CN109015923B - Length-adjustable wood cutting machine for building - Google Patents
Length-adjustable wood cutting machine for building Download PDFInfo
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- CN109015923B CN109015923B CN201811116782.XA CN201811116782A CN109015923B CN 109015923 B CN109015923 B CN 109015923B CN 201811116782 A CN201811116782 A CN 201811116782A CN 109015923 B CN109015923 B CN 109015923B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
Abstract
The invention discloses a length-adjustable wood cutting machine for buildings, which comprises a bottom plate, a cross beam and a lifting rod, wherein lower supports are arranged on two sides of the bottom plate, the lifting rod is arranged above the lower supports, an upper support is arranged at the top of the lifting rod, the cross beam is fixedly arranged above the upper support, and a reference plate is arranged on the side surface of the lower support on one side; the inside cavity structure that is of crossbeam, the bottom of cavity structure is provided with the spout, install the movable plate in the spout, the top of movable plate sets up the flank of tooth, the flank of tooth top is provided with drive gear, just drive gear with the flank of tooth meshes mutually. Has the advantages that: the position of the cutting piece can be adjusted according to the length of the wood to be cut, so that batch rapid cutting of the wood is realized, and the length of the cut wood can be ensured to be uniform; simple operation and convenient use.
Description
Technical Field
The invention relates to the field of building processing machinery, in particular to a length-adjustable wood cutting machine for buildings.
Background
Timber is the essential auxiliary material in the construction, according to the characteristic that different timber held, often uses timber in the field of different constructions, for example template auxiliary stay or as filler strip, fossil fragments etc. and all timber all need cut it according to the construction needs before using and cut off.
The applicant finds that at least the following technical problems exist in the prior art: when the existing wood cutting machine used in building construction is used for cutting, the cutting length needs constructors to measure section by section through a ruler, so that the cutting efficiency is low, and the equal length of wood in batch cutting cannot be guaranteed.
Disclosure of Invention
The invention aims to solve the problems, and provides a length-adjustable wood cutting machine for buildings, so as to solve the technical problems that the cutting efficiency of the wood cutting machine in the prior art is low, the uniform length of wood cannot be ensured during batch cutting, and the like. The preferable technical scheme in the technical schemes provided by the invention comprises the following steps: the position of the cutting piece can be adjusted according to the length of the wood to be cut, so that the section-by-section measurement is avoided, and the technical effects of uniform length of the cut wood in batch production and the like can be guaranteed.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a length-adjustable wood cutting machine for buildings, which comprises a bottom plate, a cross beam and a lifting rod, wherein lower supports are arranged on two sides of the bottom plate, the lifting rod is arranged above the lower supports, an upper support is arranged at the top of the lifting rod, the cross beam is fixedly arranged above the upper support, and a reference plate is arranged on the side surface of the lower support on one side;
the beam is internally provided with a cavity structure, the bottom of the cavity structure is provided with a chute, a moving plate is arranged in the chute, the top of the moving plate is provided with a tooth surface, a driving gear is arranged above the tooth surface, and the driving gear is meshed with the tooth surface; the bottom of the moving plate is provided with a cutting blade, and the cutting blade is fixed at the end part of one side of the moving plate; a driving shaft is installed in an inner hole of the driving gear, one end of the driving shaft is installed inside the cross beam through a bearing seat, a hand wheel is arranged on the outer side of the cross beam, the hand wheel is detachably installed at the end of the driving shaft, and the other end of the driving shaft is connected with a driving motor through a clutch;
a control panel is arranged on the front surface of the cross beam and is electrically connected with the lifting rod, the clutch and the driving motor;
the top of the beam is provided with a handle.
