CN111531729A - Granite cutting device and stone cutting method - Google Patents

Granite cutting device and stone cutting method Download PDF

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Publication number
CN111531729A
CN111531729A CN202010537837.5A CN202010537837A CN111531729A CN 111531729 A CN111531729 A CN 111531729A CN 202010537837 A CN202010537837 A CN 202010537837A CN 111531729 A CN111531729 A CN 111531729A
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CN
China
Prior art keywords
cutting
driving
rock
plate
cut
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
CN202010537837.5A
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Chinese (zh)
Inventor
周卫
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.)
Shandong Nano New Material Technology Co ltd
Original Assignee
Shandong Nano New Material Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Nano New Material Technology Co ltd filed Critical Shandong Nano New Material Technology Co ltd
Priority to CN202010537837.5A priority Critical patent/CN111531729A/en
Publication of CN111531729A publication Critical patent/CN111531729A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/22Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by cutting, e.g. incising
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/02Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups
    • B28D7/04Accessories specially adapted for use with machines or devices of the preceding groups for supporting or holding work or conveying or discharging work

Abstract

The cutting device comprises a workbench, wherein the workbench is provided with a cutting device, a driving device and a clamping device, the cutting device is connected with the driving device, a guide plate is arranged above the workbench, the distance between the guide plate and the workbench is adjustable, an inclined guide groove is formed in the guide plate, and a driving mechanism drives the cutting device to reciprocate along the guide groove; the clamping device comprises a material supporting mechanism, and a clamping mechanism is arranged on the material supporting mechanism. Through setting up the deflector to set up the guide way on the deflector, can avoid the cutter to take place the skew of displacement in cutting process, improved the precision of cutting. The guide plate is adjustable in distance from the workbench, and requirements of rock masses of different heights can be met. The rock mass that treats the cutting is placed in the backup pad, and constructor need rotate the backup pad, just can adjust the position of rock mass, is convenient for cut the different positions of rock mass, has reduced working strength, has improved work efficiency.

