Folding device for plastic products

Abstract

The folding device comprises a bottom plate and a supporting plate, the supporting plate is arranged on the side face of the bottom plate, an opening is formed in the middle of the side wall of the supporting plate in a penetrating mode, a control mechanism is arranged on the side face of the supporting plate, a rolling and folding mechanism is connected to the side face of the control mechanism, and limiting frames are symmetrically arranged below the supporting plate. The rolling and folding mechanism is provided with an opening, the limiting frames are symmetrically arranged on the two sides of the opening, the rolling frame is arranged at the upper end between the limiting frames, the notch structure is arranged at the right lower end of the rolling frame, and the notch structure is arranged right above the rolling and folding mechanism. According to the plastic bag rolling and folding device, the rolled and folded plastic bag is changed into a cylindrical shape, a worker can conveniently bind the plastic bag, and the problems that in the background technology, the worker cannot bind the plastic bag at the first time after the plastic bag is folded into a square shape, and the shape of the plastic bag is prone to deformation are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of folding plastic products, and particularly relates to a folding device for plastic products. Background Art

[0002] Plastic bags are necessities in people's lives. In order to meet people's demand for plastic bags, a plastic bag folding device was invented to fold the produced plastic bags for easy packaging and sales.

[0003] The existing Chinese patent with announcement number CN201310349127.X discloses a plastic bag folding machine, which inserts into the gap of the clamping plate device to block or pinch the plastic bag, and discharges the plastic bag onto the output device during the relative movement between the clamping plate device and the bag discharge device, and completes the folding and packaging of the plastic bag through manual bundling.

[0004] However, in the above patent, the plastic bag is folded into a square shape, but the square plastic bag structure is not stable, and the staff cannot bundle the plastic bag immediately, and the shape of the plastic bag is easily deformed. Therefore, a folding device for plastic products is proposed. Utility Model Content

[0005] The purpose of the utility model is to overcome the problem in the prior art that the plastic bag is folded into a square shape, but the square plastic bag structure is not stable, the staff can no longer bundle the plastic bag in the first time, and the shape of the plastic bag is easily deformed. The utility model provides a folding device for plastic products which brings the plastic bag into a winding frame through a winding and folding mechanism, and rolls the plastic bag in the winding frame. The shape of the winding frame makes the rolled and folded plastic bag become cylindrical, which is convenient for the staff to bundle.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a folding device for plastic products, including a base plate and a support plate, wherein the support plate is arranged on the side of the base plate, the support plate is an inverted L-shaped structure, an opening is penetrated through the middle of the side wall of the support plate, a control mechanism is provided on the side of the support plate, a winding and folding mechanism is connected to the side of the control mechanism, the winding and folding mechanism moves through the opening, limit frames are symmetrically provided under the support plate, the limit frames are symmetrically provided on both sides of the opening, a winding frame is provided at the upper end between the limit frames, the winding frame is a hollow cylindrical structure, a notch structure is provided at the lower end of the winding frame, and the notch structure is provided directly above the winding and folding mechanism.

[0007] Preferably, the winding and folding mechanism includes a winding rod, a rotating plate, a rotating motor, a first gear, a second gear and a winding bin, the winding bin is fixedly connected to the control mechanism, the control mechanism is movably arranged in the opening, the rotating motor is arranged on the bottom wall of the winding bin, the first gear is fixedly connected to the rotating motor, the second gear is rotatably arranged on the side of the inner wall of the winding bin and meshed with the first gear, the rotating plate is rotatably arranged on the side of the support plate and fixedly connected to the second gear, and the winding rod is symmetrically arranged at both ends of the side of the rotating plate.

[0008] Preferably, the control mechanism includes a control bin, a drive motor, a lead screw, a lead screw nut and a fixed block, the control bin is arranged on the side of the support plate, the fixed block is arranged on the bottom wall of the control bin, the drive motor is arranged under the upper wall of the control bin, one end of the lead screw is rotatably arranged in the fixed block, the other end of the lead screw is fixedly connected to the drive motor, the lead screw nut is sleeved on the lead screw, and the lead screw nut is fixedly connected to the winding bin.

[0009] Preferably, support rods are symmetrically arranged under the bottom plate.

[0010] Preferably, a semicircular arc-shaped recessed structure is provided at the center of the bottom plate, and the semicircular arc-shaped recessed structure is provided directly below the notch structure.

