Auxiliary tool is used in a kind of packaging bag production
Technical field
The present invention relates to packaging bag production fields more particularly to packaging bag production to use auxiliary tool.
Background technique
Packaging bag is article common in life, especially woven bag, is widely used at present to grain, fertilizer, change
Work and other items is packed, due to consideration that the factors such as moisture-proof, leakproof, rainwater-proof intrusion, the inside meeting of usual this kind of packaging bag
Add one layer of inner bag made of hyaline membrane.
This kind of packaging bag after inner bag is inserted in outer bag, needs to prick inner bag and outer bag in opening in production
It closes, so that inner bag is fixed, inner bag generation is avoided to influence to pack with respect to sliding.
Currently, due to being difficult to find fit closely, efficient, dedicated interior outer bag bundle conjunction machine in the market,
In many packaging bag manufacturers, it is usually all by worker with sewing machine (or other tying machines) that interior outer bag, which pricks the process closed,
Come what is completed, when pricking conjunction, anchor ring is carried out using sack of the sewing machine to the packaging bag for having packaged inner bag and pricks conjunction, makes inner bag and outer bag
It is fixed.And due to packaging inner bag after, bag body is usually flat, therefore when sewing hands- operation, needs to arrange sack one on one side
Bian Zhahe, it appears be more troublesome, and influence working efficiency, the speed of production of packaging bag is caused to be difficult to be promoted.
Summary of the invention
In view of the above-mentioned problems, technical problem to be solved by the invention is to provide a kind of packaging bag production auxiliary tool,
To play booster action when pricking and closing interior outer bag, optimizes interior outer bag and prick the process closed.
The technical solution adopted by the present invention to solve the technical problems is: a kind of packaging bag production auxiliary tool, packet
It includes:
Pull rod;
First pullover, housing and the one end for being fixed on the pull rod;
Second pullover, be coated at the middle part of the pull rod and with pull rod clearance fit;
First spring is coated on the pull rod between the first pullover and the second pullover, and the both ends of the first spring respectively with
First pullover and the second pullover offset;
Multiple support rods, each support rod are equally spaced around second pullover, and support rod includes first segment and the
Two sections, one end of first segment is rotationally connected on the second pullover, the other end tiltedly extend to the first inclination of first set after with second
One end connection of section, second segment are bent inwardly relative to first segment, and the other end of second segment is free end;
Multiple motion bars, each motion bar are equally spaced around the first set head, and one end of motion bar rotatably connects
It is connected on the first pullover, the other end is rotationally connected with the middle part of support rod first segment;
Locking piece, when the spacing between the first pullover and the second pullover reduces, which is used to make the spacing of the two
It keeps constant, and after locking piece keeps constant the spacing, the second segment of each support rod is parallel to each other.
The use principle of auxiliary tool of the invention is as follows:
When making packaging bag (such as woven bag), after inner bag is inserted in outer bag, by one end of the first pullover of this auxiliary tool
It is inserted into inner bag, then a hand holds pull rod, and another hand push moves the second pullover, and keep the second pullover mobile to the first pullover, from
And each support rod is gradually spread out, until the second segment of support rod can be by bag opening support when the second segment of each support rod is parallel to each other
At it is round (note that sack held round after need to reserve certain surplus, prick and close so as to suture, meanwhile, note also outer bag in guarantee
Sack be substantially flush);Later, one side rotating tension bar rotates bag body slowly, on one side with hand-held sewing machine (or other sutures
Machine) at the sack to internal bag, outer bag carry out suture and prick and close (pricking before closing can be first by the sack of outer bag to in-flanges), revolved to bag body
After turning around, after the completion of the entire anchor ring of sack sutures, then unlock locking piece, later, under the action of the first spring, the
Two pullovers can be mobile backwards to the first pullover, so that each support rod be made gradually to withdraw, later again takes out auxiliary tool out of bag body,
Complete the process of outer bag suture in entire.
