CN210834231U

CN210834231U - Cutting device

Info

Publication number: CN210834231U
Application number: CN201921273468.2U
Authority: CN
Inventors: 龚鹏
Original assignee: Zhuhai Maixun Technology Co ltd
Current assignee: Zhuhai Maixun Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-06-23
Anticipated expiration: 2029-08-07

Abstract

The utility model relates to a cable detects technical field, discloses a cutting device, solves current cutting device and can not realize carrying out the problem of taking a sample to the cable of different external diameters, different materials and/or different voltage levels. The utility model comprises a workpiece fixing component and a vertical moving mechanism which are oppositely arranged; the workpiece fixing assembly is used for clamping workpieces with different diameters; the bottom end of the workpiece fixing component is provided with a sliding driving table, and the sliding driving table is used for driving the workpiece fixing component to move along the horizontal direction; the vertical moving mechanism is connected with a rotatable cutting knife and can drive the cutting knife to move vertically; a sample wafer recovery tank is arranged below the cutting knife. The utility model has simple operation and wide application range and improves the cutting efficiency; utilize the fixed subassembly of work piece to realize the work piece of fixed different diameters size, cooperate vertical moving mechanism and cutting knife simultaneously, realized automatic cutout, make the thickness of cutting the sample wafer keep unanimous and avoided burr or the problem that the sample wafer warp.

Description

Cutting device

Technical Field

The utility model relates to a cable detects technical field, especially a cutting device.

Background

Currently, the method for cutting out the sample for thickness measurement in cable testing uses appropriate tools (sharp blades such as razor blades, etc.) to cut out the sheet along a plane perpendicular to the conductor axis during sample preparation according to the specifications of standard GB/T2951-2008, and then places the sheet on an optical microscope or a projector with a magnification of at least 10 to read the thickness value. In the actual detection process, regardless of the low-voltage cable made of polyvinyl chloride or the high-voltage cross-linked polyethylene cable made of XLPE, most laboratories use manual slicing operation modes by means of blades, so that not only is certain danger caused, but also because the slice thickness uniformity cannot be kept consistent, the blades with different thicknesses of different testers can influence the uncertainty of the test result after the projector or the microscope is amplified, so that an error test result is obtained, and an error test report is provided. Meanwhile, in the cable detection, the thickness measurement is also performed as a part of other tests, so that the judgment of results of other detection items is influenced, and a chain reaction is caused. Although there is similar device in the market and can realize automatic cutout, application scope is narrow, can not select different cutting speed according to different external diameters, different materials, has the mode of holding the cable sample with the hand and cutting, and cutting speed still is controlled by the experimenter is automatic, and cutting speed is slow enough to lead to, and the sample piece that cuts out has the high temperature to lead to the sample piece to warp the problem that influences the accuracy of test result. Meanwhile, the cutting thickness is fixed, and the cutting thickness is selected according to the outer diameter and the material of the cable, so that certain limitation exists.

Disclosure of Invention

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a cutting device, solve current cutting device and can not realize carrying out the problem of taking a sample to the cable of different external diameters, different materials and/or different voltage levels.

According to a first aspect of the present invention, there is provided a cutting apparatus, comprising a workpiece fixing assembly and a vertical moving mechanism which are arranged oppositely; the workpiece fixing assembly is used for clamping workpieces with different diameters; the bottom end of the workpiece fixing component is provided with a sliding driving table, and the sliding driving table is used for driving the workpiece fixing component to move along the horizontal direction; the vertical moving mechanism is connected with a rotatable cutting knife and can drive the cutting knife to move vertically; and a sample wafer recovery tank is arranged below the cutting knife.

Further, the workpiece fixing component comprises a fixing table, at least two parallel holes arranged on the fixing table and a pressing plate used for pressing the workpiece, each waist-shaped hole is provided with two bolts, and a screw of each bolt sequentially penetrates through the pressing plate and the corresponding waist-shaped hole and is in threaded connection with a nut, so that the workpiece is fixed between the pressing plate and the fixing table.

