CN210910368U - Fine work plank cutting device convenient to - Google Patents
Fine work plank cutting device convenient to Download PDFInfo
- Publication number
- CN210910368U CN210910368U CN201921226559.0U CN201921226559U CN210910368U CN 210910368 U CN210910368 U CN 210910368U CN 201921226559 U CN201921226559 U CN 201921226559U CN 210910368 U CN210910368 U CN 210910368U
- Authority
- CN
- China
- Prior art keywords
- baffle
- cutting
- joinery
- workbench
- cylinder
- 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.)
- Expired - Fee Related
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 49
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 239000002023 wood Substances 0.000 description 19
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model discloses a be convenient for carefully worker plank cutting device, comprises a workbench, first fluting and second fluting have been seted up to the upper end surface of workstation, first fluting is located second grooved one side, the first circular slot of a plurality of, a plurality of has all been seted up to first grooved both sides internal surface the equal movable mounting in inside of first circular slot has the movable rod, corresponding two position movable mounting between the movable rod has the cylinder, the inside fixed mounting of workstation has the motor, one side external fixed surface of motor installs the cutting wheel, the cutting wheel is located the grooved inside of second, the upper end surface of workstation is close to the fixed position of one side surface and installs first baffle. The utility model discloses, avoided the skew of joinery plank when the cutting, the staff of being convenient for has reduced joinery plank and cylindrical frictional force to cylindrical installation, and the physical power of staff has been saved in the removal of the joinery plank of being convenient for.
Description
Technical Field
The utility model relates to a joinery plank cutting technical field specifically is a joinery plank cutting device of being convenient for.
Background
The laminated wood board is a special laminated wood board which is manufactured by using wood laths spliced or hollow boards as core boards and covering two or more layers of laminated wood boards on two surfaces and gluing and pressing the core boards, and is widely applied to furniture manufacturing, sewing machine tables, carriages, ships and other production, building industry and the like.
Therefore, the device for conveniently cutting the block board by the fine work is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a joinery plank cutting device convenient to, the skew of having avoided the joinery plank when the cutting, the staff of being convenient for has reduced joinery plank and cylindrical frictional force to cylindrical installation, and the physical power of staff has been saved in the removal of the joinery plank of being convenient for to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a wood board cutting device convenient for fine work comprises a workbench, wherein a first notch and a second notch are formed in the outer surface of the upper end of the workbench, the first notch is located on one side of the second notch, a plurality of first circular grooves are formed in the inner surfaces of two sides of the first notch, a plurality of movable rods are movably mounted in the first circular grooves, a cylinder is movably mounted between the corresponding two movable rods, a motor is fixedly mounted in the workbench, a cutting wheel is fixedly mounted on the outer surface of one side of the motor and is located in the second notch, a first baffle is fixedly mounted on the outer surface of the upper end of the workbench, which is close to the outer surface of one side of the workbench, a fixed plate is fixedly mounted on the outer surface of one side of the workbench, a bolt is screwed on the outer surface of one side of the fixed plate, a second baffle is movably mounted on the outer surface of one side of the bolt, the outer surface of the lower end of the second baffle is provided with a groove, first sliding blocks are fixedly mounted at positions, close to the lower end, of inner surfaces of two sides of the groove, first sliding grooves are formed in the outer surfaces of the front end and the rear end of the workbench, and the first sliding blocks are connected with the two first sliding grooves in a sliding mode.
The slender wood board is placed on the workbench by an operator, the bolt on the fixed plate is rotated, the bolt drives the second baffle to move until the second baffle and the first baffle are both attached to the slender wood board, so that the moving direction of the wood board can be limited, the deviation of the slender wood board during cutting is avoided, the friction force generated by the movement of the slender wood board is reduced due to the fact that the outer surfaces of one sides of the first baffle and the second baffle are smooth surfaces, the operator presses the two cylindrical movable rods, the two movable rods extrude the spring through the second sliding block and the second sliding groove, the two movable rods can be installed inside the first circular groove, the cylinder can be conveniently installed by the operator, the elastic action of the spring prevents the two movable rods from being separated from the first circular groove, the power supply of the motor is switched on, the motor drives the cutting wheel to rotate, the operator pushes the slender wood board, and the slender wood board moves on the outer surface of the cylinder, the cylinder that the surface is the smooth surface passes through the movable rod and rotates in the inside of first circular slot, has reduced the friction of carefully doing skill plank and cylindrical, and the removal of the plank of being convenient for carefully doing skill has saved staff's physical power.