Auxiliary tool of the invention has the beneficial effect that:
Since under the action of this auxiliary tool, sack can be supportted into circle, and there are certain surpluses, so pricking in conjunction
It is very convenient when outer bag, operator only needs quickly be pricked the anchor ring of sack with hand-held sewing machine and close, and makes inner bag
It is fixed by suture and outer bag;More existing interior outer bag is pricked close process for, easy mode of operation can greatly promote work effect
Rate accelerates the manufacturing speed of packaging bag.
Further, the angle between the first segment and the second segment is between 150 ° -170 °.
Further, the length of the second segment is between 50mm-400mm.
Further, the quantity of the support rod and motion bar is eight.
Further, the groove for installing the locking piece is offered on the pull rod;The locking piece includes
Movable head and second spring, movable head are placed in the groove, and second spring is set to the lower section of the movable head and both ends point
Bottom surface not with movable head and groove offsets;
When the second spring in a free state, movable head is greater than pull rod and the relative to the protrusion height of pull rod
The gap of two pullover inner holes.
Further, the movable head includes limiting section and press section, and limiting section is located at close to the side of the first spring,
Press section is located remotely from the side of the first spring, and the height of projection of limiting section is greater than the height of projection of press section.
In addition, the packaging bag includes inner bag and outer bag, this method the present invention also provides a kind of production method of packaging bag
Include the following steps:
Inner bag is placed within outer bag by the first step, and arranges inner bag, and the sack of the sack and outer bag that make inner bag is substantially neat
It is flat;
Second step, by the auxiliary tool described in claim 1 insertion inner bag, and the one end being inserted into is the first pullover
Locating one end;
Third step pushes the second pullover of auxiliary tool, keeps the second pullover mobile to the side of close first pullover,
Until each support rod expansion and support rod second segment by the bag opening support of interior outer bag at circle, then utilize the locking piece
Keep constant the first pullover and the spacing of the second pullover;Wherein, after sack is softened, there are surpluses to extend for interior outer bag needs
The second segment, so as to binding;
The pull rod of the auxiliary tool is placed on bracket by the 4th step, and guarantees that placing back stay can freely turn around axis
It is dynamic;
5th step, by the sack of outer bag to after in-flanges, with hand-held sewing machine, internal outer bag carries out suture at flange
It pricks and closes;Wherein, in this step, the pull rod for rotating auxiliary tool on one side rotates bag body, and one side suture, which is pricked, to be closed, until sack
Entire anchor ring suture is completed.
Further, in the third step, the length of the surplus is between 50mm-150mm.
According to the above method it is found that and there are sutures for sack since the sack of interior outer bag is to be supportted into tight circular
Surplus, so can be sutured while rotating bag body, quickly and efficiently when using hand-held sewing machine suture;Compared to passing
The mode of system sewing on-machine-seaming can greatly speed up the manufacturing speed of packaging bag, and operation wants easy to be very much.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of packaging bag production auxiliary tool in embodiment 1;
Fig. 2 is the schematic diagram in Fig. 1 after support rod expansion, which illustrates the second segment of support rod for interior outer bag simultaneously
State when sack struts;
Fig. 3 is the A-A direction view of Fig. 2;
Fig. 4 is the B-B direction view of Fig. 2;
Fig. 5 is the enlarged drawing in Fig. 2 at dotted line frame C;
Fig. 6 is the enlarged drawing in Fig. 2 at dotted line frame D;
Fig. 7 is the structural schematic diagram of bracket used in embodiment 2;
Marked in the figure: 1- pull rod, the first pullover of 2-, the second pullover of 3-, the first spring of 4-, 5- support rod, 6- motion bar, 7-
Locking piece, 11- groove, 51- first segment, 52- second segment, 71- movable head, 72- second spring, 81- outer bag, 82- inner bag, 91-
Stabilizer blade, 92- table top, 93- sleeve, 711- limiting section, the press section 712-.
Specific embodiment
The present invention is described in further detail combined with specific embodiments below, but embodiments of the present invention are not limited to
This.
Embodiment 1:
As shown in figs 1 to 6, a kind of packaging bag production auxiliary tool is present embodiments provided comprising pull rod 1, first
Pullover 2, the second pullover 3, the first spring 4, multiple support rods 5, multiple motion bars 6 and locking piece 7.
The pull rod 1 is elongated round bar.
