CN107140263B - Method for preventing cement bag from leaking ash and cement bag sealing device - Google Patents
Method for preventing cement bag from leaking ash and cement bag sealing device Download PDFInfo
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- CN107140263B CN107140263B CN201710360587.0A CN201710360587A CN107140263B CN 107140263 B CN107140263 B CN 107140263B CN 201710360587 A CN201710360587 A CN 201710360587A CN 107140263 B CN107140263 B CN 107140263B
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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
- B65B51/04—Applying separate sealing or securing members, e.g. clips
- B65B51/07—Sewing or stitching
Abstract
The invention provides a method for preventing cement bag from leaking ash and a cement bag sealing device, wherein the cement bag sealing device comprises a base, and an ash blocking gasket positioning mechanism, a filling opening forming mechanism, a bag pressing mechanism, a curling mechanism and a bag sewing mechanism which are fixed on the base, wherein the ash blocking gasket positioning mechanism comprises a positioning push block, a positioning air cylinder, an air pipe and an air pump, the positioning push block is of an internal hollow structure, one side of the positioning push block is provided with a plurality of air outlet holes, the opposite side of the positioning push block, which is positioned on the air outlet holes, is welded with an air inlet protruding out of the surface of a positioning block, and the air inlet is connected with the air pump through the air pipe; the edge curling mechanism comprises a double-layer edge curling former and a pressing sheet which are positioned at the head and the tail of the bag body. The invention starts from the aspects of cutting the cement bag, accurately positioning the dust blocking liner, curling the double layers, sewing a row line and the like, so that the dust blocking liner has a large enough blocking surface to block the needle hole when filling cement, thereby effectively avoiding the dust leakage phenomenon, reducing pollution and waste and reducing the consumption of sewing lines.
Description
Technical Field
The invention relates to the technical field of cement packaging, in particular to a method for preventing cement bag from leaking ash and a cement bag sealing device.
Background
In the process of manufacturing the cement bag, the cement bag is generally cut firstly, a front connection part and a dust blocking liner of the cement bag are formed, then the dust blocking liner is folded towards the inside of the cement bag, and after one-time edge curling, a double-needle sewing machine is adopted to sew two lines at the position of the edge curling. In the period, the inner folded edge of the dust blocking liner is parallel and level to the cutting edge of the bag body, the width of the dust blocking liner after being folded and curled is not enough to completely cover a pinhole, so that the sealing performance of a cement packaging bag is poor, the dust leakage phenomenon of cement in the packaging and transportation process is serious, the loss of cement is caused, the cement in the packaging bag is easy to absorb moisture when being stacked, the quality guarantee period is shortened, two lines of sewn lines have no actual effect on dust leakage prevention, the consumption of stitches is increased, in addition, due to the fact that kraft paper is additionally added for wrapping the edges when the sewing is carried out, although a certain protection effect is carried out on the sewing edges, the dust leakage phenomenon still exists.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a method for preventing cement bag from leaking ash and a cement bag sealing device.
In order to achieve the purpose, one of the technical schemes adopted by the invention is as follows: the cement bag sealing device capable of preventing ash leakage comprises a base, and an ash blocking gasket positioning mechanism, a filling opening forming mechanism, a bag pressing mechanism, a curling mechanism and a bag sewing mechanism which are sequentially fixed on the base along the conveying direction of a conveying belt, and is characterized in that the ash blocking gasket positioning mechanism comprises a positioning push block, a positioning cylinder, an air pipe and an air pump, the positioning push block is connected with a piston rod of the positioning cylinder, the positioning push block is of an internal hollow structure, a plurality of air outlet holes are formed in one side of the positioning push block, an air inlet protruding out of the surface of the positioning block is welded on the opposite side of the air outlet holes in the positioning push block, and the air inlet is connected with the air pump through the air pipe; the edge curling mechanism comprises double-layer edge curling formers and pressing sheets which are positioned at the head and the tail of the bag body, wherein the number of the double-layer edge curling formers at each side is two, and each edge curling former consists of an edge curling curved surface section and an edge curling flattening section; the sewing needles in the bag sewing mechanism are only arranged in one row.