Preferably, the outer surfaces of the cylinders are smooth surfaces, the specifications of the cylinders are the same, and the outer surfaces of the corresponding sides of the first baffle and the second baffle are smooth surfaces.
The cylindrical outer surface is the smooth surface and is convenient for the removal of the carefully engineered wood board, has reduced the frictional force of carefully engineered wood board and cylinder, and the one side surface of first baffle and second baffle is the smooth surface and has reduced the frictional force that carefully engineered wood board removed.
Preferably, the outer surfaces of two sides of the cylinder are provided with second circular grooves, the inner surfaces of the upper end and the lower end of each second circular groove are provided with second sliding grooves, the inner parts of the four second sliding grooves are connected with second sliding blocks in a sliding mode, and the four second sliding blocks are fixedly connected with the movable rod respectively.
The second circular groove, the second sliding block and the second sliding groove are convenient for installation of the movable rod and the first circular groove.
Preferably, springs are arranged between the two corresponding movable rods and the two second circular grooves.
The spring is convenient for the installation and the dismantlement of movable rod and first circular slot.
Preferably, a movable column is fixedly mounted on the outer surface of one side of the bolt, a connecting groove is formed in the outer surface of one side of the second baffle, and the movable column is movably connected with the connecting groove.
The movable column and the connecting groove are convenient for the bolt to drive the second baffle to move.
Preferably, the height of the groove is larger than the height from the first sliding groove to the outer surface of the upper end of the cylinder, and the height between the cylinder and the outer surface of the upper end of the workbench is smaller than the height between the cutting wheel and the outer surface of the upper end of the workbench.
The groove is convenient for the second baffle to move, the second baffle is prevented from being blocked by the cylinder, and the height between the cylinder and the outer surface of the upper end of the workbench is smaller than the height between the cutting wheel and the outer surface of the upper end of the workbench, so that the cutting wheel can cut the block board.
Preferably, a wire is fixedly installed on the outer surface of one side of the motor, and the output end of the wire is electrically connected with the input end of the motor.
The motor of being convenient for drives the rotation of cutting wheel, and then the cutting wheel cuts the plank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, through the staff place the joinery plank on the workstation, the bolt on the rotatory fixed plate, the bolt drives the removal of second baffle, until second baffle and first baffle all laminate with the joinery plank, and then can restrict the moving direction of plank, avoided the deflection of joinery plank when the cutting, the friction that the joinery plank moved is reduced to one side surface of first baffle and second baffle, the staff presses two cylindrical movable rods, two movable rods extrude the spring through second slider and second spout, and then can install two movable rods inside the first circular slot, be convenient for the staff to the installation of cylinder, the elastic action of spring has avoided two movable rods to break away from first circular slot, switch on the power of motor, the motor drives the rotation of cutting wheel, the staff promotes the joinery plank, the joinery plank moves at cylindrical surface, the cylinder that the surface is the smooth surface passes through the movable rod and rotates in the inside of first circular slot, has reduced the friction of carefully doing skill plank and cylindrical, and the removal of the plank of being convenient for carefully doing skill has saved staff's physical power.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a view of the present invention showing the motor and the cutting wheel combined together;
fig. 3 is a combined view of the bolt and the second baffle plate of the present invention;
FIG. 4 is a view of the movable rod and the cylinder of the present invention;
fig. 5 is a combined view of the second circular groove and the spring according to the present invention.
In the figure: 1. a work table; 2. a first slot; 3. a second slot; 4. a first circular groove; 5. a movable rod; 6. a cylinder; 7. a second circular groove; 8. a motor; 9. a cutting wheel; 10. a first baffle plate; 11. a fixing plate; 12. a bolt; 13. a second baffle; 14. a first slider; 15. a first chute; 16. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a conveniently-slender wood board cutting device is shown in figures 1, 2, 4 and 5 and comprises a workbench 1, wherein a first notch 2 and a second notch 3 are formed in the outer surface of the upper end of the workbench 1, the first notch 2 is located on one side of the second notch 3, a plurality of first circular grooves 4 are formed in the inner surfaces of two sides of the first notch 2, movable rods 5 are movably mounted in the first circular grooves 4, a cylinder 6 is movably mounted between two corresponding movable rods 5, a motor 8 is fixedly mounted in the workbench 1, a cutting wheel 9 is fixedly mounted on the outer surface of one side of the motor 8, and the cutting wheel 9 is located in the second notch 3;
as shown in fig. 1, 2 and 3, the fixed position that the upper end surface of workstation 1 is close to one side surface installs first baffle 10, the fixed position that one side surface of workstation 1 is close to the top installs fixed plate 11, one side surface spiro union of fixed plate 11 has bolt 12, one side surface movable mounting of bolt 12 has second baffle 13, the recess has been seted up to the lower extreme surface of second baffle 13, and the equal fixed mounting in position that the both sides internal surface of recess is close to the lower extreme has first slider 14, first spout 15, two have all been seted up to both ends surface around workstation 1 first slider 14 respectively with two first spout 15 sliding connection.
