Cutting device for conductive foam

Abstract

The utility model relates to the field of conductive foam cutting, in particular to a conductive foam cutting device which comprises a conveying workbench, a shell, a positioning structure for positioning conductive foam, a cutting assembly for cutting the conductive foam and a lifting mechanism for driving the positioning structure and the cutting assembly to move up and down. The positioning structure comprises a lifting plate which is located in the shell and can move up and down. According to the utility model, the purpose of longitudinally positioning the conductive foam is achieved through forward rotation of the servo motor, rotation of the two-way screw, descending of the lifting plate driven by the movable block and contact of the upper roll shaft and the conductive foam, and meanwhile, the purpose of transversely positioning the conductive foam is achieved by pushing the wedge blocks to move in opposite directions and the positioning rod and the conductive foam through the pressing roll, so that the positioning effect is improved; and deviation, reverse rotation of the servo motor, ascending of the lifting plate, downward movement of the tool rest and entering of the cutting knife into the conveying workbench are prevented, the purpose of protecting the cutting knife can be achieved, and the situation that the cutting knife is exposed to cut people is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of conductive foam cutting, in particular to a conductive foam cutting device. Background Art

[0002] Conductive foam refers to a flame-retardant sponge wrapped with conductive cloth. After a series of treatments, it has good surface conductivity and can be easily fixed on the device to be shielded with adhesive tape. During the processing of conductive foam, it needs to be cut.

[0003] The utility model with the publication number CN210414742U provides a conductive foam cutting device, including a workbench, a No. 1 through hole is provided on the surface of the workbench, a No. 2 through hole is provided on the surface of the workbench on the side of the No. 1 through hole, a bearing seat is fixedly installed at the edge of the No. 2 through hole, a No. 1 motor is fixedly installed on the lower surface of the workbench, a cutting gear is movably installed on the surface of the No. 1 motor, a No. 2 motor is fixedly installed on the lower surface of the workbench on the side of the No. 1 motor, a moving roller is fixedly installed at one end of the No. 2 motor, and a support rod is fixedly installed on the upper surface of the workbench. The conductive foam cutting device described in the utility model can make the cutting smoother, prevent deviation due to its softness, make the cutting more accurate, and prevent a large amount of dust from being mixed into the air and then being inhaled into the lungs by the human body, which is beneficial to protecting the life and health of the workers using it.

[0004] When in use, although there is a movable roller to position the conductive foam longitudinally, it is impossible to position the conductive foam laterally. During the movement, the conductive foam will still deviate, affecting the cutting efficiency.

[0005] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. Utility Model Content

[0006] The purpose of the utility model is to provide a conductive foam cutting device which can effectively solve the above technical problems.

[0007] In order to achieve the purpose of the utility model, the following technical scheme is adopted: a conductive foam cutting device, comprising: a conveying workbench, a shell, a positioning structure for positioning the conductive foam, a cutting assembly for cutting the conductive foam, and a lifting mechanism for driving the positioning structure and the cutting assembly to move up and down, the positioning structure comprising: a lifting plate located inside the shell and movable up and down, a connecting rod symmetrically installed at the bottom end of the lifting plate, an upper roller shaft installed below the connecting rod for limiting the conductive foam, pressure rollers symmetrically installed on both sides of the upper roller shaft, a connecting seat fixedly installed on the conveying workbench below the pressure roller, a moving rod movable left and right installed on the connecting seat, a wedge block fixedly installed on one side of the moving rod, a moving block installed on the other side of the moving rod, a telescopic spring sleeved on the moving rod and located between the moving block and the connecting seat, and a positioning rod installed at the bottom end of the moving block.

[0008] Furthermore, the positioning rod is located between the conveying workbench and the upper roller shaft.

[0009] Furthermore, the cutting assembly includes: a tool holder that is movable up and down in the conveying workbench, a rotatable cutting knife installed inside the tool holder, and a driving motor that drives the cutting knife to rotate.

