KR101741721B1 - Tire code or air filter felt cutting machine - Google Patents

Tire code or air filter felt cutting machine Download PDF

Info

Publication number
KR101741721B1
KR101741721B1 KR1020150171973A KR20150171973A KR101741721B1 KR 101741721 B1 KR101741721 B1 KR 101741721B1 KR 1020150171973 A KR1020150171973 A KR 1020150171973A KR 20150171973 A KR20150171973 A KR 20150171973A KR 101741721 B1 KR101741721 B1 KR 101741721B1
Authority
KR
South Korea
Prior art keywords
cutter
main body
horizontal
support shaft
unit
Prior art date
Application number
KR1020150171973A
Other languages
Korean (ko)
Inventor
김진권
Original Assignee
김진권
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 김진권 filed Critical 김진권
Priority to KR1020150171973A priority Critical patent/KR101741721B1/en
Application granted granted Critical
Publication of KR101741721B1 publication Critical patent/KR101741721B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
    • B26D7/2614—Means for mounting the cutting member
    • B26D7/2621—Means for mounting the cutting member for circular cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting 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
    • B26D1/01—Cutting 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
    • B26D1/12—Cutting 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 cutting member moving about an axis
    • B26D1/14—Cutting 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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting 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
    • B26D1/01—Cutting 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
    • B26D1/12—Cutting 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 cutting member moving about an axis
    • B26D1/14—Cutting 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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/22—Cutting 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 cutting member moving about an axis with a circular cutting member, e.g. disc cutter coacting with a movable member, e.g. a roller
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/22—Safety devices specially adapted for cutting machines

Landscapes

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

Abstract

The present invention relates to a cutting device cutting a code paper of a tire and a nonwoven fabric for an air filter in a predetermined size. Specifically, a horizontal inlet is formed to be open in a main body in a horizontal direction, and the main body is not separated from a frame when a cutter of the main body connecting a mounting unit to the frame of the cutting device is changed. Only the cutter can be connected and separated by moving inside in a horizontal direction. As a horizontal guide unit is formed on the horizontal inlet of the main body, one side of a support shaft connected to the cutter moving inside through the horizontal inlet with a bearing can be guided. The support shaft of the cutter inserted into the horizontal guide unit by a horizontal inclined unit connected to a connection unit of a cylinder piston fixed to the upper part of the main body is supported by the connection unit of the piston so that the cutter easily ascends and descends. The horizontal guide unit is formed on a side of a cover connected to the main body by multiple screws. The other side of the support shaft connected to the cutter moving inside through the horizontal inlet with the bearing can be guided, and an extension unit is inserted into an installation groove formed in the main body. So, A space unit connected to easily rotate by a hinge shaft is formed in a safety cover. Therefore, the cutting device capable of easily changing the cutter can provide safety by usually blocking the horizontal inlet and can open the horizontal inlet when changing the cutter.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cutter,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutter for cutting a cord or a nonwoven fabric for an air filter of a tire to a predetermined size and more particularly to a cutter having a horizontally- The cutter can be coupled and separated in the horizontal direction without separating the main body from the frame, and a horizontal guide groove is formed in the horizontal entrance and exit of the main body so that the cutter, And the support shaft of the cutter inserted into the horizontal guide groove by the horizontal inclined hole connected to the coupling hole of the cylinder piston fixed to the upper side of the main body is supported by the engagement hole of the piston to facilitate the elevating operation of the cutter The side portions of the cover which are joined to the next main body by a plurality of screws A hollow space is formed in the cutter, which is formed by forming a hollow in the horizontal plane, to guide one side of the support shaft coupled with the bearing to the cutter that goes in and out through the horizontal entrance and inserts the extension into the installation groove formed in the main body, By providing a safety cover, it is possible to secure safety by securing the horizontal doorway normally. It can be opened when the cutter is exchanged. It does not separate the main body from the frame when the cutter is exchanged to the main body, The cutter can be joined and separated by horizontally moving the cutter only through the horizontal entrance which is opened. Therefore, the operation of exchanging the cutter is very simple and simple, so that the efficiency of the exchange work can be improved and the extension portion is inserted into the installation groove formed in the main body, A safety cover formed with a space portion that is so rotatably coupled by a shaft It is possible to secure the operator's safety by blocking the horizontal entrance formed in the horizontal direction in the horizontal direction, and to open the opening when the cutter is exchanged, so that the exchange of the cutter can be smoothly performed, The present invention relates to a cutter that can be easily replaced with a cutter capable of performing work.

