CN109203023B - Gap Compensation Tape Fast Cutting Device - Google Patents

Gap Compensation Tape Fast Cutting Device Download PDF

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Publication number
CN109203023B
CN109203023B CN201811074449.7A CN201811074449A CN109203023B CN 109203023 B CN109203023 B CN 109203023B CN 201811074449 A CN201811074449 A CN 201811074449A CN 109203023 B CN109203023 B CN 109203023B
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fixed
ratchet
tape
connecting rod
arm
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CN109203023A (en
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吴娟
寇子明
高贵军
崔功军
王松岩
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Taiyuan University of Technology
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Taiyuan University of Technology
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/20—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member
    • B26D1/205—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a fixed member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/083—Rack-and-pinion means

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Adhesive Tape Dispensing Devices (AREA)
  • Adhesive Tapes (AREA)

Abstract

一种间隙补偿式胶带快速切割装置是将机体主板、定刀座板及驱动臂经过焊接组合，构成切带装置的机架部分，其中电动机经过焊接固定在驱动臂，定切刀安装于定刀座板、齿切刀、棘轮臂及棘轮通过动刀轴安装于机体主板，各结构之间通过涡轮蜗杆传动，齿轮传动，曲柄连杆传动，构成一种装置体积小，重量轻，方便携带，自动切割，适用于任意输送带胶带的自动切割装置。本装置采用冷切割方式，无污染，环境友好，解决了带式输送机胶带切割效率低，安全性差，污染严重等问题。

Figure 201811074449

A gap-compensated tape quick cutting device is to weld and combine the main board of the machine body, the fixed knife seat plate and the driving arm to form the frame part of the tape cutting device, wherein the motor is welded and fixed on the driving arm, and the fixed cutting knife is installed on the fixed knife The seat plate, the tooth cutter, the ratchet arm and the ratchet wheel are installed on the main body of the body through the movable knife shaft, and each structure is driven by a turbine worm, a gear drive, and a crank connecting rod drive, forming a device with small size, light weight, and easy portability. Automatic cutting, suitable for automatic cutting device for any conveyor belt tape. The device adopts the cold cutting method, which is pollution-free and environmentally friendly, and solves the problems of low tape cutting efficiency, poor safety and serious pollution of belt conveyors.