Furthermore, the vertical driving mechanism is the same as the sliding driving table in structure, the vertical moving mechanism comprises a first motor and a first lead screw which is vertically arranged, the first lead screw is in transmission connection with the cutting knife through a transmission arm, and the first motor drives the first lead screw to rotate so as to drive the cutting knife to move up and down along the vertical direction.

Further, the vertical moving mechanism further comprises a first guide pillar which is arranged in parallel with the first screw rod, and the first guide pillar is connected with the transmission arm in a sliding mode through a linear bearing.

Further, the vertical moving mechanism is the same as the sliding driving table in structure, the vertical moving mechanism comprises a first fixing seat, a first air cylinder and a first sliding rail fixed at the end part of a piston rod of the first air cylinder, the first sliding rail is connected with the cutting knife, and the first air cylinder is fixed on the first fixing seat.

Further, still include the rotating electrical machines, the cutting knife transmission is connected on the drive end of rotating electrical machines, the end of rotating electrical machines with vertical moving mechanism rotatable coupling.

Further, the rotating motor is a variable-frequency and adjustable-speed motor.

The automatic feeding device is characterized by further comprising a feeding mechanism, wherein a feeding outlet is formed in the feeding mechanism, the inner side of the feeding outlet is provided with at least one driving wheel and at least one driven wheel which are matched with each other, the driving wheel is connected with a driving assembly, the driving wheel and the driven wheel are respectively abutted against the outer wall of a workpiece, and the driving assembly drives the driving wheel to rotate so that the workpiece moves along the direction of the feeding outlet.

Furthermore, the material conveying mechanism is provided with a slide rail surrounding and communicated with the material conveying outlet and a slide block connected with the slide rail in a sliding manner, one end of the slide rail is provided with a fixed block, the fixed block is connected with the slide block through a spring, and the driving wheel and the driven wheel are respectively arranged in the corresponding slide rail and connected with the slide block.

Furthermore, the slide rail with the quantity of slider is three groups, and the equipartition is in the inboard of defeated material export, the quantity of action wheel is one, the quantity from the driving wheel is two, action wheel and two set up respectively from the driving wheel on three groups the slider.

Has the advantages that: the workpiece fixing assembly can be used for fixing workpieces with different diameters, and meanwhile, the vertical moving mechanism and the cutting knife are matched, so that automatic cutting is realized, the thickness of a cut sample wafer is kept consistent, and the problem of burr or sample wafer deformation is avoided;

in addition, automatic material conveying can be realized by utilizing the material conveying mechanism, the feeding length of the workpiece is controlled, and the automation is further improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic structural view of a first preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of a first preferred embodiment of the workpiece holding assembly of the present invention;

fig. 3 is a schematic side view of the vertical moving mechanism of the first preferred embodiment of the present invention;

FIG. 4 is a schematic structural view of a second preferred embodiment of the present invention;

FIG. 5 is a schematic side view of a feeding mechanism according to a second preferred embodiment of the present invention;

fig. 6 is a sectional view of a feeding mechanism according to a second preferred embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, in a preferred embodiment, a cutting device includes a workpiece fixing assembly and a vertical moving mechanism 10, which are oppositely arranged; the workpiece fixing assembly is used for clamping workpieces 40 with different diameters; the bottom end of the workpiece fixing component is provided with a sliding driving table 30, and the sliding driving table 30 is used for driving the workpiece fixing component to move along the horizontal direction; the vertical moving mechanism 10 is connected with a rotatable cutting knife 50, and the vertical moving mechanism 10 can drive the cutting knife 50 to move vertically; a sample wafer recovery tank 60 is provided below the cutting knife 50. Wherein the workpiece fixing component, the vertical moving mechanism 10 and the sample wafer recycling groove 60 are respectively arranged on the base.

