Pillow type packaging film crease-free former device
By improving the support base plate and forming angle plate structure of the pillow-type packaging film forming machine, and combining it with an arc plate and a balance roller, the problem of creases during film forming was solved, achieving crease-free film forming and improving the aesthetics and adaptability of pillow bags.
Patent Information
- Application Number
- CN202520644367.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-08
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-04-08
AI Technical Summary
Existing forming machines lack a transition during the process of bending the film from flat to curved, resulting in creases forming in the film during forming, which affects the appearance of the pillow bag.
A pillow-type packaging film crease-free forming device was designed, which adopts an improved structure of a support base plate and a forming angle plate, combined with an arc plate and a balance roller. The arc plate design ensures that the film is crease-free during the forming process. The straight edge and arc edge of the arc plate are used for transition. The position of the forming angle plate can be adjusted by adjusting the connecting seat and bolts to adapt to different size requirements.
This technology enables the film to be creased-free during the molding process, improving the appearance quality of pillow bags and meeting the molding requirements of pillow bags of different sizes.
Smart Images
Figure CN223891321U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a pillow packaging machine, specifically to a forming device for a pillow packaging machine. Background Technology
[0002] Pillow packaging machines are devices that package materials inside pillow-shaped bags. Before packaging, a plastic film is formed into a U-shape by a forming device. After the material is filled into the U-shaped packaging film, subsequent sealing and cutting processes form individual pillow bags. Currently, the forming device generally includes a support base plate and two forming angle plates. The plastic film, pulled by the traction wheel set, comes up from the film inlet end of the support base plate and is formed into a U-shape by the upward inclined edges of the two forming angle plates. However, the upward inclined edges of the existing forming angle plates slope upward from the plane of the support base plate. This results in no transition between the flat and curved shape of the film, causing creases to form on the film under the action of the forming angle plates, affecting the appearance of the pillow bags. Summary of the Invention
[0003] In view of the shortcomings of the existing technology, this utility model innovatively provides a pillow-type packaging film crease-free forming device with better forming effect.
[0004] A pillow-type packaging film crease-free forming device includes a supporting base plate and two forming angle plates, the two forming angle plates being mounted on the supporting base plate. The supporting base plate has an arc-shaped plate at its film inlet end. The arc-shaped plate has a straight edge at the middle of its front edge and arc-shaped edges on both sides. There is a distance between the front edge of the arc-shaped plate and the front end of the forming angle plate, and the front end of the forming angle plate has a height.
[0005] A balance roller is provided below the arc plate, and the balance roller is mounted on a balance roller bracket.
[0006] The balance roller support is provided with a first front and rear elongated hole extending front and rear, and the roller shaft of the balance roller is installed in the first front and rear elongated hole.
[0007] The forming angle plate is connected to the support base plate via an L-shaped connecting seat. The first connecting plate of the connecting seat is connected to the forming angle plate, and the second connecting plate of the connecting seat is connected to the support base plate.
[0008] The first connecting plate of the connector has upper and lower elongated holes extending vertically, and a first bolt is provided in the upper and lower elongated holes. The first bolt is connected to the forming angle plate.
[0009] The support base plate is provided with a first left-right elongated hole extending left and right, and a second bolt is provided in the first left-right elongated hole. The second bolt is connected to the second connecting plate of the connecting seat.
[0010] The second connecting plate of the connector is provided with a second front and rear elongated hole extending from front to back, and the second bolt passes through the second front and rear elongated hole.
[0011] The arc plate is provided with a second left and right elongated hole extending to the left and right, and a third bolt is provided in the second left and right elongated hole. The third bolt is connected to the supporting base plate.
[0012] The support base plate is equipped with a traction wheel set at the membrane outlet end.