Figure 201811074449

Description

Clearance compensation type adhesive tape quick cutting device
Technical Field
The invention relates to a cutting device for a conveying belt, in particular to a cutting device suitable for a steel wire rope core rubber belt of a belt conveyor.
Background
The belt conveyor is important equipment in coal production, has irreplaceable effect in coal production, and is an extremely important ring for realizing coal from a working surface to the ground, wherein the adhesive tape is a carrier for bearing and transporting coal, but the friction between the tape surface and materials exists in the long-time use process of the adhesive tape, the friction between the adhesive tape and a roller causes the scratch of the tape surface of the adhesive tape, even a steel wire rope is rusted and broken, potential safety hazards are buried in the running of the adhesive tape, therefore, the adhesive tape must be replaced periodically to ensure the safe and stable running of the adhesive tape, the adopted adhesive tape is hundreds of meters short and thousands of meters long in the conveying process of the mine belt conveyor, the old adhesive tape is drawn out by a tape replacing device in the replacing process of the adhesive tape, the adhesive tape needs to be cut off continuously due to site limitation, then the tape is pulled, and the tape is cut into an important link in the tape replacing process, the length of the belt cutting time influences the efficiency of replacing the coal mine adhesive tape and indirectly influences the production and economic benefits of the coal mine.
To solve the above problems, a solution is also proposed in the industry, for example, the publication No. CN207387735U discloses a "novel belt cutting device", the structure of which includes a device body, one side of the device body is provided with a first supporting column, the bottom of the device body is provided with a first transmission roller, one side of the first transmission roller is provided with a first driven rod, the top of the first transmission roller is provided with a fixed rod, the bottom of the fixed rod is provided with a second driven rod, the surface of the fixed rod is provided with a plurality of cutting knife fixing frames, the surface of the cutting knife fixing frame is provided with a cutting knife, one side of the cutting knife fixing frame is provided with a first pressure roller, the cutting knife is in the best cutting tension state when cutting by arranging the first pressure roller, the first pressure roller and the cutting knife fixing frame, thereby the cutting precision is improved, but the device is mainly used for triangular belts, The cutting of automobile transmission belts such as V-ribbed belts or timing belts cannot cut high-strength large-area steel wire rope core belts, and the labor intensity of workers is high, so that automatic cutting cannot be realized.
As disclosed in CN205521545U, the structure of the utility model includes a cutting platform, a first roller, a second roller, a driving motor, a cutting device and a stabilizing device, wherein one end of the first roller is rotatably fixed on the cutting platform; one end of the second roller is rotationally fixed on the cutting platform and is arranged in parallel with the first roller, and the second roller can move back and forth along the direction close to or far away from the first roller; the driving motor is used for driving the second roller to rotate; the cutting device comprises a cutting knife which is arranged at one end of the first roller opposite to the second roller, and the cutting knife can move back and forth along the direction close to or far away from the first roller and can move left and right along the direction parallel to the first roller; the stabilizing device comprises a first butt joint rod and a second butt joint rod, wherein the first butt joint rod is abutted against the end portion of the first roller, the second butt joint rod is abutted against the end portion of the second roller, the device mainly cuts the annular belt into small annular belts with different widths, the belts cannot be transversely cut off, the device utilizes a driving motor to drive the belts to cut, the rotating speed is high, toxic gas can be generated in the cutting process, adverse effects can be caused on the human body and the environment, and the safety is poor.