The second technical scheme adopted by the invention is as follows: the method for preventing the cement bag from leaking ash is realized by the following aspects:
(1) Cutting a cement bag: when the cement bag is cut, 2 positions are reserved on the cutting edge of the cement bag to enable the dust blocking liner to be connected with the bag body into a whole, and the dust blocking liner is disconnected with the bag body at the rest positions to realize that the dust blocking liner moves in the bag body;
(2) Positioning the ash blocking liner: the cut cement bag is sent into a cement bag sealing device, before the dust blocking liner is positioned, a plurality of parallel suckers in an upper sucker group suck the maximum position, corresponding to the inward folding of the dust blocking liner, on the bag body, a positioning push block in a dust blocking liner positioning mechanism is started, and the dust blocking liner is pushed to the maximum position in the bag body while the bag body is opened by blowing air to the interior of the bag body, so that the inward folding edge of the dust blocking liner is not flush with the cutting edge of the cement bag;
(3) Double-layer crimping: after the procedures of positioning a dust blocking gasket, forming a filling opening and flattening in a cement bag sealing device, entering a double-layer edge curling former to realize double-layer edge curling;
(4) Sewing a line: the edge curling mechanism enters the bag sewing mechanism, and only a row line is sewn at the double-layer edge curling position of the bag body.
Compared with the prior art, the invention has the beneficial effects that: 1. the invention starts from the aspects of cutting the cement bag, accurately positioning the dust blocking liner, curling the double layers, sewing a row line and the like, so that the dust blocking liner has a large enough blocking surface to block the needle hole when filling cement, thereby effectively avoiding the dust leakage phenomenon, reducing pollution and waste, reducing the consumption of sewing lines, avoiding the additional kraft paper edge wrapping, simplifying the working procedures and reducing the production cost; 2. the bag opening and dust blocking liner positioning device is more reasonable in structural design, an additional bag opening structure is not needed, bag opening and dust blocking liner positioning are realized through the dust blocking liner positioning mechanism in a centralized mode, in addition, due to the arrangement of the double-layer hemming former, tensile resistance of a hemming stitch foundation is enhanced, meanwhile, the outer-layer cloth is effectively protected for inner-layer hemming, and dust leakage is effectively avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
FIG. 2 is a top view of the positioning mechanism of the ash blocking liner of the present invention
FIG. 3 is a structural sectional view of the positioning push block of the present invention
FIG. 4 is a schematic view of the opening mechanism of the present invention
FIG. 5 is a schematic view of a two-layer hem former of the present invention
The device comprises a base 1, a base 2, a bag blocking mechanism 201, a photoelectric head 202, a bag blocking cylinder 203, a bag blocking pressing plate 3, an opening mechanism 301, an upper sucker fixing frame 302, an upper sucker group 303, an upper sucker cylinder 304, a lower sucker fixing supporting plate 305, a lower sucker group 306, a lower sucker cylinder 307, an air pump vacuum generator 4, a dust blocking liner positioning mechanism 401, a positioning push block 402, a positioning cylinder 403, an air pipe 404, an air pump 5, a filling opening forming mechanism 501, a filling opening forming cylinder 502, a filling opening push block 6, a bag pressing mechanism 601, a bag pressing cylinder 602, a pressing plate 7, a curling mechanism 701, a double-layer curling former 7011, a curling curved surface section 7012, a curling flattening section 702, a pressing plate 8 and a bag sewing mechanism.
Detailed Description
The invention is described in detail and fully below with reference to the following examples and accompanying drawings. It is to be understood that the described embodiments are merely preferred embodiments of the invention and that it is not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art based on the embodiments of the present invention without any inventive step, shall fall within the scope of the present invention.
