CN108162043A - A kind of automatic cutting cutting tool - Google Patents

A kind of automatic cutting cutting tool Download PDF

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Publication number
CN108162043A
CN108162043A CN201711440397.6A CN201711440397A CN108162043A CN 108162043 A CN108162043 A CN 108162043A CN 201711440397 A CN201711440397 A CN 201711440397A CN 108162043 A CN108162043 A CN 108162043A
Authority
CN
China
Prior art keywords
handle
tool
tool apron
guiding axis
scissors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711440397.6A
Other languages
Chinese (zh)
Inventor
李梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Bochai Robot Technology Co Ltd
Original Assignee
Ningbo Bochai Robot Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Bochai Robot Technology Co Ltd filed Critical Ningbo Bochai Robot Technology Co Ltd
Priority to CN201711440397.6A priority Critical patent/CN108162043A/en
Publication of CN108162043A publication Critical patent/CN108162043A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2628Means for adjusting the position of the cutting member
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08Means for actuating the cutting member to effect the cut
    • B26D5/10Hand or foot actuated means

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Cutting Devices (AREA)

Abstract

The present invention provides a kind of automatic cutting cutting tool, is related to cutting field of tool.Handle is specifically included, the length direction slip of the front end vertical handle of handle is provided with guiding axis, and the front end of handle is additionally provided with screw along decreased food direction, and screw extends vertically through and guiding axis, and the both ends of guiding axis are symmetrically arranged with the first tool apron;Scissors mechanism is provided between two group of first tool apron;The rear end part of handle is provided with button, by button control controller, so as to which screw be controlled to drive guiding axis activity, realizes the adjusting to cut width.Click button is only needed to can be adjusted to set cut width.Operation is more convenient, and it is accurate convenient to adjust, and greatly improves and cuts efficiency.

