CN115009603A - Fully opening device for packaging bag - Google Patents

Fully opening device for packaging bag Download PDF

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Publication number
CN115009603A
CN115009603A CN202210944136.2A CN202210944136A CN115009603A CN 115009603 A CN115009603 A CN 115009603A CN 202210944136 A CN202210944136 A CN 202210944136A CN 115009603 A CN115009603 A CN 115009603A
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China
Prior art keywords
piece
rod
transmission
connecting piece
cam
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CN202210944136.2A
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Chinese (zh)
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CN115009603B (en
Inventor
杨德晓
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Xuzhou Ruixue Packaging Co ltd
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Xuzhou Ruixue Packaging Co ltd
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Priority to CN202210944136.2A priority Critical patent/CN115009603B/en
Publication of CN115009603A publication Critical patent/CN115009603A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B43/00Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/10Waste collection, transportation, transfer or storage, e.g. segregated refuse collecting, electric or hybrid propulsion

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a fully opening device for a packaging bag, which comprises a power assembly, a first driving piece, a second driving piece and a mounting plate, wherein the power assembly comprises a double-cam power wheel, the first driving piece, the second driving piece and the mounting plate; the rowing component comprises a first connecting piece, a second connecting piece, a sliding rod, an adjusting piece and a rowing piece, wherein the first connecting piece is fixedly connected with the first transmission piece, the second connecting piece is hinged with the second transmission piece, and the first connecting piece is hinged with the sliding rod; the motion trail of the end point of the sliding piece sequentially passes through the first track point, the second track point, the third track point and the fourth track point, and the process is repeated. The invention can be matched with the whole production line, has high efficiency and reduces the labor intensity of production personnel; the bag opening of the packaging bag can be automatically opened before the material is filled; the scratching mode is impact scratching, and the opening precision and the opening stability are high.

Description

Fully opening device for packaging bag
Technical Field
The invention relates to the technical field of packaging devices, in particular to a full opening device for a packaging bag.
Background
At present, in order to ensure the smooth bagging of packaged articles in automatic and batch production, the opening of a packaging bag needs to be automatically opened before the materials are filled. However, the packaging bags are mostly light and thin plastic bags, and after the bag openings are opened, the packaging bags are transferred to the filling openings of packaged articles, so that the situation of automatic edge closing is easy to occur, and smooth bagging is affected.
Secondly, the bag mouth of the packaging bag is opened, the size of the opening of the packaging bag is not matched with the charging opening, and the smooth packaging can be influenced. When the opening of the packaging bag is too large, the packaged articles can splash out of the opening; when the opening of the packaging bag is too small, the problem that the opening of the packaging bag cannot be butted with a charging opening and cannot be bagged can occur.
Furthermore, the common way of opening the package in the current production flow is to prop up the bottom of the bag and then open the bag. This way the bag bottom must first be opened manually, which destroys the integrity of the production line, not only reducing the efficiency, but also increasing the labor intensity of the production personnel.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme: a fully opening device for a packaging bag comprises a power assembly and a scratching assembly;
a fully opening device for a packaging bag comprises a power assembly and a scratching assembly; the power assembly comprises a double-cam power wheel, a first transmission piece, a second transmission piece and a mounting plate. The double-cam power wheel is connected with the mounting plate, one end of the first transmission piece is rotatably connected with the mounting plate, the other end of the first transmission piece is contacted with the first power cam of the double-cam power wheel, one end of the second transmission piece is rotatably connected with the mounting plate, the other end of the second transmission piece is contacted with the second power cam of the double-cam power wheel, and the mounting plate is arranged perpendicular to the ground; the sliding assembly comprises a first connecting piece, a second connecting piece, a sliding rod, an adjusting piece and a sliding piece. The first connecting piece is fixedly connected with one end of the first transmission piece, the second connecting piece is hinged with the second transmission piece, the other end of the first connecting piece is hinged with the sliding rod, the second connecting piece is sleeved with the adjusting piece, the sliding rod is fixedly connected with the sliding piece, the adjusting piece is sleeved with the sliding rod, and the adjusting piece is hinged with the second power cam.
