Slitting cutter group structure

By designing a slitting blade assembly structure that includes cutting and fixing mechanisms, the problems of blade replacement and tape stretching in the existing technology are solved, and automatic adaptation to cutting tape of different widths and quality maintenance are achieved.

CN223813191UActive Publication Date: 2026-01-20SHANGHAI SHANGDA ELECTRONIC INSULATION MATERIAL CO LTD
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Patent Information

Application Number
CN202520389187.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-01-20
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

The existing slitting blade assembly requires blade replacement to adapt to cutting tapes of different widths, and the tape blade edges tend to stretch and grow during the cutting process, resulting in a decrease in tape quality.

Method used

A slitting blade assembly structure was designed, which includes a cutting mechanism and a fixing mechanism. Through the combination of gears, racks, screws and motors, it can automatically cut tapes of different widths, and fix the tapes by electric push rods during the cutting process to prevent stretching.

Benefits of technology

It enables the cutting of tapes of different widths without changing the cutting tool, shortening production time, improving production efficiency, and ensuring that the tape cut is not excessively stretched on both sides, thus maintaining tape quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of electronic adhesive tape, and discloses a slitting knife group structure which comprises a cutting mechanism, a fixing mechanism and a bottom plate, the cutting mechanism comprises a sliding block, a rack and a gear, the inner wall of the sliding block is in threaded connection with a screw rod, the outer wall of one side of the screw rod is rotatably connected with the inner wall of the rack, and the outer wall of the rack is in sliding connection with a sliding column. The fixing mechanism comprises an electric push rod, a supporting plate and a third plate, the output end of the electric push rod is fixedly connected with a movable plate, the front end face and the rear end face of the movable plate are both fixedly connected with clamping plates, and the clamping plates are fixedly connected with the supporting plate. Fixing columns are slidably connected to the inner walls, close to the two sides, of the two clamping plates. According to the adhesive tape cutting device, adhesive tapes with different widths can be cut through the arrangement of the cutting mechanism, the practicability of the device is improved, and the quality of the adhesive tapes can be guaranteed through the arrangement of the fixing mechanism.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electronic adhesive tape field especially, relate to a slitting knife group structure. BACKGROUND

[0002] Electronic adhesive tape is a kind of adhesive tape of special purpose, mainly used for the packaging, fixing and insulation of electronic components, electronic adhesive tape can fix electronic components on circuit board or other equipment, so that it does not shift or fall off due to vibration and other reasons during equipment operation, also can effectively block dust, debris and other impurities into the electronic equipment, reduce the failure caused by dust accumulation.In use electronic adhesive tape needs cutting according to actual use length sometimes, and slitting knife group structure can control adhesive tape cutting length, quickly cut adhesive tape.

[0003] The inventor found that the prior art has the following problems in the process of realizing the present application: the existing slitting knife group generally includes fixing mechanism, moving mechanism, cutter and other structures, the existing cutter needs to replace cutter of equal width to cut when facing different width electronic adhesive tape, which increases the production time, and the existing cutter generally directly divides the cutting position when cutting, which can cause the adhesive tape on both sides of the cutter edge to stretch and grow, resulting in the quality of the adhesive tape to decline.

[0004] Therefore, the skilled in the art provides a slitting knife group structure to solve the problems raised in the background art. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a slitting knife group structure, which can cut adhesive tape of different widths through the cutting mechanism, and ensure the quality of the adhesive tape through the fixing mechanism.

[0006] To achieve the above object, the utility model provides the following technical scheme: a slitting knife group structure, including cutting mechanism, fixed mechanism, bottom plate, the cutting mechanism includes sliding block, rack, gear, the sliding block inner wall is connected with screw rod, and the screw rod one side outer wall is rotationally connected with rack inner wall, the rack outer wall is slidably connected with slide column, and the rack is fixedly connected with two clamping strips on the side close to sliding block, and the sliding block is slidably connected with the contact surface of two clamping strips;

[0007] The fixed mechanism includes electric push rod, support plate, No. 3 board, the electric push rod output end is fixedly connected with moving plate, and the moving plate front and rear end surfaces are fixedly connected with clamping plates, and the inner wall close to both sides of two clamping plates is slidably connected with fixed column.

[0008] Further, the bottom of the plurality of fixed columns is fixedly connected with the top of the support plate, the bottom of the plurality of support plates is fixedly connected with the bottom plate, and the top of the support plate close to the rack is fixedly connected with the bottom of the sliding column.

[0009] Further, the support plate away from the rack is fixedly connected with the front and rear end faces of the third plate, and the inner wall of the third plate is in sliding connection with the outer wall of the output end of the electric push rod.

[0010] Further, the bottom of the electric push rod is fixedly connected with the top of the bottom plate, and the side of the sliding column away from the electric push rod is fixedly connected with a fixed plate.

[0011] Further, the inner wall of the fixed plate is fixedly connected with the second motor, and the output end of the second motor is fixedly connected with the gear.

