CN219486353U

CN219486353U - Material cutting device for casting film production

Info

Publication number: CN219486353U
Application number: CN202320519335.9U
Authority: CN
Inventors: 张宏辉; 章文忠; 夏志卿
Original assignee: Changzhou Weierfu Sanitary Products Co ltd
Current assignee: Changzhou Weierfu Sanitary Products Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-08
Anticipated expiration: 2033-03-17

Abstract

The utility model belongs to the technical field of casting film production, in particular to a material cutting device for casting film production. According to the utility model, the tensioning mechanism is arranged, when the casting film is required to be cut off, the first motor is driven to drive the two groups of moving frames to move in opposite directions through the bidirectional screw rod, the casting film on the cylinder can contact with the soft cushion ring on the rotary drum due to the opposite movement of the two groups of cylinders, the casting film is limited by the soft cushion ring and the cylinders together along with the continuous movement of the cylinders, part of the casting film between the two groups of cylinders can be tensioned gradually, at the moment, the second motor can be driven to drive the cutting blade on the moving block to move through the unidirectional screw rod, the casting film is cut through the cutting blade, and the casting film can be cut more conveniently after being tensioned.

Description

Material cutting device for casting film production

Technical Field

The utility model relates to the technical field of casting film production, in particular to a material cutting device for casting film production.

Background

Cast film is a non-stretched, non-oriented cast film produced by melt casting and quenching. There are two modes of single-layer casting and multi-layer co-extrusion casting. Compared with film blowing, the film blowing machine has the characteristics of high production speed, high yield, extremely excellent transparency, glossiness, thickness uniformity and the like of films, and most common cast films are rolled and stored through a cylinder and need to be cut after being rolled to a certain weight.

In the prior art, when the casting film is cut, the casting film is easily contracted in the cutting process due to the elasticity of the casting film, and the cutting effect is affected.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a material cutting device for casting film production, which is used for solving the problems that when the casting film is cut, the casting film is easily contracted in the cutting process and the cutting effect is affected due to the elasticity of the casting film.

The utility model provides a curtain coating membrane production is with disconnected material device, includes the workstation, installs the straining device and cuts the subassembly on the workstation, straining device includes pivot, connecting plate, spring, rotary drum, soft packing ring, removes frame, drum, first motor and two-way lead screw, the pivot be two sets of rotation install in workstation both sides face, the spring install in the pivot with between the workstation, the rotary drum passes through the connecting plate install in the pivot, soft packing ring snare is located the rotary drum outer wall, remove the frame be two sets of slide respectively in on the workstation and be located two sets of below of pivot respectively, remove and be equipped with the drum on the frame, two-way lead screw runs through two sets of remove the frame, its one end with install the first motor output fixed connection on the workstation.

By adopting the technical scheme, the casting film can be tensioned for cutting.

The cutting assembly comprises a unidirectional screw rod, a second motor, a moving block and a cutting blade, wherein the unidirectional screw rod is arranged in a fixing frame fixed on a workbench, the second motor is arranged on the fixing frame, the output end of the second motor is fixedly connected with the unidirectional screw rod, the moving block is arranged on the unidirectional screw rod and slides in the fixing frame, and the cutting blade is fixedly arranged on the moving block.

By adopting the technical scheme, the casting film is convenient to cut.

The fixing frames are arranged at the middle positions of the two groups of moving frames.

By adopting the technical scheme, the casting film is cut.

The length of the soft cushion ring is larger than that of the cylinder, the diameter of the cylinder is larger than that of the width of the movable frame, and the diameter of the rotary cylinder is larger than that of the connecting plate.

By adopting the technical scheme, the soft gasket can clamp the casting film between the rotary drum and the cylinder, so that the casting film can be stretched conveniently, and the subsequent material breaking treatment can be performed.

The rotary drum and the cylinder are arranged in parallel.

By adopting the technical scheme, the casting film is convenient to clamp.

