CN218229713U

CN218229713U - Folding mechanism of plastic bag handle

Info

Publication number: CN218229713U
Application number: CN202221697545.9U
Authority: CN
Inventors: 易良强; 易良川; 郑辉
Original assignee: Zhejiang Yicheng Intelligent Technology Co ltd
Current assignee: Zhejiang Yicheng Intelligent Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-01-06
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a folding mechanism of plastic bag handle, including the synchronous folding mechanism of going up and down to connect the bag body in the frame to place the board and be located the bag body and place the board front side, sliding connection has the expansion plate on the board is placed to the bag body, and the expansion plate can slide towards synchronous folding mechanism, two sides of expansion plate are the hypotenuse, be provided with hold-down mechanism in the frame, hold-down mechanism is located the bag body and places the top of board, can carry out synchronous folding to two handles on the plastic bag after the offset pressure cuts, improves the folding efficiency of handle.

Description

Folding mechanism of plastic bag handle

Technical Field

The utility model belongs to the technical field of the plastic bag production, more specifically the folding mechanism who relates to a plastic bag handle that says so.

Background

In the production process of plastic bags, after the handle is punched out by the punching mechanism, the plastic bags are conveyed to the handle folding mechanism by the grabbing mechanism, and the handle of the plastic bags is folded.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a folding mechanism of plastic bag handle realizes improving folding efficiency to the synchronous folding of two handles on the plastic bag.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a folding mechanism of plastic bag handle, includes that the bag body of going up and down to connect in the frame places the board and is located the synchronous folding mechanism that the board front side was placed to the bag body, the bag body is placed and is gone up sliding connection and has the expansion plate, and the expansion plate can slide towards synchronous folding mechanism, two sides of expansion plate are the hypotenuse, be provided with hold-down mechanism in the frame, hold-down mechanism is located the bag body and places the top of board.

Furthermore, the synchronous folding mechanism comprises a synchronous transmission belt, a first folding plate and a second folding plate are arranged on the synchronous transmission belt, the first folding plate is located above the second folding plate, the first folding plate is located below the expansion plate, the first folding plate and the second folding plate are respectively located on an upper strip and a lower strip of the synchronous rotating belt, and a first drive is connected to the synchronous transmission belt.

Furthermore, a rotatable rotating shaft is arranged on the rack, two supporting plates are arranged on the rotating shaft and are respectively located on two sides of the expansion plate, and a second drive is connected to the rotating shaft.

Furthermore, the pressing mechanism comprises a pressing support, a first pressing rod and a second pressing rod are arranged on the pressing support, the first pressing rod is located above one end, close to the synchronous folding mechanism, of the bag body placing plate, and the second pressing rod is located on one side, close to the synchronous folding mechanism, of the first pressing rod.

Furthermore, a fixing plate is arranged on the rack, and the first folding plate and the second folding plate are connected with the fixing plate in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: the plastic bag after the handle is cut out in the punching press is sent to the bag body by the mechanism that snatchs in the frame and places the board on, hold-down mechanism compresses tightly the bag body back end of plastic bag earlier, and the expansion plate supports the first half section of the bag body after stretching out, and because the expansion plate is three horn shapes or equilateral trapezoid shape, but two handles of the bag body fall naturally, then drive first folded sheet and second folded sheet simultaneously through the synchro-drive belt and be close to the removal each other to realize the synchronous folding of two handles, improve folding efficiency.

Drawings

Fig. 1 is a schematic structural view of a plastic bag production apparatus with a handle folding mechanism according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of the plastic bag production equipment with the handle folding mechanism from another view angle.

Fig. 4 is an enlarged view of a portion B in fig. 2.

Reference numerals: 1. a frame; 2. a bag body placing plate; 3. a retractable plate; 4. a synchronous drive belt; 5. a first folding plate; 6. a second folding plate; 7. a rotating shaft; 8. a support plate; 9. pressing the bracket; 10. a first hold-down bar; 11. a second hold down bar; 12. a fixing plate; 13. a hold-down mechanism; 14. synchronous folding mechanism.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if any, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and as used in the description of the invention, the definition of "a plurality" or "a plurality" means two or more unless otherwise explicitly specified.