Description

A kind of automatic cutting cutting tool
Technical field
The invention belongs to cut field of tool, more particularly to a kind of automatic cutting cutting tool.
Background technology
Adhesive tape industry generally requires to be detected to sheet adhesive tape or without the base material or core material of gluing, the project of detection Have the adhesion strength of adhesive tape, retentivity, initial bonding strength, also base material core material elongation or tensile strength.Generally required before detection by Flaky material to be detected is cut into one fixed width.Under normal circumstances, cut width 10mm, 15mm, 20mm, 25mm and 50mm These types of specification.
Mode of operation relatively conventional at present is to retouch the point of a determining deviation on sheet product with ruler, is then aligned with ruler Respective point cut with knife or advanced point with it is commercially available sanction sample knife cut, even if but with sanction sample knife there is also there is also The inconvenience of sample could be cut out by needing to precisely align corresponding scale.And all there are inefficiency, cut width errors for these methods The shortcomings of larger.Chinese patent ZL201010619560.7 discloses a kind of dual-blade cutting tool adjustable in pitch, passes through sliding block tune The spacing between blade is saved, so as to fulfill the flaky material of specific width is cut out, but needs to pass through hand in specific implementation process Dynamic adjusting slider, operation is relatively complicated and the error of manual operation is larger, causes to cut efficiency low.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of automatic cutting cutting tool, solves the prior art by adjusting manually Section, error is big, ineffective technical problem.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of automatic cutting cutting tool, including handle, the length direction of the front end vertical handle of the handle slides setting There is guiding axis, the both ends of the guiding axis are symmetrically arranged with the first tool apron, and two group of first tool apron can be along guiding axis It does and moves back and forth relatively, be provided on first tool apron and cut the direction blade parallel with decreased food direction;
It is provided with scissors mechanism between two group of first tool apron, the scissors mechanism includes the first scissors rod and with first Scissors rod the second scissors rod arranged in a crossed manner, the one end of first scissors rod can be rotatablely connected with the first tool apron inner wall, separately One end is rotatablely connected with handle, and the one end of second scissors rod can be rotatablely connected with the first tool apron inner wall, the other end It can be rotatablely connected with the front end of handle of a knife;
The rear end part of the handle is provided with button, and the handle front end is provided with silk along the length direction of handle Bar, the screw is extended vertically through to be set in guiding axis;
Handle front position is provided with strut, and the upper end of the strut is provided with scale across two group of first tool apron, institute The upper end for stating strut is additionally provided with laser range finder, and the handle is additionally provided with controller, and the controller control motor drives Dynamic screw rotation, the screw rotation drive guiding axis to be slided along the length direction of handle;The button on off controller and The spacing between two the first tool aprons is preset, the laser range finder monitors the spacing and start-up and shut-down control between two the first tool aprons Device.
Preferably, equidistantly preset the spacing between two the first tool aprons by the button, the distance for 3~ 50mm。
Preferably, the guiding axis also slides in the outside of the first tool apron is provided with the second tool apron, on second tool apron It is provided with and cuts the direction blade parallel with decreased food direction;Spacing tune is provided between first tool apron and the second tool apron Section structure.
Preferably, the spacing adjustment structure is spring or telescopic rod.
Preferably, the guiding axis is alongst provided with scale in the outside of the second tool apron.
Preferably, the guiding axis is provided with limited block, the limited block and the guiding axis on the outside of the second tool apron It is threadedly coupled.
Preferably, bulge loop is provided in the middle part of the guiding axis, the handle front end has L-shaped guide groove and is set on The pilot hole of handle front end, the port of the L-shaped guide groove are equipped with handle upper end face, and the L-shaped guide groove includes vertical component effect Point and horizontal component, and the guiding axis is laterally disposed in the vertical component and can move back and forth in horizontal component and will described in Bulge loop is limited in pilot hole.
Preferably, the scissors mechanism includes two the first scissors rods setting up and down and setting up and down two second are cut Fork arm, described two first scissors rods are longitudinally connected by the first connecting shaft, and described two second scissors rods pass through the second connection Axis is longitudinally connected, and first connecting shaft is then located in pilot hole and can move back and forth, before second connecting shaft is set on handle End.
(3) advantageous effect
The present invention provides a kind of automatic cutting cutting tools, have following advantageous effect:
1st, automatic cutting cutting tool of the present invention is provided with button in the rear end part of handle, starts controller by button, opens Motor driving screw rotation is opened, so as to control the distance between two blades, as long as distance determines rear moving handle, you can complete It cuts.The width cut is preset by button, laser range finder monitors the spacing between two the first tool aprons in real time, and spacing reaches Controller is stopped during preset width, realizes the automatic adjustment of spacing.Click button is only needed to can be adjusted to set Cut width.Operation is more convenient, and it is more accurate that spacing is adjusted, and greatly improves and cuts efficiency.
2nd, automatic cutting cutting tool of the present invention, logical guiding axis also slides in the outside of the first tool apron is provided with the second tool apron, the It is provided on two tool aprons and cuts the direction blade parallel with decreased food direction;Between being provided between first tool apron and the second tool apron Away from adjustment structure.The width of the first tool apron and the second tool apron is adjusted by spacing adjustment structure, as long as distance determines rear mobile hand Handle, you can completion is cut.During cutting, the blade of two the first tool aprons setting cuts out the material of given width, the Two the second tool aprons of the setting in the outside of one tool apron can cut out the material of two groups of given widths again with the first tool apron respectively Material, it is achieved thereby that once cutting out three parts of materials, cuts more efficient.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described.
Fig. 1 is the first viewing angle constructions schematic diagram of automatic cutting cutting tool of the embodiment of the present invention;
Fig. 2 is the second viewing angle constructions schematic diagram of automatic cutting cutting tool of the embodiment of the present invention;
Fig. 3 is the third viewing angle constructions schematic diagram of automatic cutting cutting tool of the embodiment of the present invention;
Fig. 4 is the vertical view of automatic cutting cutting tool of the embodiment of the present invention;
Fig. 5 is the sectional view of automatic cutting cutting tool of the embodiment of the present invention.
Wherein, handle 1, guiding axis 4, the first tool apron 5, the second tool apron 6, limited block 7, the first scissors rod 8, the second scissors rod 9th, button 10, spacing adjustment structure 11, L-shaped guide groove 12, vertical component 13, horizontal component 14, pilot hole 15, the first connecting shaft 16th, the second connecting shaft 17, strut 18, scale 19, screw 20, motor 21.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below will be in the embodiment of the present invention Technical solution be clearly and completely described, it is clear that described embodiment be part of the embodiment of the present invention rather than Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of automatic cutting cutting tool, as shown in Fig. 1~5, including handle 1, before the handle 1 The length direction slip of end vertical handle is provided with guiding axis 4, and the both ends of the guiding axis 4 are symmetrically arranged with the first tool apron 5, two group of first tool apron 5 can be done along guiding axis 4 to be moved back and forth relatively, and the side of cutting is provided on first tool apron 5 To the blade parallel with decreased food direction;
