CN212241268U - Vertical cutting mechanism for EVA (ethylene vinyl acetate) sheet - Google Patents

Abstract

The utility model discloses a vertical mechanism that cuts for EVA sheet, set up workstation in the frame, be located including sliding the sword area frame of workstation one side. The EVA sheet cutting machine is characterized in that a cutting knife belt used for cutting an EVA sheet is arranged on the knife belt base, and a knife groove matched with the cutting knife belt is arranged on the workbench. The workbench is also provided with a limiting mechanism for limiting the position of the EVA sheet, and the limiting mechanism comprises a first limiting assembly and a second limiting assembly which are respectively positioned at two sides of the cutter groove. The first limiting assembly comprises a pair of side baffles which are perpendicular to the cutter grooves, a first driving piece which drives the side baffles to move oppositely or reversely is arranged at the lower ends of the side baffles, and an accommodating area which is matched with the width of an EVA sheet is limited and formed between the side baffles. The utility model discloses an improve the structure that cuts the mechanism, avoided the skew of EVA sheet cutting in-process, and then improved cutting efficiency.

Description

Vertical cutting mechanism for EVA (ethylene vinyl acetate) sheet

Technical Field

The utility model relates to a EVA panel processing field especially relates to a vertical mechanism that cuts for EVA sheet.

Background

The EVA sheet is prepared by taking EVA, low-density polyethylene, foaming agent and the like as raw materials, carrying out banburying, carrying out mould pressing foaming in a high-temperature foaming furnace to form a thick sheet, and carrying out shaping, splitting, post-treatment and the like. In the course of working of EVA sheet, often adopt vertical cutting mechanism to divide the strip cutting to it, but current vertical cutting mechanism lacks effectual limit structure, and when cutting the EVA sheet, the EVA sheet is easily received the cutter effect and is taken place the skew, leads to all needing readjustment EVA sheet's position after cutting at every turn, and cutting efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide a vertical mechanism that cuts for EVA sheet has avoided the skew of EVA sheet cutting in-process through improving the structure of cutting the mechanism, and then has improved cutting efficiency.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a vertical mechanism that cuts for EVA sheet, includes that the slip sets up workstation in the frame, is located the sword area frame of workstation one side. The EVA sheet cutting machine is characterized in that a cutting knife belt used for cutting an EVA sheet is arranged on the knife belt base, and a knife groove matched with the cutting knife belt is arranged on the workbench. The workbench is also provided with a limiting mechanism for limiting the position of the EVA sheet, and the limiting mechanism comprises a first limiting assembly and a second limiting assembly which are respectively positioned at two sides of the cutter groove. The first limiting assembly comprises a pair of side baffles which are perpendicular to the cutter grooves, a first driving piece which drives the side baffles to move oppositely or reversely is arranged at the lower ends of the side baffles, and an accommodating area which is matched with the width of an EVA sheet is limited and formed between the side baffles.

The beneficial effects of the utility model reside in that: the first limiting assembly and the second limiting assembly are respectively arranged on two sides of the cutter groove, so that bilateral synchronous limiting of the part to be cut of the EVA is realized, and deviation of the EVA sheet on any side during cutting is avoided; when the EVA sheet is pushed to move continuously towards the cutter groove after cutting is finished, the movement of the EVA sheet can be limited through the arrangement of the pair of side baffles, so that the EVA sheet is prevented from deviating in the moving process; in addition, the side baffle has been realized moving in opposite directions or dorsad through setting up of a driving piece, and then makes the accommodation area can with the EVA sheet looks adaptation of different width, enlarges the application scope that vertical mechanism of cutting. The utility model discloses a vertical mechanism that cuts has avoided the skew of EVA sheet cutting in-process, and then has improved cutting efficiency.

Further, the workbench is provided with slots corresponding to the side baffles one to one. The first driving piece comprises a driving rack fixedly connected to the lower end of the workbench, a bidirectional screw rod arranged along the moving direction of the side baffle penetrates through the driving rack, and a pair of nut seats with opposite moving directions are sleeved on the bidirectional screw rod. The upper ends of the nut seats respectively penetrate through the open grooves and are connected with the side baffle plates. The moving range of the side baffle is limited by the arrangement of the slots corresponding to the side baffles one by one, and the pair of nut seats are driven to synchronously and reversely move by the bidirectional screw rod so as to drive the side baffles to synchronously and reversely move.

Further, a guide rod arranged in parallel with the bidirectional screw rod is fixedly connected to the driving rack, and a through hole for the guide rod to penetrate through is formed in the nut seat. The stability of the nut seat in the moving process is improved through the arrangement of the guide rod.

Further, one end of the side baffle abuts against the edge of the knife groove.