The material cutting device for casting film production has the beneficial effects that:

through setting up straining device, when needing to cut out the flow time delay membrane, drive first motor drives two sets of movable frame through two-way lead screw and does opposite direction motion, and the curtain coating membrane on the drum can be because of the opposite motion of two sets of drums, contacts the cushion circle on the rotary drum, continues the motion along with the drum to the curtain coating membrane receives soft packing ring and drum to restrict jointly, and its curtain coating membrane of part can be strained between two sets of drums step by step, can drive the second motor and drive the blade motion of cutting on the movable block through one-way lead screw this moment, cuts the curtain coating membrane through cutting the blade, can more convenient cut after the curtain coating membrane of taut.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a material cutting device for producing a casting film;

FIG. 2 is another view of the blanking device for producing the casting film according to the present utility model;

fig. 3 is a diagram showing the position distribution of the movable frame and the fixed frame of the blanking device for producing the casting film.

In the figure: 1. a work table; 2. a rotating shaft; 3. a connecting plate; 4. a spring; 5. a rotating drum; 6. a soft gasket; 7. a moving rack; 8. a cylinder; 9. a first motor; 10. a two-way screw rod; 11. a fixing frame; 12. a unidirectional screw rod; 13. a second motor; 14. a moving block; 15. cutting the blade.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1-3, a material cutting device for casting film production comprises a workbench 1, a tensioning mechanism and a cutting assembly which are arranged on the workbench 1, wherein the tensioning mechanism comprises a rotating shaft 2, a connecting plate 3, springs 4, a rotary drum 5, a soft gasket 6, a movable frame 7, a cylinder 8, a first motor 9 and a bidirectional screw rod 10, the two groups of rotating shafts 2 are respectively rotatably arranged on two side surfaces of the workbench 1, the springs 4 are arranged between the rotating shaft 2 and the workbench 1, the rotary drum 5 is arranged on the rotating shaft 2 through the connecting plate 3, the soft gasket 6 is sleeved on the outer wall of the rotary drum 5, the two groups of movable frames 7 respectively slide on the workbench 1 and are respectively positioned below the two groups of rotating shafts 2, the cylinder 8 is fixedly arranged on the movable frame 7, the bidirectional screw rod 10 penetrates through the two groups of movable frames 7, and one end of the bidirectional screw rod 10 is fixedly connected with the output end of a first motor 9 arranged on the workbench 1;

two groups of bearing seats are arranged on two sides of the upper end part of the workbench 1, the rotating shaft 2 is transversely arranged on the bearing seats, a fixed plate is arranged in the middle of the rotating shaft 2, a spring is arranged on the fixed plate and fixedly connected with the workbench 1, the connecting plates 3 are arranged in two groups and are respectively arranged at two ends of the two groups of the rotating shaft 2, and the rotating drum 5 is fixedly arranged at the lower end part of the two groups of the connecting plates 3 and is arranged in parallel with the rotating shaft 2.

The cutting assembly comprises a unidirectional screw rod 12, a second motor 13, a moving block 14 and a cutting blade 15, wherein the unidirectional screw rod 12 is arranged in a fixed frame 11 fixed on the workbench 1, the second motor 13 is arranged on the fixed frame 11, the output end of the second motor is fixedly connected with the unidirectional screw rod 12, the moving block 14 is arranged on the unidirectional screw rod 12 and slides in the fixed frame 11, and the cutting blade 15 is fixedly arranged on the moving block 14; the fixed frames 11 are arranged at the middle positions of the two groups of movable frames 7;

the highest point of the cutting blade 15 is higher than the highest point of the cylinder 8, and the lowest point of the cutting blade 15 is lower than the highest point of the cylinder 8, that is, the highest point of the cylinder 8 is at the level of the middle of the cutting blade 15, so that the casting film is cut.

