CN210763560U - Plastic bag folding device capable of processing products with different widths - Google Patents
Plastic bag folding device capable of processing products with different widths Download PDFInfo
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- CN210763560U CN210763560U CN201921684803.8U CN201921684803U CN210763560U CN 210763560 U CN210763560 U CN 210763560U CN 201921684803 U CN201921684803 U CN 201921684803U CN 210763560 U CN210763560 U CN 210763560U
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Abstract
A plastic bag folding device capable of processing products with different widths comprises a front corner folding mechanism and a middle pressing plate which are respectively positioned in front of and behind the folding device; the front angle folding mechanism comprises a plastic bag belt lifting supporting plate and a front angle folding mechanism, wherein the plastic bag belt lifting supporting plate is arranged in front of the front folded plate. The utility model has the advantages that: utilize clamp plate width adjusting device and backup pad width adjusting device, can carry the width of taking backup pad and middle clamp plate to the plastic bag according to the product width and adjust, can process the product of different width, expanded the scope of processing product size, improved the suitability of machine.
Description
Technical Field
The utility model relates to a plastic bag system bag machine's subassembly specifically is a folding device of system bag machine, can fold the plastic bag of different widths.
Background
The folding device of the material bag making machine in the prior art comprises: a front angle folding mechanism for folding the two lifting belts at the front end of the vest-shaped plastic bag finished product towards the middle; the middle part of the top side is provided with a front folding plate gap for the bag pressing hook to pass through; a rear flap for folding the rear portion of the plastic bag product forward; the front corner folding plate is arranged in front of the front folding plate, and the back of the front folding plate is provided with a back folding plate; an n-shaped bracket connected with the racks on the two sides is arranged above the guide plate, an inserting plate is arranged below the n-shaped bracket, a front indentation plate and a rear indentation plate are respectively arranged in front of and behind the inserting plate, and the inserting plate, the indentation plates and the rear indentation plates are respectively connected with the guide rod through a driving device arranged on the n-shaped bracket; a front creasing plate notch corresponding to the front folded plate notch is arranged in the middle of the lower side of the front creasing plate; the rear part of the middle pressure plate is connected with a middle pressure plate driving device which can drive the middle pressure plate to deflect and move back and forth along the guide rail.
The front corner folding mechanism comprises: the plastic bag carries the tape backup pad and anterior angle folding plate, the plastic bag carries the tape backup pad to set up in the front of the said front folded plate, the back end of the plastic bag carries the tape backup pad to have bevel edge that is identical with isosceles trapezoid of the front end of the front folded plate; two front corner folding plates capable of moving left and right relatively are arranged below the plastic bag lifting belt supporting plate (the plastic bag lifting belt is folded by matching with the plastic bag lifting belt supporting plate). Two front angle folding plates are respectively driven by a driving cylinder to synchronously and relatively move; the driving cylinder is arranged on a base plate which is driven by the driving cylinder to move back and forth synchronously with the plastic bag lifting belt supporting plate and the front angle folding plate.
The existing plastic bag lifting belt supporting plate and the middle pressing plate are of an integrated structure, when the plastic bag lifting belt supporting plate works, after a stack of plastic bags are conveyed to the upper surface of a product folding unit by a product input unit, the middle pressing plate reaches the upper part of the plastic bags from the rear and moves downwards to press the plastic bags, then two front angle folding plates move towards the middle from the left side and the right side to fold two lifting belts at the front end of the plastic bags lapped on the plastic bag lifting belt supporting plate towards the middle, then a bag pressing hook bends upwards and backwards to press the upper surface of the front part of the plastic bag, and then the middle pressing plate moves; then, the front and the rear indentation plates press the indentations downwards on the plastic bag and then reset; then the front folded plate is folded upwards and backwards; and finally, the rear folded plate is folded upwards and forwards to complete the whole folding process. Because the width of plastic bag carrying strap backup pad and intermediate pressure board is fixed, only can fold the plastic bag of certain width, the width difference between them is too big just need to change the intermediate pressure board and the plastic bag carrying strap backup pad of suitable width, and the suitability of machine is relatively poor.
Disclosure of Invention
The utility model aims at providing a can process the plastic bag folding device of different width products to solve the relatively poor problem of suitability that prior art exists.
The technical scheme of the utility model is that: a plastic bag folding device capable of processing products with different widths comprises a front corner folding mechanism and a middle pressing plate which are respectively positioned in front of and behind the folding device; the front angle folding mechanism comprises a plastic bag belt lifting supporting plate and a front angle folding plate, wherein the plastic bag belt lifting supporting plate is arranged in front of the front folding plate.