Disclosure of Invention
The invention aims to provide a clearance compensation type rapid cutting device for a rubber belt, which is used for a cutting device for a steel wire rope core rubber belt of a belt conveyor.
The invention adopts the following specific technical scheme.
A clearance compensation type rapid adhesive tape cutting device comprises a motor, a ratchet arm, a ratchet wheel, a pawl spring, a fixed cutter, a tooth cutter, a transmission gear, a turbine, a worm, a crank, a connecting rod, a pull rod, a machine body main board, a fixed cutter seat board, a driving arm and a pin shaft; the method is characterized in that:
the automatic cutting machine comprises a machine body main board, a fixed cutter seat board and a driving arm, wherein the machine body main board, the fixed cutter seat board and the driving arm are connected to form a rack part of a belt cutting device;
the output shaft of the motor is provided with a turbine and is connected with the worm; the motor adopts a three-phase asynchronous motor;
the transmission gear I is fixed on the driving arm through a fixed shaft and is respectively connected with a transmission gear II, a crank and a pull rod;
one end of the pull rod is fixed on the transmission gear I through a pin shaft V, and the other end of the pull rod is connected with the connecting rod I and the connecting rod II through a pin shaft VI;
one end of the connecting rod II is connected with the fixed cutter seat plate through a pin shaft II;
one end of the connecting rod I is connected with the pull rod and the connecting rod II through a pin roll VI, the other end of the connecting rod I is connected with the ratchet arm through a connecting pin roll, and two sides of the connecting pin roll are fixed through nuts;
one end of the ratchet arm is connected with the tooth cutter and the ratchet through the movable cutter shaft and is fixed on the machine body main board, and the movable cutter shaft, the tooth cutter and the ratchet are connected through keys;
the pawl I is fixed on the ratchet arm through the threaded hole II and acts on a ratchet;
the pawl spring I is fixed on the ratchet arm through a threaded hole I and acts on the pawl I;
the pawl II is fixed on the machine body main board through a pin shaft I and acts on the ratchet wheel;
the pawl spring II is fixed on the machine body main board through a pin shaft I and acts on the pawl II;
the fixed cutter is fixed on the fixed cutter seat plate through a conical countersunk head screw and is matched with the tooth cutter to cut a belt;
the grab handle is fixed on the motor, and the handle is fixed on the driving arm, so that the adhesive tape can be conveniently cut by hand.
Further technical features are as follows.
The transmission gear II and the worm are processed into a whole and are fixed on the driving arm through a pin shaft III.
The ratchet arm, the ratchet wheel, the tooth cutter, the transmission gear I, the transmission gear II, the worm, the connecting rod I, the connecting rod II and the pull rod rotate around the shaft.
The transmission gear I, the transmission gear II, the crank, the connecting rod I, the connecting rod II, the ratchet arm, the tooth cutter, the ratchet, the pawl I, the pawl II, the fixed cutter and the fixed cutter seat plate are arranged in an axisymmetric mode.
The pawl I and the pawl II act on the ratchet wheel to prevent the tooth cutter from reversing in the process of cutting the adhesive tape.
The adhesive tape enters from the space between the tooth cutter and the fixed cutter, and residual adhesive tape after cutting falls from the space between the main board of the machine body and the fixed cutter seat board.
The fixed cutter seat plate is provided with a plug welding hole, and welding of the machine body main plate and the fixed cutter seat plate is facilitated.
