Edge cutting device for EVA (Ethylene Vinyl Acetate) waterproof plate production

The trimming device with a U-shaped frame and clamping mechanism addresses the issue of uneven cuts by using adjustable cutting knives and pressing rollers to achieve stable and precise edge cutting of EVA waterproof boards.

CN222290337UActive Publication Date: 2025-01-03GUANGXI TUOYUAN NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202421175139.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-01-03
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

Existing trimming devices for EVA waterproof boards lack a pressing function, leading to loose rolling and uneven cuts during the trimming process, affecting the quality of the edges.

Method used

A trimming device with a U-shaped frame, clamping mechanism, and control box, featuring adjustable cutting knives, clamping mechanisms with pressing rollers, and a lifting electric rod to ensure compact rolling and precise edge cutting of EVA waterproof boards.

Benefits of technology

The device enables compact rolling and improves the trimming quality of EVA waterproof boards by ensuring even cuts and stable edge processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of EVA waterproof board processing, in particular to an edge cutting device for EVA waterproof board production. According to the technical scheme, the device comprises a U-shaped frame, a cutting table, a pressing mechanism and a control box, a steering roller, a U-shaped limiting seat and the U-shaped frame are sequentially installed on the upper surface of the cutting table from left to right, a limiting lead screw is spirally connected to the middle of the U-shaped edge of the front face of the U-shaped limiting seat, polished rods are symmetrically and slidably installed at the two ends of the U-shaped limiting seat, and a limiting plate is jointly installed at one ends of the inner sides of the two polished rods; two pressing mechanisms are symmetrically installed on the two U-shaped edges of the U-shaped frame, a lifting electric rod is installed in the middle of the top of a cross beam of the U-shaped frame, two light columns are symmetrically and slidably installed at the two ends of the cross beam of the U-shaped frame, and a mounting base is jointly installed at the extending end of the lifting electric rod and the lower ends of the two light columns; two tool aprons are symmetrically mounted at the bottom of the mounting base, and cutting knives are fixed in the two tool aprons. According to the edge cutting device, the EVA waterproof board is wound compactly for edge cutting, and the edge cutting quality of the EVA waterproof board is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of EVA waterproof board processing, in particular to a trimming device for producing EVA waterproof boards. Background Art

[0002] Waterproof sheet is an anti-seepage material made of high molecular polymer as the basic raw material. It can prevent liquid leakage and gas volatilization. It is used in homes, buildings, transportation, subways, tunnels, and engineering construction. EVA waterproof sheet is one of the important waterproof sheets. EVA waterproof sheet needs to be cut on both sides during processing.

[0003] The existing trimming device for producing EVA waterproof boards does not have a pressing function, which causes the EVA waterproof boards to be loose when they are rolled up and trimmed, resulting in uneven cuts on the edges of the EVA waterproof boards, affecting the trimming quality of the EVA waterproof boards. Utility Model Content

[0004] The utility model aims to provide a trimming device for the production of EVA waterproof boards, which has the advantages of compactly rolling up the EVA waterproof boards for trimming, improving the trimming quality of the EVA waterproof boards, and solving the problems mentioned in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a trimming device for the production of EVA waterproof boards, comprising a U-shaped frame, a cutting table, a clamping mechanism and a control box, wherein a steering roller, a U-shaped limit seat and a U-shaped frame are sequentially installed on the upper surface of the cutting table from left to right, a limit screw rod is spirally connected to the middle of the U-shaped edge on the front side of the U-shaped limit seat, and light rods are symmetrically slidably installed at both ends, a limit plate is commonly installed at one end of the inner sides of the two light rods, one end of the inner side of the limit screw rod is fixed on the limit plate through a bearing seat, and a knob is installed at the outer end, two clamping mechanisms are symmetrically installed on the left and right sides of the two U-shaped edges of the U-shaped frame, a lifting electric rod is installed in the middle of the top of the U-shaped frame beam, and two light columns are symmetrically slidably installed at both ends of the beam, a mounting seat is commonly installed at the protruding end of the lifting electric rod and the lower ends of the two light columns, two knife seats are symmetrically installed at the bottom of the mounting seat, and cutting knives are fixed in the two knife seats by screws.

[0006] Preferably, four supporting legs are installed in a rectangular array at the four corners of the bottom end of the cutting table, and a reinforcing rod is installed between the lower ends of the four supporting legs. By installing the reinforcing rod between the lower ends of the four supporting legs, the supporting strength of the four supporting legs is increased.

[0007] Preferably, the clamping mechanism is composed of two fixed blocks, two clamping electric rods, a mounting plate, a pressure roller and a support roller. The two fixed blocks are symmetrically mounted on the U-shaped edge of the U-shaped frame. The tops of the two fixed blocks are equipped with clamping electric rods. The protruding ends of the two clamping electric rods are jointly equipped with a mounting plate. The bottom of the mounting plate is equipped with a pressure roller. The support roller is installed on the U-shaped edge of the U-shaped frame through a support and is located directly below the pressure roller. By setting up the clamping mechanism, the EVA waterproof board can be rolled up compactly for trimming.

