinforcing plate 14 and the rectangular plate body 111 of the sheet metal support plate 11 in a penetrating mode and correspond to the first rotating shaft 311 and the second rotating shaft 312, and the end portions of the first rotating shaft 311 and the second rotating shaft 312 are rotationally fixed in the mounting through holes through ball bearings; the first rotating shaft 311 and the second rotating shaft 312 are coaxially provided with a transmission gear respectively, the two transmission gears are meshed with each other, the transmission ratio is one, the two transmission gears form a same-speed gear pair 313, the transmission gear on the first rotating shaft 311 is meshed with a gear at the output end of the reduction gear box 22, and the first rotating shaft 311 and the second rotating shaft 312 rotate at the same speed under the driving of the driving motor 21. Referring to FIG. 4, the eccentric drive assembly 32 includes a first eccentric drive 321, a second eccentric drive 322, an upper seal knife drive link 324, and a lower seal knife drive link 325. The main bodies of the first eccentric transmission part 321 and the second eccentric transmission part 322 are circular turntables, the diameters of the circular turntables are the same, a bolt bearing 323 is eccentrically arranged on the circular turntables relative to the axis of the circular turntables, the bearing end of the bolt bearing 323 is positioned on one side, far away from the sheet metal support plate 11, of the circular turntables, and the first eccentric transmission part 321 and the second eccentric transmission part 322 are coaxially fixed on the first rotating shaft 311 and the second rotating shaft 312 respectively and are connected through flat keys to realize synchronous rotation; the axis of the circular turntable is the central axis of the corresponding eccentric transmission member, the axis of the bolt bearing 323 is the eccentric axis of the corresponding eccentric transmission member, and the distances between the central axis and the eccentric axis of the first eccentric transmission member 321 and the second eccentric transmission member 322 are the same, namely the eccentric moments of the first eccentric transmission member 321 and the second eccentric transmission member 322 are equal; the eccentric shafts of the first eccentric transmission piece 321 and the second eccentric transmission piece 322 are always symmetrical about the symmetry plane of the central shafts of the first eccentric transmission piece 321 and the second eccentric transmission piece 322 in the rotating process.
Referring to fig. 2 and 3, the lower ends of the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 are respectively provided with a connection hole which is in plug-in fit with the bolt bearing 323, and the lower ends of the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 are respectively in rotary connection with the positions of the eccentric shafts on the first eccentric transmission member 321 and the second eccentric transmission member 322; the upper sealing knife transmission rod 324 is of a rectangular frame structure as a whole, and the lower sealing knife transmission rod 325 is arranged in the frame structure of the upper sealing knife transmission rod 324 so as to reasonably utilize space.
Referring to fig. 2 and 3, a counting assembly 6 for recording the number of turns of the second rotating shaft 312 is arranged at the second rotating shaft 312.
Referring to fig. 3 and 4, the counting assembly 6 includes an angle iron fixing frame 61 fixed on the sheet metal support plate 11 and a counting ring sleeve 63 fixed on the second rotating shaft 312, a through hole is formed in the angle iron fixing frame 61 so as to penetrate through and fix the photoelectric sensor 62, the main body of the counting ring sleeve 63 is a hollow cylinder, a cuboid bump structure 631 used for triggering the photoelectric sensor 62 is integrally arranged on one side of the counting ring sleeve 63, the counting ring sleeve 63 is sleeved on the second rotating shaft 312 and is fixed with the second rotating shaft 312 through an abutting screw, and the counting ring sleeve 63 rotates for one circle along with the second rotating shaft 312 to trigger the photoelectric sensor switch for one time.
Referring to fig. 5 and 6, the vertical guide assembly 33 includes a lifting slider 331 and a vertical bracket 332. The main body of the vertical support 332 is a vertically arranged rectangular plate body, lifting slide rails 3321 which are matched with the lifting slide blocks 331 in a sliding manner are symmetrically arranged on two sides of the vertical support 332, and the lifting slide rails 3321 and the vertical support 332 are integrally arranged; the lifting slide block 331 is provided with a plurality of blocks and is fixed on one side of the upper sealing knife transmission rod 324 and one side of the lower sealing knife transmission rod 325, which are far away from the eccentric transmission component, the lifting slide block 331 is respectively fixed on the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 through screws, and the vertical support 332 is positioned on one side of the lifting slide block 331, which is far away from the eccentric transmission component; the upper end and the lower end of the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 are both fixed with lifting slide blocks 331 through screws, and the lifting slide blocks 331 are symmetrically distributed on two sides of the vertical support 332 and are in sliding fit with the lifting slide rails 3321 on the corresponding sides.