The two half pressing plates are arranged on a base plate, a transverse pressing plate guide rail is arranged on the base plate, and the lower surfaces of the two half pressing plates are slidably arranged on the pressing plate guide rail.
The two half supporting plates can be arranged on a base plate in a left-back sliding mode.
The pressure plate width adjusting device and the supporting plate width adjusting device comprise: the two nuts are respectively connected with the two half pressing plates or the two half supporting plates, and the distance between the two nuts can be adjusted by rotating the screw; the rotation of the screw is driven manually or by a motor.
The pressing plate width adjusting device and the supporting plate width adjusting device adopt an air cylinder to directly drive the two half pressing plates or the half supporting plates to move through a transmission mechanism.
The utility model has the advantages that: utilize clamp plate width adjusting device and backup pad width adjusting device, can carry the width of taking backup pad and middle clamp plate to the plastic bag according to the product width and adjust, can process the product of different width, expanded the scope of processing product size, improved the suitability of machine.
Drawings
Fig. 1 is a schematic view of the general structure of the present invention (a cross-sectional view B-B of fig. 2);
FIG. 2 is a cross-sectional view A-A of FIG. 1 (without the front creasing plate, insert plate, and rear creasing plate);
FIG. 3 is a schematic structural view of the intermediate pressing plate and the pressing plate width adjusting device of the present invention;
fig. 4 is a bottom view of fig. 3.
Description of reference numerals: 1. the plastic bag lifting device comprises a machine frame, 2, a plastic bag lifting supporting plate, 3, a front corner folding plate, 4, a supporting plate driving cylinder, 5, a lifting folding plate driving cylinder, 6, a bag pressing hook, 7, a hook driving cylinder, 8, a front folding plate, 10, a front creasing plate, 11, an inserting plate, 12, a rear creasing plate, 13, a cylinder, 14, a cylinder, 15, a cylinder, 16, two side pressing plates, 17, a rear folding plate, 18, an intermediate pressing plate, 19, a base plate, 20, a pressing plate guide rail, 21, a base plate guide rail, 22, a hinge shaft, 23, a cross beam (connected with the machine frame), 24, a front and rear driving cylinder (used for driving the base plate), 26, a first upper and lower driving cylinder, 27, a second upper and lower driving cylinder, 31, a guide plate, 33, a base plate, 34, an n-shaped bracket, 35, a pressing plate width adjusting device, 36, a supporting plate width adjusting.
Detailed Description
Referring to fig. 1-4, the present invention relates to a plastic bag folding apparatus capable of processing products with different widths, which comprises a front angle folding mechanism and a middle pressing plate 18 respectively located in front of and behind the folding apparatus a. The folding device a further comprises: a front folding plate 8 for folding the front part of the finished plastic bag backwards, a bag pressing hook 6 (driven by a hook driving cylinder 7 arranged below the front end of the front folding plate 8) capable of swinging upwards and backwards is arranged in the middle of the front end of the front folding plate 8, and a front folding plate notch 81 for allowing the bag pressing hook 6 to pass through is arranged in the middle of the top edge; a rear flap 17 for folding the rear portion of the plastic bag product forward; the front corner folding mechanism is arranged in front of a front folding plate 8, a rear folding plate 17 is arranged behind the front folding plate 8, two guide plates 31 arranged in parallel are arranged below the space between the front folding plate and the rear folding plate, and two side pressing plates 16 with opposite openings and capable of moving up and down and relatively are respectively arranged above two ends of each guide plate 31; an n-shaped bracket 34 connected with the frames on two sides is arranged above the guide plate 31, an inserting plate 11 is arranged below the n-shaped bracket 34, a front indentation plate 10 and a rear indentation plate 12 are respectively arranged in front of and behind the inserting plate 11, and the inserting plate 11, the indentation plate 10 and the rear indentation plate 12 are respectively connected with the guide rod through a driving device arranged on the n-shaped bracket 34 (the driving device of the front indentation plate 10 adopts a cylinder 13, two sides of the cylinder 13 are respectively provided with a guide rod 131; the driving devices of the inserting plate 11 and the rear indentation plate 12 respectively adopt a cylinder 14 and a cylinder 15, and two sides of the cylinder 14 and the cylinder 15 are also provided with a guide rod). An intermediate pressure plate 18 is arranged above the rear part of the frame 1, two angles of the front end of the intermediate pressure plate are chamfers 181 of 45 degrees, and the rear part of the intermediate pressure plate 18 is connected with an intermediate pressure plate driving device which can drive the intermediate pressure plate to deflect and move back and forth along the longitudinal guide rail 21. The front angle folding mechanism comprises a plastic bag belt lifting supporting plate 2 and two front angle folding plates 3, wherein the two front angle folding plates 3 are driven by a driving cylinder 5 to synchronously and relatively move respectively; the driving cylinder 5 is installed on a base plate 33, and the base plate 33 is driven by the driving cylinder 4 to move forward and backward in synchronization with the plastic bag carrier strip supporting plate 2 and the front corner folding plate 3. The back end of the plastic bag carrying belt supporting plate 2 is a bevel edge with an angle of 45 degrees corresponding to the chamfer 181 at the front end of the middle pressing plate 18. The above is prior art and may be different.