[0008] Preferably, the distance between the two cutting knives is designed to be movable and adjustable. By setting the distance between the two cutting knives to be designed to be movable and adjustable, the two cutting knives do not need to be adjusted.

[0009] Preferably, a support seat is installed on the upper surface of the cutting table just below the U-shaped frame beam, and the support seat is provided with a cutting groove just below the two cutting knives. By setting the support seat, the EVA waterproof board can be trimmed in cooperation with the cutting knives.

[0010] Preferably, the lower surface of the steering roller, the surface of the U-shaped limit seat, the upper surface of the support roller and the surface of the support seat are flush. By setting the lower surface of the steering roller, the surface of the U-shaped limit seat, the upper surface of the support roller and the surface of the support seat to be flush, the EVA waterproof board can be rolled up evenly.

[0011] Preferably, the control box is installed at the bottom of the cutting table close to the outside of the right support leg, and the control box is electrically connected to the clamping electric rod and the lifting electric rod. By setting the control box, it is convenient to control the start and stop of the clamping electric rod and the lifting electric rod as a whole.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model is provided with two clamping mechanisms. When in use, the clamping electric rods on the two clamping mechanisms are started through the control box. The four clamping electric rods work to drive two pressing rollers to descend and contact the supporting rollers to clamp the EVA waterproof board, thereby realizing the compact rolling of the EVA waterproof board for edge cutting and improving the edge cutting quality of the EVA waterproof board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a partial side view of the utility model;

[0016] Figure 3 It is a top view of the upper surface structure of the U-shaped limit seat of the utility model.

[0017] In the figure: 1. U-shaped frame; 2. Support roller; 3. Cutting table; 4. U-shaped limit seat; 5. Support leg; 6. Steering roller; 7. Light rod; 8. Knob; 9. Pressing roller; 10. Mounting plate; 11. Fixing block; 12. Clamping electric rod; 13. Lifting electric rod; 14. Light column; 15. Control box; 16. Mounting seat; 17. Knife seat; 18. Cutting knife; 19. Support seat; 20. Limit screw rod; 21. Limit plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to 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 the embodiments. Based on the embodiments in 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.

[0019] See also Figures 1 to 3 The utility model provides a technical solution for a trimming device for producing EVA waterproof boards: a trimming device for producing EVA waterproof boards, comprising a U-shaped frame 1, a cutting table 3, a clamping mechanism and a control box 15, four supporting legs 5 are installed in a rectangular array at the four corners of the bottom end of the cutting table 3, a reinforcing rod is installed between the lower ends of the four supporting legs 5, a steering roller 6, a U-shaped limiting seat 4 and a U-shaped frame 1 are installed on the upper surface of the cutting table 3 from left to right, a limiting screw rod 20 is spirally connected to the middle of the U-shaped edge of the front side of the U-shaped limiting seat 4, Polish rods 7 are symmetrically and slidably installed at both ends, and a limit plate 21 is installed together at one end of the inner side of the two polish rods 7. One end of the inner side of the limit screw 20 is fixed on the limit plate 21 through a bearing seat, and a knob 8 is installed on the outer end. When in use, the EVA waterproof board is passed through the lower surface of the steering roller 6, the U-shaped limit seat 4, and the U-shaped frame 1 and fixed on the external winding mechanism. First, turn the knob 8. The rotation of the knob 8 drives the limit screw 20 to rotate. The rotation of the limit screw 20 drives the limit plate 21 to move inward to limit the EVA waterproof board.

[0020] Two clamping mechanisms are symmetrically installed on the left and right sides of the two U-shaped sides of the U-shaped frame 1. The clamping mechanism is composed of two fixed blocks 11, two clamping electric rods 12, a mounting plate 10, a pressure roller 9 and a support roller 2. The two fixed blocks 11 are symmetrically installed on the U-shaped side of the U-shaped frame 1. The clamping electric rods 12 are installed on the top of the two fixed blocks 11. The mounting plate 10 is commonly installed on the protruding ends of the two clamping electric rods 12. The bottom of the mounting plate 10 is installed with the pressure roller 9. The support roller 2 is installed on the U-shaped side of the U-shaped frame 1 through a support and is located directly below the pressure roller 9; the clamping electric rods 12 on the two clamping mechanisms are started through the control box 15, and the four clamping electric rods 12 work to drive the two pressure rollers 9 to descend and contact the support roller 2 to clamp the EVA waterproof board, so that the EVA waterproof board can be rolled up compactly for edge cutting.