By adopting the technical scheme, a worker places a block board on the workbench 1, rotates the bolt 12 on the fixed plate 11, the bolt 12 drives the second baffle 13 to move until the second baffle 13 and the first baffle 10 are both attached to the block board, so that the moving direction of the block board can be limited, the deviation of the block board during cutting is avoided, the outer surfaces of one sides of the first baffle 10 and the second baffle 13 are smooth surfaces, the friction force for moving the block board is reduced, the worker presses the two movable rods 5 of the cylinder 6, the two movable rods 5 extrude the spring 16 through the second slider and the second chute, the two movable rods 5 can be installed inside the first circular groove 4, the installation of the cylinder 6 by the worker is facilitated, the elastic action of the spring 16 prevents the two movable rods 5 from being separated from the first circular groove 4, the power supply of the motor 8 is switched on, the motor 8 drives the cutting wheel 9 to rotate, the staff promotes the carefully worker plank, and the carefully worker plank removes at the surface of cylinder 6, and the cylinder 6 that the surface is the smooth surface passes through movable rod 5 and rotates in the inside of first circular slot 4, has reduced the frictional force of carefully worker plank and cylinder 6, and the removal of the carefully worker plank of being convenient for has saved staff's physical power.
Specifically, as shown in fig. 1 and 2, the outer surfaces of a plurality of cylinders 6 are all smooth surfaces, and the specifications thereof are the same, and the outer surfaces of the corresponding sides of the first baffle 10 and the second baffle 13 are all smooth surfaces.
Through adopting above-mentioned technical scheme, the surface of cylinder 6 is the removal of the carefully engineered wood board of being convenient for of smooth surface, has reduced the frictional force of carefully engineered wood board and cylinder 6, and the one side surface of first baffle 10 and second baffle 13 is the smooth surface and has reduced the frictional force that carefully engineered wood board removed.
Specifically, as shown in fig. 4 and 5, the second circular grooves 7 have been all seted up to the both sides surface of cylinder 6, two the second spout has all been seted up to the upper and lower both ends internal surface of second circular groove 7, and the equal sliding connection in inside of four second spouts has the second slider, and four second sliders respectively with movable rod 5 fixed connection.
Through adopting above-mentioned technical scheme, the installation of the movable rod 5 and the first circular slot 4 is convenient for in second circular slot 7, second slider, second spout.
Specifically, as shown in fig. 5, a spring 16 is disposed at a position between each of the two corresponding movable rods 5 and the two corresponding second circular grooves 7.
Through adopting above-mentioned technical scheme, spring 16 is convenient for the installation and the dismantlement of movable rod 5 and first circular slot 4.
Specifically, as shown in fig. 1 and 2, a movable column is fixedly mounted on an outer surface of one side of the bolt 12, a connecting groove is formed in an outer surface of one side of the second baffle 13, and the movable column is movably connected with the connecting groove.
Through adopting above-mentioned technical scheme, the removal that bolt 12 drove second baffle 13 is convenient for to activity post and spread groove.
Specifically, as shown in fig. 1 and 2, the height of the groove is greater than the height from the first sliding groove 15 to the outer surface of the upper end of the cylinder 6, and the height between the cylinder 6 and the outer surface of the upper end of the worktable 1 is less than the height between the cutting wheel 9 and the outer surface of the upper end of the worktable 1.
Through adopting above-mentioned technical scheme, the recess is convenient for the removal of second baffle 13, has avoided cylinder 6 to the blockking of second baffle 13, and the height between cylinder 6 and the 1 upper end surface of workstation is less than the height between cutting wheel 9 and the 1 upper end surface of workstation and is convenient for cutting wheel 9 and cuts the joinery plank.
Specifically, as shown in fig. 2, a lead is fixedly mounted on an outer surface of one side of the motor 8, and an output end of the lead is electrically connected with an input end of the motor 8.
Through adopting above-mentioned technical scheme, the motor 8 of being convenient for drives the rotation of cutting wheel 9, and then cutting wheel 9 cuts the plank.
What is worth explaining in this embodiment is the mounting principle of the movable lever 5.