[0013] The pillow-type packaging film crease-free forming device provided by this utility model improves the forming effect and makes the packaging film crease-free by improving the structure. Attached Figure Description
[0014] Figure 1 This is a perspective view of the present utility model;
[0015] Figure 2 This is a schematic diagram of the connector;
[0016] Figure 3 This is a schematic diagram of a circular arc plate. Detailed Implementation
[0017] like Figure 1 As shown, this pillow-type packaging film crease-free forming device includes a supporting base plate 1 and two forming angle plates 2, which are mounted on the supporting base plate 1. An arc plate 3 is provided at the film inlet end of the supporting base plate 1, as shown in the image. Figure 3 As shown, the front edge 30 of the arc plate 3 has a straight edge 300 in the middle and arc edges 301 on both sides. There is a distance between the front edge 30 of the arc plate 3 and the front end 20 of the forming angle plate 2, and the front end 20 of the forming angle plate 2 has a height.
[0018] During operation, the packaging film, pulled by the traction wheel assembly 7 (located at the film outlet end of the supporting base plate 1), passes over the front edge 30 of the arc plate 3 and comes above the two forming angle plates 2. Under the action of the upper inclined edges of the two forming angle plates 2, it forms a U-shape. Because the middle position of the front edge 30 of the arc plate 3 is a straight edge 300, and the two sides are arc edges 301, the tension angle of the traction wheel assembly 7 on the packaging film is different at the straight edge 300 and the arc edge 30 (e.g., ...). Figure 3(In the direction of the arrow in the image), the packaging film begins to bend at the straight edge 300 and the arc edge 30, and then gradually forms a U-shape under the action of the forming angle plate 2. After the film comes above the two forming angle plates 2, since there is a distance between the front edge 30 of the arc plate 3 and the front end 20 of the forming angle plate 2, and the front end 20 of the forming angle plate 2 has a height, the packaging film is not subjected to any physical force in the area between the front edge 30 of the arc plate 3 and the front end 20 of the forming angle plate 2. Thus, the film will bend naturally in this area without creases. After the pillow bag is packaged, there are no creases and the appearance is more beautiful.
[0019] To ensure the film wraps around the front edge 30 of the arc plate 3, a balance roller 4 is provided below the arc plate 3, and this balance roller 4 is mounted on a balance roller bracket 5. After the film is rolled out from the film stock, it wraps around the balance roller 4 from below, and then wraps upwards around the front edge 30 of the arc plate 3. This balance roller 4 can adjust the balance of the film, allowing the film to travel towards the forming station with a balanced surface.
[0020] To adjust the position of the balance roller 4, a first front-to-back elongated hole 50 extending front and back is provided on the balance roller bracket 5, and the roller shaft 40 of the balance roller 4 is installed in the first front-to-back elongated hole 50. By adjusting the position of the roller shaft 40 of the balance roller 4 in the first front-to-back elongated hole 50, the position of the balance roller 4 is adjusted, thereby adjusting the balance of the film.
[0021] like Figure 1 As shown, the forming angle plate 2 is connected to the supporting base plate 1 via an L-shaped connecting seat 6, as... Figure 2 As shown, the first connecting plate 61 of the connecting seat 6 is connected to the forming angle plate 2, and the second connecting plate 62 of the connecting seat 6 is connected to the supporting base plate 1. In this way, the forming angle plate 2 is connected to the supporting base plate 1. Of course, the forming angle plate 2 can also be connected to the supporting base plate 1 in other ways, or it can be integrally formed with the supporting base plate 1.
[0022] To facilitate adjustment of the vertical height of the forming angle plate 2, such as Figure 2 As shown, the first connecting plate 61 of the connecting seat 6 has vertically extending elongated holes 610, and a first bolt is installed in the elongated holes 610. The first bolt is connected to the forming angle plate 2. By moving the vertical position of the forming angle plate 2 and then tightening the first bolt, the vertical height of the forming angle plate 2 can be adjusted to meet the forming requirements of pillow bags of different sizes.