By adopting the length-adjustable wood cutting machine for buildings, the position of the cutting blade is adjusted according to the length of wood to be cut, under an automatic adjustment mode, the control panel controls the clutch to be sucked, so that the driving motor is connected with the driving shaft, the driving shaft is driven by the driving motor to rotate positively or negatively, the driving gear drives the moving plate to move leftwards or rightwards along the sliding groove through the tooth surface, so that the position of the cutting blade on the beam is adjusted, the end part of the wood leans against the reference plate during cutting, the lifting rod is contracted, the cutting blade moves downwards, so that the wood is cut, the position of the cutting blade can be manually adjusted, under the manual adjustment mode, the clutch is in a separation state, and at the moment, the driving gear can be rotated by rotating the hand wheel, thereby driving the moving plate to move and adjusting the position of the cutting blade.
Preferably, the lower support and the upper support are both arched.
Preferably, the front surface of the bottom plate is provided with scale marks.
Preferably, the driving gear is arranged in the middle of the cross beam.
Preferably, the sliding groove is a T-shaped groove, and one side of the sliding groove penetrates through the cross beam.
Preferably, the hand wheel is inserted into the drive shaft through a cross key.
Preferably, a cutting motor is installed on one side of the cutting blade and electrically connected with the control panel.
Has the advantages that: 1. the invention can adjust the position of the cutting blade according to the length of the wood to be cut, thereby realizing the batch rapid cutting of the wood and ensuring the unification of the lengths of the cut wood;
2. simple operation and convenient use.
3. The wood cutting machine has the advantages that the wood can be visually and accurately cut in the preset length, and the phenomena of saw clamping and tooth punching in the cutting process can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
fig. 3 is an enlarged view of the connection structure of the beam and the cutting blade of the present invention.
The reference numerals are explained below:
1. a base plate; 101. scale marking; 102. a reference plate; 2. a lower support; 3. an upper support; 4. a lifting rod; 5. cutting the slices; 6. moving the plate; 601. a tooth surface; 7. a drive gear; 8. a handle; 9. a cross beam; 901. a chute; 10. a drive shaft; 11. a clutch; 12. a drive motor; 13. a hand wheel; 14. a control panel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The first embodiment: referring to fig. 1-3, the invention provides a length-adjustable wood cutting machine for buildings, which comprises a bottom plate 1, a cross beam 9 and a lifting rod 4, wherein lower supports 2 are arranged on two sides of the bottom plate 1, the lifting rod 4 is arranged above the lower supports 2, an upper support 3 is arranged at the top of the lifting rod 4, the cross beam 9 is fixedly arranged above the upper support 3, and a reference plate 102 is arranged on the side surface of the lower support 2 on one side;
the inside of the beam 9 is of a cavity structure, the bottom of the cavity structure is provided with a chute 901, a moving plate 6 is installed in the chute 901, the top of the moving plate 6 is provided with a tooth surface 601, a driving gear 7 is arranged above the tooth surface 601, and the driving gear 7 is meshed with the tooth surface 601; the bottom of the moving plate 6 is provided with a cutting blade 5, and the cutting blade 5 is fixed at one side end of the moving plate 6; a driving shaft 10 is installed in an inner hole of the driving gear 7, one end of the driving shaft 10 is installed inside the cross beam 9 through a bearing seat, a hand wheel 13 is arranged on the outer side of the cross beam 9, the hand wheel 13 is detachably installed at the end part of the driving shaft 10, and the other end of the driving shaft 10 is connected with a driving motor 12 through a clutch 11;
a control panel 14 is arranged on the front surface of the cross beam 9, and the control panel 14 is electrically connected with the lifting rod 4, the clutch 11 and the driving motor 12;
the top of the beam 9 is provided with a handle 8, and the handle 8 is convenient for moving the cutting machine.
Preferably, the lower support 2 and the upper support 3 are both arched, and the arched lower support 2 is configured to be inserted into the bottom plate 1 from the bottom of the arch of the lower support 2 in a lateral direction when the wood to be cut is long, and the arched upper support 3 is configured to allow the moving plate 6 to pass through the middle of the arch of the upper support 3.
The front surface of bottom plate 1 is provided with scale mark 101, so sets up, is convenient for look over the position of cutting piece 5 through scale mark 101 audio-visually to avoid adopting the ruler to measure.