It is provided with scissors mechanism between two group of first tool apron 5, the scissors mechanism includes the first scissors rod 8 and with the One scissors rod 8, second scissors rod 9 arranged in a crossed manner, the one end and 5 inner wall of the first tool apron of first scissors rod 8 can the companies of rotation It connecing, the other end is rotatablely connected with handle 1, and one end and 5 inner wall of the first tool apron of second scissors rod 9 can be rotatablely connected, The other end and the front end of handle of a knife 1 can be rotatablely connected;
The rear end part of the handle 1 is provided with button 10, and 1 front end of handle is set along the length direction of handle 1 There is screw 20, the screw 20 is set perpendicular to guiding axis 4 and through guiding axis 4;
1 front position of handle is provided with strut 18, and the upper end of the strut 18 is provided with mark across two group of first tool apron 5 Ruler 19, the upper end of the strut 18 are additionally provided with laser range finder, and the handle 1 is additionally provided with controller, the controller Control motor 21 drives screw 20 to rotate, and the rotation of screw 20 drives guiding axis 4 to be slided along the length direction of handle;It is described Spacing between 10 on off controller of button and default two the first tool aprons 5, the laser range finder monitor two the first tool aprons 5 Between spacing and on off controller.
In specific implementation process, by the default width cut of button 10, then click 10 opening controller of button and open Dynamic motor driving screw 20 rotates, so as to which guiding axis 4 be driven to slide, so as to which scissors mechanism be driven to move, control two blades it Between distance, laser range finder monitor in real time two the first tool aprons between spacing, controller when spacing reaches preset width It is stopped, realizes the automatic adjustment of spacing.As long as moving handle 1 after distance determines, you can completion is cut.In implementation process Click button is only needed to can be adjusted to set cut width.Operation is more convenient, and it is accurate convenient to adjust, and greatly improves and cuts Efficiency.
In specific implementation process, the spacing between two the first tool aprons 5, the spacing are equidistantly preset by the button 10 Distance is 3~50mm.
It generally requires flaky material to be detected being cut into one fixed width before specific implementation process, detection.Implementing When, by equidistantly presetting cut width, such as can promising 10mm, 15mm, 20mm, 25mm and 50mm.It in the specific implementation, can be with Button 10 is set as 3, respectively start-stop button, add away from button and is subtracted away from button, setting is clicked primary plus preset away from button Spacing equidistantly increases, and clicks once to subtract and presets spacing away from button and equidistantly reduce, and for example, clicks primary plus presets spacing away from button Increase 1mm, 5mm.
In specific implementation process, also slided in the outside of the first tool apron 5 in above-mentioned guiding axis 4 and be provided with the second tool apron 6, on It states to be provided on the second tool apron 6 and cuts the direction blade parallel with decreased food direction;Above-mentioned first tool apron, 5 and second tool apron 6 Between be provided with spacing adjustment structure 11.
The width of the first tool apron and the second tool apron is adjusted by spacing adjustment structure in implementation process, distance determines rear Want moving handle, you can completion is cut.During cutting, the blade of two the first tool apron settings cuts out the material of given width Material, in two the second tool aprons of the setting in the outside of the first tool apron, can cut out two groups of both fixed widths again with the first tool apron respectively The material of degree, it is achieved thereby that once-through operation, cuts out three parts of materials, cut more efficient.
In specific implementation process, above-mentioned spacing adjustment structure 11 is spring or telescopic rod.
In specific implementation process, above-mentioned guiding axis 4 is alongst provided with scale in the outside of the second tool apron 6.
In specific implementation process, above-mentioned guiding axis 4 is provided with limited block 7, above-mentioned limited block in the outside of the second tool apron 6 7 are threadedly coupled with above-mentioned guiding axis 4.
Limited block is connected through a screw thread with guiding axis in implementation process, by outside rotary stopper block, then adjusts Spacing between one tool apron and the second tool apron is limited the movement of the second tool apron by limited block after spacing is determined, ensures to cut The accuracy of width.
In specific implementation process, above-mentioned 4 middle part of guiding axis is provided with bulge loop, and upper 1 front end of handle has L-shaped Guide groove 12 and the pilot hole 15 set on 1 front end of handle, the port of above-mentioned L-shaped guide groove 12 be equipped with 1 upper surface of handle, on It states L-shaped guide groove 12 and includes vertical component 13 and horizontal component 14, and above-mentioned guiding axis 4 is laterally disposed in above-mentioned vertical component 13 And it can move back and forth in horizontal component 14 and above-mentioned bulge loop is limited in pilot hole 15.
In specific implementation process, above-mentioned scissors mechanism includes two the first scissors rods 8 setting up and down and setting up and down Two the second scissors rods 9, the first scissors rod of above-mentioned two 8 is longitudinally connected by the first connecting shaft 16, and above-mentioned two second is cut Fork arm 9 is longitudinally connected by the second connecting shaft 17, and above-mentioned first connecting shaft 16, which is located at, to be oriented in 15 and can move back and forth, and above-mentioned the Two connecting shafts 17 are set on 1 front end of handle.
In implementation process, button 10 is clicked, controller starts motor 21 and screw 20 is driven to rotate, so as to drive guiding axis 4 slide in the horizontal part of guide groove 12, and guiding axis 4 can drive scissors mechanism to be oppositely oriented axis to move back during sliding It is dynamic, and then the first tool apron and blade can be driven to move, just energy easy adjustment, distance determine the distance between two such blade As long as moving handle afterwards, you can completion is cut.
In conclusion the embodiment of the present invention has the advantages that compared with prior art:
1st, automatic cutting of embodiment of the present invention cutting tool is provided with button in the rear end part of handle, is started by button and controlled Device processed starts motor driving screw rotation, so as to control the distance between two blades, as long as moving handle after distance is determining, It can be completed and cut.The width cut is preset by button, laser range finder monitors the spacing between two the first tool aprons in real time, Controller is stopped when spacing reaches preset width, realizes the automatic adjustment of spacing.Only need click button i.e. adjustable To set cut width.Operation is more convenient, and it is more accurate that spacing is adjusted, and greatly improves and cuts efficiency.
2nd, automatic cutting of embodiment of the present invention cutting tool, logical guiding axis also slides in the outside of the first tool apron is provided with the second knife , it is provided on the second tool apron and cuts the direction blade parallel with decreased food direction;It is set between first tool apron and the second tool apron It is equipped with spacing adjustment structure.The width of the first tool apron and the second tool apron is adjusted by spacing adjustment structure, as long as after distance determines Moving handle, you can completion is cut.During cutting, the blade of two the first tool apron settings cuts out the material of given width Material, in two the second tool aprons of the setting in the outside of the first tool apron, can cut out two groups of both fixed widths again with the first tool apron respectively The material of degree it is achieved thereby that once cutting out three parts of materials, is cut more efficient.