The working principle is as follows: the block board is placed on the workbench 1 by a worker, the bolt 12 on the fixed plate 11 is rotated, the bolt 12 drives the second baffle 13 to move until the second baffle 13 and the first baffle 10 are both attached to the block board, so that the moving direction of the block board can be limited, the deviation of the block board during cutting is avoided, the outer surfaces of one sides of the first baffle 10 and the second baffle 13 are smooth surfaces, the friction force for moving the block board is reduced, the worker presses the two movable rods 5 of the cylinder 6, the two movable rods 5 extrude the spring 16 through the second slider and the second chute, the two movable rods 5 can be installed inside the first circular groove 4, the installation of the cylinder 6 by the worker is facilitated, the elastic action of the spring 16 prevents the two movable rods 5 from being separated from the first circular groove 4, the power supply of the motor 8 is switched on, the motor 8 drives the cutting wheel 9 to rotate, the staff promotes the carefully worker plank, and the carefully worker plank removes at the surface of cylinder 6, and the cylinder 6 that the surface is the smooth surface passes through movable rod 5 and rotates in the inside of first circular slot 4, has reduced the frictional force of carefully worker plank and cylinder 6, and the removal of the carefully worker plank of being convenient for has saved staff's physical power.
The using method comprises the following steps: when the device is used, firstly, a worker places a joinery board on the workbench 1, the bolt 12 on the fixed plate 11 is rotated, the bolt 12 drives the second baffle 13 to move until the second baffle 13 and the first baffle 10 are both attached to the joinery board, so that the moving direction of the board can be limited, the deviation of the joinery board during cutting is avoided, the outer surfaces of one side of the first baffle 10 and one side of the second baffle 13 are both smooth surfaces, the friction force for moving the joinery board is reduced, secondly, the worker presses the two movable rods 5 of the cylinder 6, the two movable rods 5 extrude the spring 16 through the second slider and the second chute, the two movable rods 5 can be installed inside the first circular groove 4, the installation of the worker on the cylinder 6 is facilitated, the elastic action of the spring 16 prevents the two movable rods 5 from being separated from the first circular groove 4, and the elastic coefficient of the spring 16 is 1N/CM, finally, a power supply of the motor 8 is connected, the motor 8 is JY-7124 in model, the motor 8 drives the cutting wheel 9 to rotate, the worker pushes the block board to move on the outer surface of the cylinder 6, and the cylinder 6 with the outer surface being a smooth surface rotates in the first circular groove 4 through the movable rod 5, so that the friction force between the block board and the cylinder 6 is reduced, the block board is convenient to move, and the physical strength of the worker is saved.
The installation method comprises the following steps:
firstly, assembling a workbench 1, a first slot 2, a second slot 3, a motor 8 and a cutting wheel 9;
secondly, assembling the cylinder 6, the second circular groove 7, the first circular groove 4, the movable rod 5 and the spring 16;
and thirdly, assembling the first baffle 10, the fixing plate 11, the bolt 12, the second baffle 13, the first sliding block 14 and the first sliding groove 15 to finish the installation.
The utility model provides a motor 8's product model is only for the use that this technical scheme goes on according to the structural feature of product, and its product can be adjusted and reform transform after purchasing, makes it match more and accord with the utility model discloses technical scheme belongs to, it is the technical scheme of this technical scheme best application, and the model of its product can be replaced and reform transform according to the technical parameter of its needs, and it is known for the technical staff that belongs to in the field, consequently, what technical staff that belongs to in the field can be clear passes through the utility model provides a technical scheme obtains corresponding result of use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a be convenient for slender industry plank cutting device, includes workstation (1), its characterized in that: the outer surface of the upper end of the workbench (1) is provided with a first notch (2) and a second notch (3), the first notch (2) is positioned on one side of the second notch (3), the inner surfaces of the two sides of the first notch (2) are respectively provided with a plurality of first circular grooves (4), a plurality of first circular grooves (4) are internally and movably provided with movable rods (5), a cylinder (6) is movably arranged between the two corresponding movable rods (5), a motor (8) is fixedly arranged inside the workbench (1), a cutting wheel (9) is fixedly arranged on the outer surface of one side of the motor (8), the cutting wheel (9) is positioned inside the second notch (3), a first baffle (10) is fixedly arranged on the outer surface of the upper end of the workbench (1) close to the outer surface of one side, and a fixed plate (11) is fixedly arranged on the outer surface of one side of the workbench (1) close to the upper side, the utility model discloses a workstation, including workstation (1), one side surface spiro union of fixed plate (11) has bolt (12), one side surface movable mounting of bolt (12) has second baffle (13), the lower extreme surface of second baffle (13) is seted up flutedly, and the both sides internal surface of recess is close to the equal fixed mounting in position of lower extreme has first slider (14), first spout (15), two have all been seted up to the both ends surface around workstation (1) first slider (14) respectively with two first spout (15) sliding connection.