The driving gear 7 is arranged in the middle of the cross beam 9, so that the cross beam 9 is balanced in stress.
The sliding groove 901 is a T-shaped groove, one side of the sliding groove penetrates through the cross beam 9, and the sliding groove is arranged so that one end, far away from the cutting blade 5, of the moving plate 6 can extend out of the cross beam 9 when moving, and therefore the movable length of the cutting blade 5 is improved.
The hand wheel 13 is inserted into the driving shaft 10 through a cross key, and the arrangement is convenient for the installation and the disassembly of the hand wheel 13.
Cutting motor is installed to 5 one sides of cutting piece, and cutting motor is connected with control panel 14 electricity, so sets up, is convenient for make control panel 14 control cutting motor rotate to make cutting piece 5 carry out rotary cutting to timber.
By adopting the structure, the position of the cutting blade 5 is adjusted according to the length of wood to be cut, in an automatic adjustment mode, the control panel 14 controls the clutch 11 to suck, the driving motor 12 is connected with the driving shaft 10, the driving shaft 10 is driven to rotate forwards or backwards through the driving motor 12, the driving gear 7 drives the moving plate 6 to move leftwards or rightwards along the sliding groove 901 through the tooth surface 601, so that the position of the cutting blade 5 on the cross beam 9 is adjusted, in the cutting process, the end part of the wood is abutted against the reference plate 102, the lifting rod 4 is contracted, the cutting blade 5 moves downwards, so that the wood is cut, the position of the cutting blade 5 can be adjusted manually, in the manual adjustment mode, the clutch 11 is in a separation state, at the moment, the driving gear 7 can be rotated through rotating the hand wheel 13, so that the moving plate 6 is driven to move, and the position of the cutting blade 5 is adjusted.
Second embodiment: a length-adjustable wood cutting machine for buildings comprises a bottom plate 1, a cross beam 9 and a lifting rod 4, wherein lower supports 2 are arranged on two sides of the bottom plate 1, the lifting rod 4 is arranged above the lower supports 2, an upper support 3 is arranged at the top of the lifting rod 4, the cross beam 9 is fixedly arranged above the upper support 3, a reference plate 102 capable of sliding along the edge of the bottom plate 1 is arranged on the side surface of the lower support 2 on one side, the lower support 2 and the upper support 3 are both arched, and a scale mark 101 is arranged on the front surface of the bottom plate 1; a plurality of rotary rods parallel to the length direction of the wood are arranged in the middle hollow area of the bottom plate 1;
the beam 9 is internally provided with a cavity structure, the bottom of the cavity structure is provided with a chute 901, a moving plate 6 is arranged in the chute 901, the top of the moving plate 6 is provided with a tooth surface 601, a driving gear 7 is arranged above the tooth surface 601, and the driving gear 7 is meshed with the tooth surface 601; an inverted U-shaped mounting groove is formed in the bottom of the moving plate 6, a cutting blade 5 is fixed in the mounting groove, and the inverted U-shaped mounting groove is fixed at one side end of the moving plate 6; a driving shaft 10 is installed in an inner hole of the driving gear 7, one end of the driving shaft 10 is installed inside the cross beam 9 through a bearing seat, a hand wheel 13 is arranged on the outer side of the cross beam 9, the hand wheel 13 is detachably installed at the end of the driving shaft 10, and the other end of the driving shaft 10 is connected with a driving motor 12 through a clutch 11;
the surface of going towards benchmark board 102 one side on the mounting groove of falling the U-shaped is provided with ultrasonic length probe, and this ultrasonic length probe is located the straight line at the pivot place of cutting piece 5, and the next-door neighbour still is provided with ultrasonic height probe, the front surface mounting of crossbeam 9 has control panel 14, just control panel 14 with lifter 4, ultrasonic height probe, ultrasonic length probe clutch 11 with driving motor 12 electricity is connected, crossbeam 9 top is provided with handle 8.
