JPH0596665A - Device for fitting handle to bag or the like and bag making machine provided with the device - Google Patents

Abstract

PURPOSE:To fit efficiently a stringlike handle comprised of a flexible molded product made of synthetic resin having male and female hooks on both ends on a mouth edge of a bag by bending the handle into a U-shaped state. CONSTITUTION:To fit up with a support member 22 receiving the control part of a handle H horizontally, a handle bending member 30 which passes through both side parts of the support member 22 from the rear of the support member 22, advances up to the front while pushing the handle H supported by the support member 22 and bends the handle H into a U-shaped state and pinch- pressing jaws which fits the handle H to a bag by pinch-pressing a male and female hooks of the handle H. With this construction, the handle H is supported by the support member 22 and a pinching and holding part of both ends of the handle H is positioned in a vertical direction. The handle H is bent in a U-shaped state by the bending member 30, each male hook at the pinching and holding parts on the opposite ends thereof is inserted through a hole of a mouth edge of the bag and fitted into the female hook. Then a bent part of the handle H is removed from the support member 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flexible cord-like handle (hereinafter simply referred to as a handle) made of a synthetic resin molded product as a bag, or a bag material band (hereinafter simply referred to as a bag) during bag making. It is related to the device to be attached).

[0002]

2. Description of the Related Art A conventional handle H of this type has the following structure. That is, it is a cord as a whole, and the gripping portion at the center is a flat central flat portion 10, and both ends thereof are bifurcated clamping portions 11.
Each one piece 12 of one has a male hook 13 and the other piece 14
A female hook hole 15 is provided in the center of the central flat portion 10 (see FIG. 7). As a bag for attaching this kind of handle H, a square bottom bag usually made of a synthetic resin film,
A square bottom bag made of paper is used, and in the case of a bag made of a thick film and a paper bag, a handle mounting hole is pre-drilled at the place where the handle H should be mounted. In the case of a thin film bag, When attaching the handle H to the bag, the handle H is attached by piercing the film with the male hook to make a hole in the rim of the bag. The handle H is attached to the bag or the like by hand one by one, and almost no human is required, and no mechanical attachment device is found by the applicant before the application. ..

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a device on the market where the above-mentioned handle can be accurately attached to a bag or the like with little manpower.

[0004]

In order to achieve the above-mentioned object, the present invention has a flexible handle having a bifurcated male and female hooking holding portion at both ends and a flat central portion made of a synthetic resin molded article. A supporting member provided with a supporting portion for horizontally supporting the central flat portion so that the sandwiching direction of the sandwiching portion is up and down is equipped to be movable up and down with respect to the machine frame, and its movable range is It has a size slightly larger than the width of the central flat portion, and when the support member is in the upper position, it passes outside the left and right ends of the support portion of the support member, advances to the front, and then returns to the original position in the horizontal direction. The machine frame is equipped with a handle bending member that reciprocates, and the machine frame is equipped with a pair of clamping jaws at the upper and lower positions of the pair of gripping portions of the handle that are bent as the handle bending member advances. There Luo clamping 圧顎 when said handle folding member is in the advanced position, once closed from the open position,
The support member is to be opened rearward, and is raised by the driving means when the handle is received, and is lowered after the pinching operation of the pinching jaw is completed. Further, a positioning support member for setting a bag or the like at a predetermined position is provided near the pressing jaw. A device that attaches a handle, which is a combination of the above components, to a bag or the like.

In order to achieve the above object, a conveyor for supplying the handle to the supporting portion is provided in the machine frame of the device for attaching the handle to the bag according to the present invention, and the conveyor holds the handle. A pair of right and left receiving members each having a receiving groove for supporting near the section are provided, and these receiving members are provided at a predetermined pitch in the conveying direction, and the conveyor operates intermittently at the receiving member pitch, and the conveyor unloading section In some cases, the support member is raised between the left and right receiving members at the receiving member stop position every time the conveyor is stopped, and the supporting member is elevated from the lower standby position onto the conveyor conveying surface.

In order to achieve the above object, the positioning support member of the device for attaching the handle of the present invention to a bag or the like may be a support base for supporting the edge portion of the completed bag.

In order to achieve the above-mentioned object, the positioning support member of the device for attaching the handle of the present invention to a bag or the like is a guide member for supporting the portion of the bag material strip which is the rim of the bag in the middle of bag making. The bag material strip is conveyed by an intermittent conveying device, and two stations in the middle of bag making of the bag material strip are each provided with a device for attaching the handbag handle to a bag or the like. In some cases, the bag-making machine is equipped with a device for attaching the hand-holding handle to the bag or the like, which is provided.

[0008]

In the invention according to claim 1 configured as described above, the support member has the lower position and the handle bending member has the retracted position as the start position.

First, a bag or the like is supplied to a predetermined position on the positioning support member. Next, the central flat portion of the handle in which the left and right sandwiching portions are opened is supplied to a position directly above the receiving portion. When the device is operated, the supporting member is lifted from the lower position, and the central flat portion of the handle is supported by the supporting portion of the supporting member in a state of standing in the width direction. At this time, the gripping portion of the gripping portion of the handle is supported in the vertical direction. Next, the handle bending member advances from the retracted position and pushes the left and right end portions of the handle protruding beyond the left and right ends of the support member forward.
Curve the entire handle in a U shape. At this time, the positions of the male hooks of the holding portion match the positions inside or outside of the handle mounting holes formed in the bag or the like, and the female hook holes are positioned on the opposite side of the bag or the like. When the bag is made of a thin film and has no hole for attaching the handle, the holding portion is simply located so as to hold one of the edges of the bag.

While the folding member is in the forward position, the clamping jaws approach each other and clamp them from the outside of the left and right clamping parts, and each male hook is provided on the bag or the like. Penetrate through the handle mounting holes and fit into the female hook holes on the opposite side. When the pressing jaw is pressed or separated from each other, the bending member and the supporting member return to their original positions. After that, the bag or the like is removed from the positioning support member, and the next bag or the like is supplied to this positioning support member, and the operation is completed.

According to a second aspect of the present invention, the receiving member of the conveyor for supplying the handle to the supporting member sequentially supports the vicinity of the left and right holding portions of the handle,
The conveyor is intermittently operated so that the handle is sequentially supplied to the support member. When the handle is conveyed to the carry-out position by the conveyor, the support member standing by in the lower position rises, and the support portion supports the central flat portion of the handle. At the time of this support, the central flat portion is in an upright state. The following action is claim 1
It is the same as the described invention.

According to the third aspect of the present invention, the completed bag mouth edge portion is supported by the support base which is the positioning support member, and the handle is sequentially attached to the mouth edge of the bag. Attach the handle to the opposite side of the bag edge in the same way.

According to the fourth aspect of the present invention, the bag material strip is guided to the guide member serving as the positioning support member, and the bag material strip is dimensioned in a horizontal direction at a right angle to the direction in which both holding portions of the handle are projected. It is intermittently conveyed at a pitch, and the handle is attached to the portion of the bag material band that becomes the rim of the bag at each stop. In this case, since the handle has one set of the device according to claim 1 attached to each of the two stations of the bag material strip, the two handle attachment devices sequentially provide two bags above and below the bag of the bag material strip during bag making. Handles are sequentially attached to the edges of the. The handle to be supplied to the apparatus of the present invention is not limited to the above-described individual independent handle, but may be a plurality of handles in which central flat portions are sequentially connected in parallel during molding.

[0014]

EXAMPLE Now, a typical example of the present invention will be described. It is an embodiment including the inventions of claims 1 and 2. The machine frame 20 is provided with a support member 22 having a support portion 21 for horizontally supporting the central flat portion 10 of the handle H so as to be vertically movable. The movable range of this vertical movement is the width of the central flat portion 10. The size is slightly larger than the size, and is connected to the machine frame 20 with the first cylinder 23 which is the vertical movement driving means.

The support portion 21 has a narrow groove 21a that receives the flat surface of the central flat portion 11 of the handle H in a vertical direction.
Is formed by (see FIG. 3). The support portion 21 composed of the groove 21a is formed in the support member 22 by the groove 21a.
Alternatively, the upright wall member 24, which constitutes one upright wall of the groove 21a, is vertically movable with respect to the support member 22, and the upright wall is provided by the second air cylinder device 28 provided on the support member. In some cases, the top surface 25 of the member 24 can be reciprocated up and down until it is flush with the bottom surface 26 of the groove 21a and the same height as the upper surface 23 of another standing wall surface (see FIGS. 2 and 8). The length of the support member 22 is slightly shorter than the length of the central flat portion 11 of the handle H, and both ends thereof are bent forward horizontally to form a planar U shape, and both outer wall surfaces thereof are bent by the handle. The inner guide surface (hereinafter referred to as the inner guide surface) 27 is provided.

Reference numeral 30 is a handle bending member, which has a planar U-shape, and the height position thereof is the same as the height of the supporting portion 21 when the supporting member 22 is in the upper position (see FIG. 2). The machine frame 20 is provided, and a pair of parallel folding guide portions 32 of the handle folding member 30.
Has an inner wall surface as a handle bending outer guide surface (hereinafter referred to as an outer guide surface) 33, and the handle bending member 30 has a pair of folding guide portions 32 whose tip ends have grooves 21.
The pair of folding guide portions 32 are located outside the inner guide surface 27 of the support member 22 and are located between the left and right inner and outer guide surfaces 27 and 33 corresponding to the thickness of the handle H. The handle folding member 30 is provided so as to form a gap, and is reciprocally provided by the third air cylinder device 34 provided in the machine frame 20 (see FIG. 1).

A pair of pinching jaws 40a and 40b are provided on the machine frame 20 at the upper and lower positions of the pair of pinching portions 11 of the handle H bent as the handle bending member 30 advances. Jaw 40a, 40b
When the handle bending member 30 is at the forward position, the handle bending member 30 is temporarily closed from the opened position and then opened again. This vertical drive means is provided in the machine frame 20.
It is composed of air cylinder devices 41a and 41b. In addition, a positioning support member 45 such as a bag is provided near the clamping jaws 40a and 40b.

As the positioning support member 45, the machine frame 20 is equipped with guide rolls or guide rods for supporting the bag material band F in the process of manufacturing the bag, and the bag material band F is conveyed in the handle support member 22. And the handle bending member 30 are bent at right angles to both end directions of the handle H and in the horizontal direction, and the height thereof is just between the holding portions 11 which are open above and below the bent handle H. There is. Further, one edge of the bag of the bag material belt F passes between the sandwiching portions 11, and the other edge of the bag is flipped,
The positioning support member 45 is provided so as to guide the guide member 42 so as not to be clamped by the pressing jaw 40.

Positioning support member 4 for supporting the completed bag B
5, the pair of support rods 46a, 4 is located on the outside of the pinching jaw and is provided on the machine frame 20 as illustrated in FIG.
6b is provided so as to project in the depth direction of the bag, and the pair of support rods 46a and 46b are mounted on the machine frame 20 so that they can approach and separate from each other. Stoppers 47a and 47b for restricting the edge position are formed so as to project.

Further, below the handle folding member 30, there is provided a chain conveyor 50 which is a kind of conveyor for sequentially supplying the handle H to the support member 22.
The chain conveyor 50 is provided with conveyance receiving members 52 each having a receiving groove 51 for supporting the roots of the left and right holding portions 11 of the handle H, provided at predetermined pitches on the chain elements of the pair of left and right endless chains 53. The left and right roots of the holding portion 11 of the book handle H can be horizontally supported so as to bridge the left and right receiving grooves 51. Further, the chain conveyor 50 is intermittently operated at the pitch of the carrying receiving member 52, and the space between the left and right carrying receiving members at the stop position of the pair of carrying receiving members 52 at the carry-out end is exactly the narrow groove 21a of the supporting member 22. The position of the support member 22 is vertically overlapped with each other (see FIGS. 1 and 2), and the support member 22 reciprocates from a lower position between the pair of left and right conveyance receiving members 52 to a position higher than the conveyance surface of the chain conveyor. It is provided to move. Therefore, the handle bending member 30 and the third cylinder device 34 as the driving means thereof are also supported by the machine frame 20 above the conveying surface of the chain conveyor 50. Two handle attachment devices A up to the above are provided at two stations of the bag material band F (see FIG. 5).

Operation of the Embodiment First, as the bag material band F, one side usually has an open edge F1 and the other side edge has a gusset folding edge F2. The open edge F1 is further bent inward. It is a thing. In addition, there is a case where a rim-reinforced paper board is inserted into this bent portion for each bag unit. Further, the upper and lower folded portions of the open edge F1 are provided with the handle mounting holes 61 preliminarily formed at two locations for each bag (see FIG. 4). Then, the bag material band F is guided to the transport roll 60 through the positioning support member 45 of each station. On the other hand, a pair of left and right receiving grooves 51 of the chain conveyor 50 horizontally hangs a handle H to sequentially support the support member 22 in a lower position, the standing wall member 24 in a lower position, the handle bending member 30 in a rear position, and a pressing jaw. In the opened state, 40 is used as a starting position to operate all the devices.

Chain conveyor 50 and transport roll 60
When the sheets are intermittently conveyed at the same time, the support member 22 rises from the lower position by the first air cylinder device 23 at every stop of these, and the handle H supported by the receiving groove 51 of the pair of conveyance receiving members 52 is moved from below. Scoop up and handle H
The central flat portion 10 of the bottom wall 26 of the groove 21a and the standing wall member 2
4 is placed on the top surface (see the solid line in FIG. 8). Then the second
By the air cylinder device 28, the upright wall member 24 rises, and accordingly, the central flat portion 10 is upright and is supported by the groove 21a of the support member 22 in a state where the flat surface is vertical (see the chain line in FIG. 8). ). Then, the handle bending member 34 is moved forward by the third air cylinder device 34, and the handle H is bent forward at the tip of the handle bending member 34, so that the root portion of the holding portion 11 is moved to the inner guide surface 27 of the support member 22 and the handle guide member 30. The handle H is bent in a U-shape by the outer guide surface 33, and the sandwiching portions 11 open at the upper and lower ends of both ends project to a position where one mouth edge of the bag material band F is sandwiched.

Next, the fourth air cylinders 41a and 41b are actuated to bring the two sets of clamping jaws 40 closer to each other, sandwiching the gripping portion 11 of the handle from above and below, and the male hook 13 being the bag material band F. Through the handle mounting hole 61 provided in
The female hooks 15 are fitted with each other. These two sets of clamping jaws 4
During the clamping operation of 0a, 40b, the first, second and third
The air cylinder devices 23, 28, and 32 start the returning operation, and the supporting member 22, the standing wall member 24, and the handle bending member 30 return to the start position and are bent into the U-shape attached to the bag material band F. From the handle H,
The support member 22 descends and comes off.

Next, the two sets of clamping jaws 40 are reopened by the fourth air cylinder devices 41a and 41b, and the next chain conveyor 50 and the conveyance roll 60 start to be conveyed. The portion of the bag material band F to which the handle H is attached is conveyed to the station on the downstream side, is supplied to the second handle attaching device A, and the handle H is attached to the lip on the opposite side in the same manner (FIG. 5). reference). In the two handle attachment devices A, the handle H
The handles H are supplied to the respective chain conveyors 50 so that the male hooks 13 are located outside the bag material band.

In the above-mentioned embodiments, the device for attaching the handle H to the bag material band F being manufactured has been described as an example, but when attaching to the completed bag B, one handle attaching device A is sufficient. The bag B is manually fitted and set on the pair of positioning support rods 46a and 46b shown in FIG. 6, the handle attaching device A is operated for one cycle, and then the bag is once positioned. The bag is removed from 46b, the bag is turned over by 180 °, the bag is fitted again to the positioning support rods 46a and 46b, and the handle attaching device A is operated for one cycle. Such a semi-automatic device is included in the embodiment of claim 1.

In the semi-automatic embodiment, the one without the chain conveyor 50 is also included in the embodiment of the present invention. In this case, the handle H is directly supported by the groove 21a of the support member 22. Other operations are the same as those in the above-described embodiment except that the chain conveyor 50 is not operated. When supplying a plurality of handles H that are connected and molded at the time of molding to the conveyor 50 of the apparatus of the present invention, if the first handle H is supplied to the conveyor 50, the subsequent handles H will be processed. It is sequentially pulled and automatically supplied to the conveyor 50.

[0027]

According to the invention of claim 1 of the present application which is constructed and operates as described above, only by supporting the handle in the supporting groove of the supporting member, the holding portions at both ends of the handle are vertically moved. If a bag or the like is supplied to a predetermined position by a positioning support member and this device is operated,
The handle is bent into a U-shape or a U-shape accurately by a handle bending member, and the positions of the male hooks of the holding portions at both ends thereof are set to predetermined positions, and the handle mounting holes provided in the bag or the like. Through, and engages with the female hook, and the bent portion of the handle has the effect of being removed from the support member, and the handle can be attached efficiently with almost no manual work.

In the invention described in claim 2, claim 1
In addition to the advantages of the described invention, it is sufficient to supply the conveyor with sequential handles, which, in the case of individual handles, are manually related to the operating cycle of the device according to claim 1. It can be supplied without a handle, and the handle can be easily supplied.

According to the third aspect of the invention, it is suitable to attach the handle to the rim of the completed bag which is a kind of the bag, and the other effects are the same as those of the first invention.

According to the fourth aspect of the present invention, the handle is incorporated in a part of the bag making machine and the handle can be efficiently attached to the bag material band during bag making. Further, since the handle attaching devices are provided at the two stations of the two bag material strips, the handles can be efficiently attached to the upper and lower rims of the two bag material strips sequentially during bag making.

Effects Specific to Embodiments In the illustrated embodiment, the effects of the inventions according to claims 1, 2 and 4 are combined. In particular, the groove 21 which is the support portion 21
Since one standing wall of a serves as the standing wall member 24 that is a separate member from the support member 22 and is equipped so as to move up and down by the second air cylinder device as described above, it is scooped by this support portion 21. Even if the central flat portion 10 of the handle H that has been raised is horizontal in the direction of the flat surface, the central flat portion 10 of the handle H surely stands up due to the rising action of the standing wall member 24, and The sandwiching direction of the sandwiching portion 11 is the up-down direction, the handle H is bent in a U shape, and the sandwiching direction of each sandwiching portion is inserted between the pair of upper and lower sandwiching jaws in the up-down direction. The effect of securely closing the holding portion and securely engaging the male and female hooks is provided.

Positioning support rods 46a, 46 illustrated in FIG.
In the case with b, the handle H can be easily and surely attached to the rim of the completed bag.

[Brief description of drawings]

FIG. 1 is a plan view of a typical embodiment of the present invention.

FIG. 2 is a vertical sectional view of FIG.

FIG. 3 is a cross-sectional view showing an example of a support member.

FIG. 4 is a side view of a clamp jaw portion.

FIG. 5 is a plan view of an embodiment in which two apparatus of the present invention are provided for one bag making machine.

FIG. 6 is a schematic perspective view of a positioning support rod portion for positioning the bag.

FIG. 7 is a perspective view of a handle supplied to the device of the present invention.

FIG. 8 is a vertical sectional side view showing another embodiment of the support member.

[Explanation of symbols]

 A Handle attachment device F Bag material band H Handle 10 Central flat part 11 Clamping part 13 Male hook 15 Female hook 20 Machine frame 21 Support groove 22 Support member 30 Handle bending member 40a, 40b Clamping jaw 45 Positioning support member 50 Conveyor

Claims (4)

[Claims] 1. A flexible hand-held handle made of a synthetic resin molded product having a flat center portion with bifurcated male and female hooks at both ends thereof, so that the sandwiching direction of the sandwiching portion is vertical. The central flat portion, a supporting member having a support portion for horizontally supporting the machine frame is provided so as to be movable up and down, and its movable range has a dimension larger than the width of the central flat portion, When the support member is at the upper position, the machine frame is equipped with a handle bending member that horizontally reciprocates after passing through the outside of both left and right ends of the support portion of the support member and proceeding to the front, and then returning to the original position. Yes, a pair of clamping jaws are provided on the machine frame at the upper and lower positions of the pair of clamping portions of the handle folded by the progress of the handle bending member. position At a certain time, it temporarily closes from the open position and then opens again. The supporting member is moved up by the driving means when the handwheel handle is received, and is lowered after the clamping operation of the clamping jaw is completed. Further, a positioning support member for setting a bag or the like at a predetermined position is provided near the pressing jaw. A device for attaching a carrying handle to a bag, which is a combination of the above components. 2. A conveyor for supplying the handbag handle to the support portion is provided in the machine frame, and the conveyor has left and right receiving members each having a receiving groove for supporting near the holding portion of the handwheel handle. A pair is provided, and these receiving members are provided at a predetermined pitch in the transport direction,
The conveyor operates intermittently with the receiving member pitch,
Between the left and right receiving members of the receiving member stop position of the conveyor unloading section, each time the conveyor is stopped, the supporting member rises from the lower standby position to the conveyor transport surface,
2. The device for attaching a handle for carrying a bag to a bag or the like according to claim 1, wherein the clamping jaw returns after closing. 3. A device for attaching a handbag to a bag or the like according to claim 1, wherein the positioning support member is a support base for supporting a rim portion of the completed bag. 4. The positioning support member is a guide member for supporting a portion of the bag material strip that serves as a mouth edge of the bag during bag making, and the bag material strip is conveyed by an intermittent conveying device. An apparatus for attaching the handbag handle to a bag or the like is provided at each of two stations in the middle of the bag making process for the bag material belt. Bag making machine equipped with.