Claims (8)

1. a kind of automatic cutting cutting tool, which is characterized in that including handle (1), the length of the front end vertical handle of the handle (1) Degree direction, which is slided, is provided with guiding axis (4), and the both ends of the guiding axis (4) are symmetrically arranged with the first tool apron (5), described two groups First tool apron (5) can be done along guiding axis (4) it is opposite moves back and forth, be provided on first tool apron (5) cut direction with The parallel blade in decreased food direction;
It is provided with scissors mechanism between two group of first tool apron (5), the scissors mechanism includes the first scissors rod (8) and with the One scissors rod (8) the second scissors rod (9) arranged in a crossed manner, the one end of first scissors rod (8) and the first tool apron (5) inner wall It can be rotatablely connected, the other end is rotatablely connected with handle (1), in the one end and the first tool apron (5) of second scissors rod (9) Wall can be rotatablely connected, and the other end and the front end of handle of a knife (1) can be rotatablely connected;
The rear end part of the handle (1) is provided with button (10), handle (1) front end along handle (1) length direction Screw (20) is provided with, the screw (20) extends vertically through to be set in guiding axis (4);
Handle (1) front position is provided with strut (18), and the upper end of the strut (18) is set across two group of first tool apron (5) There is scale (19), the upper end of the strut (18) is additionally provided with laser range finder, and the handle (1) is additionally provided with controller, The controller control motor (21) drives screw (20) to rotate, and screw (20) rotation drives guiding axis (4) along handle Length direction slide;Spacing between button (10) on off controller and default two the first tool aprons (5), the laser Rangefinder monitors the spacing and on off controller between two the first tool aprons (5).
2. automatic cutting cutting tool as described in claim 1, which is characterized in that by equidistantly default two the, the button (10) Spacing between one tool apron (5), the distance are 3~50mm.
3. automatic cutting cutting tool as described in claim 1, which is characterized in that the guiding axis (4) is in the outer of the first tool apron (5) Side, which is also slided, is provided with the second tool apron (6), is provided with that cut direction parallel with decreased food direction on second tool apron (6) Blade;Spacing adjustment structure (11) is provided between first tool apron (5) and the second tool apron (6).
4. automatic cutting cutting tool as claimed in claim 3, which is characterized in that the spacing adjustment structure (11) for spring or Telescopic rod.
5. automatic cutting cutting tool as claimed in claim 3, which is characterized in that the guiding axis (4) is in the outer of the second tool apron (6) Side is alongst provided with scale.
6. automatic cutting cutting tool as claimed in claim 3, which is characterized in that the guiding axis (4) is in the outer of the second tool apron (6) Side is provided with limited block (7), and the limited block (7) is threadedly coupled with the guiding axis (4).
7. such as the automatic cutting cutting tool as described in as described in any one of claim 1~6, which is characterized in that in the middle part of the guiding axis (4) Bulge loop is provided with, handle (1) front end has L-shaped guide groove (12) and the pilot hole set on handle (1) front end (15), the port of the L-shaped guide groove (12) is equipped with handle (1) upper surface, and the L-shaped guide groove (12) is including vertical component (13) and horizontal component (14), and the guiding axis (4) is laterally disposed in the vertical component (13) and can be in horizontal component (14) move back and forth and the bulge loop is limited in pilot hole (15).
8. automatic cutting cutting tool as claimed in claim 7, which is characterized in that the scissors mechanism includes setting up and down two First scissors rod (8) and setting up and down two the second scissors rods (9), described two first scissors rods (8) pass through the first connection Axis (16) is longitudinally connected, and described two second scissors rods (9) are longitudinally connected by the second connecting shaft (17), first connecting shaft (16) then it is located in pilot hole (15) and can moves back and forth, second connecting shaft (17) is set on handle (1) front end.
CN201711440397.6A 2017-12-27 2017-12-27 A kind of automatic cutting cutting tool Pending CN108162043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711440397.6A CN108162043A (en) 2017-12-27 2017-12-27 A kind of automatic cutting cutting tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711440397.6A CN108162043A (en) 2017-12-27 2017-12-27 A kind of automatic cutting cutting tool