Description

Granite cutting device and stone cutting method
Technical Field
The application relates to the technical field of granite cutting, in particular to a granite cutting device and a method for cutting stone.
Background
Granite (Granite), the main component of the continental crust, is a magma rock formed by the coagulation of magma below the surface of the earth, belonging to the deep invaded rock. Mainly comprises quartz or feldspar and other minerals. Granite is not easy to weather, beautiful in color, capable of keeping appearance color for more than one hundred years, and is used as a preferred material for outdoor carving besides being used as a high-grade architectural decoration project and a hall floor due to high hardness and wear resistance.
Granite is when being used for open-air sculpture, need carry out the cutting of chamfer to the corner of rock mass and decorate, adopt artifical handheld small-size electric cutting machine to cut among the prior art usually, the skew often can take place for the angle of cutting, can not accomplish the cutting according to predetermined cutting angle, when cutting the corner of different positions, need the staff to rotate around the rock mass and just can accomplish the cutting at a plurality of positions, cause the rock powder to splash easily among the cutting process, the polluted environment, influence constructor is healthy, the cutting procedure is loaded down with trivial details, low working efficiency.
Disclosure of Invention
To the problem that exists among the prior art, this application provides a granite cutting device and method of cutting stone material to reach and reduce working strength, improve work efficiency, realize the beneficial effect of accurate cutting.
The granite cutting device comprises a workbench, wherein a cutting device, a driving device and a clamping device are arranged on the workbench, the cutting device is connected with the driving device, a guide plate is arranged above the workbench, the distance between the guide plate and the workbench is adjustable, an inclined guide groove is formed in the guide plate, and a driving mechanism drives the cutting device to reciprocate along the guide groove; the clamping device comprises a material supporting mechanism, and a clamping mechanism is arranged on the material supporting mechanism.
Furthermore, the material supporting mechanism comprises a supporting plate, the supporting plate is rotatably connected with the workbench through a rotating shaft, a positioning hole is formed in the supporting plate, a mounting hole matched with the positioning hole is formed in the workbench, and the material supporting mechanism further comprises a positioning pin inserted into the positioning hole and the corresponding mounting hole.
Furthermore, the clamping mechanism comprises a transverse driving mechanism, a longitudinal driving mechanism, two longitudinal clamping plates arranged oppositely and two transverse clamping plates arranged oppositely, the longitudinal clamping plates and the transverse clamping plates are enclosed to form an accommodating cavity, a longitudinal guide rail matched with the longitudinal clamping plates is arranged on the supporting plate, a transverse guide rail matched with the transverse clamping plates is arranged on the supporting plate, the longitudinal clamping plates move along the longitudinal guide rail under the driving of the longitudinal driving mechanism, and the transverse clamping plates move along the transverse guide rail under the driving of the transverse driving mechanism.
Further, the cutting device comprises a tool rest and a cutter arranged on the tool rest, and the driving device drives the cutter to reciprocate along the guide groove.
Furthermore, the guide plate is connected with the workbench through a support rod, a cavity is enclosed by the guide plate, the support rod and the workbench, and the clamping device is arranged in the cavity.
Furthermore, the supporting rod adopts a telescopic rod.
Further, the height of the transverse clamping plate and the height of the longitudinal clamping plate are both smaller than the height of a rock body to be cut.
Furthermore, the number of the guide grooves is two, and the two guide grooves are symmetrically distributed on the guide plate.
Furthermore, the circumference of the supporting plate is provided with a handle, and the supporting plate is provided with a rock mass placing groove.
A method for cutting stone using a granite cutting device, comprising the steps of:
step one, placing a granite rock body to be cut in a rock body placing groove on a supporting plate;
secondly, starting a transverse driving mechanism and a longitudinal driving mechanism according to the width of the rock mass to be cut, and clamping the rock mass between a transverse clamping plate and a longitudinal clamping plate;
thirdly, adjusting the length of the supporting rod according to the height of the rock to be cut, so that the guide plate is fixed above the rock to be cut;
rotating the support plate, and arranging the corner to be cut of the rock mass to be cut below the guide groove;
inserting the positioning pins into the positioning holes and the corresponding mounting holes, and fixing the support plate with the workbench;
starting a driving device, driving the cutter to reciprocate along the guide groove by the driving device, and cutting the corner on the rock body to be cut;
and seventhly, taking out the positioning pin, rotating the support plate, aligning the other corners on the rock body to be cut with the guide grooves, inserting the positioning pin into the positioning hole and the corresponding mounting hole, starting the driving device, driving the cutter to reciprocate along the guide grooves by the driving device, and cutting the other corners on the rock body to be cut.
The beneficial effect of this application lies in:
1. the application provides a granite cutting device and method of cutting stone material is through setting up the deflector to set up the guide way on the deflector, can avoid the cutter to take place the skew of displacement in cutting process, improved the precision of cutting.
2. The setting of deflector plays the rock mass powder that prevents to produce among the cutting process and splashes, avoids environmental pollution, has ensured constructor's healthy.
3. The guide plate is adjustable in distance from the workbench, and requirements of rock masses of different heights can be met.
4. In the work progress, the rock mass of waiting to cut is placed in the backup pad, and the backup pad rotates with the workstation to be connected, and constructor just need rotate the backup pad, just can adjust the position of rock mass, is convenient for cut the different positions of rock mass, has reduced working strength, has improved work efficiency.
5. The clamping device comprises a material supporting mechanism, a clamping mechanism is arranged on the material supporting mechanism, the longitudinal clamping plate moves along the longitudinal guide rail under the driving of the longitudinal driving mechanism, the transverse clamping plate moves along the transverse guide rail under the driving of the transverse driving mechanism, rock masses with different sizes can be clamped and positioned, and the application range of the device is widened.
In addition, the design principle of the application is reliable, the structure is simple, and the application prospect is very wide.