[0010] Furthermore, the lifting mechanism includes: a rotatable bidirectional screw located in the side wall of the shell, a movable block threadedly connected to the bidirectional screw, and a servo motor driving the bidirectional screw to rotate.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model is a conductive foam cutting device. Through the forward rotation of the servo motor and the rotation of the bidirectional screw, the movable block drives the lifting plate to descend, and the upper roller shaft contacts the conductive foam, thereby achieving the purpose of longitudinal positioning of the conductive foam. At the same time, the pressure roller pushes the wedge blocks to move toward each other, and the positioning rod contacts the conductive foam, thereby achieving the purpose of lateral positioning of the conductive foam, improving the positioning effect, and preventing deviation. The servo motor is reversed, the lifting plate rises, the knife holder moves down, and the cutting knife enters the conveying workbench, which can achieve the purpose of protecting the cutting knife and avoid the cutting knife being exposed to the outside and cutting people. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0013] Figure 1 This is a front view structural schematic diagram of the utility model;

[0014] Figure 2 This is a schematic diagram of the top view of the positioning structure of the utility model;

[0015] Figure 3This is a schematic diagram of the front view structure of the positioning structure of the utility model;

[0016] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.

[0017] In the figure: 1. conveying workbench; 2. shell; 3. positioning structure; 301. lifting plate; 302. pressure roller; 303. wedge block; 304. connecting rod; 305. fastening bolt; 306. upper roller shaft; 307. moving rod; 308. telescopic spring; 309. moving block; 310. positioning rod; 311. locking bolt; 312. connecting seat; 4. cutting assembly; 401. cutting knife; 402. knife holder; 403. driving motor; 5. lifting mechanism; 501. movable block; 502. bidirectional screw; 503. servo motor. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below. Obviously, the described embodiments are partial embodiments of the utility model, rather than all embodiments.

[0019] In the description of the present utility model, it should be understood that the terms "center", "lateral", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present utility model. When a mechanism is referred to as being "fixed to" another mechanism, it may be directly on the other mechanism or there may also be a centered mechanism. When a mechanism is considered to be "connected to" another mechanism, it may be directly connected to the other mechanism or there may be a centered mechanism at the same time. When a mechanism is considered to be "set on" another mechanism, it may be directly set on the other mechanism or there may be a centered mechanism at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] like Figures 1 to 4 As shown, the utility model is a conductive foam cutting device, comprising: a conveying workbench 1, a shell 2, a positioning structure 3 for positioning the conductive foam, a cutting component 4 for cutting the conductive foam, and a lifting mechanism 5 for driving the positioning structure 3 and the cutting component 4 to move up and down.

[0021] The positioning structure 3 includes: a lifting plate 301 located inside the shell 2 and movable up and down, a connecting rod 304 symmetrically installed at the bottom end of the lifting plate 301, rotatable fastening bolts 305 installed at both ends of the connecting rod 304, and screw holes matching the fastening bolts 305 are symmetrically arranged at different positions on the surface of the connecting rod 304. The fastening bolts 305 are screwed into the screw holes at different positions to adjust the height of the upper roller shaft 306.

[0022] An upper roller shaft 306 for limiting the conductive foam is installed under the connecting rod 304, and pressure rollers 302 are symmetrically installed on both sides of the upper roller shaft 306. A connecting seat 312 is fixedly installed on the conveying workbench 1 located below the pressure roller 302. A moving rod 307 that can move left and right is installed on the connecting seat 312. A wedge block 303 is fixedly installed on one side of the moving rod 307, and a moving block 309 is installed on the other side of the moving rod 307. Rotatable locking bolts 311 are installed on both ends of the moving block 309, which are sleeved on the moving rod 30 A telescopic spring 308 is disposed between the moving block 309 and the connecting seat 312 on the upper surface of the moving block 309. A positioning rod 310 is installed at the bottom end of the moving block 309. The positioning rod 310 is located between the conveying workbench 1 and the upper roller shaft 306. Screw holes matching the locking bolts 311 are fixed at different positions on the surface of the positioning rod 310. The locking bolts 311 are screwed into the screw holes at different positions to adjust the length of the positioning rod 310. Through the cooperation of the upper roller shaft 306 and the positioning rod 310, the conductive foam can be positioned longitudinally and transversely.

[0023] The cutting assembly 4 includes: a tool holder 402 that can move up and down in the conveying workbench 1, a rotatable cutting knife 401 and a driving motor 403 that drives the cutting knife 401 to rotate are installed inside the tool holder 402. When the driving motor 403 is started, the cutting knife 401 rotates to cut the conductive foam.

[0024] The lifting mechanism 5 includes: a rotatable bidirectional screw 502 located in the side wall of the shell 2, a movable block 501 is threadedly connected to the bidirectional screw 502, and the movable block 501 is divided into two groups, the upper group of movable blocks 501 is fixedly connected to the lifting plate 301, and the lower group of movable blocks 501 is fixedly connected to the tool holder 402, and a servo motor 503 that drives the bidirectional screw 502 to rotate. When the servo motor 503 is started, the bidirectional screw 502 rotates, and the movable block 501 can drive the lifting plate 301 and the tool holder 402 to rise and fall.