[0021] A lifting electric rod 13 is installed in the middle of the top of the crossbeam of the U-shaped frame 1, and two light columns 14 are symmetrically slidably installed at both ends of the crossbeam. A mounting seat 16 is installed together at the protruding end of the lifting electric rod 13 and the lower ends of the two light columns 14. Two knife seats 17 are symmetrically installed at the bottom of the mounting seat 16. Cutting knives 18 are fixed in the two knife seats 17 by screws. The spacing between the two cutting knives 18 is designed to be movable and adjustable. A support seat 19 is installed on the upper surface of the cutting table 3 just below the crossbeam of the U-shaped frame 1. The support seat 19 is located just below the two cutting knives 18 and has a cutting groove; the lifting electric rod 13 is started through the control box 15, and the lifting electric rod 13 drives the two cutting knives 18 to enter the two knife grooves of the support seat 19, and the external winding mechanism winds up the EVA waterproof board. During the winding process, the two cutting knives 18 on both sides of the EVA waterproof board are trimmed. The lower surface of the steering roller 6, the surface of the U-shaped limit seat 4, the upper surface of the support roller 2 and the surface of the support seat 19 are flush. The control box 15 is installed at the bottom of the cutting table 3 close to the outer side of the right support leg 5. The control box 15 is electrically connected to the clamping electric rod 12 and the lifting electric rod 13.

[0022] When the utility model is used, the EVA waterproof board is passed through the lower surface of the steering roller 6, the U-shaped limit seat 4, and the U-shaped frame 1 and fixed on the external winding mechanism, and the knob 8 is rotated first. The rotation of the knob 8 drives the limit screw 20 to rotate, and the rotation of the limit screw 20 drives the limit plate 21 to move inward to limit the EVA waterproof board, and then the clamping electric rods 12 on the two clamping mechanisms are started through the control box 15. The four clamping electric rods 12 work to drive the two pressing rollers 9 to descend and contact the supporting rollers 2 to clamp the EVA waterproof board, and finally the lifting electric rod 13 is started through the control box 15. The lifting electric rod 13 works to drive the two cutting knives 18 to enter the two knife grooves of the supporting seat 19, and the external winding mechanism rolls up the EVA waterproof board. During the rolling process, the two sides of the EVA waterproof board are backed by two cutting knives 18 for edge cutting.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trimming device for producing EVA waterproof board, comprising a U-shaped frame (1), a cutting table (3), a pressing mechanism and a control box (15), characterized in that: The upper surface of the cutting table (3) is provided with a steering roller (6), a U-shaped limit seat (4) and a U-shaped frame (1) in sequence from left to right. A limit screw rod (20) is spirally connected in the middle of the U-shaped edge of the front side of the U-shaped limit seat (4), and two ends of the light rod (7) are symmetrically slidably installed. A limit plate (21) is commonly installed at one end of the inner side of the two light rods (7). One end of the inner side of the limit screw rod (20) is fixed on the limit plate (21) through a bearing seat, and a knob (8) is installed at the outer end. Two clamping mechanisms are symmetrically installed on the left and right sides of the two U-shaped edges of the U-shaped frame (1). A lifting electric rod (13) is installed in the middle of the top of the cross beam of the U-shaped frame (1), and two light columns (14) are symmetrically slidably installed at both ends of the cross beam. A mounting seat (16) is commonly installed at the protruding end of the lifting electric rod (13) and the lower ends of the two light columns (14). Two knife seats (17) are symmetrically installed at the bottom of the mounting seat (16), and cutting knives (18) are fixed in the two knife seats (17) by screws.

2. The trimming device for producing EVA waterproof board according to claim 1, characterized in that: Four supporting legs (5) are installed in a rectangular array at the four corners of the bottom end of the cutting table (3), and a reinforcing rod is installed between the lower ends of the four supporting legs (5).

3. The trimming device for producing EVA waterproof board according to claim 1, characterized in that: The clamping mechanism is composed of two fixed blocks (11), two clamping electric rods (12), a mounting plate (10), a pressure roller (9) and a support roller (2); the two fixed blocks (11) are symmetrically mounted on the U-shaped edge of the U-shaped frame (1); the tops of the two fixed blocks (11) are mounted with the clamping electric rods (12); the protruding ends of the two clamping electric rods (12) are jointly mounted with the mounting plate (10); the bottom of the mounting plate (10) is mounted on the pressure roller (9); and the support roller (2) is mounted on the U-shaped edge of the U-shaped frame (1) through a support and is located directly below the pressure roller (9).

4. The trimming device for producing EVA waterproof board according to claim 1, characterized in that: The distance between the two cutting knives (18) is designed to be movable and adjustable.

5. The trimming device for producing EVA waterproof board according to claim 2, characterized in that: A support seat (19) is installed on the upper surface of the cutting table (3) directly below the crossbeam of the U-shaped frame (1); the support seat (19) is located directly below the two cutting knives (18) and is provided with a cutting groove.

6. The trimming device for producing EVA waterproof board according to claim 1, characterized in that: The lower surface of the steering roller (6), the surface of the U-shaped limiting seat (4), the upper surface of the supporting roller (2) and the surface of the supporting seat (19) are flush.

7. The trimming device for producing EVA waterproof board according to claim 1, characterized in that: The control box (15) is installed at the bottom of the cutting table (3) close to the outer side of the right support leg (5), and the control box (15) is electrically connected to the pressing electric rod (12) and the lifting electric rod (13).