[0011] Preferably, a pad is provided on the top of the winding frame, and the pad is provided under the supporting plate.

[0012] Preferably, a plate structure is provided at the upper and lower ends of the limit frame extending toward a side away from the winding frame.

[0013] The beneficial effects of the utility model are:

[0014] The utility model brings the plastic bag into the winding frame through the winding and folding mechanism, and rolls the plastic bag in the winding frame. The shape of the winding frame makes the rolled and folded plastic bag become cylindrical, which is convenient for workers to bundle. The utility model solves the problem that the plastic bag proposed in the background technology is folded into a square shape, but the square plastic bag has an unstable structure, the workers cannot bundle the plastic bag in the first time, and the shape of the plastic bag is easy to deform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a folding device for plastic products.

[0016] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0017] Figure 3 yes Figure 1 Diagram of the internal structure of the control mechanism.

[0018] Figure 4 yes Figure 1 The inner wall structure diagram of the middle winding and folding mechanism.

[0019] In the figure: 1. bottom plate; 2. support plate; 3. opening; 4. control mechanism; 5. winding and folding mechanism; 6. limit frame; 7. winding frame; 8. winding rod; 9. rotating plate; 10. rotating motor; 11. first gear; 12. second gear; 13. winding bin; 14. control bin; 15. driving motor; 16. lead screw; 17. lead screw nut; 18. fixing block; 19. support rod; 20. pad. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore should not be understood as a limitation on the present invention.

[0022] The present embodiment provides a folding device for plastic products, including a bottom plate 1 and a support plate 2. The support plate 2 is arranged on the side of the bottom plate 1. The support plate 2 is an inverted L-shaped structure. An opening 3 is penetrated in the middle of the side wall of the support plate 2. A control mechanism 4 is provided on the side of the support plate 2. A winding and folding mechanism 5 is connected to the side of the control mechanism 4. The winding and folding mechanism 5 moves through the opening 3. Limiting frames 6 are symmetrically provided under the support plate 2. The limiting frames 6 are symmetrically arranged on both sides of the opening 3. A winding frame 7 is provided at the upper end between the limiting frames 6. The winding frame 7 is a hollow cylindrical structure. A notch structure is provided at the lower end of the winding frame 7. The notch structure is provided directly above the winding and folding mechanism 5.

[0023] In one embodiment, specifically, the winding and folding mechanism 5 includes a winding rod 8, a rotating plate 9, a rotating motor 10, a first gear 11, a second gear 12 and a winding bin 13, the winding bin 13 is fixedly connected to the control mechanism 4, the control mechanism 4 is movably arranged in the opening 3, the rotating motor 10 is arranged on the bottom wall of the winding bin 13, the first gear 11 is fixedly connected to the rotating motor 10, the second gear 12 is rotatably arranged on the side of the inner wall of the winding bin 13 and is meshed with the first gear 11, the rotating plate 9 is rotatably arranged on the side of the support plate 2 and is fixedly connected to the second gear 12, and the winding rod 8 is symmetrically arranged at both ends on the side of the rotating plate 9.

[0024] In one embodiment, specifically, the control mechanism 4 includes a control bin 14, a drive motor 15, a lead screw 16, a lead screw nut 17 and a fixed block 18. The control bin 14 is arranged on the side of the support plate 2, the fixed block 18 is arranged on the bottom wall of the control bin 14, the drive motor 15 is arranged under the upper wall of the control bin 14, one end of the lead screw 16 is rotatably arranged in the fixed block 18, and the other end of the lead screw 16 is fixedly connected to the drive motor 15, the lead screw nut 17 is sleeved on the lead screw 16, and the lead screw nut 17 is fixedly connected to the winding bin 13.

[0025] In one embodiment, specifically, support rods 19 are symmetrically arranged under the bottom plate 1 .

[0026] In one embodiment, specifically, a semicircular recessed structure is provided at the center of the bottom plate 1, and the semicircular recessed structure is provided directly below the notch structure. When the plastic bag is folded, the rolling rod 8 at the lower end moves into the semicircular recessed structure, and the plastic bag is placed on the bottom plate 1, and the plastic bag is located between the two sets of rolling rods 8.

[0027] In one embodiment, specifically, a pad 20 is provided on the top of the winding frame 7 , and the pad 20 is provided under the supporting plate 2 .