2. The device for facilitating the cutting of a block of joinery as claimed in claim 1, wherein: the outer surfaces of the cylinders (6) are smooth surfaces, the specifications of the cylinders are the same, and the outer surfaces of one sides, corresponding to the first baffle (10) and the second baffle (13), of the cylinders are smooth surfaces.
3. The device for facilitating the cutting of a block of joinery as claimed in claim 1, wherein: second circular slot (7) have all been seted up to the both sides surface of cylinder (6), two the second spout has all been seted up to the upper and lower both ends internal surface of second circular slot (7), and the equal sliding connection in inside of four second spouts has the second slider, four second sliders respectively with movable rod (5) fixed connection.
4. A device for facilitating the cutting of a block of joinery as claimed in claim 3, wherein: springs (16) are arranged between the two corresponding movable rods (5) and the two second circular grooves (7).
5. The device for facilitating the cutting of a block of joinery as claimed in claim 1, wherein: the outer fixed surface of one side of bolt (12) installs movable post, the spread groove has been seted up to one side surface of second baffle (13), movable post and spread groove swing joint.
6. The device for facilitating the cutting of a block of joinery as claimed in claim 1, wherein: the height of the groove is larger than the height from the first sliding groove (15) to the outer surface of the upper end of the cylinder (6), and the height between the cylinder (6) and the outer surface of the upper end of the workbench (1) is smaller than the height between the cutting wheel (9) and the outer surface of the upper end of the workbench (1).
7. The device for facilitating the cutting of a block of joinery as claimed in claim 1, wherein: the outer fixed surface of one side of motor (8) installs the wire, the output of wire and the input electric connection of motor (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921226559.0U CN210910368U (en) | 2019-07-31 | 2019-07-31 | Fine work plank cutting device convenient to |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921226559.0U CN210910368U (en) | 2019-07-31 | 2019-07-31 | Fine work plank cutting device convenient to |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210910368U true CN210910368U (en) | 2020-07-03 |
Family
ID=71349348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921226559.0U Expired - Fee Related CN210910368U (en) | 2019-07-31 | 2019-07-31 | Fine work plank cutting device convenient to |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210910368U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111890476A (en) * | 2020-07-16 | 2020-11-06 | 栾钱兵 | Nimble high-efficient wood cutting equipment |
-
2019
- 2019-07-31 CN CN201921226559.0U patent/CN210910368U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111890476A (en) * | 2020-07-16 | 2020-11-06 | 栾钱兵 | Nimble high-efficient wood cutting equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204123492U (en) | The cold press that a kind of sheet material position is adjustable | |
CN104369423A (en) | Full-automatic glue spraying fillet machine and method for carrying out box forming through machine | |
CN204997781U (en) | Timber cutting machine | |
CN210910368U (en) | Fine work plank cutting device convenient to | |
CN208529307U (en) | A kind of manual wood floor cutting machine with floor hold-down mechanism | |
CN210210728U (en) | High-efficient veneer cutting device | |
CN109128897A (en) | Aluminum alloy pattern plate integral processing apparatus | |
CN211729579U (en) | Wood board bonding and clamping mechanism | |
CN210082114U (en) | Machining device for corner brace groove | |
CN110254854A (en) | Automatic winding device | |
CN217802211U (en) | Plywood compression fittings | |
CN216543926U (en) | Die table clamp for producing PC (polycarbonate) component | |
CN211590512U (en) | Wood board splicing device for solid wood furniture | |
CN210417229U (en) | Automatic winding device | |
CN212241400U (en) | Wood cutting equipment | |
CN103707103A (en) | Automatic saw cutting machine | |
CN102114664A (en) | The column assembly structure of the pressing device of the automatic edge banding machine | |
CN222233456U (en) | A cutting device for producing transformer core | |
CN215749688U (en) | Slitting device is used in slab core production | |
CN220074988U (en) | Wood board edge bonding machine for wood furniture production | |
CN219443877U (en) | Three-dimensional five-axis numerical control laser cutting machine | |
CN217044778U (en) | Planer-type sheet metal keyway planer is with side presser foot | |
CN221185662U (en) | Cutting equipment for aluminum veneer processing | |
CN222155890U (en) | Cutting machine for furniture production | |
CN103707380B (en) | A kind of threading machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 |
|
CF01 | Termination of patent right due to non-payment of annual fee |