Compared with the prior art, the technical scheme is that a machine body main board, a fixed cutter seat board and a driving arm are welded and combined to form a rack part of a belt cutting device, wherein a motor is welded and fixed on the driving arm, a fixed cutter is installed on the fixed cutter seat board, a tooth cutter, a ratchet arm and a ratchet wheel are installed on the machine body main board through a moving cutter shaft, and all structures are driven through a worm gear, a gear and a crank connecting rod to form an automatic cutting device which is small in size, light in weight, convenient to carry, automatic in cutting and suitable for any conveying belt adhesive tape; the device adopts a cold cutting mode, is pollution-free and environment-friendly, and solves the problems of low cutting efficiency, poor safety, serious pollution and the like of the rubber belt of the belt conveyor.
Drawings
FIG. 1 is a schematic diagram of the axial structure of the device.
Fig. 2 is a schematic bottom view of the device.
Fig. 3 is a front view of the device.
Fig. 4 is a front view of a welding part of the machine frame of the device.
In the figure: 1: an electric motor; 2: a handle; 3: a motor welding leg I; 4: a carrying handle; 5: a nut; 6: a ratchet arm; 7: a threaded hole I; 8: a threaded hole II; 9: a ratchet wheel; 10: a movable cutter shaft; 11: a fixed cutter; 12: a conical countersunk head screw; 13: a pin shaft I; 14: plugging the welding hole; 15: a pin shaft II; 16: connecting a pin shaft; 17: a fixed shaft; 18: a pin shaft III; 19: a motor welding leg II; 20: a motor weld leg III; 21: a transmission gear I; 22: a transmission gear II; 23: a worm; 24: a pawl I; 25: a pawl spring I; 26: a connecting rod I; 27: a pin shaft IV; 28: a pin shaft V; 29: a pull rod; 30: a pin shaft VI; 31 a connecting rod II; 32 of residual adhesive tape; 33 a pawl spring II; 34: a pawl II; 35: an adhesive tape; 36: a machine body main board; 37: a stationary knife base plate; 38: a drive arm; 39: a tooth cutter; 40: a turbine; 41: a crank.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in the attached drawings, the gap compensation type rapid adhesive tape cutting device is implemented, wherein a motor 1 is fixed on a driving arm 38 and is fixed with a motor welding leg II 19 and a motor welding leg III 20 through a motor welding leg I3, and a turbine 40 is installed on an output shaft of the motor and is matched with a worm 23 for transmission.
As shown in the attached drawings, the gap compensation type rapid adhesive tape cutting device is implemented, and a power transmission mechanism transmitted from a worm to a tooth cutter mainly comprises a transmission gear I21, a transmission gear II 22, a crank 41, a pull rod 29, a connecting rod I26, a connecting rod II 31 and a ratchet arm 6. Wherein, motor output shaft acts on the turbine, and the turbine drives the worm and rotates to drive gear II to rotate. The transmission gear I and the transmission gear II are meshed to rotate to drive a crank and a pull rod connected with the transmission gear I to do eccentric motion, and the other end of the pull rod is connected with the connecting rod I and the connecting rod II to drive the connecting rod to move. Connecting rod I is connected with the one end of ratchet arm, and connecting rod II is connected with connecting rod I through round pin axle VI 30, and connecting rod I drives the swing back and forth of ratchet arm, and the ratchet arm passes through the key-type connection with the tooth cutter to it cuts the area to drive the rotatory of tooth cutter.
As shown in the attached drawings, the gap compensation type rapid tape cutting device is implemented by mounting a ratchet 9 and a pawl II 34 on a main board 36 of a machine body, mounting a pawl I24 on a ratchet arm, and in the tape cutting process, the ratchet and the pawl are matched with each other to act on a tooth cutter so as to prevent the tooth cutter from being reversed.
As shown in the drawing, a clearance compensation type rapid tape cutting device is implemented, wherein a fixed cutter 11 is arranged on a fixed cutter seat plate 37 through a conical countersunk head screw 12 and is matched with a tooth cutter 39 for cutting a tape. The adhesive tape 35 enters between the tooth cutter 39 and the fixed cutter 11, and the residual adhesive tape 32 remaining after cutting falls from between the main body plate 36 and the fixed cutter seat plate 37.
As shown in the drawings, a gap compensation type tape quick cutting apparatus is implemented, in which a handle 2 is fixed to a motor 1, and a handle 4 is fixed to a driving arm 38, and an operator can cut the tape by hand when using the apparatus.