The length of the soft gasket 6 is greater than the length of the cylinder 8, the diameter of the cylinder 8 is greater than the width of the mobile frame 7, and the diameter of the drum 5 is greater than the width of the connection plate 3; the rotary drum 5 and the cylinder 8 are arranged in parallel;

the casting film between the through cushion ring 6 and the cylinder 8 is limited along with the continuous movement of the cylinder 8, so that the casting film between the two groups of cylinders 8 can be gradually tensioned, and the subsequent material breaking treatment is facilitated.

Working principle: after the casting film is correctly placed and passes through the two groups of cylinders 8 in a fitting way, when the casting film needs to be cut off, the first motor 9 is driven to drive the two groups of moving frames 7 to move in the opposite direction through the bidirectional screw rod 10, firstly, the casting film on the cylinders 8 can contact with the cushion rings 6 on the cylinders 5 due to the opposite movement of the two groups of cylinders 8, the casting film is limited by the soft gaskets 6 and the cylinders 8 together along with the continuous movement of the cylinders 8, the casting film at the part between the two groups of cylinders 8 can be tensioned gradually, and at the moment, the second motor 13 can be driven to drive the cutting blades 15 on the moving blocks 14 to move through the unidirectional screw rod 12, and the casting film is cut through the cutting blades 15;

it should be noted that: the curtain coating membrane is limited by the soft gasket 6 and the cylinder 8, when the cylinder 8 moves reversely to push the soft gasket 6, the soft gasket 6 receives elastic force from the connecting plate 3 through the rotating shaft 2, so that the soft gasket 6 receives certain resistance when the cylinder 8 pushes, and the curtain coating membrane can be limited by the soft gasket 6 and the cylinder 8 to carry out subsequent material cutting.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a casting membrane production is with breaking device, includes workstation (1), installs straining device and cutting assembly on workstation (1), its characterized in that: the tensioning mechanism comprises a rotating shaft (2), a connecting plate (3), a spring (4), a rotating drum (5), a soft cushion ring (6), a moving frame (7), a cylinder (8), a first motor (9) and a bidirectional screw rod (10), wherein the rotating shaft (2) is rotatably arranged on two groups of two sides of the workbench (1), the spring (4) is arranged between the rotating shaft (2) and the workbench (1), the rotating drum (5) is arranged on the rotating shaft (2) through the connecting plate (3), the soft cushion ring (6) is sleeved on the outer wall of the rotating drum (5), the moving frame (7) is respectively arranged on the workbench (1) and is respectively positioned below the rotating shaft (2), the cylinder (8) is fixedly arranged on the moving frame (7), and the bidirectional screw rod (10) penetrates through the two groups of the moving frame (7) and one end of the bidirectional screw rod is fixedly connected with the output end of the first motor (9) arranged on the workbench (1).

2. The blanking device for producing a casting film according to claim 1, characterized in that: the cutting assembly comprises a unidirectional screw rod (12), a second motor (13), a moving block (14) and a cutting blade (15), wherein the unidirectional screw rod (12) is arranged in a fixing frame (11) fixed on a workbench (1), the second motor (13) is arranged on the fixing frame (11), the output end of the second motor is fixedly connected with the unidirectional screw rod (12), the moving block (14) is arranged on the unidirectional screw rod (12) and slides in the fixing frame (11), and the cutting blade (15) is fixedly arranged on the moving block (14).

3. The blanking device for producing a casting film according to claim 2, characterized in that: the fixing frames (11) are arranged at the middle positions of the two groups of moving frames (7).

4. A blanking device for producing a casting film according to claim 3, characterized in that: the length of the soft cushion ring (6) is larger than that of the cylinder (8), the diameter of the cylinder (8) is larger than that of the moving frame (7), and the diameter of the rotary drum (5) is larger than that of the connecting plate (3).

5. The blanking device for producing a casting film according to claim 4, wherein: the rotary drum (5) and the cylinder (8) are arranged in parallel.