Drawings
In order to more clearly illustrate the embodiments of the present application 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, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of a granite cutting device according to an embodiment of the present application.
FIG. 2 is a schematic diagram of a top view of a granite cutting device according to an embodiment of the present application.
In the figure, 1, a workbench, 2, a guide plate, 3, a guide groove, 4, a support plate, 5, a rotating shaft, 6, a positioning pin, 7, a transverse driving mechanism, 8, a longitudinal driving mechanism, 9, a longitudinal clamping plate, 10, a transverse clamping plate, 11, a cutter, 12, a support rod, 13, a rock body to be cut, 14, a handle, 15, a longitudinal guide rail, 16 and a transverse guide rail.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following explains key terms appearing in the present application.
As shown in the figure, the granite cutting device that this application provided, including circular shape workstation 1, be equipped with cutting device, drive arrangement and clamping device on the workstation 1, cutting device connects drive arrangement, does not draw drive arrangement in the figure. The upper portion of workstation 1 is equipped with deflector 2, and deflector 2 is on a parallel with the working face of workstation 1, links to each other through bracing piece 12 between deflector 2 and the workstation 1, deflector 2, bracing piece 12 and workstation 1 enclose into the cavity, the clamping device sets up in the cavity. The supporting rod 12 is a telescopic rod, a locking and positioning part is arranged on the telescopic rod, and the length of the supporting rod 12 is adjustable, so that rock masses of different heights can be cut conveniently.
The guide plate 2 plays a role of a protective cover, cutting rock powder can be prevented from splashing, the guide groove 3 plays a role in guiding and accurate positioning cutting, and the deviation of an angle is avoided in the cutting process of the cutter.
The guide plate 2 is provided with an inclined guide groove 3, the cutting device comprises a tool rest and a cutter 11 arranged on the tool rest, and the tool rest is arranged on the workbench 1. The driving device drives the cutter 11 to reciprocate along the guide groove 3, so that the rock body is cut. The tool holder and the drive means are not shown in the figure. For reducing area, the drive changes the device and adopts the cylinder in this application, and the cylinder body setting of cylinder is on the knife rest, and the output shaft drive cutter motion of cylinder. In other embodiments, the driving device may also adopt a hydraulic cylinder.
The clamping device comprises a material supporting mechanism, and a clamping mechanism is arranged on the material supporting mechanism. The material supporting mechanism comprises a supporting plate 4, the supporting plate 4 is arranged above the working platform 1, in the embodiment, the supporting plate 4 is of a circular structure, the center of the supporting plate 4 is rotatably connected with the working platform 1 through a rotating shaft 5, positioning holes are formed in the circumference of the supporting plate 4, mounting holes matched with the positioning holes are formed in the working platform 1, the material supporting mechanism further comprises positioning pins 6 inserted into the positioning holes and the corresponding mounting holes, and the positioning pins 6 fix the supporting plate and the working platform to be positioned.
In order to fix the rock to be cut conveniently, a rock placing groove is arranged on the supporting plate 4. In order to facilitate cutting different parts of the rock mass, the handles 14 are arranged in the circumferential direction of the supporting plate 4, a constructor rotates the supporting plate 4 by holding the handles 14, the position of the rock mass can be adjusted, corners to be cut are conveniently aligned to the guide grooves, accurate cutting is carried out, the constructor does not need to rotate around the rock mass for construction, and the working efficiency is improved.
The clamping mechanism comprises a transverse driving mechanism 7, a longitudinal driving mechanism 8, two longitudinal clamping plates 9 arranged oppositely and two transverse clamping plates 10 arranged oppositely, the transverse driving mechanism 7 and the longitudinal driving mechanism 8 both adopt motors, and output shafts of the motors are respectively connected with the longitudinal clamping plates 9 and the transverse clamping plates 10. The longitudinal clamping plate 9 and the transverse clamping plate 10 are enclosed to form an accommodating cavity, a longitudinal guide rail 15 matched with the longitudinal clamping plate 9 is arranged on the supporting plate 4, a transverse guide rail 16 matched with the transverse clamping plate 10 is arranged on the supporting plate 4, the transverse guide rail 16 is perpendicular to the longitudinal guide rail, the longitudinal clamping plate 6 moves along the longitudinal guide rail under the driving of the longitudinal driving mechanism, and the transverse clamping plate 10 moves along the transverse guide rail under the driving of the transverse driving mechanism, so that the clamping of the rock to be cut is realized.
The height of the transverse clamping plate 10 and the height of the longitudinal clamping plate 9 are both smaller than the height of a rock body 13 to be cut, the transverse clamping plate 10 and the longitudinal clamping plate 9 play a role in clamping the rock body, and the transverse clamping plate 10 and the longitudinal clamping plate 9 are prevented from being cut in the cutting process.
When the rock mass to be cut needs to be cut symmetrically on two sides, in order to improve the cutting efficiency, the number of the guide grooves 3 is two, the two guide grooves are symmetrically distributed on the guide plate 2, and the corresponding cutting devices and the driving devices are also oppositely provided with two sets, so that the cutting on two sides of the rock mass can be simultaneously realized. In other embodiments, the number of the guide grooves 3 can be set according to actual requirements.
The application also provides a method for cutting stone by using the granite cutting device, which comprises the following steps:
step one, placing a granite rock body to be cut in a rock body placing groove on a supporting plate;
secondly, starting a transverse driving mechanism and a longitudinal driving mechanism according to the width of the rock mass to be cut, and clamping the rock mass between a transverse clamping plate and a longitudinal clamping plate;
thirdly, adjusting the length of the supporting rod according to the height of the rock to be cut, so that the guide plate is fixed above the rock to be cut;
rotating the support plate, and arranging the corner to be cut of the rock mass to be cut below the guide groove;
inserting the positioning pins into the positioning holes and the corresponding mounting holes, and fixing the support plate with the workbench;
starting a driving device, driving the cutter to reciprocate along the guide groove by the driving device, and cutting the corner on the rock body to be cut;