Publications (1)

Publication Number Publication Date
CN108162043A true CN108162043A (en) 2018-06-15

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Application Number Title Priority Date Filing Date
CN201711440397.6A Pending CN108162043A (en) 2017-12-27 2017-12-27 A kind of automatic cutting cutting tool

Country Status (1)

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CN (1) CN108162043A (en)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335477A (en) * 1972-09-29 1973-10-31 Creban Mfg Co Ltd Slitting of webs
CN201848893U (en) * 2010-10-28 2011-06-01 三能器具(无锡)有限公司 Multi-connection type flywheel knife with scales
CN102166756A (en) * 2010-12-22 2011-08-31 宁波大榭开发区综研化学有限公司 Space-adjustable dual-blade cutting tool
EP2769813A2 (en) * 2013-02-22 2014-08-27 Valmet Technologies, Inc. Method for calibrating the position of the slitter blades of a slitter-winder
CN203864276U (en) * 2014-05-09 2014-10-08 临沂大学 Four-line three-grid scriber
CN204546582U (en) * 2015-02-06 2015-08-12 江阴通利光电科技有限公司 A kind of coating cutting means
CN205367259U (en) * 2016-01-28 2016-07-06 金湖县恒祥塑料制品有限公司 Fluid pressure type automatically regulated inflation film manufacturing machine cutter is apart from device
CN205799602U (en) * 2016-06-14 2016-12-14 中国航空无线电电子研究所 A kind of cropping tool of adjustable cutting size
CN106743407A (en) * 2016-12-16 2017-05-31 河南智金网络技术有限公司 A kind of sheet material centering conveyer structure
CN107053346A (en) * 2017-04-26 2017-08-18 武汉科技大学 A kind of MDF sawing method and saw cutting device

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1335477A (en) * 1972-09-29 1973-10-31 Creban Mfg Co Ltd Slitting of webs
CN201848893U (en) * 2010-10-28 2011-06-01 三能器具(无锡)有限公司 Multi-connection type flywheel knife with scales
CN102166756A (en) * 2010-12-22 2011-08-31 宁波大榭开发区综研化学有限公司 Space-adjustable dual-blade cutting tool
EP2769813A2 (en) * 2013-02-22 2014-08-27 Valmet Technologies, Inc. Method for calibrating the position of the slitter blades of a slitter-winder
CN203864276U (en) * 2014-05-09 2014-10-08 临沂大学 Four-line three-grid scriber
CN204546582U (en) * 2015-02-06 2015-08-12 江阴通利光电科技有限公司 A kind of coating cutting means
CN205367259U (en) * 2016-01-28 2016-07-06 金湖县恒祥塑料制品有限公司 Fluid pressure type automatically regulated inflation film manufacturing machine cutter is apart from device
CN205799602U (en) * 2016-06-14 2016-12-14 中国航空无线电电子研究所 A kind of cropping tool of adjustable cutting size
CN106743407A (en) * 2016-12-16 2017-05-31 河南智金网络技术有限公司 A kind of sheet material centering conveyer structure
CN107053346A (en) * 2017-04-26 2017-08-18 武汉科技大学 A kind of MDF sawing method and saw cutting device

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