[0025] In the utility model, the servo motor 503 rotates forward, the bidirectional screw 502 rotates, the movable block 501 drives the lifting plate 301 to descend, the upper roller shaft 306 contacts the conductive foam, and the conductive foam is longitudinally positioned. At the same time, the pressure roller 302 pushes the wedge block 303 to move toward each other, the positioning rod 310 contacts the conductive foam, and the conductive foam is laterally positioned to prevent deviation. The servo motor 503 reverses, the lifting plate 301 rises, the knife holder 402 moves down, and the cutting knife 401 enters the conveying workbench 1 to protect the cutting knife 401 to prevent the cutting knife 401 from being exposed to the outside and injuring people.

[0026] Working principle: The conductive foam is placed on the conveying workbench 1, and the lower roller on the conveying workbench 1 rotates to convey the conductive foam. The servo motor 503 is started, the servo motor 503 rotates forward, and the bidirectional screw 502 rotates. On the one hand, the movable block 501 drives the lifting plate 301 to descend, and the upper roller 306 contacts the conductive foam to achieve the purpose of longitudinal positioning of the conductive foam. At the same time, the pressure roller 302 pushes the wedge block 303 to move toward each other, and the positioning rod 310 contacts the conductive foam to achieve the purpose of lateral positioning of the conductive foam. By longitudinally and laterally positioning the conductive foam, it can be prevented from deviation and the accuracy and efficiency of cutting can be improved. On the other hand, the movable block 501 drives the knife holder 402 to rise, and the cutting knife 401 is exposed. The drive motor 403 is started, and the cutting knife 401 rotates to cut the conductive foam.

[0027] After the cutting is completed, the servo motor 503 is started, the servo motor 503 reverses, the lifting plate 301 rises, the upper roller 306 and the positioning rod 310 leave the conductive foam to clean the conveying workbench 1, the knife holder 402 moves down, and the cutting knife 401 enters the conveying workbench 1, which can achieve the purpose of protecting the cutting knife 401 and avoid the cutting knife 401 being exposed to the outside and causing cuts to people.

[0028] By screwing the fastening bolt 305 and the locking bolt 311 into the screw holes at different positions on the connecting rod 304 and the positioning rod 310, the height of the upper roller 306 and the length of the positioning rod 310 can be adjusted to position conductive foams of different sizes.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0030] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A conductive foam cutting device, characterized in that: include: A conveying workbench (1), a housing (2), a positioning structure (3) for positioning the conductive foam, a cutting assembly (4) for cutting the conductive foam, and a lifting mechanism (5) for driving the positioning structure (3) and the cutting assembly (4) to move up and down; The positioning structure (3) comprises: a lifting plate (301) located inside the housing (2) and movable up and down, a connecting rod (304) symmetrically mounted at the bottom end of the lifting plate (301), an upper roller shaft (306) mounted below the connecting rod (304) and used for limiting the conductive foam, pressure rollers (302) symmetrically mounted on both sides of the upper roller shaft (306), a connecting seat (312) fixedly mounted on the conveying workbench (1) below the pressure roller (302), a moving rod (307) movable left and right mounted on the connecting seat (312), a wedge block (303) fixedly mounted on one side of the moving rod (307), a moving block (309) mounted on the other side of the moving rod (307), a telescopic spring (308) sleeved on the moving rod (307) and located between the moving block (309) and the connecting seat (312), and a positioning rod (310) mounted on the bottom end of the moving block (309).

2. A conductive foam cutting device as claimed in claim 1, characterized in that: The positioning rod (310) is located between the conveying workbench (1) and the upper roller shaft (306).

3. A conductive foam cutting device as claimed in claim 1, characterized in that: The cutting assembly (4) comprises: a tool holder (402) located inside the conveying workbench (1) and movable up and down, a rotatable cutting knife (401) installed inside the tool holder (402), and a driving motor (403) driving the cutting knife (401) to rotate.

4. A conductive foam cutting device as claimed in claim 1, characterized in that: The lifting mechanism (5) comprises: a rotatable bidirectional screw (502) located in the side wall of the housing (2), a movable block (501) threadedly connected to the bidirectional screw (502), and a servo motor (503) driving the bidirectional screw (502) to rotate.

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