The utility model discloses the modified structure is, plastic bag carry and take backup pad 2 and intermediate pressure board 18 to constitute by bilateral symmetry's half backup pad and half clamp plate respectively to be equipped with respectively and be used for adjusting two backup pad width adjusting device 36 of half backup pad interval and adjust two clamp plate width adjusting device 35 of half clamp plate interval.
The middle pressing plate 18 is composed of two bilaterally symmetrical half pressing plates, the two half pressing plates are arranged on a base plate 19, a transverse pressing plate guide rail 20 is arranged on the base plate 19, and the lower surfaces of the two half pressing plates are slidably arranged on the pressing plate guide rail 20.
The two half supporting plates can be arranged on a base plate 33 in a left-back sliding mode, and the installation structure is the same as that of the half pressing plates.
The pressing plate width adjusting device 35 and the supporting plate width adjusting device 36 include: the two nuts are respectively connected with the two half pressing plates or the two half supporting plates, and the distance between the two nuts can be adjusted by rotating the screw; the rotation of the screw rod is driven manually or by a motor; the pressure plate width adjusting device 35 and the supporting plate width adjusting device 36 either adopt an air cylinder to drive the two half pressure plates to move directly or through a transmission mechanism. Or any device known in the art that can adjust the separation between two components.
Claims (5)
1. A plastic bag folding device capable of processing products with different widths comprises a front corner folding mechanism and a middle pressing plate which are respectively positioned in front of and behind the folding device; the front angle folding mechanism comprises a plastic bag belt lifting supporting plate and a front angle folding mechanism, wherein the plastic bag belt lifting supporting plate is arranged in front of the front folded plate.
2. A plastic bag folding apparatus capable of processing products of different widths as claimed in claim 1 wherein two of said half platens are mounted on a base plate with transverse platen rails on the top of the base plate and the bottom of the two half platens are slidably mounted on the platen rails.
3. A plastic bag folding apparatus capable of processing products of different widths as claimed in claim 2, wherein said two half supporting plates are slidably installed on a base plate in a left-rear direction.
4. A plastic bag folding apparatus capable of processing products of different widths as claimed in claim 1, wherein said pressing plate width adjusting means and said supporting plate width adjusting means comprise: the two nuts are respectively connected with the two half pressing plates or the two half supporting plates, and the distance between the two nuts can be adjusted by rotating the screw; the rotation of the screw is driven manually or by a motor.
5. The plastic bag folding apparatus capable of processing products with different widths as claimed in claim 1, wherein the pressing plate width adjusting means and the supporting plate width adjusting means are driven by a pneumatic cylinder to move the two half pressing plates or the half supporting plates directly through a transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684803.8U CN210763560U (en) | 2019-10-10 | 2019-10-10 | Plastic bag folding device capable of processing products with different widths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921684803.8U CN210763560U (en) | 2019-10-10 | 2019-10-10 | Plastic bag folding device capable of processing products with different widths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210763560U true CN210763560U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921684803.8U Active CN210763560U (en) | 2019-10-10 | 2019-10-10 | Plastic bag folding device capable of processing products with different widths |
Country Status (1)
| Country | Link |
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| CN (1) | CN210763560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060374A (en) * | 2021-05-01 | 2021-07-02 | 苏立西 | Vest bag folding equipment |
-
2019
- 2019-10-10 CN CN201921684803.8U patent/CN210763560U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060374A (en) * | 2021-05-01 | 2021-07-02 | 苏立西 | Vest bag folding equipment |
| CN113060374B (en) * | 2021-05-01 | 2022-06-28 | 苏立西 | Vest bag folding equipment |
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