In this embodiment, work piece 40 is the cable, be fixed in the fixed subassembly of work piece with the cable on, according to the cable of different diameters, the fixed width of the fixed subassembly of work piece is adjusted to the accessible, thereby realize the fixed of cable, and the position of the fixed subassembly of work piece is adjusted through sliding drive platform 30, thereby adjust work piece 40 and treat notched position, after the adjustment is accomplished, cooperation vertical moving mechanism 10 makes cutting knife 50 reciprocate in vertical direction, thereby excise the appearance piece that the cable part was selected, after the excision, the appearance piece then drops in the appearance piece accumulator 60.

Referring to fig. 2, the workpiece fixing assembly includes a fixing table 21, at least two kidney-shaped holes 22 arranged in parallel on the fixing table 21, and a pressing plate 23 for pressing the workpiece 40, two bolts 24 are respectively arranged on each kidney-shaped hole 22, and a screw 241 of each bolt 24 sequentially passes through the pressing plate 23 and the corresponding kidney-shaped hole 22 to be in threaded connection with a nut 242, so as to fix the workpiece 40 between the pressing plate 23 and the fixing table 21. In this embodiment, two waist-shaped holes 22 are sequentially arranged in the transverse direction on the workpiece fixing assembly, two bolts 24 are respectively arranged at the front end and the rear end of each waist-shaped hole 22, each bolt 24 respectively penetrates through the pressing plate 23 and the corresponding waist-shaped hole 22 in sequence to fix the workpiece 40, in order to realize that the position of the bolt 24 can be adjusted according to the diameter of the workpiece 40, a strip-shaped hole matched with the waist-shaped hole 22 is also arranged on the pressing plate 23, the workpiece 40 can be arranged between the waist-shaped hole 22 and the pressing plate 23 by adjusting the distance between the two bolts 24 on the same waist-shaped hole 22, and the workpiece 40 can be taken or fixed by loosening or tightening the nut 242.

The cutting blade is made of a material with the thickness of less than 0.1mm and high hardness, and can be selected from a hard alloy cutter, a ceramic cutter or a cubic boron nitride cutter according to requirements. And the inserts of different diameters are replaced according to the different materials of the workpiece 40 or the conditions of different diameters.

The sample wafer recovery tank 60 is horn-shaped or conical, the bottom end of the sample wafer recovery tank is a round opening, the bottom end of the round opening is provided with an air cap and is connected with the recovery tank through a pipeline, and in actual operation, the opening of the air cap can be adjusted as required, so that sampling or recovery of unnecessary sample wafers can be realized.

The cutting knife 50 is connected with the driving end of a rotating motor 51 in a transmission way, and the tail end of the rotating motor 51 is rotatably connected with the vertical moving mechanism 10. The rotating electric machine 51 is a variable-frequency and variable-speed electric machine. The variable-frequency adjustable-speed motor is adopted, so that the cutting knife 50 can rotate at different rotating speeds, and the cutting knife is suitable for cutting workpieces 40 made of different materials.

Referring to fig. 3, the vertical driving mechanism is the same as the sliding driving table 30 in structure, the vertical moving mechanism 10 includes a first motor 11 and a first lead screw 12 vertically arranged, the first lead screw 12 is in transmission connection with the cutting knife 50 through a transmission arm 13, the transmission arm 13 is in threaded connection with the first lead screw 12, the transmission arm 13 is fixedly connected with the cutting knife 50, the first motor 11 drives the first lead screw 12 to rotate, and the cutting knife 50 is driven to move up and down along the vertical direction. The sliding driving table 30 includes a second motor and a second lead screw arranged along the horizontal direction, the second lead screw is in threaded connection with the bottom end of the fixed table 21, the second motor drives the second lead screw to rotate, so that the fixed table 21 is driven to move back and forth along the horizontal direction, and the position of the workpiece 40 to be cut is adjusted by adjusting the position of the fixed table 21. Adopt screw drive's mode, can make cutting knife 50 keep high stability reciprocating the in-process respectively, ensure that the cutting is accomplished smoothly, make the position adjustment of fixed station 21 more accurate simultaneously, make the cable treat notched position more accurate.