Claims (7)

1.一种间隙补偿式胶带快速切割装置，包括电动机、棘轮臂、棘轮、棘爪Ⅰ、棘爪Ⅱ、棘爪弹簧Ⅰ、棘爪弹簧Ⅱ、定切刀、齿切刀、传动齿轮Ⅰ、传动齿轮Ⅱ、涡轮、蜗杆、曲柄、连杆Ⅰ、连杆Ⅱ、拉杆、机体主板、定刀座板、握柄、驱动臂及销轴；其特征在于：1. A clearance compensation type tape quick cutting device, comprising a motor, a ratchet arm, a ratchet wheel, a pawl I, a pawl II, a pawl spring I, a pawl spring II, a fixed cutter, a tooth cutter, a transmission gear I, Transmission gear II, turbine, worm, crank, connecting rod I, connecting rod II, tie rod, main body board, fixed knife seat plate, handle, drive arm and pin; it is characterized by: 所述机体主板（36）、定刀座板（37）和驱动臂（38）连接构成切带装置的机架部分，其中电动机（1）经过连接固定在驱动臂（38），定切刀（11）安装于定刀座板（37），齿切刀（39）、棘轮臂（6）和棘轮（9）通过动刀轴（10）安装于机体主板（36），各结构之间通过涡轮蜗杆传动、齿轮传动、曲柄连杆传动构成用于输送带胶带的自动切割装置；The main body board (36), the fixed knife seat plate (37) and the drive arm (38) are connected to form a frame part of the tape cutting device, wherein the motor (1) is connected and fixed on the drive arm (38), and the fixed knife ( 11) Installed on the fixed knife seat plate (37), the tooth cutter (39), the ratchet arm (6) and the ratchet (9) are installed on the main body (36) through the movable knife shaft (10). Worm drive, gear drive and crank connecting rod drive constitute an automatic cutting device for conveyor belt tape; 所述电动机（1）的输出轴安装有涡轮（40），并与蜗杆（23）连接；电动机（1）采用三相异步电动机；The output shaft of the electric motor (1) is provided with a turbine (40) and is connected with the worm (23); the electric motor (1) adopts a three-phase asynchronous motor; 所述传动齿轮Ⅰ（21）是通过固定轴（17）固定在驱动臂（38），分别连接有传动齿轮Ⅱ（22）、曲柄（41）及拉杆（29）；The transmission gear I (21) is fixed to the drive arm (38) through the fixed shaft (17), and is respectively connected with the transmission gear II (22), the crank (41) and the pull rod (29); 所述拉杆（29）的一端通过销轴Ⅴ（28）固定于传动齿轮Ⅰ（21），另一端通过销轴Ⅵ（30）与连杆Ⅰ（26）、连杆Ⅱ（31）相连接；One end of the tie rod (29) is fixed to the transmission gear I (21) through the pin shaft V (28), and the other end is connected to the connecting rod I (26) and the connecting rod II (31) through the pin shaft VI (30); 所述连杆Ⅱ（31）的一端通过销轴Ⅱ（15）与定刀座板（37）相连；One end of the connecting rod II (31) is connected with the fixed knife seat plate (37) through the pin shaft II (15); 所述连杆Ⅰ（26）的一端通过销轴Ⅵ（30）与拉杆（29）、连杆Ⅱ（31）相连，另一端通过连接销轴（16）与棘轮臂（6）相连，连接销轴两侧通过螺母（5）固定；One end of the connecting rod I (26) is connected with the pull rod (29) and connecting rod II (31) through the pin shaft VI (30), and the other end is connected with the ratchet arm (6) through the connecting pin shaft (16). Both sides of the shaft are fixed by nuts (5); 所述棘轮臂（6）的一端通过动刀轴（10）与齿切刀（39）、棘轮（9）相连接并固定于机体主板（36），动刀轴（10）、齿切刀（39）与棘轮（9）之间通过键连接；One end of the ratchet arm (6) is connected with the tooth cutter (39) and the ratchet wheel (9) through the movable knife shaft (10) and is fixed to the main body (36) of the body, and the movable knife shaft (10), the tooth cutter ( 39) It is connected with the ratchet wheel (9) by a key; 所述棘爪Ⅰ（24）通过螺纹孔Ⅱ（8）固定于棘轮臂（6），作用于棘轮（9）；The ratchet I (24) is fixed to the ratchet arm (6) through the threaded hole II (8), and acts on the ratchet (9); 所述棘爪弹簧Ⅰ（25）通过螺纹孔Ⅰ（7）固定于棘轮臂（6），作用于棘爪Ⅰ（24）；The ratchet spring I (25) is fixed to the ratchet arm (6) through the threaded hole I (7), and acts on the ratchet I (24); 所述棘爪Ⅱ(34)通过销轴Ⅰ（13）固定于机体主板（36），作用于棘轮（9）；The ratchet II (34) is fixed on the main body board (36) through the pin shaft I (13), and acts on the ratchet (9); 所述棘爪弹簧Ⅱ（33）通过销轴Ⅰ（13）固定于机体主板（36），作用于棘爪Ⅱ（34）；The detent spring II (33) is fixed to the main board (36) of the body through the pin shaft I (13), and acts on the detent II (34); 所述定切刀（11）通过锥形沉头螺钉（12）固定于定刀座板（37），与齿切刀（39）配合切带；The fixed cutter (11) is fixed to the fixed cutter seat plate (37) by a conical countersunk head screw (12), and cooperates with the tooth cutter (39) to cut the tape; 所述握柄（2）固定于电动机（1），手提把（4）固定于驱动臂（38），方便手提切割胶带。