and seventhly, taking out the positioning pin, rotating the support plate, aligning the other corners on the rock body to be cut with the guide grooves, inserting the positioning pin into the positioning hole and the corresponding mounting hole, starting the driving device, driving the cutter to reciprocate along the guide grooves by the driving device, and cutting the other corners on the rock body to be cut.
The device is suitable for rock masses with different sizes, the opening and closing of the motor can be controlled manually, the opening and closing of the motor can also be controlled through the control system, the control system has no invention point, and the detailed description is omitted.
According to the granite cutting device and the method for cutting stone, the guide plate is arranged, and the guide groove is formed in the guide plate, so that the cutter can be prevented from shifting in the cutting process, and the cutting accuracy is improved; meanwhile, the guide plate is arranged to prevent rock mass powder generated in the cutting process from splashing, so that environmental pollution is avoided, and the health of constructors is guaranteed; the distance between the guide plate 2 and the workbench 1 is adjustable, so that the requirements of rock masses with different heights can be met; in the construction process, the rock mass to be cut is placed on the supporting plate, the supporting plate is rotatably connected with the workbench, and constructors can adjust the position of the rock mass by rotating the supporting plate, so that the rock mass can be conveniently cut at different positions, the working strength is reduced, and the working efficiency is improved; the clamping device comprises a material supporting mechanism, a clamping mechanism is arranged on the material supporting mechanism, the longitudinal clamping plate 6 moves along a longitudinal guide rail under the driving of a longitudinal driving mechanism, and the transverse clamping plate 10 moves along a transverse guide rail under the driving of a transverse driving mechanism, so that rock masses with different sizes can be clamped and positioned, and the application range of the device is enlarged.
Although the present application has been described in detail with reference to the accompanying drawings in conjunction with the preferred embodiments, the present application is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present application by those skilled in the art without departing from the spirit and scope of the present application, and these modifications or substitutions are intended to be covered by the present application/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A granite cutting device, its characterized in that: the cutting device is connected with the driving device, a guide plate (2) is arranged above the workbench (1), the distance between the guide plate (2) and the workbench (1) is adjustable, an inclined guide groove (3) is formed in the guide plate (2), and the driving mechanism drives the cutting device to reciprocate along the guide groove (3); the clamping device comprises a material supporting mechanism, and a clamping mechanism is arranged on the material supporting mechanism.
2. The granite cutting device of claim 1, where: the material supporting mechanism comprises a supporting plate (4), the supporting plate (4) is rotatably connected with the workbench (1) through a rotating shaft (5), a positioning hole is formed in the supporting plate (4), a mounting hole matched with the positioning hole is formed in the workbench (1), and the material supporting mechanism further comprises a positioning pin (6) inserted into the positioning hole and the corresponding mounting hole.
3. The granite cutting device of claim 2, wherein: clamping mechanism includes horizontal actuating mechanism (7), vertical actuating mechanism (8), vertical pinch-off blades (9) and two horizontal pinch-off blades (10) that set up relatively of two relative settings, and vertical pinch-off blades (9) enclose with horizontal pinch-off blades (10) and become and hold the cavity, be equipped with on backup pad (4) with vertical pinch-off blades (9) assorted longitudinal rail (15), be equipped with on backup pad (4) with horizontal pinch-off blades (10) assorted transverse rail (16), vertical pinch-off blades (6) move along longitudinal rail under vertical actuating mechanism's drive, horizontal pinch-off blades (10) move along transverse rail under horizontal actuating mechanism's drive.
4. The granite cutting device of claim 1, where: the cutting device comprises a tool rest and a cutter (11) arranged on the tool rest, and the driving device drives the cutter (11) to reciprocate along the guide groove.
5. The granite cutting device of claim 1, where: the guide plate (2) is connected with the workbench (1) through a support rod (12), a cavity is formed by the guide plate (2), the support rod (12) and the workbench (1) in a surrounding mode, and the clamping device is arranged in the cavity.
6. The granite cutting device of claim 5, where: the supporting rod (12) adopts a telescopic rod.
7. The granite cutting device of claim 3, where: the height of the transverse clamping plate (10) and the height of the longitudinal clamping plate (9) are both smaller than the height of a rock body (13) to be cut.
8. The granite cutting device of claim 1, where: the number of the guide grooves (3) is two, and the two guide grooves are symmetrically distributed on the guide plate (2).
9. The granite cutting device of claim 2, wherein: the handle (14) is arranged in the circumferential direction of the supporting plate (4), and a rock body placing groove is formed in the supporting plate (4).
10. A method of cutting stone using the granite cutting device of any of claims 1-9, comprising the steps of:
step one, placing a granite rock body to be cut in a rock body placing groove on a supporting plate;
secondly, starting a transverse driving mechanism and a longitudinal driving mechanism according to the width of the rock mass to be cut, and clamping the rock mass between a transverse clamping plate and a longitudinal clamping plate;
thirdly, adjusting the length of the supporting rod according to the height of the rock to be cut, so that the guide plate is fixed above the rock to be cut;
rotating the support plate, and arranging the corner to be cut of the rock mass to be cut below the guide groove;
inserting the positioning pins into the positioning holes and the corresponding mounting holes, and fixing the support plate with the workbench;
starting a driving device, driving the cutter to reciprocate along the guide groove by the driving device, and cutting the corner on the rock body to be cut;
and seventhly, taking out the positioning pin, rotating the support plate, aligning the other corners on the rock body to be cut with the guide grooves, inserting the positioning pin into the positioning hole and the corresponding mounting hole, starting the driving device, driving the cutter to reciprocate along the guide grooves by the driving device, and cutting the other corners on the rock body to be cut.
CN202010537837.5A 2020-06-12 2020-06-12 Granite cutting device and stone cutting method Pending CN111531729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010537837.5A CN111531729A (en) 2020-06-12 2020-06-12 Granite cutting device and stone cutting method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010537837.5A CN111531729A (en) 2020-06-12 2020-06-12 Granite cutting device and stone cutting method