The vertical moving mechanism 10 further includes a first guide post 14 juxtaposed to the first lead screw 12, and the first guide post 14 is slidably connected to the transmission arm 13 through a linear bearing. Similarly, the slide driving stage 30 also includes a second guide post juxtaposed to the second lead screw, and the first guide post 14 and the second guide post are respectively adopted to keep the cutting knife 50 and the fixed stage 21 stable during the movement.

The vertical movement mechanism 10 has the same structure as the slide drive table 30, and is different from the above embodiment in that: besides adopting a screw rod transmission mode, the air cylinder can be utilized to respectively realize the requirements of vertical movement of the cutting knife 50 or transverse movement of the fixed table 21. Wherein, vertical moving mechanism 10 includes first fixing base, first cylinder and fixes the first slider at first cylinder piston rod tip, and first slider is connected with cutting knife 50, and first cylinder is fixed in on the first fixing base. The sliding driving stage 30 includes a second fixing seat, a second cylinder and a second sliding block fixed on the end of the piston rod of the second cylinder, the second sliding block is fixedly connected with the bottom end of the fixing stage 21, and the second cylinder is fixed on the second fixing seat.

Referring to fig. 4 and 5, the difference from the above embodiments is that the present embodiment further includes a material conveying mechanism 70, a material conveying outlet 71 is disposed on the material conveying mechanism 70, at least one driving wheel 72 and at least one driven wheel 73 that are matched with each other are disposed around an inner side of the material conveying outlet 71, the driving wheel 72 is connected to a driving assembly 74, the driving wheel 72 and the driven wheel 73 are respectively abutted against an outer wall of the workpiece 40, and the driving assembly 74 drives the driving wheel 72 to rotate, so that the workpiece 40 moves along the direction of the material conveying outlet 71. Wherein the driving pulley 72 and the driven pulley 73 are movable in a radial direction of the feed delivery outlet 71 so as to accommodate workpieces 40 of different diameters.

Referring to fig. 6, the feeding mechanism 70 is provided with a slide rail 75 surrounding and communicating with the feeding outlet 71 and a slide block 76 slidably connected with the slide rail 75, one end of the slide rail 75 is provided with a fixed block 78, the fixed block 78 is connected with the slide block 76 through a spring 77, in this embodiment, the number of the slide rails 75 and the number of the slide blocks 76 are three, and the slide blocks are uniformly distributed at the inner side of the feeding outlet 71, the number of the driving wheels 72 is one, the number of the driven wheels 73 is two, and the driving wheels 72 and the two driven wheels 73 are respectively arranged on the three sets of the slide blocks. The driving wheel 72 and the driven wheel 73 are respectively arranged in the corresponding slide rails 75 and connected with the slide block 76. The driving wheel 72 and the two driven wheels 73 are respectively fixed on the three sets of corresponding sliders 76 through connecting rods. When the device works, the workpiece 40 is inserted along the direction of the material conveying outlet 71 and is arranged between the driving wheel 72 and the driven wheel 73, the device can adapt to workpieces 40 with different diameters under the action of the spring 77, and in order to avoid the phenomenon that the workpiece 40 slips in the conveying process, the device is provided with an anti-slip belt on the driving and/or driven disorder.

Wherein, the driving wheel 72 is connected with a driving component 74, and the driving wheel 72 and the driving component 74 are arranged on the same slide block 76. The drive assembly 74 includes a stepper motor coupled to the drive wheel 72 via a belt to effect rotation of the drive wheel 72.