In general, there is a "Utility Model Cutting Device for Tire Semi-Finished Products" filed by the Utility Model Registration No. 0116108, which is registered and registered as a cutter for cutting a cord or a nonwoven fabric for an air filter to a predetermined standard.

The above-mentioned technology relates to a cutting apparatus which cuts off a cord paper which is a semi-finished product of a tire to reduce cut noise and dust generation to a maximum and eliminates defects on a cord cut surface. The upper circular cutter has a height A lower circular cutter corresponding to the upper circular cutter is installed at an inclined position on the rotary shaft so that the upper cutter blade portion is tilted at a position in contact with the upper circular cutter 1 .

However, since the upper circular cutter is exposed, the above-described technique has a problem that safety accidents occur frequently during work, and workers are injured during work.

The conventional technique developed for solving the above problems solves the problem by incorporating the cutter 33 in the main body 1 as shown in Figs. 1 to 3.

That is, in the above-described conventional technique, a mounting portion 3 for mounting the main body 1 is formed on the frame 41 of the cutter, and on the upper side of the mounting portion 3, 5) can press the frame (41).

A cylinder 21 is mounted on the upper portion of the main body 1 and a coupling hole 23 is formed in the piston 22 coupled to the cylinder 21, Diameter holes 24 are formed so that the support shaft 31 of the cutter 33 can be moved vertically through the diameter hole 24 to be separated or coupled to the coupling hole 23. [

A vertical guide groove 4 is formed in the vertical entrance 2 of the main body 1 in conformity with the vertical diameter hole 24 formed in the piston 22 in the vertical direction and a through hole 12 is formed in the main body 1, The vertical guide hole 14 is also formed in the cover 11 fixed by the screws 13 fastened through the through-holes 13a.

In the conventional art as described above, when the pneumatic pressure is inputted through the pneumatic hose 25 of the cylinder 21, the piston 22 descends and descends the support shaft 31 coupled to the coupling hole 23, Cuts 43 such as a cord fabric or a nonwoven fabric for an air filter on a driving roller 42 on which a cutter 33 coupled with a bearing 32 on a shaft 32 is rotated while being lowered is shown in Figure 1 I will cut and cut together.

If the cutter 33 for cutting the cutter 43 is worn or partially damaged, it is necessary to replace the cutter 33 with a new cutter 33. When the cutter 33 is to be replaced, The cutter 33 can not be separated in the downward direction because the drive roller 42 is coupled to the lower portion of the cutter 33 coupled to the cutter 33. [

Therefore, the cutter 33 can be separated only after the main body 1 is first separated from the frame 41 of the cutter. The cutter 33 can be separated by releasing the adjustment bolt 6 of the main body 1, The mounting portion 3 of the main body 1 is completely separated from the frame 41 of the cutter as shown in Fig.

By separating the main body 1 from the frame 41, the engaging hole 23 formed in the piston 22 of the cylinder 21 and the diameter hole 24 connected thereto are opened in the downward direction The vertical guide groove 4 formed in the vertical entrance 2 of the main body 1 and the vertical guide hole 14 formed in the cover 11 are kept open since the lower part is free of obstructions.

When the cutter 33 is pulled in the next downward direction with a tool such as a nipper in a state where the vertical entrance 2 of the main body 1 is opened as described above, the support shaft 31 of the cutter 33 is pulled out of the piston 22 and is guided by the vertical diameter guide hole 24 of the piston 22 and the vertical guide groove 4 formed in the vertical entrance 2 of the main body 1, To the solid line position and separated from the main body (1).

As described above, in the conventional technique, the main body 1 must be separated from the frame 41 in order to exchange one of the cutters 33.

After the new cutter 33 is exchanged and the cutter 33 is engaged with the coupling hole 23 of the piston 22, the mounting portion 3 of the main body 1 is assembled to the frame 41, It is possible to replace one cutter 33 by clamping the cutter 6 with the nipper 5.