[0023] To facilitate adjustment of the left and right positions of the forming angle plate 2, such as Figure 1As shown, the support base plate 1 has a first left-right elongated hole 10 extending left and right. A second bolt is installed in the first left-right elongated hole 10, and the second bolt is connected to the second connecting plate 62 of the connecting seat 6. By moving the left and right positions of the forming angle plate 2 and the connecting seat 6, and then tightening the second bolt, the left and right positions of the forming angle plate 2 can be adjusted to meet the forming requirements of pillow bags of different sizes.
[0024] To facilitate adjustment of the front and rear positions of the forming angle plate 2, such as Figure 2 As shown, the second connecting plate 62 of the connecting seat 6 is provided with a second front-to-back elongated hole 620 extending front and back, and the second bolt passes through the second front-to-back elongated hole 620. By moving the front and back positions of the forming angle plate 2 and the connecting seat 6, and then tightening the second bolt, the front and back positions of the forming angle plate 2 can be adjusted to meet the forming requirements of pillow bags of different sizes.
[0025] To facilitate adjustment of the left and right position of the arc plate 3, a second elongated hole 31 extending left and right is provided on the arc plate 3. A third bolt is installed in the second elongated hole 31, and the third bolt is connected to the support base plate 1. By moving the left and right position of the arc plate 3 and then tightening the third bolt, the left and right position of the arc plate 3 can be adjusted.
Claims
1. A pillow-type packaging film crease-free forming device, comprising a supporting base plate (1) and two forming angle plates (2), the two forming angle plates (2) being mounted on the supporting base plate (1), characterized in that: The support base plate (1) has an arc plate (3) at the film inlet end. The front edge (30) of the arc plate (3) has a straight edge (300) in the middle and arc edges (301) on both sides. There is a distance between the front edge (30) of the arc plate (3) and the front end (20) of the forming angle plate (2). The front end (20) of the forming angle plate (2) has a height.
2. The pillow-type packaging film crease-free forming device according to claim 1, characterized in that: A balance roller (4) is provided below the arc plate (3), and the balance roller (4) is mounted on the balance roller bracket (5).
3. The pillow-type packaging film crease-free forming device according to claim 2, characterized in that: The balance roller bracket (5) is provided with a first front and rear elongated hole (50) extending front and rear, and the roller shaft (40) of the balance roller (4) is installed in the first front and rear elongated hole (50).
4. The pillow-type packaging film crease-free forming device according to claim 1, characterized in that: The forming angle plate (2) is connected to the supporting base plate (1) through an L-shaped connecting seat (6). The first connecting plate (61) of the connecting seat (6) is connected to the forming angle plate (2), and the second connecting plate (62) of the connecting seat (6) is connected to the supporting base plate (1).
5. The pillow-type packaging film crease-free forming device according to claim 4, characterized in that: The first connecting plate (61) of the connecting seat (6) has upper and lower elongated holes (610) extending vertically. A first bolt is provided in the upper and lower elongated holes (610), and the first bolt is connected to the forming angle plate (2).
6. The pillow-type packaging film crease-free forming device according to claim 4, characterized in that: The supporting base plate (1) is provided with a first left and right elongated hole (10) extending left and right. A second bolt is provided in the first left and right elongated hole (10). The second bolt is connected to the second connecting plate (62) of the connecting seat (6).
7. The pillow-type packaging film crease-free forming device according to claim 6, characterized in that: The second connecting plate (62) of the connecting seat (6) is provided with a second front and rear elongated hole (620) extending front and rear, and the second bolt passes through the second front and rear elongated hole (620).
8. The pillow-type packaging film crease-free forming device according to claim 1, characterized in that: The arc plate (3) is provided with a second left and right elongated hole (31) extending left and right. A third bolt is provided in the second left and right elongated hole (31), and the third bolt is connected to the support base plate (1).
9. The pillow-type packaging film crease-free forming device according to claim 1, characterized in that: The support base plate (1) is provided with a traction wheel set (7) at the membrane outlet end.