CN214294727U - Automatic hem mechanism of square-bottom bag - Google Patents
Automatic hem mechanism of square-bottom bag Download PDFInfo
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- CN214294727U CN214294727U CN202120140958.6U CN202120140958U CN214294727U CN 214294727 U CN214294727 U CN 214294727U CN 202120140958 U CN202120140958 U CN 202120140958U CN 214294727 U CN214294727 U CN 214294727U
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Abstract
The utility model belongs to the field of square-bottom bag production and processing equipment, in particular to an automatic folding mechanism for a square-bottom bag, which comprises a bottom plate, two ejector rods which are symmetrically distributed are fixedly connected at the top of the bottom plate, two supporting plates which are symmetrically distributed are hinged at the outer sides of the ejector rods, an extension plate is slidably mounted in the supporting plates, a first screw rod is rotatably connected in the supporting plates and is positioned behind the extension plate, two supporting plates which are symmetrically distributed are hinged at the outer sides of the two ejector rods at the top of the middle bottom plate, top plates are fixed on the vertical rods of the output ends of two cylinders at the top of a base, a bag body of the square-bottom bag is sleeved at the outer sides of the four supporting plates during operation, then two cylinders are simultaneously started, the two top plates extrude the bag body from the two sides of the bag body to complete folding work of the square-bottom bag, the square-bottom bag is convenient to place and fold the square-bottom bag, and the folding work of two sides can be simultaneously carried out, the working efficiency is improved.
Description
Technical Field
The utility model relates to a square bottom bag production and processing equipment field specifically is an automatic hem mechanism of square bottom bag.
Background
The square bottom bag generally uses synthetic resin as the main material, and its bottom is square and famous, expandes just like a carton, and length width height can the diverse, and the product size of packing as required is different and "custom-made", and square bottom bag generally has 5 faces, and front and back, two sides to and bottom surface, square bottom bag had both taken into account the packing meaning of passing the plastic bag, has also fully expanded novel packing thinking, has obtained extensive use in daily life.
During production and processing of the square-bottom bag, the bag body needs to be subjected to edge folding work, the edge folding machine is generally adopted to carry out edge folding work of the square-bottom bag at present, the bag body is sleeved on the placing plate during work, then the edge folding mechanism carries out edge folding work on the bag body from the top, single-side edge folding work can be carried out on the bag body only, the work efficiency is reduced, edge folding work is carried out on the bag bodies of different sizes inconveniently, and the applicability is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic hem mechanism of square-bottom bag to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an automatic edge folding mechanism for a square-bottom bag comprises a bottom plate, wherein two ejector rods which are symmetrically distributed are fixedly connected to the top of the bottom plate, two supporting plates which are symmetrically distributed are hinged to the outer sides of the ejector rods, an extension plate is slidably mounted inside the supporting plates, a first screw rod is rotatably connected inside the supporting plates and located behind the extension plate, a moving block is fixedly connected to the bottom of one side, close to the first screw rod, of the extension plate, and the moving block is in threaded connection with the outer sides of the first screw rod; two cylinders that are the symmetric distribution of bottom plate top fixedly connected with, cylinder and outside air supply sealing connection, two the ejector pin is located two between the cylinder, cylinder output end fixedly connected with pole setting, pole setting inside wall fixedly connected with roof, the inside rotation of roof is connected with the second screw rod, the inside slidable mounting of roof has the inner panel, the inner panel is located second screw rod the place ahead, the inner panel is close to the bottom fixedly connected with connecting block of second screw rod one side, connecting block threaded connection is in the second screw rod outside.
As a further aspect of the present invention: the supporting plate is internally provided with a groove, and the extension plate and the first screw rod are both positioned in the groove.
As a further aspect of the present invention: the height of the first screw is smaller than that of the groove, and the top end of the first screw is located inside the groove.
As a further aspect of the present invention: the roof is inside to be seted up the mounting groove, the second screw rod with the inner panel all is located inside the mounting groove.