The handle (2) is fixed on the electric motor (1), and the carrying handle (4) is fixed on the driving arm (38), which is convenient for cutting the tape by hand. 2.如权利要求1所述的间隙补偿式胶带快速切割装置，其特征在于：所述传动齿轮Ⅱ（22）与蜗杆（23）加工为一体，通过销轴Ⅲ（18）固定于驱动臂（38）。2. The clearance compensation type tape quick cutting device according to claim 1, characterized in that: the transmission gear II (22) and the worm (23) are processed into one piece, and are fixed to the drive arm ( 38). 3.如权利要求1所述的间隙补偿式胶带快速切割装置，其特征在于：所述棘轮臂、棘轮、齿切刀、传动齿轮Ⅰ、传动齿轮Ⅱ、涡轮、蜗杆、连杆Ⅰ、连杆Ⅱ及拉杆是绕轴转动。3. The clearance compensation type tape quick cutting device according to claim 1, characterized in that: the ratchet arm, the ratchet wheel, the tooth cutter, the transmission gear I, the transmission gear II, the turbine, the worm, the connecting rod I, the connecting rod II and the tie rod are rotated around the axis. 4.如权利要求1所述的间隙补偿式胶带快速切割装置，其特征在于：所述传动齿轮Ⅰ、传动齿轮Ⅱ、曲柄、连杆Ⅰ、连杆Ⅱ、棘轮臂、齿切刀、棘轮、棘爪Ⅰ、棘爪Ⅱ、定切刀及定刀座板是轴对称设置。4. The clearance compensation type tape quick cutting device according to claim 1 is characterized in that: said transmission gear I, transmission gear II, crank, connecting rod I, connecting rod II, ratchet arm, tooth cutter, ratchet, The pawl I, the pawl II, the fixed knife and the fixed knife seat plate are arranged axisymmetrically. 5.如权利要求1所述的间隙补偿式胶带快速切割装置，其特征在于：所述棘爪Ⅰ（24）与棘爪Ⅱ（34）作用于棘轮（9），防止在切割胶带过程中齿切刀（39）倒转。5. The clearance compensation type tape quick cutting device according to claim 1, wherein the pawl I (24) and the pawl II (34) act on the ratchet wheel (9) to prevent teeth from being cut during the tape cutting process. The cutter (39) is reversed. 6.如权利要求1所述的间隙补偿式胶带快速切割装置，其特征在于：所述胶带（35）从齿切刀（39）与定切刀（11）之间进入，切割剩余的残留胶带（32）从机体主板（36）与定刀座板（37）之间掉落。6. The gap-compensated tape rapid cutting device according to claim 1, wherein the tape (35) enters between the toothed cutter (39) and the fixed cutter (11), and cuts the remaining residual tape (32) falls from between the main body board (36) and the stationary knife seat plate (37). 7.如权利要求1所述的钢丝绳芯胶带卷带装置，其特征在于：所述定刀座板（37）设置有塞焊孔（14），有利于机体主板（36）与定刀座板（37）焊接。7. The wire rope core tape winding device according to claim 1, characterized in that: the fixed knife seat plate (37) is provided with a plug welding hole (14), which is beneficial to the main body board (36) and the fixed knife seat plate (37) Welding.
CN201811074449.7A 2018-09-14 2018-09-14 Gap Compensation Tape Fast Cutting Device Active CN109203023B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811074449.7A CN109203023B (en) 2018-09-14 2018-09-14 Gap Compensation Tape Fast Cutting Device

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Application Number Priority Date Filing Date Title
CN201811074449.7A CN109203023B (en) 2018-09-14 2018-09-14 Gap Compensation Tape Fast Cutting Device

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CN109203023A CN109203023A (en) 2019-01-15
CN109203023B true CN109203023B (en) 2020-05-01

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CN110434455B (en) * 2019-09-20 2022-04-12 深圳市泰智科技有限公司 Stepwise compensation method for belt transmission cutting clearance
CN113043352A (en) * 2021-03-11 2021-06-29 太原理工大学 Rapid cutting device for steel wire rope core adhesive tape
CN116081935B (en) * 2023-02-15 2024-08-30 彩虹（合肥）液晶玻璃有限公司 Scribing and cutting tool bit structure for high-generation glass substrate

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