Further, the second limiting assembly comprises a pressing plate arranged in parallel with the cutter groove, the upper end of the pressing plate is connected with a second driving piece for driving the pressing plate to move up and down, and the lower end of the pressing plate is provided with a pressing surface for pressing the EVA sheet. Move down through driving piece drive clamp plate No. two, and then realize pressing the face and support to press the EVA sheet on, realize spacing to the EVA sheet.

Furthermore, the second driving part comprises a pair of vertical rods, each vertical rod is provided with a transverse base plate, the upper end of each transverse base plate is fixedly connected with a driving cylinder, and a piston rod of each driving cylinder penetrates through each transverse base plate and is connected with the pressing plate. The arrangement of the two driving cylinders improves the up-and-down moving stability of the pressing plate.

Further, the workbench is further provided with a pair of slide rails perpendicular to the cutter grooves, the slide rails are provided with a movable plate driven by a linear motor in a sliding manner, and one side of the movable plate close to the cutter grooves is provided with a push plate capable of abutting against the EVA sheet. The EVA sheet to be cut is placed on one side, close to the cutter groove, of the push plate, the linear motor is started to drive the movable plate to move along the sliding rail, the movable plate drives the push plate to move, the EVA sheet is further pushed to move towards the cutter groove, and automatic conveying of the EVA sheet is achieved.

Drawings

Fig. 1 is a front view of an embodiment of the present invention;

FIG. 2 is a partial enlarged view of portion A of FIG. 1;

fig. 3 is a top view of an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a driving member according to an embodiment of the present invention.

In the figure:

1-a frame; 2-a workbench; 21-a knife slot; 22-slotting; 23-a slide rail; 3-cutter belt machine base; 31-cutting the knife band; 4-a first limiting component; 41-side baffle; 42-a driving piece; 421-a drive frame; 422-bidirectional screw rod; 423-servo motor; 424-nut seat; 425-a guide bar; 5-second limiting component; 51-a platen; 511-abutment surface; 52-vertical rod; 53-lateral substrate; 54-a driving cylinder; 6, moving a board; 7-push plate.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-3, the utility model discloses a vertical mechanism that cuts for EVA sheet, including slide setting workstation 2 on frame 1, be located the sword area frame 3 of workstation 2 one side. The cutter belt base 3 is provided with a cutter belt 31 for cutting EVA sheets, and the workbench 2 is provided with a cutter groove 21 matched with the cutter belt 31. The workbench 2 is also provided with a limiting mechanism for limiting the position of the EVA sheet, and the limiting mechanism comprises a first limiting component 4 and a second limiting component 5 which are respectively positioned at two sides of the cutter groove 21. The first limiting assembly 4 comprises a pair of side baffles 41 which are arranged perpendicular to the knife groove 21, a first driving element 42 which drives the pair of side baffles 41 to move towards or away from each other is arranged at the lower ends of the pair of side baffles 41 together, a containing area matched with the width of an EVA (ethylene vinyl acetate) sheet is defined between the pair of side baffles 41, and one end of each side baffle 41 abuts against the edge of the knife groove 21.

The first limiting component 4 and the second limiting component 5 are respectively arranged on two sides of the cutter groove 21, so that bilateral synchronous limiting of the part to be cut of the EVA is realized, and deviation of the EVA sheet on any side during cutting is avoided; when the cutting is finished and the EVA sheet is pushed to move continuously towards the cutter groove 21, the movement of the EVA sheet can be limited through the arrangement of the pair of side baffles 41, so that the EVA sheet is prevented from deviating in the moving process; in addition, the side baffle plates 41 move in opposite directions or back to back through the arrangement of the first driving piece 42, so that the accommodating area can be matched with EVA sheets with different widths, and the application range of the vertical cutting mechanism is expanded.

Specifically, referring to fig. 3 to 4, the worktable 2 is provided with slots 22 corresponding to the side guards 41 one to one. The first driving part 42 comprises a driving frame 421 fixedly connected to the lower end of the workbench 2, a bidirectional screw rod 422 arranged along the moving direction of the side baffle 41 penetrates through the driving frame 421, one end of the bidirectional screw rod 422 is connected with a servo motor 423 fixedly connected to the driving frame 421, and a pair of nut seats 424 with opposite moving directions are sleeved on the bidirectional screw rod 422. The upper ends of the pair of nut seats 424 are respectively inserted through the slots 22 and connected to the side guards 41. The moving range of the side baffle 41 is limited by the arrangement of the slots 22 corresponding to the side baffles 41 one by one, and the pair of nut seats 424 can be driven by the bidirectional screw 422 driven by the servo motor 423 to synchronously move in the opposite directions, so that the pair of side baffles 41 are driven to synchronously move in the opposite directions.

In order to improve the stability of the nut seat 424 in the moving process, a guide rod 425 parallel to the bidirectional screw 422 is fixedly connected to the driving frame 421, and a through hole for the guide rod 425 to penetrate through is formed in the nut seat 424.