Example one
As shown in fig. 1-5, the cement bag sealing device of the present invention is an improvement and optimization made on the existing sealing device, which is to solve the problem of ash leakage caused by improper sealing in the prior art, and specifically includes an existing machine base 1, a filling opening forming mechanism 5, a bag pressing mechanism 6, a special ash blocking liner positioning mechanism 4, a curling mechanism 7, and a bag sewing mechanism 8, which are sequentially fixed on the machine base 1 along the conveying direction of a conveyor belt, wherein the ash blocking liner positioning mechanism 4 is fixed in front of the filling opening forming mechanism 5, and the curling mechanism 7 is fixed between the bag pressing mechanism 6 and the bag sewing mechanism 8. In actual production, the opening mechanism 3 and the bag blocking mechanism 2 need to be additionally arranged before the positioning mechanism 4 of the dust blocking liner.
The bag blocking mechanism 2 comprises a photoelectric head 201, a bag blocking cylinder 202 and a bag blocking pressing plate 203, wherein the photoelectric head 201 is used for sensing whether a cement bag passes through, a piston rod of the bag blocking cylinder 202 is downwards connected with the bag blocking pressing plate 203, and the bag blocking pressing plate 203 is positioned above the conveying belt; the opening mechanism 3 comprises an upper sucker fixing frame 301, an upper sucker group 302, an upper sucker cylinder 303, a lower sucker fixing supporting plate 304, a lower sucker group 305, a lower sucker cylinder 306 and an air pump vacuum generator 307, wherein the upper sucker group 302 is fixed above the bag body through the upper sucker fixing frame 301, a piston rod of the upper sucker cylinder 303 is connected with the upper sucker fixing frame 301, the lower sucker group 305 is fixed below the bag body, the lower sucker fixing supporting plate 304 is used for supporting the bag body, a hole is formed in the position, corresponding to the lower sucker group 305, on the lower sucker fixing supporting plate 304, a piston rod of the lower sucker group cylinder 306 is connected with the lower sucker fixing supporting plate 304, and the upper sucker group 302 and the lower sucker group 305 are both connected with the air pump vacuum generator 307 through suction pipes; the filling port forming mechanism 5 comprises a filling port forming cylinder 501 and a filling port pushing block 502, and a piston rod of the filling port forming cylinder 501 is connected with the filling port pushing block 502; the bag pressing mechanism 6 comprises a bag pressing cylinder 601 and a pressing plate 602, a piston rod of the bag pressing cylinder 601 is connected with the pressing plate 602, and the pressing plate 602 is located above the bag body.
The ash blocking gasket positioning mechanism 4 comprises a positioning push block 401, a positioning cylinder 402, an air pipe 403 and an air pump 404, wherein the positioning push block 401 is connected with a piston rod of the positioning cylinder 402, the positioning push block 401 is of an internal hollow structure, a plurality of air outlet holes are formed in one side of the positioning push block 401, air inlets protruding out of the surface of the positioning block are welded on the opposite sides of the air outlet holes on the positioning push block 401, and the air inlets are connected with the air pump 404 through the air pipe 403; the edge curling mechanism 7 comprises two double-layer edge curling formers 701 and pressing sheets 702 which are positioned at the head and the tail of the bag body, wherein the two double-layer edge curling formers 701 at each side are two, each edge curling former 701 consists of an edge curling curved section 7011 and an edge curling flattening section 7012, and the pressing sheets 702 are used for pressing the position, close to the edge curling, on the bag body. The sewing needles in the bag sewing mechanism 8 are only arranged in one row, and a row of threads is only sewn on one side of the cement bag.
The method for preventing the cement bag from leaking the ash is realized by the following aspects:
(1) Cutting a cement bag: when the cement bag is cut, 2 positions are reserved on the cutting edge of the cement bag to enable the dust blocking liner to be connected with the bag body into a whole, and the dust blocking liner is disconnected with the bag body at the rest positions to realize that the dust blocking liner moves in the bag body;
(2) Positioning the ash blocking liner: the cut cement bag is sent into a cement bag sealing device, before the dust blocking liner is positioned, a plurality of parallel suckers in an upper sucker group suck the maximum position of the bag body corresponding to the inward folding of the dust blocking liner, then a positioning push block in a dust blocking liner positioning mechanism is started, and the dust blocking liner is pushed to the maximum position in the bag body while the bag body is opened by blowing air to the interior of the bag body, so that the inward folding edge of the dust blocking liner is not flush with the cutting edge of the cement bag;
(3) Double-layer edge curling: after the procedures of positioning a dust blocking gasket, forming a filling opening and flattening in a cement bag sealing device, entering a double-layer edge curling former to realize double-layer edge curling;
(4) Sewing a line: the edge curling mechanism enters the bag sewing mechanism, and only a row line is sewn at the position of the double-layer edge curling of the bag body.