The present invention is further described with reference to fig. 1 to 4.

The utility model provides a folding mechanism of plastic bag handle, includes that the bag body of lift connection in frame 1 places board 2 and is located the bag synchronous folding mechanism 14 that the board 2 front sides were placed to the bag body, sliding connection has telescopic link 3 on the board 2 is placed to the bag body, and telescopic link 3 can slide towards synchronous folding mechanism 14, two sides of telescopic link 3 are the hypotenuse, be provided with hold-down mechanism 13 in the frame 1, hold-down mechanism 13 is located the bag body and places the top of board 2.

As shown in fig. 1 to 4, the telescopic rod 3 on the folding front bag placing plate 2 extends out earlier, then the plastic bag after the punching and cutting is grabbed and sent to the bag placing plate 2 by the grabbing mechanism on the frame 1, and the bag rear section of the plastic bag is located on the bag placing plate 2, the pressing mechanism 13 presses the plastic bag on the bag placing plate 2, and the bag front section of the plastic bag is abutted to the telescopic rod 3, because two inclined edges of the telescopic rod 3 make two handles on the bag front section unsupported, the two handles naturally fall down, then the two handles are synchronously folded through the synchronous folding mechanism 14, after folding, the telescopic rod 3 of the handle retracts, the plastic bag front section is supported through the first folding plate 5, then the pressing mechanism 13 presses the front section of the plastic bag and the folded handle on the telescopic rod 3, namely, the folding of the handle is completed, and the next step of the process operation can be carried out.

Preferably, the rack 1 is provided with a lifting drive which can drive the bag body placing plate 2 to ascend or descend, and a telescopic drive which can drive the telescopic rod 3 to extend or retract is arranged between the bottom surface of the bag body placing plate 2 and the telescopic rod 3.

Preferably, the lifting drive and the telescopic drive may be a pneumatic cylinder, an electric telescopic cylinder, or the like.

As shown in fig. 2, it is preferable in this embodiment, the synchronous folding mechanism 14 includes a synchronous transmission belt 4, a first folding plate 5 and a second folding plate 6 are provided on the synchronous transmission belt 4, the first folding plate 5 is located above the second folding plate 6, the first folding plate 5 is located below the telescopic rod 3, the first folding plate 5 and the second folding plate 6 are located on the upper strip and the lower strip of the synchronous rotation belt respectively, the synchronous transmission belt 4 is connected with a first drive, before folding, the first folding plate 5 and the second folding plate 6 are in an upper-lower folding state and located in the middle position of the telescopic rod 3, after two handles of the plastic bag naturally droop, the first drive drives the synchronous transmission belt 4 to operate, so that the first folding plate 5 and the first folding plate 6 are away from each other until the two handles are located between the first folding plate 5 and the second folding plate 6, and then the synchronous folding plate 4 reversely operates, so that the first folding plate 5 and the first folding plate 6 are close to each other and abut against each other in the process of being close to each other, i.e., the first folding plate 5 and the second folding plate 5 are located between the folding plate 3 after folding handle naturally droops, i.e., after folding.

Preferably, the first drive may use a motor or a rotary cylinder, etc.

As shown in fig. 4, preferably in this embodiment, be provided with rotatable pivot 7 in the frame 1, be provided with two backup pads 8 in the pivot 7, two backup pads 8 are located the both sides of telescopic link 3 respectively, be connected with the second drive in the pivot 7, after first folding plate 5 and second folding plate 6 are folding two handles, the second drive drives pivot 7 and rotates, makes two backup pads 8 rotate the lifting, and then telescopic link 3 returns and contracts to support the bag body anterior segment of plastic bag through two backup pads 8 and first folding plate 5, then loosen the back end of the bag body through hold-down mechanism 13, and compress tightly the anterior segment of the bag body and the handle after folding, avoid the folding handle to loosen.

After the telescopic rod 3 retracts and the pressing mechanism 13 loosens the rear section of the bag body, the bag body placing plate 2 is driven to lift and drive the bag body placing plate 2 to descend, so that the rear section of the bag body is drooped by gravity, and the subsequent folding of the bag body is facilitated.