Publications (1)

Publication Number Publication Date
CN111531729A true CN111531729A (en) 2020-08-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010537837.5A Pending CN111531729A (en) 2020-06-12 2020-06-12 Granite cutting device and stone cutting method

Country Status (1)

Country Link
CN (1) CN111531729A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202439144U (en) * 2012-02-17 2012-09-19 洛阳晶奥电子材料有限公司 Clamping device for machining graphite sabot
CN104551492A (en) * 2014-11-14 2015-04-29 合肥常青机械股份有限公司 Novel engine bracket assembly welding fixture
CN104723121A (en) * 2015-04-07 2015-06-24 天津市裕泰机械有限责任公司 Rotatable fixture
CN205167255U (en) * 2015-12-14 2016-04-20 李见 Stone cutter
CN205704742U (en) * 2016-06-22 2016-11-23 南安市奥力石业有限公司 A kind of cutting beveler
CN208067797U (en) * 2018-01-19 2018-11-09 嘉善爱翔金属制品有限公司 A kind of drill jig
CN209125446U (en) * 2018-10-11 2019-07-19 徐逍遥 A kind of driven gear blank perforating auxiliary device
CN209616072U (en) * 2019-01-03 2019-11-12 衡阳县硕业石业有限公司 A kind of trimming machine for stones
CN209869077U (en) * 2019-02-22 2019-12-31 自贡市汇丰石业有限公司 Stone material bead cutter with altitude mixture control function

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202439144U (en) * 2012-02-17 2012-09-19 洛阳晶奥电子材料有限公司 Clamping device for machining graphite sabot
CN104551492A (en) * 2014-11-14 2015-04-29 合肥常青机械股份有限公司 Novel engine bracket assembly welding fixture
CN104723121A (en) * 2015-04-07 2015-06-24 天津市裕泰机械有限责任公司 Rotatable fixture
CN205167255U (en) * 2015-12-14 2016-04-20 李见 Stone cutter
CN205704742U (en) * 2016-06-22 2016-11-23 南安市奥力石业有限公司 A kind of cutting beveler
CN208067797U (en) * 2018-01-19 2018-11-09 嘉善爱翔金属制品有限公司 A kind of drill jig
CN209125446U (en) * 2018-10-11 2019-07-19 徐逍遥 A kind of driven gear blank perforating auxiliary device
CN209616072U (en) * 2019-01-03 2019-11-12 衡阳县硕业石业有限公司 A kind of trimming machine for stones
CN209869077U (en) * 2019-02-22 2019-12-31 自贡市汇丰石业有限公司 Stone material bead cutter with altitude mixture control function

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