Therefore, there is a problem that a lot of labor and time are wasted by the operator in order to exchange one cutter 33 with the cutter.

In order to cut the cut 43 at a predetermined interval, a plurality of main bodies 1 are mounted on the above-mentioned cutter frame 41, and several dozens of main bodies 1 are mounted on the cutter frame 41, But also had the problem of reducing the efficiency and productivity by the delayed time during exchange.

SUMMARY OF THE INVENTION An object of the present invention is to solve such conventional problems,

When the cutter is exchanged with the main body, the main body is not separated from the frame, and only the cutter can be joined and separated in the horizontal direction through the horizontal entrance opening formed in the horizontal direction of the main body, so that the operation of exchanging the cutter is very simple and easy. A horizontal door which is opened horizontally in the body by a safety lid having a space formed by a hinge shaft so as to be rotatably engaged by insertion of an extension portion into an installation groove formed in the body, And at the same time, it is opened when the cutter is exchanged, so that it is possible to smoothly perform the replacement work of the cutter, so that it is possible to perform the exchange operation of the cutter very quickly and accurately.

According to an aspect of the present invention,

It is possible to insert and detach only the cutter in the horizontal direction without separating the main body from the frame when the cutter is exchanged with the main body in which the mounting portion is coupled to the frame of the cutter by forming a horizontal entrance opening in the horizontal direction in the main body, A horizontal guide groove is formed in the horizontal entrance to guide the other side of the support shaft which is coupled with the bearing to a cutter which goes in and out through the horizontal entrance and which is connected to the coupling hole of the cylinder piston fixed to the upper side of the main body The support shaft of the cutter inserted into the horizontal guide groove is supported by the engagement hole of the piston to facilitate the vertical movement of the cutter, and then the horizontal guide hole is formed in the side part of the cover coupled to the main body by a plurality of screws, To guide the one side of the support shaft coupled with the bearing to the cutter And a safety lid having a space portion formed by a hinge shaft so as to be rotatably inserted by inserting an extension portion into a mounting groove formed in the main body, thereby securing safety by securing the horizontal entrance port normally. When replacing the cutter, So that the object of the present invention can be achieved.

According to the present invention as described above, when the cutter is exchanged with the main body, only the cutter can be inserted and removed in the horizontal direction through the horizontal entry opening formed in the body in the horizontal direction without separating the main body from the frame, Is very simple and simple, so that the efficiency of the exchange operation can be improved.

According to the present invention as described above, a horizontal door which is horizontally opened in the body by a safety lid having an extended portion inserted into an installation groove formed in the body and formed with a space that is so rotatably coupled by the hinge shaft is normally closed, And at the same time, when the cutter is exchanged, it is opened to facilitate the replacement work of the cutter, so that there is a useful effect that the cutter exchange operation can be performed very quickly and accurately.

1 is a view for explaining the structure and operation of a conventional cutter combined with a cutter
2 is a side view showing a main body structure of a conventional cutter combined with a cutter
3 is a view for explaining a cutter exchange operation of a conventional cutter-coupled cutter
4 is a view for explaining the main body structure and operation of the cutter combined with the cutter of the present invention
5 is a side view showing a main body structure of a cutter combined with the cutter of the present invention
6 is a view for explaining a cutter exchange operation of a cutter combined with the cutter of the present invention

The construction of the present invention will be described in detail with reference to the accompanying drawings.
When the cutter 133 is exchanged with the main body 101 which attaches the mounting portion to the frame 41 of the cutting machine, only the cutter 133 is moved in the horizontal direction without separating the main body 101 from the frame 41, A horizontal entrance 102 formed in the body 101 so as to be separated in a horizontal direction,
A horizontal guide 122 formed on the horizontal entrance 102 of the main body 101 for guiding the other side of the support shaft 131 coupled with the bearing 132 to the cutter 133 which goes in and out through the horizontal entrance 102, A groove 103,
The support shaft 131 of the cutter 133 inserted into the horizontal guide groove 103 is supported by the engagement hole 123 of the piston 122 so that the upper portion of the main body 101 A horizontal inclined hole 124 connected to the coupling hole 123 of the piston 122,
Is coupled to the main body 101 by a plurality of screws 113 to guide one side of a support shaft 131 coupled with the bearing 132 to the cutter 133 which goes in and out through the horizontal entrance 102 A horizontal guide hole 114 formed in a side portion of the cover 111,