Preferably, the second drive can use motor or rotatory hydro-cylinder etc. and the second drive includes the cylinder in this implementation, the cylinder is articulated with frame 1, and the tip of pivot 7 is provided with the connecting rod, and the piston rod of cylinder is articulated with the connecting rod, and when the piston rod of cylinder stretches out or contracts, can drive pivot 7 and rotate.

Preferably, the bag body is placed and is provided with two telescopic links 3 on the board 2, corresponds two punching presses on the frame 1 and snatchs the mechanism, and is provided with two first folded sheet 5 and second folded sheet 6 on the synchronous conveyer belt to and be provided with four backup pads 8 in the pivot 7, can realize two folding synchronization operations, improve the folding efficiency in plastic strip.

As shown in fig. 4, in this embodiment, preferably, the pressing mechanism 13 includes a pressing support 9, the pressing support 9 is provided with a first pressing rod 10 and a second pressing rod 11, the first pressing rod 10 is located above one end of the bag body placing plate 2 close to the synchronous folding mechanism 14, the second pressing rod 11 is located on one side of the first pressing rod 10 close to the synchronous folding mechanism 14, that is, the rear section of the bag body is pressed by the first pressing plate, and the front section of the bag body is pressed by the second pressing rod 11.

Preferably, the pressing bracket 9 is provided with a third driving device for driving the first pressing rod 10 and the second pressing rod 11, respectively.

Preferably, the third drive is preferably a pneumatic cylinder or an electric telescopic cylinder.

As shown in fig. 4, preferably, guide rods are disposed on the first pressing rod 10 and the second pressing rod 11, and the guide rods are slidably connected to the pressing bracket 9, so as to improve the moving efficiency of the first pressing rod 10 and the second pressing rod 11.

As shown in fig. 4, preferably, the two ends of the second pressing rod 11 are provided with pressing blocks, that is, the front section and the folded handle of the bag body are pressed by the pressing blocks.

As shown in fig. 2, in the present embodiment, it is preferable that a fixing plate 12 is disposed on the frame 1, and the first folding plate 5 and the second folding plate 6 are slidably connected to the fixing plate 12, so as to improve the moving efficiency of the first folding plate 5 and the second folding plate 6.

Preferably, the first folding plate 5 and the second folding plate 6 are connected with the fixed plate 12 through slide rails and sliders.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a folding mechanism of plastic bag handle which characterized in that: including the synchronous folding mechanism that the board was placed to the bag body of lifting connection in the frame and be located the bag body and place the board front side, sliding connection has the expansion plate on the board is placed to the bag body, and the expansion plate can slide towards synchronous folding mechanism, two sides of expansion plate are the hypotenuse, be provided with hold-down mechanism in the frame, hold-down mechanism is located the bag body and places the top of board.

2. The folding mechanism for plastic bag handles according to claim 1, wherein: the synchronous folding mechanism comprises a synchronous transmission belt, a first folding plate and a second folding plate are arranged on the synchronous transmission belt, the first folding plate is located above the second folding plate, the first folding plate is located below the expansion plate, the first folding plate and the second folding plate are respectively located on an upper strip and a lower strip of the synchronous transmission belt, and a first drive is connected to the synchronous transmission belt.

3. The folding mechanism for plastic bag handles according to claim 2, wherein: the frame is provided with a rotatable rotating shaft, the rotating shaft is provided with two supporting plates, the two supporting plates are respectively positioned on two sides of the telescopic plate, and the rotating shaft is connected with a second drive.

4. The folding mechanism for plastic bag handles according to claim 3, wherein: the pressing mechanism comprises a pressing support, a first pressing rod and a second pressing rod are arranged on the pressing support, the first pressing rod is located above one end, close to the synchronous folding mechanism, of the bag body placing plate, and the second pressing rod is located on one side, close to the synchronous folding mechanism, of the first pressing rod.

5. The folding mechanism for plastic bag handles according to claim 4, wherein: the rack is provided with a fixed plate, and the first folding plate and the second folding plate are connected with the fixed plate in a sliding mode.