Furthermore, the first transmission piece is provided with a first transmission piece rolling wheel, a first transmission piece connecting rod and a first transmission piece mounting rod. The first transmission piece rolling wheel is in contact with the first power cam, the first transmission piece rolling wheel is hinged to the first transmission piece connecting rod, the first transmission piece connecting rod is fixedly connected with the first transmission piece mounting rod, one end of the first transmission piece mounting rod is hinged to the mounting plate, and the other end of the first transmission piece mounting rod is fixedly connected with the first connecting piece.
Furthermore, the second transmission member is provided with a second transmission member rolling wheel, a second transmission member connecting rod, a second transmission member mounting rod and a second transmission member balancing weight. The second transmission part rolling wheel is in contact with the second power cam, the second transmission part rolling wheel is hinged to the second transmission part connecting rod, the second transmission part connecting rod is fixedly connected with one end of the second transmission part mounting rod, and the other end of the second transmission part mounting rod is hinged to the mounting plate.
Further, the first connecting piece is provided with a first connecting piece sleeve and a first connecting piece telescopic rod. The first connecting piece sleeve is connected with the first connecting piece telescopic rod in a sleeved mode, the first connecting piece sleeve is fixedly connected with the first transmission piece, and the first connecting piece telescopic rod is hinged to the sliding rod.
Further, the second connecting piece is provided with a second connecting piece movable sleeve and a second connecting piece hinge rod. The second connecting piece movable sleeve is fixedly connected with the second connecting piece hinged rod, the second connecting piece movable sleeve is sleeved with the adjusting piece, and the second connecting piece hinged rod is hinged with the second transmission piece.
Further, the slide bar is provided with a limiting block, a slide bar hinge block and a slide bar connecting rod. The stopper set up in the slide bar both ends, the articulated piece of slide bar with first connecting piece telescopic link is articulated, the slide bar connecting rod with it connects to draw the piece.
Further, the regulating part is provided with a regulating block, and the regulating block is sleeved with the second connecting part movable sleeve.
Furthermore, the adjusting piece is also provided with an adjusting piece movable groove, and the sliding rod hinging block and the sliding rod connecting rod respectively extend out of the adjusting piece movable groove.
Further, the stroking piece is provided with a stroking rod and a stroking tip. The stroke rod and the stroke tip end are fixedly connected, the stroke rod is detachably connected with the sliding rod connecting rod, and the stroke rod is adjustable in length.
Further, the size and shape of the first power cam can be adjusted. The size and the shape of the second power cam can be adjusted, and the projections of the first power cam and the second power cam on the plane where one side of the surface of the mounting plate is located do not coincide.
The invention has the beneficial effects that: the device can be matched with the whole production line, so that the efficiency is improved, the labor intensity of production personnel is reduced, and the bag opening of the packaging bag can be automatically opened before charging; the size of the opening bag mouth can be adjusted to ensure that the packaging bag is fully opened; the depth of the cut of the inner opening of the opening bag mouth can be adjusted to ensure that the packaging bag is fully opened; the scratching mode is impact scratching, and the opening precision and the stability are high.
Drawings
Fig. 1 is a schematic view of an overall structure of a full package opening apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic view of the entire structure of a full package opening apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic view of the entire structure of a full package opening apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic view of the entire structure of a full package opening apparatus according to an embodiment of the present invention.
Fig. 5 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 6 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 7 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 8 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 9 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 10 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 11 is a partial schematic structural view of a sufficient package opening device according to an embodiment of the present invention.
Fig. 12 is a schematic view of the movement locus of the end point of the sliding member of the full package opening device according to an embodiment of the present invention.
In the figure: a power assembly 100, a double-cam power wheel 101, a first transmission piece 102, a second transmission piece 103, a mounting plate 104, a rowing assembly 200, a first connecting piece 201, a second connecting piece 202, a sliding rod 203, an adjusting piece 204, a rowing piece 205, a first track point A1, a second track point A2, a third track point A3, a fourth track point A4, a first power cam 101a, a second power cam 101b, a rotating rod 101c, a first transmission piece rolling wheel 102a, a first transmission piece connecting rod 102b, a first transmission piece mounting rod 102c, a second transmission piece rolling wheel 103a, a second transmission piece connecting rod 103b, a second transmission piece mounting rod 103c, a second transmission piece balancing weight 103d, a first connecting piece sleeve 201a, a first connecting piece telescopic rod 201b, a second movable connecting piece sleeve 202a, a second connecting piece rod 202b, a limiting block 203a, a sliding rod hinging block 203b, a sliding rod connecting rod 203c, an adjusting block 204a, an adjusting piece movable groove 204b, a sliding rod 205a and a sliding tip 205 b.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1 to 12, the present embodiment provides a fully opening apparatus for a packaging bag, including a power assembly 100 and a rowing assembly 200. The power assembly 100 comprises a double-cam power wheel 101, a first transmission piece 102, a second transmission piece 103 and a mounting plate 104, wherein the double-cam power wheel 101 is connected with the mounting plate 104, one end of the first transmission piece 102 is hinged to the mounting plate 104, the other end of the first transmission piece 102 naturally sags to be in contact with the double-cam power wheel 101, one end of the second transmission piece 103 is hinged to the mounting plate 104, the other end of the second transmission piece 103 naturally sags to be in contact with the double-cam power wheel 101, and one side face with the largest area of the mounting plate 104 is perpendicular to the ground.
The rowing component 200 comprises a first connecting piece 201, a second connecting piece 202, a sliding rod 203, an adjusting piece 204 and a rowing piece 205, wherein the first connecting piece 201 is fixedly connected with the first transmission piece 102, the second connecting piece 202 is hinged with the second transmission piece 103, the first connecting piece 201 is hinged with the sliding rod 203, the second connecting piece 202 is sleeved with the rowing piece 205, the sliding rod 203 is fixedly connected with the rowing piece 205, the adjusting piece 204 is sleeved with the sliding rod 203, the adjusting piece 204 is hinged with the double-cam power wheel 101, and the rowing piece 205 is made of metal materials.
The motion trail of the end point of the sliding element 205 passes through the first trail point a1, the second trail point a2, the third trail point A3 and the fourth trail point a4 in sequence, and the process is repeated.
The power assembly 100 provides power to finally enable the motion track of the end point of the sliding piece 205 in the sliding assembly 200 to be as shown in fig. 12, and the motion track necessarily passes through the first track point a1, the second track point a2, the third track point A3 and the fourth track point a4, and the process is repeated; the metal material of the paddling piece 205 paddled inside the plastic bag, destroyed the inside electrostatic adsorption and negative pressure adsorption of plastic bag, prevented the plastic bag from opening the back still can close.
In actual operation, the inner part of the packaging bag can be fully opened only by simply installing a conveying device such as a conveying belt and simply fixing the packaging bag and then placing the conveying belt on the packaging bag, aligning the opening of the packaging bag with the end point of the scratching piece 205 and moving the end point of the scratching piece 205 according to a preset and debugged motion track, and particularly for the packaging bags with pressing sealing strips at the openings of certain packaging bags, the opening mode of the traditional sucking disc is too low in efficiency and the packaging bags cannot be opened frequently; this device contrast sucking disc opens the mode, long service life, and the mode of opening is for drawing the impact of 205 endpoints of piece and draw, opens the precision and open stability height.
The double cam power wheel 101 is provided with a first power cam 101a, a second power cam 101b and a rotating rod 101c, wherein the first power cam 101a is in contact with the first transmission piece 102, the second power cam 101b is in contact with the second transmission piece 103, the rotating rod 101c is detachably connected with the first power cam 101a, and the rotating rod 101c is detachably connected with the second power cam 101 b.
The size and the shape of the first power cam 101a can be adjusted, the size and the shape of the second power cam 101b can be adjusted, the projections of the first power cam 101a and the second power cam 101b on the plane of one side of the surface of the mounting plate 104 are not overlapped, the axis of the rotating rod 101c is perpendicular to one side of the surface of the first power cam 101a, the axis of the rotating rod 101c is perpendicular to one side of the surface of the second power cam 101b, and the axis of the rotating rod 101c is perpendicular to one side of the surface of the mounting plate 104.
The first power cam 101a and the second power cam 101b are driven by the rotating rod 101c to rotate around the axis of the rotating rod 101c, the first power cam 101a is in contact with the first transmission piece 102, the first transmission piece 102 is moved by the cam structure of the first power cam 101a, the second transmission piece 103 is moved by the second power cam 101b, and the second transmission piece 103 is moved by the cam structure of the second power cam 101 b.
Since the projections of the first power cam 101a and the second power cam 101b on the surface of the mounting plate 104 are not coincident, the forces transmitted to the outside by the first power cam 101a and the second power cam 101b in the rotation period are different, and therefore the motions made by the first transmission piece 102 and the second transmission piece 103 are different.
The first transmission member 102 is provided with a first transmission member rolling wheel 102a, a first transmission member connecting rod 102b and a first transmission member mounting rod 102c, the first transmission member rolling wheel 102a is in contact with the first power cam 101a, the first transmission member rolling wheel 102a is hinged to the first transmission member connecting rod 102b, the first transmission member connecting rod 102b is fixedly connected with the first transmission member mounting rod 102c, one end of the first transmission member mounting rod 102c is hinged to the mounting plate 104, and the other end of the first transmission member mounting rod 102c is fixedly connected with the first connecting member 201.
The rolling of the first transmission rolling wheel 102a can effectively reduce the friction with the first power cam 101 a.
The first transmission member 102 is always in contact with the first power cam 101a under the influence of self-weight, because the first transmission member rolling wheel 102a is hinged to the first transmission member connecting rod 102b, the first transmission member connecting rod 102b is fixedly connected to the first transmission member mounting rod 102c, and one end of the first transmission member mounting rod 102c is hinged to the mounting plate 104, when the cam structure of the first power cam 101a jacks up the first transmission member rolling wheel 102a, the first transmission member connecting rod 102b and the first transmission member mounting rod 102c integrally rotate around the place where one end of the first transmission member mounting rod 102c is hinged to the mounting plate 104, and when the cam structure of the first power cam 101a no longer jacks up the first transmission member rolling wheel 102a, the first transmission member connecting rod 102b returns to the original position, and reciprocates in this way.
Second driving medium 103 is provided with second driving medium wheel 103a that rolls, second driving medium connecting rod 103b, second driving medium installation pole 103c and second driving medium balancing weight 103d, second driving medium wheel 103a that rolls contacts with second power cam 101b, second driving medium wheel 103a and second driving medium connecting rod 103b are articulated, second driving medium connecting rod 103b and second driving medium installation pole 103c one end fixed connection, the second driving medium installation pole 103c other end is articulated with mounting panel 104.
The rolling of the rolling wheel 103a of the second transmission member can effectively reduce the friction with the second power cam 101 b.
Second driving medium 103 is influenced by second driving medium balancing weight 103d and contacts with second power cam 101b all the time, because second driving medium rolling wheel 103a is articulated with second driving medium connecting rod 103b, second driving medium connecting rod 103b and second driving medium installation rod 103c one end fixed connection, second driving medium installation rod 103c other end is articulated with mounting panel 104, after second driving medium rolling wheel 103a is jacked up by second power cam 101 b's cam structure, second driving medium connecting rod 103b and second driving medium installation rod 103c are whole to take place the rotation of certain angle around the place that second driving medium installation rod 103c one end is articulated with mounting panel 104, after second driving medium rolling wheel 103a is no longer jacked up by second power cam 101 b's cam structure, second driving medium connecting rod 103b gets back to the original position, so reciprocate.
The first connecting piece 201 is provided with a first connecting piece sleeve 201a and a first connecting piece telescopic rod 201b, the first connecting piece sleeve 201a and the first connecting piece telescopic rod 201b are sleeved, the first connecting piece sleeve 201a and the first transmission piece 102 are fixedly connected, and the first connecting piece telescopic rod 201b is hinged to the sliding rod 203.
The arrangement of the first connecting member sleeve 201a and the first connecting member telescopic rod 201b enables the first connecting member 201 to have a telescopic function.
The first transmission member 102 is always in contact with the first power cam 101a under the influence of self-weight, because the first transmission member connecting rod 102b is fixedly connected with the first transmission member mounting rod 102c, and one end of the first transmission member mounting rod 102c is hinged to the mounting plate 104, when the cam structure of the first power cam 101a jacks up the first transmission member rolling wheel 102a, the first transmission member connecting rod 102b and the first transmission member mounting rod 102c integrally rotate around the place where one end of the first transmission member mounting rod 102c is hinged to the mounting plate 104, and when the cam structure of the first power cam 101a does not jack up the first transmission member rolling wheel 102a any more, the first transmission member connecting rod 102b returns to the original position, and the operation is repeated.
Because the first connecting member sleeve 201a is fixedly connected with the first transmission member 102, when the first transmission member connecting rod 102b and the first transmission member mounting rod 102c integrally rotate around the position where one end of the first transmission member mounting rod 102c is hinged with the mounting plate 104, the first connecting member sleeve 201a rotates, and the corresponding first connecting member telescopic rod 201b rotates.
The second connecting piece 202 is provided with a second connecting piece movable sleeve 202a and a second connecting piece hinged rod 202b, the second connecting piece movable sleeve 202a and the second connecting piece hinged rod 202b are fixedly connected, the second connecting piece movable sleeve 202a is sleeved with the adjusting piece 204, and the second connecting piece hinged rod 202b is hinged with the second transmission piece 103.
Second driving medium 103 is influenced by second driving medium balancing weight 103d and contacts with second power cam 101b all the time, because second driving medium rolling wheel 103a is articulated with second driving medium connecting rod 103b, second driving medium connecting rod 103b and second driving medium installation rod 103c one end fixed connection, second driving medium installation rod 103c other end is articulated with mounting panel 104, after second driving medium rolling wheel 103a is jacked up by second power cam 101 b's cam structure, second driving medium connecting rod 103b and second driving medium installation rod 103c are whole to take place the rotation of certain angle around the place that second driving medium installation rod 103c one end is articulated with mounting panel 104, after second driving medium rolling wheel 103a is no longer jacked up by second power cam 101 b's cam structure, second driving medium connecting rod 103b gets back to the original position, so reciprocate.
Because the second connecting member movable sleeve 202a is sleeved with the adjusting member 204, and the second connecting member hinge rod 202b is hinged with the second transmission member 103, when the second transmission member connecting rod 103b and the second transmission member mounting rod 103c integrally rotate around the place where one end of the second transmission member mounting rod 103c is hinged with the mounting plate 104 by a certain angle, the second connecting member movable sleeve 202a also rotates, and the corresponding adjusting member 204 also rotates.
The sliding rod 203 is provided with a limiting block 203a, a sliding rod hinge block 203b and a sliding rod connecting rod 203c, the limiting blocks 203a are arranged at two ends of the sliding rod 203, the sliding rod hinge block 203b is hinged with the first connecting piece telescopic rod 201b, and the sliding rod connecting rod 203c is connected with the sliding piece 205.
The adjusting piece 204 is provided with an adjusting block 204a, and the adjusting block 204a is sleeved with the second connecting piece movable sleeve 202 a.
The adjusting piece 204 is further provided with an adjusting piece moving groove 204b, the sliding rod 203 is matched with the adjusting piece moving groove 204b, and the sliding rod hinge block 203b and the sliding rod connecting rod 203c respectively extend out of through holes in different directions of the adjusting piece moving groove 204 b.
Because the sliding rod hinge block 203b is hinged with the first connecting piece telescopic rod 201b, when the first connecting piece telescopic rod 201b rotates, the sliding rod hinge block 203b is pulled to drive the sliding rod 203 to integrally displace, and because the adjusting piece 204 is also provided with the adjusting piece movable groove 204b, the sliding rod 203 is matched with the adjusting piece movable groove 204b, under the limitation of the adjusting piece movable groove 204b, the sliding rod 203 moves along the adjusting piece movable groove 204b, and the sliding rod connecting rod 203c is connected with the sliding piece 205, and finally drives the sliding piece 205 to move.
Because the second connecting piece movable sleeve 202a is sleeved with the adjusting piece 204, and the second connecting piece hinged rod 202b is hinged with the second transmission piece 103, when the second transmission piece connecting rod 103b and the second transmission piece mounting rod 103c integrally rotate around the place where one end of the second transmission piece mounting rod 103c is hinged with the mounting plate 104 by a certain angle, the second connecting piece movable sleeve 202a also rotates, and the corresponding adjusting piece 204 also rotates; the adjusting piece 204 is provided with an adjusting block 204a, the adjusting block 204a is sleeved with the second connecting piece movable sleeve 202a, the adjusting piece 204 is hinged with the double-cam power wheel 101, when the double-cam power wheel 101 rotates, the adjusting piece 204 cannot rotate along with the double-cam power wheel 101, the double-cam power wheel 101 only plays a supporting role for the adjusting piece 204, the adjusting block 204a can rotate around the position where the adjusting piece 204 is hinged with the double-cam power wheel 101 in a reciprocating mode, the sliding rod 203 is limited by the adjusting piece 204, and the sliding rod 203 can also rotate in a reciprocating mode.
The sliding piece 205 is provided with a sliding rod 205a and a sliding tip 205b, the sliding rod 205a is fixedly connected with the sliding tip 205b, the sliding rod 205a is detachably connected with the sliding rod connecting rod 203c, and the length of the sliding rod 205a is adjustable.
The sliding rod 203 is limited by the adjusting piece 204, the sliding rod 203 can rotate in a reciprocating mode, the sliding tip 205b can also rotate in a reciprocating mode, the sliding rod 203 can also move in a reciprocating mode along the adjusting piece movable groove 204b, the sliding tip 205b can also move in a reciprocating mode along the adjusting piece movable groove 204b in an axial line mode, finally, the length of the sliding rod 205a is adjusted, after the size and the shape of the first power cam 101a and the second power cam 101b are adjusted, the sliding tip 205b is aligned to the side, with the opening, of the packaging bag, and the sliding tip 205b can necessarily pass through the first track point A1, the second track point A2, the third track point A3 and the fourth track point A4, and the process is repeated.
Because the first power cam 101a and the second power cam 101b are driven by the rotating rod 101c to rotate around the axis of the rotating rod 101c, the projections of the first power cam 101a and the second power cam 101b on the surface of the mounting plate 104 on the plane do not coincide, the cam structures of the first power cam 101a and the second power cam 101b can make the components in transmission fit with the cam structures reciprocate, and the first power cam 101a and the second power cam 101b respectively have two states of jacking and non-jacking for the contacted transmission components, so that four different influences can be generated on the motion of the stroking tip 205b, and the stroking tip 205b inevitably passes through the first track point a1, the second track point a2, the third track point A3 and the fourth track point a4, and the cycle is repeated.
The sliding rod 203 is restricted by the adjusting piece 204, the sliding rod 203 will rotate reciprocally, the sliding tip 205b will also rotate reciprocally, the sliding rod 203 will also reciprocate along the adjusting piece moving groove 204b, and the sliding tip 205b will also reciprocate along the adjusting piece moving groove 204b in the axis.
And the track between the first track point A1 and the second track point A2 is taken as an arc, and the track between the third track point A3 and the fourth track point A4 is taken as an arc.
And the track between the second track point A2 and the fourth track point A4 is a straight line, and the track between the first track point A1 and the third track point A3 is a straight line.
The size and the shape of the first power cam 101a can be adjusted, and the size and the shape of the second power cam 101b can be adjusted, so that the length between the four sections of tracks can be adjusted, and the tip 205b can be moved to cut packaging bags with different sizes.

Claims (10)

1. The utility model provides a wrapping bag fully opens device which characterized in that: comprises a power assembly (100) and a rowing assembly (200);
the power assembly (100) comprises a double-cam power wheel (101), a first transmission piece (102), a second transmission piece (103) and a mounting plate (104), the double-cam power wheel (101) is connected with the mounting plate (104), one end of the first transmission piece (102) is rotatably connected with the mounting plate (104), the other end of the first transmission piece (102) is in contact with a first power cam (101 a) of the double-cam power wheel (101), one end of the second transmission piece (103) is rotatably connected with the mounting plate (104), the other end of the second transmission piece (103) is in contact with a second power cam (101 b) of the double-cam power wheel (101), and the mounting plate (104) is arranged perpendicular to the ground;
the rowing component (200) comprises a first connecting piece (201), a second connecting piece (202), a sliding rod (203), an adjusting piece (204) and a rowing piece (205), wherein the first connecting piece (201) is fixedly connected with one end of the first transmission piece (102), the second connecting piece (202) is hinged to the second transmission piece (103), the other end of the first connecting piece (201) is hinged to the sliding rod (203), the second connecting piece (202) is sleeved with the adjusting piece (204), the sliding rod (203) is fixedly connected with the rowing piece (205), the adjusting piece (204) is sleeved with the sliding rod (203), and the adjusting piece (204) is hinged to the second power cam (101 b).
2. The full package opening device of claim 1, wherein: the first transmission piece (102) is provided with a first transmission piece rolling wheel (102 a), a first transmission piece connecting rod (102 b) and a first transmission piece mounting rod (102 c), the first transmission piece rolling wheel (102 a) is in contact with a first power cam (101 a), the first transmission piece rolling wheel (102 a) is hinged to the first transmission piece connecting rod (102 b), the first transmission piece connecting rod (102 b) is fixedly connected with the first transmission piece mounting rod (102 c), one end of the first transmission piece mounting rod (102 c) is hinged to the mounting plate (104), and the other end of the first transmission piece mounting rod (102 c) is fixedly connected with the first connecting piece (201).
3. The full package opening apparatus of claim 2, wherein: second driving medium (103) are provided with second driving medium wheel (103 a), second driving medium connecting rod (103 b), second driving medium installation pole (103 c) and second driving medium balancing weight (103 d) of rolling, second driving medium wheel (103 a) with second power cam (101 b) contact, second driving medium wheel (103 a) roll with second driving medium connecting rod (103 b) are articulated, second driving medium connecting rod (103 b) with second driving medium installation pole (103 c) one end fixed connection, second driving medium installation pole (103 c) the other end with mounting panel (104) are articulated.
4. The full package opening apparatus of claim 3, wherein: first connecting piece (201) are provided with first connecting piece sleeve (201 a) and first connecting piece telescopic link (201 b), first connecting piece sleeve (201 a) with first connecting piece telescopic link (201 b) cup joint, first connecting piece sleeve (201 a) with first transmission piece (102) fixed connection, first connecting piece telescopic link (201 b) with slide bar (203) are articulated.
5. The full package opening apparatus of claim 4, wherein: the second connecting piece (202) is provided with a second connecting piece movable sleeve (202 a) and a second connecting piece hinged rod (202 b), the second connecting piece movable sleeve (202 a) is fixedly connected with the second connecting piece hinged rod (202 b), the second connecting piece movable sleeve (202 a) is sleeved with the adjusting piece (204), and the second connecting piece hinged rod (202 b) is hinged with the second transmission piece (103).
6. The pouch full open device of claim 5, wherein: the slide bar (203) is provided with a limiting block (203 a), a slide bar hinging block (203 b) and a slide bar connecting rod (203 c), the limiting block (203 a) is arranged at two ends of the slide bar (203), the slide bar hinging block (203 b) is hinged with the first connecting piece telescopic rod (201 b), and the slide bar connecting rod (203 c) is connected with the scratching piece (205).
7. The full package opening apparatus of claim 5, wherein: the adjusting piece (204) is provided with an adjusting block (204 a), and the adjusting block (204 a) is sleeved with the second connecting piece movable sleeve (202 a).
8. The full package opening apparatus of claim 6, wherein: the adjusting piece (204) is further provided with an adjusting piece movable groove (204 b), and the sliding rod hinging block (203 b) and the sliding rod connecting rod (203 c) respectively extend out of the adjusting piece movable groove (204 b).
9. The full package opening apparatus of claim 8, wherein: the stroke piece (205) is provided with stroke pole (205 a) and stroke most advanced (205 b), stroke pole (205 a) with stroke most advanced (205 b) fixed connection, stroke pole (205 a) with the connection of can dismantling is moved to the slide bar connecting rod (203 c), stroke pole (205 a) length adjustable.
10. The full package opening device of claim 1, wherein: the size and the shape of the first power cam (101 a) can be adjusted, the size and the shape of the second power cam (101 b) can be adjusted, and the projections of the first power cam (101 a) and the second power cam (101 b) on the plane of one side of the surface of the mounting plate (104) are not overlapped.
CN202210944136.2A 2022-08-08 2022-08-08 Fully opening device for packaging bag Active CN115009603B (en)

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