Referring to fig. 5, horizontal guide assembly 34 includes a mounting plate 341, a translation slide 342, and a translation slide 343. The mounting plate 341 is fixed on the vertical bracket 332 by a screw, and the translation slider 343 is fixed on the mounting plate 341 by a screw; the translation slide rail 342 is in a long round bar structure, two ends of the translation slide rail 342 are respectively fixed on the wing plates 112 on two sides of the sheet metal support plate 11 through screws, and the translation slider 343 is slidably inserted and sleeved on the translation slide rail 342. Two groups of horizontal guide assemblies 34 are arranged along the length direction of the vertical support 332 to improve the stability of the translation sliding rail 342 in the sliding process.
Referring to fig. 5, both sides of the frame 1 are provided with an eccentric transmission assembly 32, a vertical guide assembly 33 and a horizontal guide assembly 34; two ends of the upper knife sealing module 41 are respectively connected and fixed with the upper knife sealing transmission rod 324 in the two groups of eccentric transmission parts 32 through screws, and two ends of the lower knife sealing module 42 are respectively connected and fixed with the lower knife sealing transmission rod 325 in the two groups of eccentric transmission parts 32 through screws, so that two ends of the upper knife sealing module 41 and two ends of the lower knife sealing module 42 are synchronously driven, stable lifting of the upper knife sealing module 41 and the lower knife sealing module 42 is ensured, the stability of end sealing action is ensured, and the packaging quality is ensured.
Referring to fig. 5, a rectangular dust cover 5 is arranged between the two horizontal sliding rails, the dust cover 5 is arranged right above the upper knife sealing module 41, two ends of the dust cover 5 are respectively fixed on the tops of the horizontal sliding rails through screws, and the dust cover 5 can prevent dust in a working environment from falling on the upper knife sealing module 41 to a certain extent, so as to prevent the upper knife sealing module 41 from dust accumulation to affect normal operation.
The embodiment of example 1 is: the driving motor 21 drives the same-speed gear pair 313 to rotate through the reduction gear box 22, the first rotating shaft 311 and the second rotating shaft 312 rotate in opposite directions at the same angular speed, and further the first eccentric transmission piece 321 and the second eccentric transmission piece 322 are driven to rotate in opposite directions at the same angular speed; because the vertical guide assembly 33 limits the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 to do lifting sliding, the horizontal guide assembly 34 limits the vertical guide assembly 33, the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 to do horizontal sliding integrally, the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 can drive the upper sealing knife module 41 and the lower sealing knife module 42 which are fixed at the end parts to do circular motion in opposite directions, the end sealing action is completed through lifting, and the upper sealing knife module 41 and the lower sealing knife module 42 can horizontally move along with the packaging seat on the conveying equipment during the end sealing action through left-right reciprocating movement; and because the eccentric moments of the first eccentric transmission member 321 and the second eccentric transmission member 322 are equal, the two bolt bearings 323 synchronously move in the horizontal direction, so that the upper knife sealing module 41 and the lower knife sealing module 42 can synchronously move in the horizontal direction, and the smooth end sealing is ensured. When the upper knife sealing module 41 and the lower knife sealing module 42 perform the merging action, the horizontal moving direction of the upper knife sealing module 41 and the lower knife sealing module 42 is the same as the moving direction of the packaging bag. This device can accomplish the end seal process at horizontal migration's in-process through the mode of reciprocal lift, has improved end seal efficiency, and can drive whole device through a driving motor 21 and accomplish reciprocal lift action, simple structure.