An extension portion 143 is formed in an installation groove 104 formed in the main body 101 so that the horizontal entry and exit port 102 can be normally closed to secure safety and opened when the cutter 133 is exchanged. And a safety cover 141 formed with a space 142 that is rotatably coupled by the hinge shaft 144. [

delete

delete

delete


Hereinafter, the operation of the present invention will be described.

delete

delete

FIG. 4 is a side view showing the main body structure of the cutter to which the cutter of the present invention is attached, and FIG. 5 is a side view showing the main body structure of the cutter combined with the cutter of the present invention, The piston 122 descends and the support shaft 131 coupled to the coupling hole 123 is lowered and further the cutter 130 coupled to the support shaft 131 by the bearing 132 133 cut the cuttings 43 such as the cord paper of the tire or the air filter nonwoven fabric on the driving roller 42 rotated while descending, as shown in FIG.

The safety lid 141 inserted into the installation groove 104 formed in the main body 101 and coupled with the hinge shaft 144 by rotation is inserted into the main body 101 through the space portion 142 The cutter 133 is prevented from being exposed to the horizontal entrance 102 of the cutter 133 and the worker can be prevented from being injured by the cutter 133.

When the cutter 133 for cutting the cut material 43 is worn or partially damaged as described above, it is necessary to replace the cutter 133 with a new cutter 133. When the cutter 133 is to be replaced, The cutter 133 can not be separated in the downward direction since the drive roller 42 is coupled to the lower portion of the cutter 133 coupled to the cutter 133. [

In the present invention, when the safety lid 141 covering the horizontal entrance 102 opened to one side of the main body 101 is placed outside, the extended portion 143 of the safety lid 141 is positioned on the side of the main body 101 The horizontal entrance 102 of the main body 101 is opened as shown by the imaginary line in FIG. 4 while being rotated by the hinge shaft 144 in the installation groove 104.

The cutter 133 is pushed in the next horizontal direction by using a tool such as a nipper and the support shaft 131 of the cutter 133 is moved in the horizontal direction by the piston 122 And is guided by the horizontal inclined hole 124 of the piston 122 and the horizontal guide groove 103 formed in the horizontal entrance 102 of the main body 101, Line position to be separated from the main body 1.

Even if the main body 101 of the present invention is mounted on the frame 41 of the cutter and the driving roller 42 is blocking the lower portion of the main body 101 of the present invention, The cutter 133 can be separated.

The new cutter 133 to be exchanged is received by the tool as described above and the one side and the other side of the support shaft 131 connected to the next cutter 133 and the bearing 132 are connected to the horizontal outlet The horizontal guide groove 103 formed in the cover 102 and the horizontal guide hole 114 formed in the cover 111 and coupled with the coupling hole 123 through the horizontal inclined hole 124 of the piston 122, It is finished.

When the replacement of the new cutter 133 is completed as described above, the safety cover 141 is rotated to block the horizontal entrance 102 of the main body 101, so that the safety of the operator can be achieved.

As described above, according to the present invention, when the cutter 133 is exchanged with the main body 101, the main body 101 is separated from the frame 41, and the horizontal entrance 102, Only the cutter 133 can be inserted and removed in the horizontal direction so that the operation of exchanging the cutter 133 is very simple and simple and the efficiency of the exchange work can be improved.

The safety cover 141 is formed by inserting the extended portion 143 into the installation groove 104 formed in the main body 101 and forming the space 142 to be rotatably coupled by the hinge shaft 144 It is possible to secure the safety of the operator by sealing the horizontal entrance 102 formed in the body 101 in the horizontal direction at the normal time and at the time of exchanging the cutter 133, So that it is possible to perform the exchange operation of the cutter 133 very quickly and accurately.