As a further aspect of the present invention: the top end of the second screw is positioned above the top of the top plate.
As a further aspect of the present invention: the end of the top plate far away from the vertical rod and the end of the inner plate far away from the second screw rod are both arc-shaped.
As a further aspect of the present invention: the end of the supporting plate far away from the ejector rod and the end of the extension plate far away from the first screw rod are both arc-shaped.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses two ejector pin outsides at the top of the middle bottom plate are all articulated with two supporting plates which are symmetrically distributed, the vertical rod of the two cylinder output ends at the top of the base is fixed with a top plate, the bag body of the square-bottom bag is sleeved outside the four supporting plates during operation, then two cylinders are started simultaneously, the two top plates extrude the bag body from the two sides of the bag body to complete the edge folding work of the square-bottom bag, the square-bottom bag can be placed and the edge folding work can be conveniently carried out, the edge folding work of two sides can be simultaneously carried out, the working efficiency is improved, the movable block on the extension plate inside the supporting plate is in threaded connection with the outside of the first screw rod inside the supporting plate, the connecting block on the inner plate inside the top plate is in threaded connection with the outside of the second screw rod inside the top plate, a worker can move the extension plate upwards by twisting the first screw rod, the second screw rod is twisted to move the inner plate upwards, the operation is simple, the length of extending out of the supporting plate and the length of the inner plate extending out of the top plate are adjusted, the square bottom bags with different sizes are placed and folded, the applicability is improved, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of an automatic edge folding mechanism for a square-bottom bag;
FIG. 2 is a schematic top view of an automatic edge folding mechanism for a square-bottom bag;
FIG. 3 is a schematic structural view of a supporting plate in an automatic edge folding mechanism for a square bottom bag;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. a base plate; 11. a top rod; 12. a cylinder; 121. erecting a rod; 2. a support plate; 21. an extension plate; 211. a moving block; 22. a first screw; 23. a groove; 3. a top plate; 31. a second screw; 32. an inner plate; 321. connecting blocks; 33. and (4) mounting the groove.
Detailed Description
Referring to fig. 1-4, in the embodiment of the present invention, an automatic edge folding mechanism for a square-bottom bag comprises a bottom plate 1, two symmetrically distributed top rods 11 are fixedly connected to the top of the bottom plate 1, two symmetrically distributed support plates 2 are hinged to the outer sides of the top rods 11, an extension plate 21 is slidably installed inside the support plates 2, a first screw 22 is rotatably connected to the inside of the support plates 2, the first screw 22 is located behind the extension plate 21, a moving block 211 is fixedly connected to the bottom of the extension plate 21 near one side of the first screw 22, the moving block 211 is in threaded connection with the outer side of the first screw 22, two symmetrically distributed air cylinders 12 are fixedly connected to the top of the bottom plate 1, the air cylinders 12 are hermetically connected to an external air source, the two top rods 11 are located between the two air cylinders 12, an upright rod 121 is fixedly connected to the output end of the air cylinder 12, a top plate 3 is fixedly connected to the inner side wall of the upright rod 121, a second screw 31 is rotatably connected to the inside of the top plate 3, an inner plate 32 is slidably mounted inside the top plate 3, the inner plate 32 is located in front of the second screw 31, a connecting block 321 is fixedly connected to the bottom of the inner plate 32 close to one side of the second screw 31, and the connecting block 321 is in threaded connection with the outer side of the second screw 31.