First pullover, 2 housing and the one end for being fixed on the pull rod 1.
Second pullover 3 be coated at the middle part of the pull rod 1 and with 1 clearance fit of pull rod, i.e. in the second pullover 3
The heart is provided with axial through-hole, and pull rod 1 passes through the through-hole and can move freely.
First spring 4 is coated on the pull rod 1 between the first pullover 2 and the second pullover 3, and the first spring 4
End face of the both ends respectively with the first pullover 2 and the second pullover 3 offsets.
Each support rod 5 is equally spaced (referring to fig. 4) around second pullover 3, and support rod 5 includes first
Section 51 and second segment 52, one end of first segment 51 are rotationally connected on the second pullover 3, and the other end is rolled to the first pullover 2 one
It is connect after tiltedly extending with one end of second segment 52, second segment 52 is bent inwardly relative to first segment 51, and second segment 52 is another
One end is free end.
Each motion bar 6 is equally spaced around first pullover 2 (referring to Fig. 3), and one end of motion bar 6 can
It is rotationally connected on the first pullover 2, the other end is rotationally connected with the middle part of 5 first segment 51 of support rod.
About the locking piece 7, when the spacing between the first pullover 2 and the second pullover 3 reduces, which is used
It is kept constant in the spacing both made, and after locking piece 7 keeps constant the spacing, the second segment 52 of each support rod 5 is mutual
Parallel, i.e., the second segment 52 of each support rod 5 is on the same anchor ring, to allow to the bag opening support Cheng Yuan of packaging bag
Shape.
Wherein, the specific set-up mode being rotatably connected at above-mentioned a few places is routine techniques, herein not to how realizing
It is rotatably connected and is repeated.
Preferably, the angle between the first segment 51 and the second segment 52 is between 150 ° -170 °, the angle in figure
It is 162 °, as shown in Figure 5.
Preferably, for the length of the second segment 52 between 50mm-400mm, specific length value can be according to packaging bag bag body
Size and determine, suitable length and guarantee it is easy to operate.
Preferably, the folders such as the quantity of the support rod 5 and motion bar 6 is eight, and eight support rods 5 or motion bar 6 are
Angle distribution, it can be good at bag opening support into circle.
It is specific about the locking piece 7:
The groove 11 for installing the locking piece 7 is offered on the pull rod 1;The locking piece 7 includes activity
First 71 and second spring 72, movable head 71 be placed in the groove 11, second spring 72 is set to the lower section of the movable head 71
And bottom surface of the both ends respectively with movable head 71 and groove 11 offsets;And work as second spring 72 in a free state, movable head 71
It is greater than the gap of 3 inner hole of pull rod 1 and the second pullover relative to the protrusion height of pull rod 1, shown in Figure 6, i.e., movable head 71 can
On end face to act against the second pullover 3, to prevent pull rod 1 mobile to 2 side of the first pullover.
Further, the movable head 71 includes the limiting section 711 being linked together and press section 712, limiting section 711
Positioned at the side close to the first spring 4, press section 712 is located remotely from the side of the first spring 4, and the protrusion of limiting section 711 is high
Degree is greater than the height of projection of press section 712, i.e. limiting section 711 can act against on the end face of the second pullover 3, and press section 712 is used
It is pressed in for finger;In the state of Fig. 6, when needing to unlock, press section 712 is pushed with finger, entire movable head 71 is made to sink,
When limiting section 711 is lower than the gap of 3 inner hole of pull rod 1 and the second pullover relative to the height of projection of pull rod 1, in the first spring 4
Under the action of, the second pullover 3 can be mobile backwards to the first pullover 2, and locking piece 7 is blocked in the inner hole of the second pullover 3, such as schemes
Shown in 1.