The implementation principle of the embodiment 1 is as follows: the eccentric transmission piece I321 and the eccentric transmission piece II 322 are driven to rotate in the same speed and opposite directions through the transmission of the same-speed gear pair 313, and the upper sealing knife transmission rod 324 and the lower sealing knife transmission movement track limited by the horizontal guide assembly 34 and the vertical guide assembly 33 enable the upper sealing knife transmission rod 324 and the lower sealing knife transmission rod 325 to completely transmit the circular motion action of the eccentric shaft on the eccentric transmission piece to the upper sealing knife module 41 and the lower sealing knife module 42, so that the upper sealing knife module 41 and the lower sealing knife module 42 rotate in the same angular speed and opposite directions; the eccentric shafts of the first eccentric transmission member 321 and the second eccentric transmission member 322 are always symmetrical about the symmetrical planes of the central shafts of the first eccentric transmission member 321 and the second eccentric transmission member 322 in the rotating process, so that the horizontal positions of the two eccentric shafts are always the same and have the maximum distance and the minimum distance, the horizontal positions of the upper knife sealing module 41 and the lower knife sealing module 42 are always the same, the opening and closing action is completed in the rotating process, and the upper knife sealing module 41 and the lower knife sealing module 42 can be opened and closed smoothly. The upper sealing knife module 41 and the lower sealing knife module 42 move in a circular motion mode, and can move back and forth in the horizontal direction while lifting to complete the opening and closing actions of the end seal, so that the end seal of the package can move horizontally along with the package in the end seal process, the quality influence caused by the relative displacement between the package and the end seal component 4 can be effectively reduced compared with an end seal device which does not move in the horizontal direction in the end seal process of the package, the continuous end seal is performed under the condition of continuous motion of the package, and the efficiency of the package end seal is improved; the whole end sealing device can be driven to operate only through the driving motor 21, and the end sealing device is simple in structure and convenient to install.
Example 2:
referring to fig. 7 and 8, the present embodiment is different from embodiment 1 in that: the lifting mechanism 7 comprises a base 71, a bracket 72 fixed on the base 71, a lifting component 73 fixed on the bracket 72 and used for adjusting the height of the rack 1, and a guide component 74 used for improving the lifting stability of the rack 1.
Referring to fig. 7 and 8, the bracket 72 includes four vertically disposed metal plate frames 721 and two supporting cross bars 722 fixed on the metal plate frames 721, and the four metal plate frames 721 are set as frame bodies with different profiles according to different use requirements; the support cross bar 722 is arranged between the sheet metal frame 721 and the sheet metal frame 721, the end part of the support cross bar 722 is connected with the sheet metal frame 721 through a screw, and the two support cross bars 722 are arranged oppositely.
Referring to fig. 7 and 8, the height-adjusting assembly 73 includes a driving shaft 731, a driving shaft 732, a first shaft support 733, a second shaft support 734, a hand wheel 735, a lifting screw 736, a screw fixing block 737, a lifting screw sleeve 738, and a connecting beam 739. The first shaft support seat 733 and the second shaft support seat 734 are respectively fixed on the two support cross bars 722 through screws, and two ends of the transmission shaft 732 are respectively rotatably installed on the first shaft support seat 733 and the second shaft support seat 734; the linkage rod of the driving shaft 731 is rotationally fixed on the first shaft supporting seat 733 and the sheet metal frame 721 respectively, the axis of the driving shaft 731 is perpendicular to the axis of the driving shaft 732, bevel gears are fixed at the ends of the driving shaft 731, which are close to the driving shaft 732, and are meshed with each other, the diameter of the bevel gear on the driving shaft 731 is smaller than that of the bevel gear on the driving shaft 732, the driving shaft 731 and the driving shaft 732 perform speed reduction transmission through the two bevel gears, and the hand wheel 735 is fixed at the end of the driving shaft 731, which is far from the driving shaft 732; the screw fixing block 737 is a rectangular body part fixed to the upper portion of the connecting cross beam 739 through screws, a through hole with a vertical axis penetrates through the screw fixing block 737, the lower end of the lifting screw 736 is rotatably mounted on the screw fixing block 737 through a bearing and is coaxial with the through hole in the screw fixing block 737, transmission between the lower end of the lifting screw 736 and the transmission shaft 732 is achieved through a worm and gear structure, a worm is coaxially fixed to the transmission shaft 732, and a turbine is coaxially fixed to the lower end of the lifting screw 736; a threaded hole is coaxially formed in the lifting threaded sleeve 738 corresponding to the lifting screw 736, and the lifting threaded sleeve 738 is fixedly connected with the connecting beam 739 through a screw; referring to fig. 9, the end of the connecting beam 739 is fixed to the wing plate 112 of the sheet metal support plate 11 by a screw, so as to limit the pivoting of the lifting screw 738, and the rotation of the lifting screw 736 can drive the lifting screw 738 to drive the connecting beam 739 and the frame 1 to lift; two ends of the transmission shaft 732 are respectively provided with a screw fixing block 737, a lifting screw 736, a lifting threaded sleeve 738 and a connecting beam 739, and the screw pitch of the screw is the same as the initial height of the lifting threaded sleeve 738, so that the whole rack 1 is stably driven to lift.
Referring to fig. 8 and 9, the guide assembly 74 includes a guide slider 741 fixed to the sheet metal frame 721 and a guide rail 742 fixed to the wing plate 112 of the sheet metal support plate 11 and corresponding to the guide slider 741 in position, the guide slider 741 and the guide rail 742 are engaged with each other in the same manner as the lifting rail 3321 and the lifting slider 331 in fig. 6, and both the guide slider 741 and the guide rail 742 are fixed to the opposite-to-top structure by screws; four sheet metal frames 721 correspond to the four wing plates 112 one by one, and four groups of guide assemblies 74 are arranged, so that the guide assemblies can play a role in guiding and enhancing the stability in the lifting process of the frame 1 and the assemblies thereon.
The implementation principle of the embodiment 2 is as follows: heightening mechanism 7 can the height of overall regulation frame 1, drive assembly 2, drive mechanism and end seal subassembly 4, and then the end seal height of adjustment end seal subassembly 4, and is higher to the goods that loads in the packing, leads to the condition that the end seal position need be adjusted, and the height of the regulation end seal position that this embodiment can be comparatively convenient, the packing end seal of the different goods of adaptation that can be better. The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. A reciprocating type end sealing device comprises a rack (1), a driving assembly (2) serving as a power source and an end sealing executing mechanism end sealing assembly (4), wherein the driving assembly (2) and the end sealing assembly (4) are both installed on the rack (1), the end sealing assembly (4) comprises an upper knife sealing module (41) and a lower knife sealing module (42), and the reciprocating type end sealing device is characterized by further comprising a transmission mechanism arranged between the driving assembly (2) and the end sealing assembly (4), and the transmission mechanism comprises a constant-speed transmission assembly (31), an eccentric transmission assembly (32), a vertical guide assembly (33) and a horizontal guide assembly (34);
constant speed transmission assembly (31): the device comprises a first rotating shaft (311) and a second rotating shaft (312), wherein the first rotating shaft (311) and the second rotating shaft (312) rotate at the same angular speed and in opposite rotating directions under the driving of a driving assembly (2);
eccentric transmission assembly (32): the sealing device comprises a first eccentric transmission part (321), a second eccentric transmission part (322), an upper sealing knife transmission rod (324) and a lower sealing knife transmission rod (325), wherein the first eccentric transmission part (321) and the second eccentric transmission part (322) are respectively fixed on a first rotating shaft (311) and a second rotating shaft (312), the upper sealing knife transmission rod (324) is connected with the eccentric shaft position of the first eccentric transmission part (321) and an upper sealing knife module (41), the lower sealing knife transmission rod (325) is connected with the eccentric shaft position of the second eccentric transmission part (322) and a lower sealing knife module (42), and one end of each of the upper sealing knife transmission rod (324) and the lower sealing knife transmission rod (325) is respectively connected with the eccentric shaft position of the corresponding eccentric transmission part in a rotating manner;
the vertical guide assembly (33) limits the upper sealing knife transmission rod (324) and the lower sealing knife transmission rod (325) to lift along the vertical direction, the vertical guide assembly (33) is indirectly fixed on the rack (1) through the horizontal guide assembly (34), and the horizontal guide assembly (34) allows the vertical guide assembly (33), the upper sealing knife transmission rod (324) and the lower sealing knife transmission rod (325) to synchronously move in the horizontal direction;
the eccentric shaft positions of the first eccentric transmission piece (321) and the second eccentric transmission piece (322) are coaxially fixed with bolt bearings (323) and are in rotating connection with corresponding transmission rods through the bolt bearings (323).
2. The reciprocating end seal apparatus of claim 1 wherein: the same-speed transmission assembly (31) further comprises a same-speed gear pair (313), the same-speed gear pair (313) comprises two gears which are the same in size and meshed with each other, the two gears are respectively and coaxially fixed on the first rotating shaft (311) and the second rotating shaft (312), and the driving assembly (2) drives the same-speed gear pair (313) to rotate.
3. The reciprocating end seal apparatus of claim 2 wherein: the eccentric moments of the first eccentric transmission piece (321) and the second eccentric transmission piece (322) are the same.
4. The reciprocating end seal apparatus of claim 1 wherein: the vertical guide assembly (33) comprises a lifting slide block (331) and a lifting slide rail (3321) which are matched in a sliding manner, the lifting slide rail (3321) is vertically arranged, and the lifting slide block (331) is fixed on the lower sealing cutter transmission rod (325) and the upper sealing cutter transmission rod (324);
the horizontal guide assembly (34) comprises a translation sliding rail (342) fixed on the frame (1) and a translation sliding block (343) matched with the translation sliding rail (342) in a sliding mode, and the lifting sliding rail (3321) is fixed on the translation sliding block (343).
5. The reciprocating end seal apparatus of claim 4 wherein: the horizontal guide assembly (34) is at least provided with two groups and is arranged along the length direction of the lifting slide rail (3321), each translation slide rail (342) is at least provided with two translation sliders (343), and the translation sliders (343) are symmetrically arranged on two sides of the translation slide rail (342).
6. The reciprocating end seal apparatus of claim 1 wherein: the driving assembly (2) comprises a driving motor (21) and a reduction gear box (22) which are matched.
7. The reciprocating end seal apparatus of claim 1 wherein: also comprises a height adjusting mechanism (7) for adjusting the height of the whole frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110211772.XA CN113002886B (en) | 2021-02-25 | 2021-02-25 | Reciprocating type end sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110211772.XA CN113002886B (en) | 2021-02-25 | 2021-02-25 | Reciprocating type end sealing device |
Publications (2)
| Publication Number | Publication Date |
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| CN113002886A CN113002886A (en) | 2021-06-22 |
| CN113002886B true CN113002886B (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110211772.XA Active CN113002886B (en) | 2021-02-25 | 2021-02-25 | Reciprocating type end sealing device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3798310B2 (en) * | 2001-12-13 | 2006-07-19 | 茨木精機株式会社 | Sealing device suitable for high speed rotation. |
| US20080066430A1 (en) * | 2006-09-15 | 2008-03-20 | Triangle Package Machinery Company | Continuous motion drive mechanism for a form, fill, and seal machine |
| KR101209560B1 (en) * | 2010-08-25 | 2012-12-07 | 장영석 | High speed forming machine for shaped pouch |
| CN202657321U (en) * | 2012-04-13 | 2013-01-09 | 陆丰机械(郑州)有限公司 | Full-servo reciprocating type packing machine |
| CN102910320B (en) * | 2012-10-16 | 2014-09-17 | 佛山市松川机械设备有限公司 | Reciprocating knife sealing mechanism applied to packing machine |
| CN104192368A (en) * | 2014-08-12 | 2014-12-10 | 陆丰机械(郑州)有限公司 | Reciprocating type packaging machine |
| CN205396701U (en) * | 2016-02-29 | 2016-07-27 | 蔡炳源 | Automatic packaging machine's reciprocating type sword seals mechanism |
| CN106428813B (en) * | 2016-12-02 | 2019-01-01 | 浙江希望机械有限公司 | A kind of end seal device of pillow type packing machine |
| CN209684136U (en) * | 2018-12-24 | 2019-11-26 | 瑞安市海创机械有限公司 | Two pass seals cutting mechanism |
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