In fig. 1 and 2: the outer sides of two ejector rods 11 at the top of the bottom plate 1 are hinged with two supporting plates 2 which are symmetrically distributed, a bag body of a square bottom bag is sleeved at the outer sides of the four supporting plates 2 in working, the four supporting plates 2 support the bag body from the inner side of the bag body, the stability of the square bottom bag in flanging working is improved, the processing effect is improved, after the four supporting plates 2 support the bag body, two air cylinders 12 at the top of the bottom plate 1 are simultaneously started, the two upright rods 121 of an output end can be simultaneously pushed inwards after the two air cylinders 12 are started, top plates 3 fixed on the upright rods 121 can move along with the upright rods, the top plates 3 can approach to the two sides of the bag body, the two top plates 3 can push the bag body inwards from the two sides of the bag body and then are matched with the two corresponding supporting plates 2 to finish the flanging working of the square bottom bag, the operation is simple, the square bottom bag can be conveniently placed and flanged, and can be simultaneously carried out on the two sides of the square bottom bag in working, the work efficiency is improved, and during operation, the angle that layer board 2 can also be adjusted to the layer board 2 of rotating, satisfies the demand of placing of not unidimensional square-bottom bag, has improved the suitability.
In fig. 1, 2, 3 and 4: an extension plate 21 is slidably mounted inside the supporting plate 2, a moving block 211 on the extension plate 21 is in threaded connection with the outer side of a first screw 22 inside the supporting plate 2, during operation, a worker simultaneously screws two first screws 22 to enable two first screws 22 to simultaneously rotate, under the cooperation between the moving block 211 and the first screws 22, the moving block 211 can upwards move on the outer side of the first screws 22 to further drive a corresponding extension plate 21 to upwards move, the top end of the extension plate 21 can move to the outer side of the supporting plate 2 to increase the overall height between the extension plate 21 and the supporting plate 2, the operation is simple, the position adjustment and fixing work of the extension plate 21 is convenient, an inner plate 32 is slidably mounted inside the top plate 3, a connecting block 321 on the inner plate 32 is in threaded connection with the outer side of a second screw 31 inside the top plate 3, during operation, the worker simultaneously screws two second screws 31 to enable two second screws 31 to simultaneously rotate, under the cooperation between the connecting block 321 and the second screw 31, the connecting block 321 can move upwards outside the second screw 31, and further drives the corresponding inner plate 32 to move upwards to adjust the overall height between the inner plate 32 and the top plate 3, the operation is simple, the position adjustment and fixing work of the inner plate 32 are convenient to be carried out, the overall length between the extending plate 21 and the supporting plate 2 is changed by adjusting the length of the extending plate 21 extending out of the supporting plate 2, the placing requirements of square-bottom bags with different sizes can be met, then the length of the inner plate 32 extending out of the top plate 3 is adjusted according to the overall height between the extending plate 21 and the supporting plate 2, the edge folding work is carried out on the square-bottom bags with different sizes, the application range of the device is increased, the applicability is improved, the working efficiency is improved, one end of the top plate 3, which is far away from the upright rod 121, and one end of the inner plate 32, which is far away from the second screw 31, are both arc-shaped, the one end that ejector pin 11 was kept away from to layer board 2 and the one end that first screw rod 22 was kept away from to extension board 21 are the arc, can effectually prevent that the damaged condition from appearing in the square-bottom bag when carrying out the hem during operation, and the effect of protection can be played to the square-bottom bag, can reduce extravagantly.
In fig. 1 and 3: the inside recess 23 of having seted up of layer board 2, extension board 21 all is located inside recess 23 with first screw rod 22, extension board 21 removes in recess 23 inside all the time, stability when having improved extension board 21 and removing, first screw rod 22 highly is less than the height of recess 23, first screw rod 22 top is located inside recess 23, can not influence the work of holding up of extension board 21 to the bag at the bottom of the other side, guarantee the stability and the hem effect that the bag was placed at the bottom of the side, mounting groove 33 has been seted up to roof 3 inside, second screw rod 31 all is located inside mounting groove 33 with inner panel 32, inner panel 32 removes in mounting groove 33 inside all the time, stability when inner panel 32 removed has been improved, the top of second screw rod 31 is located the top of roof 3, make things convenient for the workman to rotate second screw rod 31 and carry out the position control work of inner panel 32, make things convenient for the workman application of force, work efficiency has been improved.
The utility model discloses a theory of operation is: during operation, with the bag body cover of square end bag in four layer boards 2 outsides, then start two cylinders 12 simultaneously, two roof 3 are from the both sides extrusion bag body of the bag body, with two layer boards 2 cooperations that correspond, accomplish the hem work of square end bag, conveniently carry out placing and hem work of square end bag, can carry out the hem work simultaneously to the two sides of square end bag, work efficiency is improved, in the course of the work, the workman twists first screw rod 22 and makes extension board 21 rebound, twist second screw rod 31 and make inner panel 32 rebound, conveniently carry out extension board 21, the position control and the fixed work of inner panel 32, stretch out the length of 2 outsides of layer boards and the length that inner panel 32 stretches out roof 3 outsides through adjustment extension board 21, place and hem work to not unidimensional square end bag, applicability is improved, work efficiency is improved.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The automatic edge folding mechanism for the square-bottom bag comprises a bottom plate (1) and is characterized in that two ejector rods (11) which are symmetrically distributed are fixedly connected to the top of the bottom plate (1), two supporting plates (2) which are symmetrically distributed are hinged to the outer sides of the ejector rods (11), an extending plate (21) is slidably mounted inside the supporting plates (2), a first screw (22) is rotatably connected to the inside of the supporting plates (2), the first screw (22) is located behind the extending plate (21), a moving block (211) is fixedly connected to the bottom of one side, close to the first screw (22), of the extending plate (21), and the moving block (211) is in threaded connection with the outer side of the first screw (22);
bottom plate (1) top fixedly connected with two cylinders (12) that are the symmetric distribution, cylinder (12) and outside air supply sealing connection, two ejector pin (11) are located two between cylinder (12), cylinder (12) output end fixedly connected with pole setting (121), pole setting (121) inside wall fixedly connected with roof (3), roof (3) internal rotation is connected with second screw rod (31), roof (3) inside slidable mounting has inner panel (32), inner panel (32) are located second screw rod (31) the place ahead, inner panel (32) are close to bottom fixedly connected with connecting block (321) of second screw rod (31) one side, connecting block (321) threaded connection be in the second screw rod (31) outside.
2. The automatic square-bottom bag edge folding mechanism according to claim 1, wherein a groove (23) is formed in the supporting plate (2), and the extension plate (21) and the first screw (22) are both located in the groove (23).
3. An automatic square bottom bag folding mechanism according to claim 2, wherein the height of the first screw (22) is smaller than the height of the groove (23), and the top end of the first screw (22) is positioned inside the groove (23).
4. The automatic square-bottom bag edge folding mechanism according to claim 1, wherein a mounting groove (33) is formed in the top plate (3), and the second screw (31) and the inner plate (32) are both located in the mounting groove (33).
5. An automatic square bottom bag folding mechanism according to claim 1, wherein the top end of the second screw (31) is located above the top of the top plate (3).
6. The automatic square-bottom bag edge folding mechanism according to claim 1, wherein one end of the top plate (3) far away from the upright rod (121) and one end of the inner plate (32) far away from the second screw (31) are both arc-shaped.
7. The automatic square-bottom bag edge folding mechanism according to claim 1, wherein one end of the supporting plate (2) far away from the top rod (11) and one end of the extending plate (21) far away from the first screw (22) are both arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120140958.6U CN214294727U (en) | 2021-01-19 | 2021-01-19 | Automatic hem mechanism of square-bottom bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120140958.6U CN214294727U (en) | 2021-01-19 | 2021-01-19 | Automatic hem mechanism of square-bottom bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214294727U true CN214294727U (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120140958.6U Active CN214294727U (en) | 2021-01-19 | 2021-01-19 | Automatic hem mechanism of square-bottom bag |
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| Country | Link |
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| CN (1) | CN214294727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275611A (en) * | 2021-11-29 | 2022-04-05 | 深圳圣鑫自动化设备有限公司 | Non-woven bag folding machine |
-
2021
- 2021-01-19 CN CN202120140958.6U patent/CN214294727U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114275611A (en) * | 2021-11-29 | 2022-04-05 | 深圳圣鑫自动化设备有限公司 | Non-woven bag folding machine |
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