[0012] Further, the third plate away from the top of the rack is fixedly connected with a first plate, the inner wall of the first plate is in sliding connection with a second plate, the side of the second plate close to the rack is fixedly connected with two clamping strips, and the screw rod penetrates through the second plate and is in rotary connection with the second plate.

[0013] Further, the bottom of the sliding block is fixedly connected with a cutter, the rack and the gear are in meshing connection, the side of the rack away from the sliding block is fixedly connected with a clamping block close to the top, the inner wall of the clamping block is fixedly connected with the first motor, and the output end of the first motor is fixedly connected with one end of the screw rod.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. The cutting knife group structure disclosed by the utility model, when the second motor drives the gear to rotate left, the gear drives the rack, the sliding block and the cutter to move downward to cut the adhesive tape, when the adhesive tape is too wide to be directly cut, the first motor drives the screw rod to rotate to make the sliding block drive the cutter to move to the left side to cut the wide adhesive tape, without replacing other cutters, the production time is shortened, and the production efficiency is improved.

[0016] 2. The cutting knife group structure disclosed by the utility model, when the cutter cuts the adhesive tape, the cutting position moves downward, pulls the two sides of the adhesive tape, and causes the two sides of the adhesive tape to be elongated, at this time, the electric push rod drives the moving plate and the two clamping plates to move downward to fix the adhesive tape together with the support plate at the bottom, the adhesive tape is cut, the two sides of the cutting position of the adhesive tape are fixed, and the two sides of the adhesive tape of the cutting position are prevented from being excessively elongated. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2A partial structure schematic view of the utility model;

[0019] Figure 3 Another partial structure schematic view of the utility model;

[0020] Figure 4 A partial structure schematic view of the utility model; Figure 3 A partial structure schematic view of the utility model;

[0021] Legend:

[0022] 1, cutting mechanism, 2, fixed mechanism, 3, bottom plate, 101, sliding block, 102, clamping block, 103, motor, 104, rack, 105, cutter, 106, slide column, 107, No. 1 plate, 108, No. 2 plate, 109, screw, 110, clamping strip, 111, fixed plate, 112, motor, 113, gear, 201, electric push rod, 202, support plate, 203, clamping plate, 204, fixed column, 205, moving plate, 206, No. 3 plate, 207, support plate. Specific implementation

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Referring to Figures 1-4 , the utility model provides an embodiment: a slitting knife group structure, including cutting mechanism 1, fixed mechanism 2, bottom plate 3, cutting mechanism 1 includes sliding block 101, rack 104, gear 113, the screw rod 109 is connected in the inner wall of sliding block 101, and the outer wall of one side of screw rod 109 is rotationally connected with the inner wall of rack 104, and the outer wall of rack 104 is slidably connected with slide column 106, and two clamping strips 110 are fixedly connected on the side of rack 104 close to sliding block 101, and the contact surface of sliding block 101 and two clamping strips 110 is slidably connected.

[0025] Fixed mechanism 2 includes electric push rod 201, support plate 202, No. 3 plate 206, the output end of electric push rod 201 is fixedly connected with moving plate 205, and the front and rear end faces of moving plate 205 are fixedly connected with clamping plate 203, and the inner wall close to the two sides of two clamping plates 203 is slidably connected with fixed column 204.

[0026] Specifically, the adhesive tape is passed between the two clamping plates 203 and the support plate 202, and then the electric push rod 201 works to drive the moving plate 205 and the two clamping plates 203 on the sides to move downward together with the support plate 202 at the bottom to fix the adhesive tape, preventing the adhesive tape from being stretched during cutting and causing the quality of the adhesive tape to decrease.

[0027] With reference to Figures 1-4 The bottom of the plurality of fixed columns 204 is fixedly connected with the top of the support plate 202, the bottom of the support plate 202 is fixedly connected with a plurality of support plates 207, the bottom of each of the plurality of support plates 207 is fixedly connected with the bottom plate 3, the top of the support plate 202 close to the rack 104 is fixedly connected with the bottom of the slide column 106, the support plate 202 away from the rack 104 is fixedly connected with the front and rear end faces of the No. 3 plate 206, the inner wall of the No. 3 plate 206 is slidingly connected with the outer wall of the output end of the electric push rod 201, the bottom of the electric push rod 201 is fixedly connected with the top of the bottom plate 3, the side of the slide column 106 away from the electric push rod 201 is fixedly connected with a fixed plate 111, the inner wall of the fixed plate 111 is fixedly connected with a No. 2 motor 112, the output end of the No. 2 motor 112 is fixedly connected with a gear 113, the top of the side of the No. 3 plate 206 away from the rack 104 is fixedly connected with a No. 1 plate 107, the inner wall of the No. 1 plate 107 is slidingly connected with a No. 2 plate 108, the side of the No. 2 plate 108 close to the rack 104 is fixedly connected with two clamping strips 110, a screw rod 109 penetrates through the No. 2 plate 108 and is rotationally connected with the No. 2 plate 108, the bottom of the slide block 101 is fixedly connected with a cutter 105, the rack 104 is meshed with the gear 113, the side of the rack 104 away from the slide block 101 is fixedly connected with a clamping block 102 close to the top, the inner wall of the clamping block 102 is fixedly connected with a No. 1 motor 103, and the output end of the No. 1 motor 103 is fixedly connected with one end of the screw rod 109.