[0028] In one embodiment, specifically, a plate structure is provided at the upper and lower ends of the limiting frame 6 extending toward a side away from the winding frame 7 .

[0029] The working process of the folding device for plastic products in this embodiment is as follows: the rolling rod 8 moves into the semicircular arc-shaped recessed structure, the plastic bag is placed on the bottom plate 1, and the plastic bag is located between the two sets of rolling rods 8. Then, the driving motor 15 is started, and the driving motor 15 drives the lead screw 16 to rotate. The lead screw 16 drives the winding and folding mechanism 5 to rise through the lead screw nut 17. At the same time, the rolling rod 8 drives the plastic bag up, and the plastic bag enters the winding frame 7 through the notch structure under the action of the rolling rod 8. At this time, a part of the plastic bag enters the winding frame 7, and the other part of the plastic bag naturally droops through the notch structure and is located below the winding frame 7. Then, the rotating motor 10 is started, and the rotating motor 10 drives the first gear 11 to rotate. The first gear 11 drives the rotating plate 9 to rotate through the second gear 12, and then drives the rolling rod 8 to rotate, thereby rolling up the plastic bag, and rolling the plastic bag into the limit frame 6. After that, the staff will tie one end of the plastic bag that is rolled into a columnar shape with a rubber band, etc. to complete the rolling and folding.

[0030] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A folding device for plastic products, characterized in that: The invention comprises a bottom plate (1) and a support plate (2), wherein the support plate (2) is arranged on the side of the bottom plate (1), the support plate (2) is an inverted L-shaped structure, an opening (3) is provided through the middle of the side wall of the support plate (2), a control mechanism (4) is provided on the side of the support plate (2), a winding and folding mechanism (5) is connected to the side of the control mechanism (4), the winding and folding mechanism (5) moves through the opening (3), a limit frame (6) is symmetrically provided under the support plate (2), the limit frame (6) is symmetrically provided on both sides of the opening (3), a winding frame (7) is provided at the upper end between the limit frames (6), the winding frame (7) is a hollow cylindrical structure, a notch structure is provided at the lower end of the winding frame (7), and the notch structure is provided directly above the winding and folding mechanism (5); The winding and folding mechanism (5) comprises a winding rod (8), a rotating plate (9), a rotating motor (10), a first gear (11), a second gear (12) and a winding bin (13); the winding bin (13) is fixedly connected to a control mechanism (4); the control mechanism (4) is movably arranged in the opening (3); the rotating motor (10) is arranged on the bottom wall of the winding bin (13); the first gear (11) is fixedly connected to the rotating motor (10); the second gear (12) is rotatably arranged on the side surface of the inner wall of the winding bin (13) and meshedly connected to the first gear (11); the rotating plate (9) is rotatably arranged on the side surface of the support plate (2) and fixedly connected to the second gear (12); the winding rod (8) is symmetrically arranged at both ends on the side surface of the rotating plate (9).

2. The folding device for plastic products according to claim 1, characterized in that: The control mechanism (4) comprises a control bin (14), a drive motor (15), a lead screw (16), a lead screw nut (17) and a fixed block (18); the control bin (14) is arranged on the side of the support plate (2); the fixed block (18) is arranged on the bottom wall of the control bin (14); the drive motor (15) is arranged below the upper wall of the control bin (14); one end of the lead screw (16) is rotatably arranged in the fixed block (18); the other end of the lead screw (16) is fixedly connected to the drive motor (15); the lead screw nut (17) is sleeved on the lead screw (16); and the lead screw nut (17) is fixedly connected to the winding bin (13).

3. The folding device for plastic products according to claim 1, characterized in that: Support rods (19) are symmetrically arranged under the bottom plate (1).

4. The folding device for plastic products according to claim 1, characterized in that: A semicircular arc-shaped recessed structure is provided at the center of the bottom plate (1), and the semicircular arc-shaped recessed structure is provided directly below the notch structure.

5. The folding device for plastic products according to claim 1, characterized in that: A pad (20) is provided on the top of the winding frame (7), and the pad (20) is provided under the supporting plate (2).

6. The folding device for plastic products according to claim 1, characterized in that: The upper and lower ends of the limit frame (6) are provided with a plate structure extending toward a side away from the winding frame (7).

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