Claims (1)
1. The cement bag sealing device capable of preventing ash leakage comprises a base, and an ash blocking liner positioning mechanism, a filling opening forming mechanism, a bag pressing mechanism, a curling mechanism and a bag sewing mechanism which are sequentially fixed on the base along the conveying direction of a conveying belt, and is characterized in that the ash blocking liner positioning mechanism comprises a positioning push block, a positioning air cylinder, an air pipe and an air pump, the positioning push block is connected with a piston rod of the positioning air cylinder,
the positioning pushing block is of an internal hollow structure, a plurality of air outlet holes are formed in one side of the positioning pushing block, air inlets protruding out of the surface of the positioning block are welded on the opposite sides of the air outlet holes in the positioning pushing block, and the air inlets are connected with an air pump through air pipes; the edge curling mechanism comprises double-layer edge curling formers and pressing sheets which are positioned at the head and the tail of the bag body, wherein the number of the double-layer edge curling formers at each side is two, and each edge curling former consists of an edge curling curved surface section and an edge curling flattening section; the bag sewing mechanism is provided with only one row of sewing needles; the method for preventing the cement bag from leaking the ash by the aid of the ash leakage prevention cement bag sealing device is realized by the following specific aspects:
(1) Cutting a cement bag: when the cement bag is cut, 2 positions are reserved on the cutting edge of the cement bag to enable the dust blocking liner to be connected with the bag body into a whole, and the dust blocking liner is disconnected with the bag body at the rest positions to realize that the dust blocking liner moves in the bag body;
(2) Positioning the ash blocking liner: the cut cement bag is sent into a cement bag sealing device, before the dust blocking liner is positioned, a plurality of parallel suckers in an upper sucker group suck the maximum position, corresponding to the inward folding of the dust blocking liner, on the bag body, a positioning push block in a dust blocking liner positioning mechanism is started, and the dust blocking liner is pushed to the maximum position in the bag body while the bag body is opened by blowing air to the interior of the bag body, so that the inward folding edge of the dust blocking liner is not flush with the cutting edge of the cement bag;
(3) Double-layer crimping: after the procedures of positioning of a dust blocking gasket, forming of a filling opening and flattening in a cement bag sealing device, entering a double-layer curling former to realize double-layer curling;
(4) Sewing a line: the edge curling mechanism enters the bag sewing mechanism, and only a row line is sewn at the double-layer edge curling position of the bag body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710360587.0A CN107140263B (en) | 2017-05-21 | 2017-05-21 | Method for preventing cement bag from leaking ash and cement bag sealing device |
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| CN201710360587.0A CN107140263B (en) | 2017-05-21 | 2017-05-21 | Method for preventing cement bag from leaking ash and cement bag sealing device |
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| CN107140263A CN107140263A (en) | 2017-09-08 |
| CN107140263B true CN107140263B (en) | 2022-11-22 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108482761B (en) * | 2018-03-21 | 2020-06-12 | 王成财 | Sectional conveying method for packaging bags |
| CN111912666B (en) * | 2020-09-03 | 2023-04-28 | 浙江中誉工程管理有限公司 | Engineering supervision sampling system |
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| US4795413A (en) * | 1987-04-29 | 1989-01-03 | K & R Equipment Incorporated | Method and apparatus for automatically opening bags |
| DK1073585T3 (en) * | 1998-04-21 | 2003-03-24 | Glopak Inc | High speed linear bag filling machine and operating method |
| JP2006056535A (en) * | 2004-08-18 | 2006-03-02 | Sankyo Yuka Kogyo Kk | Craft paper container for low-viscosity asphalt |
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