[0028] Specifically, when the adhesive tape needs to be cut, the No. 2 motor 112 works to drive the gear 113 to rotate, the gear 113 drives the rack 104 to move downward, the rack 104 drives the two clamping strips 110 to move downward through the screw rod 109, and the No. 2 plate 108 is further driven to slide downward in the No. 1 plate 107, at the same time, the screw rod 109 drives the slide block 101 to move downward, and the slide block 101 further drives the cutter 105 to move downward to cut the adhesive tape. When the required adhesive tape is too wide and the cutter 105 cannot be directly cut off by moving downward, the No. 1 motor 103 drives the screw rod 109 to rotate, the screw rod 109 drives the slide block 101 to move along the two clamping strips 110 to the left side, and the cutter 105 at the bottom cuts the wider adhesive tape.

[0029] Working principle: first, the electronic tape from two clamps 203 and support plate 202 in the middle of the tape, in cutting, start electric push rod 201, electric push rod 201 output end drive moving plate 205 and both sides of the clamp 203 down through the bottom of the support plate 202 on the tape to be fixed, and then start the cutter 105 on the tape cutting, prevent cutting when the tape is stretched too long;

[0030] Second, cutting tape, start the second motor 112, the second motor 112 output end rotation gear 113 drive gear 113 drive rack 104 to move down, rack 104 through the screw 109 and two clamping strip 110 down to drive the second plate 108 in the first plate 107 inside down sliding, while the screw 109 drive slider 101 and cutter 105 down to move on the tape cutting, start the first motor 103 drive screw 109 rotation slider 101 drive bottom cutter 105 along the two clamping strip 110 to the left side to move, the same width of the tape cutting.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A slitting blade assembly structure, comprising a cutting mechanism (1), a fixing mechanism (2), and a base plate (3), characterized in that: The cutting mechanism (1) includes a slider (101), a rack (104), and a gear (113). A screw (109) is threadedly connected to the inner wall of the slider (101). The outer wall of one side of the screw (109) is rotatably connected to the inner wall of the rack (104). A sliding column (106) is slidably connected to the outer wall of the rack (104). Two retaining strips (110) are fixedly connected to the side of the rack (104) near the slider (101). The contact surfaces of the slider (101) and the two retaining strips (110) are slidably connected. The fixing mechanism (2) includes an electric push rod (201), a support plate (202), and a third plate (206). The output end of the electric push rod (201) is fixedly connected to a movable plate (205). The front and rear ends of the movable plate (205) are fixedly connected to clamps (203). The inner walls of the two clamps (203) near their sides are slidably connected to fixed columns (204).

2. The slitting blade assembly structure according to claim 1, characterized in that: The bottom of the multiple fixed columns (204) is fixedly connected to the top of the support plate (202). The bottom of the support plate (202) is fixedly connected to multiple support plates (207). The bottom of the multiple support plates (207) is fixedly connected to the base plate (3). The top of the support plate (202) near the rack (104) is fixedly connected to the bottom of the sliding column (106).

3. The slitting blade assembly structure according to claim 1, characterized in that: The support plate (202) is fixedly connected to the front and rear ends of the third plate (206) at the location away from the rack (104), and the inner wall of the third plate (206) is slidably connected to the outer wall of the output end of the electric push rod (201).

4. The slitting blade assembly structure according to claim 1, characterized in that: The bottom of the electric push rod (201) is fixedly connected to the top of the base plate (3), and a fixing plate (111) is fixedly connected to the side of the sliding column (106) away from the electric push rod (201).

5. The slitting blade assembly structure according to claim 4, characterized in that: The inner wall of the fixed plate (111) is fixedly connected to a second motor (112), and the output end of the second motor (112) is fixedly connected to the gear (113).

6. The slitting blade assembly structure according to claim 1, characterized in that: The top of the third plate (206) away from the rack (104) is fixedly connected to the first plate (107). The inner wall of the first plate (107) is slidably connected to the second plate (108). The second plate (108) is fixedly connected to two clips (110) on the side near the rack (104). The screw (109) passes through the second plate (108) and is rotatably connected to the second plate (108).

7. The slitting blade assembly structure according to claim 1, characterized in that: A cutting tool (105) is fixedly connected to the bottom of the slider (101). The rack (104) meshes with the gear (113). A locking block (102) is fixedly connected to the top of the rack (104) on the side away from the slider (101). A first motor (103) is fixedly connected to the inner wall of the locking block (102). The output end of the first motor (103) is fixedly connected to one end of the screw (109).