Referring to fig. 2, the second limiting assembly 5 includes a pressing plate 51 disposed parallel to the knife slot 21, the upper end of the pressing plate 51 is connected to a second driving element for driving the pressing plate to move up and down, and the lower end is provided with a pressing surface 511 for pressing against the EVA sheet. The second driving element comprises a pair of vertical rods 52 arranged in the vertical direction, and a transverse base plate 53 is arranged on each vertical rod 52. A driving cylinder 54 is fixedly connected to the upper end of the transverse base plate 53, and a piston rod of the driving cylinder 54 penetrates through the transverse base plate 53 and is connected with the pressing plate 51. The two drive cylinders 54 can drive the platen 51 to move up or down synchronously. When the EVA sheet moves to the working area of the cutter groove 21, the driving air cylinder 54 is started to drive the pressing plate 51 to move downwards until the pressing surface 511 presses against the EVA sheet, so that the EVA sheet is limited; at this time, the pushing table 2 moves along the frame 1, so that the cutter belt 31 can cut the EVA sheet along the cutter groove 21.

Referring to fig. 3, the workbench 2 is further provided with a pair of slide rails 23 perpendicular to the knife slot 21, a moving plate 6 driven by a linear motor is slidably arranged on the slide rails 23, and a push plate 7 capable of abutting against an EVA sheet is arranged on one side of the moving plate 6 close to the knife slot 21. The EVA sheet to be cut is placed on one side, close to the cutter groove 21, of the push plate 7, the linear motor is started to drive the moving plate 6 to move along the sliding rail 23, the moving plate 6 drives the push plate 7 to move, the EVA sheet is further pushed to move towards the cutter groove 21, and automatic conveying of the EVA sheet is achieved.

The matching between the workbench 2 and the frame 1 is the prior art, and is not described in detail in this embodiment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims (7)

1. A vertical cutting mechanism for EVA sheets comprises a workbench (2) arranged on a rack (1) in a sliding manner, and a cutter belt base (3) positioned on one side of the workbench (2); a cutting knife belt (31) for cutting EVA sheets is arranged on the knife belt base (3), and a knife groove (21) matched with the cutting knife belt (31) is arranged on the workbench (2); the method is characterized in that: the workbench (2) is also provided with a limiting mechanism for limiting the position of the EVA sheet, and the limiting mechanism comprises a first limiting component (4) and a second limiting component (5) which are respectively positioned at two sides of the cutter groove (21); the first limiting assembly (4) comprises a pair of side baffles (41) which are perpendicular to the cutter groove (21), a first driving piece (42) which drives the side baffles (41) to move oppositely or reversely is arranged at the lower ends of the side baffles (41), and an accommodating area which is matched with the width of an EVA (ethylene vinyl acetate) sheet is limited and formed between the side baffles (41).

2. The cutting mechanism according to claim 1, characterized in that: the workbench (2) is provided with slots (22) which correspond to the side baffles (41) one by one; the first driving part (42) comprises a driving rack (421) fixedly connected to the lower end of the workbench (2), a bidirectional screw rod (422) distributed along the moving direction of the side baffle (41) penetrates through the driving rack (421), and a pair of nut seats (424) with opposite moving directions are sleeved on the bidirectional screw rod (422); the upper ends of the pair of nut seats (424) respectively penetrate through the slots (22) and are connected with the side baffle plates (41).

3. The cutting mechanism according to claim 2, characterized in that: the driving rack (421) is also fixedly connected with a guide rod (425) which is arranged in parallel with the bidirectional screw rod (422), and the nut seat (424) is provided with a through hole for the guide rod (425) to pass through.

4. A cutting mechanism according to any one of claims 1-3, characterized in that: one end of the side baffle (41) is abutted to the edge of the cutter groove (21).

5. The cutting mechanism according to claim 4, characterized in that: the second limiting assembly (5) comprises a pressing plate (51) arranged in parallel with the cutter groove (21), the upper end of the pressing plate (51) is connected with a second driving piece for driving the pressing plate to move up and down, and the lower end of the pressing plate is provided with a pressing surface (511) for pressing the EVA sheet.

6. The cutting mechanism according to claim 5, characterized in that: the second driving piece comprises a pair of vertical rods (52), each vertical rod (52) is provided with a transverse base plate (53), the upper end of each transverse base plate (53) is fixedly connected with a driving cylinder (54), and a piston rod of each driving cylinder (54) penetrates through each transverse base plate (53) and is connected with the pressing plate.

7. The cutting mechanism according to claim 1, characterized in that: the EVA sheet material cutting machine is characterized in that a pair of sliding rails (23) perpendicular to the cutter grooves (21) are further arranged on the workbench (2), a moving plate (6) driven by a linear motor is arranged on the sliding rails (23) in a sliding mode, and a pushing plate (7) capable of being abutted to an EVA sheet material is arranged on one side, close to the cutter grooves (21), of the moving plate (6).

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