101-Body 102-Horizontal doorway
103-Horizontal guide groove 104-Installation groove
111 - Cover 112 -
113 - Vis 114 - Horizontal guide ball
121-cylinder 122-piston
123-bond ball 124-Horizontal slope ball
125 - Pneumatic hose 131 - Support shaft
132-Bearing 133-Cutter
141-safety cover 142-
143-Extension part 144-Hinge axis

Claims (3)

When the cutter 133 is exchanged with the main body 101 which attaches the mounting portion to the frame 41 of the cutting machine, only the cutter 133 is moved in the horizontal direction without separating the main body 101 from the frame 41, A horizontal entrance 102 formed in the body 101 so as to be separated in a horizontal direction,
A horizontal guide 122 formed on the horizontal entrance 102 of the main body 101 for guiding the other side of the support shaft 131 coupled with the bearing 132 to the cutter 133 which goes in and out through the horizontal entrance 102, A groove 103,
The support shaft 131 of the cutter 133 inserted into the horizontal guide groove 103 is supported by the engagement hole 123 of the piston 122 so that the upper portion of the main body 101 A horizontal inclined hole 124 connected to the coupling hole 123 of the piston 122,
Is coupled to the main body 101 by a plurality of screws 113 to guide one side of a support shaft 131 coupled with the bearing 132 to the cutter 133 which goes in and out through the horizontal entrance 102 A horizontal guide hole 114 formed in a side portion of the cover 111,
An extension portion 143 is formed in an installation groove 104 formed in the main body 101 so that the horizontal entry and exit port 102 can be normally closed to secure safety and opened when the cutter 133 is exchanged. And a safety cover (141) formed with a space portion (142) which is inserted into the hinge shaft (144) by rotation.
delete delete
KR1020150171973A 2015-12-04 2015-12-04 Tire code or air filter felt cutting machine KR101741721B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150171973A KR101741721B1 (en) 2015-12-04 2015-12-04 Tire code or air filter felt cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150171973A KR101741721B1 (en) 2015-12-04 2015-12-04 Tire code or air filter felt cutting machine

Publications (1)

Publication Number Publication Date
KR101741721B1 true KR101741721B1 (en) 2017-05-30

Family

ID=59052971

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150171973A KR101741721B1 (en) 2015-12-04 2015-12-04 Tire code or air filter felt cutting machine

Country Status (1)

Country Link
KR (1) KR101741721B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108772867A (en) * 2018-06-07 2018-11-09 湖北中烟工业有限责任公司 A kind of cigarette tipping paper cutting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120100975A1 (en) * 2010-10-21 2012-04-26 Elio Cavagna S.R.L. Tool change device for working apparatus of shearing machines

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120100975A1 (en) * 2010-10-21 2012-04-26 Elio Cavagna S.R.L. Tool change device for working apparatus of shearing machines

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108772867A (en) * 2018-06-07 2018-11-09 湖北中烟工业有限责任公司 A kind of cigarette tipping paper cutting device

Similar Documents

Publication Publication Date Title
CN211804423U (en) Supplementary frock of unloading of aluminium alloy pipe chute CNC cutting
CN213440065U (en) High-efficient carousel formula is towards rubber valve port machine
CN205927291U (en) Cutter is used in elevator guide rail processing
KR101741721B1 (en) Tire code or air filter felt cutting machine
CN113020396B (en) Automatic edge trimmer
CN214870927U (en) Cutting equipment is used in production of double-colored blanking cover
KR101804871B1 (en) Apparatus for rounding of plates
CN203578735U (en) Manual-automatic sprue cup cutting machine
KR102435207B1 (en) Apparatus for manufacturing a hinge
CN210524432U (en) Cutting device for machine parts
CN213320383U (en) Wallpaper edge cutting device for wallpaper production line
CN110549427B (en) Furniture production equipment with saw-dust clearance function
KR101223065B1 (en) Processing machine for weld bead of pipe
KR20020067023A (en) Cutting and punching machine
CN111843016A (en) Metal processing equipment
CN217192688U (en) Punching device for automobile parts
CN217453132U (en) Machining center is with loading attachment that can stabilize centre gripping
CN214978109U (en) Structure is dismantled to waste material
CN214769317U (en) Structure is dismantled in disconnection of cutting waste material
CN214323644U (en) Numerical control plate shearing machine that protectiveness is good
CN214768167U (en) Workpiece cutting structure
CN211680118U (en) Drilling equipment for machining speed reducer
CN220007137U (en) Deburring machine capable of preventing scraps from splashing
CN110355808B (en) Cutter cleaning mechanism of dividing and cutting machine
CN214768168U (en) Workpiece fixing structure

Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant