CN112223359A - Full-automatic precise hydraulic cutting machine - Google Patents

Full-automatic precise hydraulic cutting machine Download PDF

Info

Publication number
CN112223359A
CN112223359A CN202010855086.1A CN202010855086A CN112223359A CN 112223359 A CN112223359 A CN 112223359A CN 202010855086 A CN202010855086 A CN 202010855086A CN 112223359 A CN112223359 A CN 112223359A
Authority
CN
China
Prior art keywords
plate
cutting
output shaft
full
cutting machine
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
CN202010855086.1A
Other languages
Chinese (zh)
Inventor
周临震
代卢凯
赵华
胥传冬
张春伟
卢倩
杨琴
秦珂
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.)
Yancheng Institute of Technology
Original Assignee
Yancheng Institute of Technology
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 Yancheng Institute of Technology filed Critical Yancheng Institute of Technology
Priority to CN202010855086.1A priority Critical patent/CN112223359A/en
Publication of CN112223359A publication Critical patent/CN112223359A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B26D1/06Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
    • B26D1/08Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
    • 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
    • B26D7/27Means for performing other operations combined with cutting
    • B26D7/32Means for performing other operations combined with cutting for conveying or stacking cut product

Abstract

The invention belongs to the field of cutting machines, in particular to a full-automatic precise hydraulic cutting machine, which aims at solving the problems that the existing winding is wound by a winding drum during discharging, but if manual cutting is needed when cutting is needed at a certain position, the manual cutting wastes labor force and reduces working efficiency, and the long consumed time is caused by the need of stopping the machine to replace a material receiving barrel, the invention provides the following scheme, which comprises a base, wherein a vertical plate and a mounting seat are respectively and fixedly arranged on two sides of the top of the base, a winding shaft is rotatably arranged on one side of the mounting seat, the winding drum is sleeved on the outer side of the winding shaft, a transverse plate is fixedly arranged on one side of the vertical plate, a fixing plate is fixedly arranged on the bottom of the transverse plate, and a hydraulic cutting component is arranged on one side of the fixing plate. The time consumed by the intermediate link is saved, and the working efficiency is greatly improved.

Description

Full-automatic precise hydraulic cutting machine
Technical Field
The invention relates to the technical field of cutting machines, in particular to a full-automatic precise hydraulic cutting machine.
Background
The full name of the precision four-column cutting machine is a hydraulic precision four-column cutting machine, which belongs to a new product in the twenty-first century, is different from a mechanical precision four-column cutting machine in the seventies, a ninety-year oil pressure plane type, and a ninety-year end-stage oil pressure four-column single-rod type cutting machine, and has an integral Italian style, more advanced technology and more excellent performance. The cutting and processing method is widely applied to cutting and processing procedures in industries such as handbags, bags, shoes, leatherware, silk flowers, foam, plastic uptake, plush toys, sports goods, automobile goods, EVA and the like;
among the prior art, carry out the rolling through the reel in the ejection of compact, if need artifically tailor when a certain position wants to cut off, the labour is not only wasted and reduce work efficiency in the manual work is tailor, needs the shut down to change the receiving bucket, and the time that consumes is long, so we have provided a full-automatic accurate hydraulic cutting machine for solve the above-mentioned problem that proposes.
Disclosure of Invention
The invention aims to solve the problems that winding is carried out through a winding drum during discharging in the prior art, but if manual cutting is needed when cutting is needed at a certain position, the manual cutting wastes labor force and reduces working efficiency, and a material receiving barrel needs to be replaced after shutdown, so that the consumed time is long.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a full-automatic accurate hydraulic pressure cutting machine, includes the base, the top both sides of base fixed mounting have riser and mount pad respectively, and one side of mount pad is rotated and is installed the spool, and the outside cover of spool is equipped with the reel, one side fixed mounting of riser has the diaphragm, and the bottom fixed mounting of diaphragm has the fixed plate, the subassembly is decided to one side of fixed plate is provided with hydraulic pressure, the top of base is rotated and is installed the trip shaft, and the one end fixed mounting of trip shaft has the returning face plate, one side of returning face plate is rotated and is installed two drive shafts that the symmetry set up, and the outside of two drive shafts all can break away from the activity card and be equipped with the receipts storage bucket, all is provided with drive assembly in two drive shafts, the backing plate is decided to one side fixed mounting of returning face plate two that the symmetry.
Preferably, decide the subassembly in order to make things convenient for to decide the material, the subassembly is decided to hydraulic pressure includes the pneumatic cylinder of fixed mounting at the diaphragm top, the bottom of pneumatic cylinder output shaft runs through the top of diaphragm and extends to the below of diaphragm, and the bottom fixed mounting of pneumatic cylinder output shaft has the knife rest, and the bottom fixed mounting of knife rest has the sword of deciding, decide the sword and be located the top and decide the backing plate directly over.
Preferably, for stability and the accuracy nature of improvement cutting knife when longitudinal movement, one side fixed mounting of fixed plate has two slide rails that the symmetry set up, and slidable mounting has same slide on two slide rails, the bottom of slide and the top fixed mounting of knife rest, and two slides and two slide rails can not break away from sliding connection.
Preferably, for the convenience of accomplish the change work of receiving the storage bucket under the prerequisite of operation of not shutting down, the top fixed mounting of base has the upset motor, and the one end of upset motor output shaft and the one end fixed mounting of trip shaft, the bottom fixed mounting of base has the bracing piece, and one side of bracing piece has seted up the through-hole, and fixed mounting has the bearing in the through-hole, the one end of trip shaft runs through the inner circle of bearing and welds mutually with the inner circle of bearing.
Preferably, in order to make can not influence the work efficiency of deciding when changing the hand intercommunication, drive assembly includes first coiling motor and the second coiling motor of fixed mounting in returning face plate one side, the output shaft of first coiling motor and the output shaft of second coiling motor all run through one side of returning face plate and extend to the opposite side of returning face plate, and the one end of the output shaft of first coiling motor and the output shaft of second coiling motor respectively with the one end fixed mounting of two drive shafts.
When the cutting device is used, a material to be cut is wound on the outer side of a winding drum, one end of the winding drum is bonded on the outer side of an upper material receiving barrel, adhesive is coated on the outer sides of the two material receiving barrels, a switch of a first winding motor is pressed, the material to be cut is wound on the outer sides of the material receiving barrels, when the material is required to be cut, the switch of a turning motor is pressed, a turning shaft is made to rotate forwards or backwards for eighty degrees along with an output shaft of the turning motor, the two material receiving barrels are changed, the material to be cut is bonded with the outer sides of the material receiving barrels which are not wound, a switch of a hydraulic cylinder is pressed, a sliding plate can move downwards along with the output shaft of the hydraulic cylinder, a cutting knife can cut the material, the connection between the material receiving barrel below and the material is cut off, a cutting opening of the material is bonded on the material receiving barrel above the time, the hydraulic cylinder is reset, a second winding motor is started, compared with the traditional material cutting mode, the winding and cutting operation is continued, the automation degree is high, the manual strength is low, the replacement work of the material receiving barrel can be completed without stopping the machine, the time consumed by the intermediate link is saved, and the working efficiency is greatly improved;
in order to solve the problem that the collecting barrel is inconvenient to replace, the collecting barrel is movably clamped on the outer side of the driving shaft, a detachable movable clamping mode can be selected according to actual requirements, the outer side of the driving shaft and the inner ring of the collecting barrel can be used for movably clamping, the collecting barrel which is used for collecting and cutting can be replaced in the working process of the other collecting barrel, the machine does not need to be stopped for replacement, and the working efficiency is improved;
when deciding the material in order to solve, do not have the problem of atress part, decide the backing plate through two that set up in one side of returning face plate, can provide strong support for deciding the material, conveniently decide the material.
Drawings
FIG. 1 is a perspective view of a part of the structure of a full-automatic precision hydraulic cutting machine according to the present invention;
FIG. 2 is a schematic structural view of a turning plate of the full-automatic precise hydraulic cutting machine according to the present invention;
fig. 3 is an enlarged schematic view of a part a of the structure of fig. 2 of the full-automatic precision hydraulic cutting machine according to the present invention.
In the figure: the base plate is decided to 1 base, 2 mount pads, 3 reel, 4 riser, 5 diaphragm, 6 fixed plates, 7 slide, 8 knife rests, 9 cutting knives, 10 pneumatic cylinders, 11 trip shafts, 12 upset motors, 13 trip plates, 14 first rolling motors, 15 second rolling motors, 16 drive shafts, 17 receipts storage bucket, 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-3, a full-automatic precise hydraulic cutting machine comprises a base 1, a vertical plate 4 and a mounting seat 2 are respectively and fixedly arranged on two sides of the top of the base 1, and one side of the mounting seat 2 is rotatably provided with a scroll, the outer side of the scroll is sleeved with a winding drum 3, one side of the vertical plate 4 is fixedly provided with a horizontal plate 5, and the bottom of the transverse plate 5 is fixedly provided with a fixed plate 6, one side of the fixed plate 6 is provided with a hydraulic cutting assembly, the top of the base 1 is rotatably provided with a turnover shaft 11, and the one end fixed mounting of trip shaft 11 has a returning face plate 13, and one side of returning face plate 13 is rotated and is installed two drive shafts 16 that the symmetry set up, and the outside of two drive shafts 16 all can break away from movable clamping and be equipped with receiving bucket 17, all is provided with drive assembly on two drive shafts 16, and one side fixed mounting of returning face plate 13 has two of symmetry setting to decide backing plate 18, and hydraulic pressure is decided the subassembly and is located the top and decide backing plate 18 directly over.
The following further improvements are made on the basis of the first embodiment:
example two
In the invention, in order to conveniently cut the material, the hydraulic cutting assembly comprises a hydraulic cylinder 10 fixedly mounted at the top of the transverse plate 5, the bottom of an output shaft of the hydraulic cylinder 10 penetrates through the top of the transverse plate 5 and extends to the lower part of the transverse plate 5, a cutter rest 8 is fixedly mounted at the bottom of the output shaft of the hydraulic cylinder 10, a cutting knife 9 is fixedly mounted at the bottom of the cutter rest 8, and the cutting knife 9 is positioned right above the cutting backing plate 18.
In the invention, in order to improve the stability and the accuracy of the cutting knife 9 during longitudinal movement, two symmetrically arranged slide rails are fixedly arranged on one side of the fixed plate 6, the same slide plate 7 is slidably arranged on the two slide rails, the bottom of the slide plate 7 and the top of the knife rest 8 are fixedly arranged, and the two slide plates 7 and the two slide rails cannot be separated from sliding connection.
In the invention, in order to conveniently finish the replacement work of the material receiving barrel 17 on the premise of non-stop operation, the top of the base 1 is fixedly provided with the overturning motor 12, one end of an output shaft of the overturning motor 12 and one end of the overturning shaft 11 are fixedly arranged, the bottom of the base 1 is fixedly provided with the supporting rod, one side of the supporting rod is provided with a through hole, a bearing is fixedly arranged in the through hole, and one end of the overturning shaft 11 penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing.
In the invention, in order to ensure that the cutting work efficiency cannot be influenced when the hand communication 17 is replaced, the transmission component comprises a first winding motor 14 and a second winding motor 15 which are fixedly arranged on one side of the turnover plate 13, the output shaft of the first winding motor 14 and the output shaft of the second winding motor 15 both penetrate through one side of the turnover plate 13 and extend to the other side of the turnover plate 13, and one end of the output shaft of the first winding motor 14 and one end of the output shaft of the second winding motor 15 are respectively and fixedly arranged with one end of two driving shafts 16.
When the cutting machine is used, a material to be cut is wound on the outer side of a winding drum 3, one end of the winding drum 3 is bonded on the outer side of an upper material receiving barrel 17, bonding glue is coated on the outer sides of the two material receiving barrels 17, a switch of a first winding motor 14 is pressed, the material to be cut is wound on the outer side of the material receiving barrel 17, when the material is required to be cut, a switch of a turning motor 12 is pressed, a turning shaft 11 rotates forwards or backwards for eighty degrees along with an output shaft of the turning motor 12, the two material receiving barrels 17 are switched, the material to be cut is bonded with the outer side of the material receiving barrel 17 which is not wound, a switch of a hydraulic cylinder 10 is pressed, a sliding plate 7 moves downwards along with the output shaft of the hydraulic cylinder 10, a cutting knife 9 cuts the material, the connection between the material receiving barrel 17 below and the material is cut, a cutting opening of the material is bonded on the material receiving barrel 17 above the cutting machine, pneumatic cylinder 10 resets, starts second rolling motor 15, continues foretell rolling and decides the operation, decides the mode than traditional material, and degree of automation is high, and artifical intensity is low, need not to shut down and just can accomplish the change work of receiving bucket 17, has saved the time that the intermediate link consumes, has improved work efficiency greatly.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The utility model provides a full-automatic accurate hydraulic pressure cutting machine, includes base (1), its characterized in that, the top both sides of base (1) are fixed mounting respectively has riser (4) and mount pad (2), and one side of mount pad (2) is rotated and is installed the spool, and the outside cover of spool is equipped with reel (3), one side fixed mounting of riser (4) has diaphragm (5), and the bottom fixed mounting of diaphragm (5) has fixed plate (6), one side of fixed plate (6) is provided with the hydraulic pressure and decides the subassembly, the top of base (1) is rotated and is installed trip shaft (11), and the one end fixed mounting of trip shaft (11) has trip plate (13), one side of trip plate (13) is rotated and is installed two drive shafts (16) that the symmetry set up, and the outside of two drive shafts (16) all can break away from the activity card and be equipped with receipts storage bucket (17, all be provided with drive assembly on two drive shafts (16), backing plate (18) are decided to one side fixed mounting of returning face plate (13) two of symmetry setting, and the subassembly is decided to hydraulic pressure and is located the top and decide backing plate (18) directly over.
2. The full-automatic precise hydraulic cutting machine according to claim 1, wherein the hydraulic cutting assembly comprises a hydraulic cylinder (10) fixedly mounted at the top of a transverse plate (5), the bottom of an output shaft of the hydraulic cylinder (10) penetrates through the top of the transverse plate (5) and extends to the lower side of the transverse plate (5), a knife rest (8) is fixedly mounted at the bottom of the output shaft of the hydraulic cylinder (10), a cutting knife (9) is fixedly mounted at the bottom of the knife rest (8), and the cutting knife (9) is located right above a cutting backing plate (18).
3. A full-automatic precision hydraulic cutting machine according to claim 1, characterized in that one side of the fixed plate (6) is fixedly provided with two symmetrically arranged slide rails, the two slide rails are provided with the same slide plate (7) in a sliding manner, the bottom of the slide plate (7) and the top of the tool rest (8) are fixedly arranged, and the two slide plates (7) and the two slide rails cannot be separated from each other in a sliding manner.
4. The full-automatic precise hydraulic cutting machine according to claim 1, wherein the top of the base (1) is fixedly provided with a turnover motor (12), one end of an output shaft of the turnover motor (12) and one end of the turnover shaft (11) are fixedly arranged, the bottom of the base (1) is fixedly provided with a support rod, one side of the support rod is provided with a through hole, a bearing is fixedly arranged in the through hole, and one end of the turnover shaft (11) penetrates through an inner ring of the bearing and is welded with the inner ring of the bearing.
5. The full-automatic precise hydraulic cutting machine according to claim 1, wherein the transmission assembly comprises a first winding motor (14) and a second winding motor (15) which are fixedly installed on one side of the turning plate (13), an output shaft of the first winding motor (14) and an output shaft of the second winding motor (15) both penetrate through one side of the turning plate (13) and extend to the other side of the turning plate (13), and one ends of the output shaft of the first winding motor (14) and one end of the output shaft of the second winding motor (15) are respectively and fixedly installed with one ends of two driving shafts (16).
CN202010855086.1A 2020-08-24 2020-08-24 Full-automatic precise hydraulic cutting machine Pending CN112223359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010855086.1A CN112223359A (en) 2020-08-24 2020-08-24 Full-automatic precise hydraulic cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010855086.1A CN112223359A (en) 2020-08-24 2020-08-24 Full-automatic precise hydraulic cutting machine

Publications (1)

Publication Number Publication Date
CN112223359A true CN112223359A (en) 2021-01-15

Family

ID=74115873

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010855086.1A Pending CN112223359A (en) 2020-08-24 2020-08-24 Full-automatic precise hydraulic cutting machine

Country Status (1)

Country Link
CN (1) CN112223359A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115146477A (en) * 2022-07-20 2022-10-04 盐城工学院 Full-automatic cutting machine cooperative control method, system, medium, equipment and terminal

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205874816U (en) * 2016-07-12 2017-01-11 吴江市华运纺织品有限公司 Weaving is with stamp cutting device that weaves
CN206692135U (en) * 2017-04-20 2017-12-01 长兴博美纺织有限公司 Rotary rolling-up mechanism
CN107696126A (en) * 2017-09-04 2018-02-16 苏州欣航微电子有限公司 A kind of discarded blanket knife plate cutting retracting device
CN208378034U (en) * 2018-06-11 2019-01-15 东莞市鸿涂机械科技有限公司 A kind of automatic detection severing material receiving mechanism
CN209505034U (en) * 2018-07-31 2019-10-18 重庆凯格包装有限公司 A kind of four column hydraulic cutter of combined type full-automatic accurate
CN210260589U (en) * 2019-05-07 2020-04-07 杭州索康博能源科技股份有限公司 Novel photovoltaic module encapsulates cutting with EVA glued membrane device
CN210795155U (en) * 2019-08-15 2020-06-19 苏禾(天津)量子科技有限责任公司 Coiling mechanism is used in production of PC membrane
CN111482810A (en) * 2020-03-24 2020-08-04 苏州优敖智能科技有限公司 Double-end guillootine
CN114229553A (en) * 2021-12-21 2022-03-25 江苏海伟科智能装备有限公司 Full-automatic receiving mechanism of coating machine

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205874816U (en) * 2016-07-12 2017-01-11 吴江市华运纺织品有限公司 Weaving is with stamp cutting device that weaves
CN206692135U (en) * 2017-04-20 2017-12-01 长兴博美纺织有限公司 Rotary rolling-up mechanism
CN107696126A (en) * 2017-09-04 2018-02-16 苏州欣航微电子有限公司 A kind of discarded blanket knife plate cutting retracting device
CN208378034U (en) * 2018-06-11 2019-01-15 东莞市鸿涂机械科技有限公司 A kind of automatic detection severing material receiving mechanism
CN209505034U (en) * 2018-07-31 2019-10-18 重庆凯格包装有限公司 A kind of four column hydraulic cutter of combined type full-automatic accurate
CN210260589U (en) * 2019-05-07 2020-04-07 杭州索康博能源科技股份有限公司 Novel photovoltaic module encapsulates cutting with EVA glued membrane device
CN210795155U (en) * 2019-08-15 2020-06-19 苏禾(天津)量子科技有限责任公司 Coiling mechanism is used in production of PC membrane
CN111482810A (en) * 2020-03-24 2020-08-04 苏州优敖智能科技有限公司 Double-end guillootine
CN114229553A (en) * 2021-12-21 2022-03-25 江苏海伟科智能装备有限公司 Full-automatic receiving mechanism of coating machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115146477A (en) * 2022-07-20 2022-10-04 盐城工学院 Full-automatic cutting machine cooperative control method, system, medium, equipment and terminal

Similar Documents

Publication Publication Date Title
CN112223359A (en) Full-automatic precise hydraulic cutting machine
CN211590575U (en) Automatic curve edge bonding machine
CN214137176U (en) Automatic shearing water gap swinging plate film pasting equipment convenient for feeding and discharging
CN212734975U (en) Rotary machine tool drilling machine table
CN213918547U (en) Paper cutter with automatic aligning device
CN204799953U (en) Use numerical control turning equipment of automation equipment
CN207656483U (en) A kind of sand paper cutting handling device
CN213802158U (en) Automatic adhesive tape pasting structure for automatic paper splicing machine
CN211415300U (en) White film cutting machine
CN214818951U (en) Automatic cutting device of green printing product
CN210909359U (en) Annular workpiece grinding machine
CN212475526U (en) Cutting machine is used in polypropylene membrane production
CN218203492U (en) Comfortable type socks processing removes end of a thread device
CN220679200U (en) Round iron can indentation mechanism
CN212193441U (en) One-time forming cutting device for business card design
CN212740022U (en) Coiling mechanism with cutting structure
CN219484411U (en) Band saw with lifting table top
CN212270495U (en) Sheet cutting machine
CN218423809U (en) Megaphone production is with gluing equipment
CN215145852U (en) Feeding device for large metal cutting machine tool
CN218285655U (en) Shearing mechanism of glue printing machine
CN217316198U (en) Automatic feeding mechanism of vertical band sawing machine
CN212144748U (en) Positioning cutting machine for gear machining
CN215150015U (en) Bamboo ware processing is used for bamboo skin planing machine
CN216426199U (en) Automatic reel changing platform of pipe making machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210115

RJ01 Rejection of invention patent application after publication