In the first embodiment, when the length of the wood is adjusted, although the position of the cutting blade 5 on the moving plate 6 is automatically adjusted or manually adjusted by a hand wheel by referring to the scale on the bottom plate 1, since the cutting blade has a longer vertical distance from the scale on the bottom plate 1, which scale line corresponds to the position under the current cutting blade 5 cannot be accurately known, that is, the cutting length of the wood cannot be accurately controlled; in addition, in the cutting process, the cutting blade 5 needs to go deep to the bottom of the wood to be able to completely cut off the wood, but the process is easy to cause the phenomenon that the saw is blocked or the saw blade touches the bottom plate to cause tooth punching. To address this drawback, the second embodiment adds the movable design of the ultrasonic height probe, the ultrasonic length probe and the reference plate 102, and the structure of the wood autorotation roller during the cutting process, so as to solve the technical drawbacks. The specific operation of the wood cutting machine in the second embodiment is as follows:
firstly, according to the preset cutting length of the wood, entering an automatic stroke mode: start driving motor 12 to drive cutting piece 5 under the movable plate 6 and move to the place ahead, at the removal in-process, this probe of 5 left ultrasonic length probes real-time supervision of pivot of cutting piece is apart from the distance x of datum plate 201, when this distance x equals to predetermine cutting length L and subtracts cutting piece 5 when to the distance m of this probe, driving motor 12 stop work, and the cutting piece is located near the destination this moment, then starts manual accurate regulation mode: the reference plate 102 is slid rightwards until the left edge of the reference plate is aligned with the target scale mark, the reference plate has a certain height, then the hand wheel 13 is manually rotated by using the reference plate as a reference to perform the precise movement of the moving plate 6 until the cutting blade 5 is aligned with the left edge of the reference plate, then the reference plate 102 is reversely slid on the bottom plate 1 to the original position, and at this time, the horizontal distance of the cutting blade is completely adjusted.
Firstly, the initial height of the ultrasonic height probe from the bottom plate 1 is a known fixed value H, before the compression rod 4 stretches, a signal measured by the ultrasonic height probe is H, the signal is the distance from the ultrasonic height probe to the top end of the wood, and the thickness of half of the wood is (H-H)/2, so that the distance of the stroke of the compression rod 4 needing to descend when the cutting blade 5 penetrates into the half thickness of the wood can be calculated as the sum of the distance from the bottom end of the cutting blade 5 to the surface of the wood and the thickness of the wood, namely (H-R) + (H-H)/2, wherein R is the radius of the circular cutting blade; get the shrink of this stroke distance back control lifter 4, make cutting piece 5 remove downwards, then contact and the cutting with timber, when the descending distance of compressing the pole equals above-mentioned stroke distance, the bottom of cutting piece 5 is located half thickness of timber this moment, then stop the decline of compressing the pole, and start a plurality of rotatory rods that are on a parallel with timber length direction that the fretwork region set up in the middle of bottom plate 1, make timber self rotation, in the in-process of rotation, cutting piece 5 lasts the original place cutting, treat that timber is rotatory 180 degrees after, then timber is cut off completely, as the redundant design that adapts to different shapes timber, can let timber rotation 200, even 300, this timber cutting finishes.