The use principle of the auxiliary tool of the present embodiment is as follows:
When making packaging bag (such as woven bag), after inner bag 82 is inserted in outer bag 81, by the first pullover of this auxiliary tool 2
Inner bag is inserted into one end, and then a hand holds pull rod 1, and another hand push moves the second pullover 3, makes the second pullover 3 to the first pullover 2
Side is mobile, so that each support rod 5 is gradually spread out, until when the second segment 52 of each support rod 5 is parallel to each other, support rod 5
Second segment 52 can be by bag opening support at round (referring to fig. 2), during this, it is noted that sack needs reserved certain after being held round
Surplus is pricked so as to suture and is closed, meanwhile, note also that the sack of outer bag 81,82 in guaranteeing is substantially flush;Later, rotation is drawn on one side
Bar 1 rotates the bag body being tauted slowly, on one side with hand-held sewing machine (or other suture machines) at sack to internal bag 82,
Outer bag 81, which carries out suture, pricks and closes (pricking before closing can be first by the sack of outer bag 81 to in-flanges), after bag body rotation is turned around, sack
After the completion of entire anchor ring sutures, then unlock locking piece 7, later, under the action of the first spring 4, the second pullover 3 can backwards
First pullover 2 is mobile, so that each support rod 5 be made gradually to withdraw, later again takes out auxiliary tool out of bag body, that is, completes entire
The process of interior outer bag suture.Wherein, L is the reserved surplus in Fig. 5, and dotted line e-e is that suture is pricked at conjunction.
Since under the action of this auxiliary tool, sack can be supportted into circle, and there are certain surpluses, so pricking in conjunction
It is very convenient when outer bag, operator only needs quickly be pricked the anchor ring of sack with hand-held sewing machine and close, and makes inner bag
It is fixed by suture and outer bag;More existing interior outer bag is pricked close process for, easy mode of operation can greatly promote work effect
Rate accelerates the manufacturing speed of packaging bag.
Embodiment 2:
The bundle of interior external bag opening closes when a kind of production method for present embodiments providing packaging bag, especially production packaging bag
Method, the packaging bag include inner bag and outer bag, and such as common woven bag, outer bag are worked out by flat filament, and inner bag is hyaline membrane
It is made.
This method comprises the following steps:
Inner bag is placed within outer bag by the first step, and arranges inner bag, and the sack of the sack and outer bag that make inner bag is substantially neat
It is flat;
Second step, by the auxiliary tool insertion of embodiment 1 inner bag, and the one end being inserted into is locating for the first pullover 2
One end;
Third step pushes the second pullover 3 of auxiliary tool, makes the second pullover 3 to the sidesway close to first pullover 2
It is dynamic, until the second segment 52 of the expansion of each support rod 5 and support rod 5 by the bag opening support of interior outer bag at round (reference can be made to Fig. 2),
Then keep constant the first pullover 2 and the spacing of the second pullover 3 using the locking piece 7;Wherein, it is interior after sack is softened
Outer bag needs to extend the second segment 52 there are the surplus of certain length, so as to binding (reference can be made to Fig. 5);
The pull rod peace 1 of the auxiliary tool is placed on bracket by the 4th step, and guarantees that placing back stay can freely turn around axis
It is dynamic;
5th step, by the sack of outer bag to after in-flanges, with hand-held sewing machine, internal outer bag carries out suture at flange
It pricks and closes;Wherein, in this step, the pull rod for rotating auxiliary tool on one side rotates bag body, and one side suture, which is pricked, to be closed, until sack
Entire anchor ring suture is completed.
Preferably, in the third step, the length of the surplus is between 50mm-150mm, i.e. the value of L is 50mm- in Fig. 5
150mm。
Wherein, bracket employed in step 4, structure can be as shown in fig. 7, comprises stabilizer blade 91, be mounted on stabilizer blade 91
The table top 92 of top and the sleeve 93 of the two interval settings and coaxial line that are mounted on table top 92, wherein 93 center of sleeve
The internal diameter in hole is slightly larger than the outer diameter of pull rod 1.In use, the pull rod 1 of auxiliary tool is passed through two sleeves 93, bag body can be made outstanding
Sky, and bag body is free to rotate when rotating rod 1.The frame body can facilitate the operation for sutureing on one side rotate while and pricking and closing.
The more existing interior outer bag of the method for the present embodiment is pricked close process for, easy mode of operation greatly improves work
Make efficiency, the bundle of interior external bag opening closes speed and obtained greatly when accelerating the manufacturing speed of packaging bag, especially production packaging bag
Width is promoted.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.