Referring to fig. 4 to 6, in use, the driving wheel 72 and the driven wheel 73 clamp the workpiece 40, the driving assembly 74 drives the driving wheel 72 to drive the workpiece 40 to move forward or backward, so that one end of the workpiece 40 can move between the fixed table 21 and the pressing plate 23, the number of rotation turns of the driving assembly 74 is controlled according to the length of the workpiece 40 to be cut, the length of the workpiece 40 can be automatically selected, then the workpiece 40 can be fixed directly by using the workpiece fixing assembly, and the sliding driving table 30 is driven to adjust only the position of the workpiece 40 to adjust the fixed position of the workpiece 40, so that the stability of the workpiece 40 is improved; the material conveying mechanism 70 is utilized, which is beneficial to reducing the personnel cost.

The above is only a preferred embodiment of the present invention, but the present invention is not limited to the above embodiments, and the technical effects of the present invention should be included in the protection scope of the present invention as long as the technical effects are achieved by any of the same or similar means.

Claims

1. A cutting device characterized by: comprises a workpiece fixing component and a vertical moving mechanism which are arranged oppositely; the workpiece fixing assembly is used for clamping workpieces with different diameters; the bottom end of the workpiece fixing component is provided with a sliding driving table, and the sliding driving table is used for driving the workpiece fixing component to move along the horizontal direction; the vertical moving mechanism is connected with a rotatable cutting knife and can drive the cutting knife to move vertically; and a sample wafer recovery tank is arranged below the cutting knife.

2. The cutting device of claim 1, wherein: the workpiece fixing component comprises a fixing table, at least two waist-shaped holes arranged in parallel on the fixing table and a pressing plate used for pressing the workpiece, each waist-shaped hole is provided with two bolts, and a screw of each bolt penetrates through the pressing plate and the corresponding waist-shaped hole and is in threaded connection with a nut, so that the workpiece is fixed between the pressing plate and the fixing table.

3. The cutting device of claim 1, wherein: the vertical driving mechanism is the same as the sliding driving table in structure, the vertical moving mechanism comprises a first motor and a first lead screw which is vertically arranged, the first lead screw is in transmission connection with the cutting knife through a transmission arm, and the first motor drives the first lead screw to rotate so as to drive the cutting knife to move up and down along the vertical direction.

4. The cutting device of claim 3, wherein: the vertical moving mechanism further comprises a first guide pillar which is arranged in parallel with the first screw rod, and the first guide pillar is connected with the transmission arm in a sliding mode through a linear bearing.

5. The cutting device of claim 1, wherein: the vertical moving mechanism is the same as the sliding driving table in structure and comprises a first fixed seat, a first air cylinder and a first sliding block fixed at the end part of a piston rod of the first air cylinder, the first sliding block is connected with the cutting knife, and the first air cylinder is fixed on the first fixed seat.

6. The cutting device of claim 1, wherein: the cutting knife is connected to the driving end of the rotating motor in a transmission mode, and the tail end of the rotating motor is rotatably connected with the vertical moving mechanism.

7. The cutting device of claim 6, wherein: the rotating motor is a variable-frequency and adjustable-speed motor.

8. The cutting device of claim 1, wherein: still include a defeated material mechanism, be equipped with defeated material export in the defeated material mechanism, the inboard of defeated material export is around being provided with at least one action wheel and at least one from the driving wheel of mutually supporting, the action wheel is connected with drive assembly, the action wheel with from the driving wheel respectively with the outer wall looks butt of work piece, drive assembly drive the action wheel rotates, makes the work piece follow the direction of defeated material export removes.

9. The cutting device of claim 8, wherein: the material conveying mechanism is provided with a sliding rail surrounding and communicated with the material conveying outlet and a sliding block connected with the sliding rail in a sliding mode, a fixed block is arranged at one end of the sliding rail and connected with the sliding block through a spring, and the driving wheel and the driven wheel are arranged in the corresponding sliding rail and connected with the sliding block respectively.

10. The cutting device of claim 9, wherein: the slide rail with the quantity of slider is three groups, and the equipartition is in the inboard of defeated material export, the quantity of action wheel is one, the quantity from the driving wheel is two, action wheel and two set up respectively from the driving wheel on three groups the slider.