The movable reference plate in the design is used as a reference object of the ultrasonic horizontal probe in the automatic stroke in the front stage and also used as a height extension reference object of a target scale mark in the rear stage, so that the wood cutting length is accurately controllable. In the later stage, the ultrasonic height probe is matched with the rotary roller to realize that the cutting blade can be completely cut only by penetrating into half of the thickness of the wood, so that the defects of clamping and sawing and tooth punching are overcome, and the defect that the traditional method for cutting large-size wood can only completely cut by using the large-size cutting blade can be overcome.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a timber cutting machine of adjustable length for building which characterized in that: the lifting device comprises a bottom plate (1), a cross beam (9) and a lifting rod (4), wherein lower supports (2) are arranged on two sides of the bottom plate (1), the lifting rod (4) is arranged above the lower supports (2), an upper support (3) is installed at the top of the lifting rod (4), the cross beam (9) is fixedly installed above the upper support (3), a reference plate (102) capable of sliding along the edge of the bottom plate (1) is arranged on the side surface of the lower support (2) on one side, the lower supports (2) and the upper support (3) are both arched, and scales (101) are arranged on the front surface of the bottom plate (1); a plurality of rotary rods parallel to the length direction of the wood are arranged in the middle hollow area of the bottom plate (1);
the beam (9) is internally provided with a cavity structure, the bottom of the cavity structure is provided with a sliding chute (901), a moving plate (6) is installed in the sliding chute (901), the top of the moving plate (6) is provided with a tooth surface (601), a driving gear (7) is arranged above the tooth surface (601), and the driving gear (7) is meshed with the tooth surface (601); an inverted U-shaped mounting groove is formed in the bottom of the moving plate (6), a cutting blade (5) is fixed in the mounting groove, and the inverted U-shaped mounting groove is fixed at the end of one side of the moving plate (6); a driving shaft (10) is installed in an inner hole of the driving gear (7), one end of the driving shaft (10) is installed inside the cross beam (9) through a bearing seat, a hand wheel (13) is arranged on the outer side of the cross beam (9), the hand wheel (13) is detachably installed at the end of the driving shaft (10), and the other end of the driving shaft (10) is connected with a driving motor (12) through a clutch (11);
an ultrasonic length probe is arranged on the outer surface of one side, facing the reference plate (102), of the inverted U-shaped mounting groove, the ultrasonic length probe is located on a straight line where a rotating shaft of the cutting blade (5) is located, an ultrasonic height probe is further arranged close to the ultrasonic length probe, a control panel (14) is mounted on the front surface of the cross beam (9), the control panel (14) is electrically connected with the lifting rod (4), the ultrasonic height probe, the ultrasonic length probe, the clutch (11) and the driving motor (12), and a handle (8) is arranged at the top of the cross beam (9);
when the wood cutting machine is used, firstly, the cutting length is preset according to wood, and an automatic travel mode is entered: start driving motor to drive the cutting piece under the movable plate and remove to the place ahead, at the removal in-process, the left ultrasonic length probe real-time supervision of cutting piece pivot this probe apart from the distance x of benchmark board, when this distance x equals to predetermine cutting length L and subtracts the distance m of cutting piece to this probe, driving motor stop work, the cutting piece is located near the destination this moment, then starts manual accurate mode of regulation: sliding the base plate rightwards until the left edge of the base plate is aligned with a target scale mark, manually rotating a hand wheel by using the base plate as a reference to accurately move the moving plate until the cutting blade is aligned with the left edge of the base plate, and then sliding the base plate on the bottom plate in a reverse direction to an original position, wherein the horizontal distance of the cutting blade is adjusted;
firstly, the initial height of the ultrasonic height probe from a bottom plate is a known fixed value H, before a compression rod stretches, a signal measured by the ultrasonic height probe is H, the signal is the distance from the ultrasonic height probe to the top end of the wood, and the thickness of half of the wood is (H-H)/2, so that the distance of the stroke of the compression rod needing to be reduced when the cutting blade penetrates into the wood to be half of the thickness is calculated as the distance from the bottom end of the cutting blade to the surface of the wood and the thickness of the wood is added to be half of the thickness of the wood, namely (H-R) + (H-H)/2, wherein R is the radius of the circular cutting blade; the lifting rod is controlled to contract after the stroke distance is obtained, the cutting piece moves downwards, then the cutting piece is contacted with the wood and cut, when the descending distance of the compression rod is equal to the stroke distance, the bottom end of the cutting piece is located at half thickness of the wood at the moment, then the compression rod stops descending, a plurality of rotary rods parallel to the length direction of the wood are started, the hollow area in the middle of the bottom plate is arranged, the wood can rotate automatically, the cutting piece continuously cuts in place in the rotation process, and after the wood rotates 180 degrees, the wood is completely cut off.
2. The adjustable length lumber cutting machine for construction according to claim 1, wherein: the driving gear (7) is arranged in the middle of the cross beam (9).
3. The adjustable length lumber cutting machine for construction according to claim 1, wherein: the sliding groove (901) is a T-shaped groove, and one side of the sliding groove penetrates through the cross beam (9).
4. The adjustable length lumber cutting machine for construction according to claim 1, wherein: the hand wheel (13) is inserted into the driving shaft (10) through a cross key.
5. The adjustable length lumber cutting machine for construction according to claim 1, wherein: and a cutting motor is installed on one side of the cutting sheet (5), and the cutting motor is electrically connected with the control panel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116782.XA CN109015923B (en) | 2018-09-26 | 2018-09-26 | Length-adjustable wood cutting machine for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811116782.XA CN109015923B (en) | 2018-09-26 | 2018-09-26 | Length-adjustable wood cutting machine for building |
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| Publication Number | Publication Date |
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| CN109015923A CN109015923A (en) | 2018-12-18 |
| CN109015923B true CN109015923B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811116782.XA Active CN109015923B (en) | 2018-09-26 | 2018-09-26 | Length-adjustable wood cutting machine for building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2093352C1 (en) * | 1995-09-15 | 1997-10-20 | Григорий Николаевич Краснов | Milling machine and head for its cutting tool |
| CN203409349U (en) * | 2013-06-27 | 2014-01-29 | 艾默生管道工具(上海)有限公司 | Pipeline cutter |
| CN205764151U (en) * | 2016-05-31 | 2016-12-07 | 江西江冶实业有限公司 | A kind of accurate cutter sweep of red copper bar |
| CN206520057U (en) * | 2017-02-09 | 2017-09-26 | 青川县金丰竹业开发有限公司 | A kind of portable raw bamboo cutting equipment |
| CN107718194A (en) * | 2017-11-09 | 2018-02-23 | 颍上县皖佳保木业有限责任公司 | It is a kind of that there is the timber cutting processing equipment for drawing wood chip function |
| CN108081400A (en) * | 2017-12-18 | 2018-05-29 | 贵阳锐航智能科技有限公司 | A kind of plank can cutting of fixed quantity equipment |
| CN108162070A (en) * | 2017-12-18 | 2018-06-15 | 袁萍 | A kind of high security plank cutting equipment for building |
| CN207789251U (en) * | 2018-01-04 | 2018-08-31 | 广州昊派家具有限公司 | A kind of furniture perforating device |
-
2018
- 2018-09-26 CN CN201811116782.XA patent/CN109015923B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2093352C1 (en) * | 1995-09-15 | 1997-10-20 | Григорий Николаевич Краснов | Milling machine and head for its cutting tool |
| CN203409349U (en) * | 2013-06-27 | 2014-01-29 | 艾默生管道工具(上海)有限公司 | Pipeline cutter |
| CN205764151U (en) * | 2016-05-31 | 2016-12-07 | 江西江冶实业有限公司 | A kind of accurate cutter sweep of red copper bar |
| CN206520057U (en) * | 2017-02-09 | 2017-09-26 | 青川县金丰竹业开发有限公司 | A kind of portable raw bamboo cutting equipment |
| CN107718194A (en) * | 2017-11-09 | 2018-02-23 | 颍上县皖佳保木业有限责任公司 | It is a kind of that there is the timber cutting processing equipment for drawing wood chip function |
| CN108081400A (en) * | 2017-12-18 | 2018-05-29 | 贵阳锐航智能科技有限公司 | A kind of plank can cutting of fixed quantity equipment |
| CN108162070A (en) * | 2017-12-18 | 2018-06-15 | 袁萍 | A kind of high security plank cutting equipment for building |
| CN207789251U (en) * | 2018-01-04 | 2018-08-31 | 广州昊派家具有限公司 | A kind of furniture perforating device |
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| CN109015923A (en) | 2018-12-18 |
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