CN209257241U - A kind of coring equipment - Google Patents
A kind of coring equipment Download PDFInfo
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- CN209257241U CN209257241U CN201821277697.7U CN201821277697U CN209257241U CN 209257241 U CN209257241 U CN 209257241U CN 201821277697 U CN201821277697 U CN 201821277697U CN 209257241 U CN209257241 U CN 209257241U
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- perforating
- assembly
- cutting
- coring
- cutting tool
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Abstract
The utility model discloses a kind of coring equipment, including main body, wherein main body includes pedestal and support, and pedestal is connected and fixed with support, and pedestal is equipped with clamp assembly, for clamping raw material；Support is equipped with coring assembly and control assembly, coring assembly relative seat slide up and down, control assembly control clamp assembly and the work of coring assembly；Coring assembly is equipped with perforating mechanism, position-limit mechanism and cutting mechanism, and perforating mechanism includes perforating cutting tool, and cutting mechanism includes cutting line, and cutting line is located at perforating cutting tool bottom, is limited by position-limit mechanism；Under original state, position-limit mechanism limits cutting mechanism movement, and perforating mechanism and clamp assembly are relatively rotated, punched, and when punching depth reaches preset value, perforating mechanism stops working；It controls assembly control position-limit mechanism and stops limit, cutting line and clamp assembly, which relatively rotate, carries out the cutting of raw material inner core bottom；The utility model has the characteristics that structure is simple, coring is convenient, inner wall smooth.
Description
Technical field
The utility model relates to a kind of equipment, specifically a kind of coring equipment.
Background technique
In processing industry, often encounter, needs to take out an inner core in stone, form a cylindrical groove
(stone is not punched directly), and existing technology, usually by slowly digging by stone with chisel, then again by groove side
Face is polished, and such technology will cause the waste of material, dig out come stone waste material will become garbage disposal, and it is such plus
Work spends a large amount of manpower and material resources, inefficiency.
It is also similarly commonly encountered such situation in jade and wood working industry, the equipment usually processed is chisel
Or cutting tool, processing efficiency is low, cannot achieve quick coring.
Summary of the invention
The utility model is mainly solving the technical problems that provide a kind of coring equipment.
The utility model solves technical solution used by its technical problem: a kind of coring equipment, including main body,
In, main body includes pedestal and support, and pedestal is connected and fixed with support, and pedestal is equipped with clamp assembly, for clamping raw material；Branch
Seat is equipped with coring assembly and control assembly, and coring assembly relative seat slides up and down, control assembly control clamp assembly with
And coring assembly work；Coring assembly is equipped with perforating mechanism, position-limit mechanism and cutting mechanism, and perforating mechanism includes perforating knife
Tool, cutting mechanism includes cutting line, and cutting line is located at perforating cutting tool bottom, is limited by position-limit mechanism；Under original state,
Position-limit mechanism limits cutting mechanism movement, and perforating mechanism and clamp assembly are relatively rotated, punched, when punching depth reaches pre-
If perforating mechanism stops working when value；It controls assembly control position-limit mechanism and stops limit, cutting line and clamp assembly relatively rotate
Carry out the cutting of raw material inner core bottom.
Using such coring equipment, defect compared with the existing technology, first passing through perforating mechanism will punch on raw material,
A cylindrical inner core is formed, at this point, only being connected by bottom between inner core and raw material, and by perforating mechanism and is clamped total
It is punched at relative rotation, the inner wall of raw material and the outer wall of inner core are smooth face, without carrying out polishing operation；Work as punching
When depth reaches preset value, cutting mechanism carries out bottom cutting, is cut especially by cutting line, due to cutting line and clamps
Assembly, which relatively rotates, carries out the cutting of raw material inner core bottom, so that being similarly smooth face after the cutting of bottom.Using such setting, cut
Inner core that is more convenient, while taking out is cut, can be otherwise utilized, raw material can be utilized further, while avoid material unrestrained
Take, cut completion inner core take out after, either the bottom portion of groove of raw material and the side wall of inner core are smooth setting, without into
One step is polished.And processed by machine, high in machining efficiency, by the program set, operator only need to be one
Side carries out blowing, feeding, greatly reduces the difficulty of processing.
Wherein, cutting mechanism further includes wire drawing cylinder, and cutting line one end passes through at the top of perforating cutting tool side wall and perforating cutting tool
Fixed, the other end passes through perforating cutting tool side wall around perforating cutting tool bottom and connect with wire drawing cylinder；Cutting line is around perforating cutting tool bottom
Length be L, the length of perforating cutting tool bottom is C, C/ π < L≤4C/5.
Since in cutting process, the area of inner core bottom is gradually decreased, if cutting line is too long, the efficiency of cutting certainly will drop
Low, although can be carried out cutting, but cutting efficiency is not high；The one end for pulling cutting line by wire drawing cylinder at this time, makes it
It tenses, is cut, accelerate the efficiency of cutting.The length of cutting line limits, so that cutting line forms certain toughness, with inner core
Bottom end has a certain distance, the center of inner core bottom end is cut off, if cutting line is just C/ π, i.e., length is just
The tension that when diameter of bottom, last center can not be cut off, and drawn, it is easy to so that cutting line breaks, influence
It is normal to use.
Wherein, position-limit mechanism includes limiting cylinder, limit plate and at least three limited posts, and limit plate and limited post connect
It is logical, drive the opposite perforating cutting tool of the two to slide up and down by limiting cylinder, limit plate is located above perforating cutting tool, limiting cylinder position
In on limit plate, limited post passes through the side wall of perforating cutting tool, stretches out from bottom, and cutting line is bonded with limit column outer wall and is limited
Position.
The setting of position-limit mechanism prevents the cutting mechanism in drill process from working, and influences the efficiency of punching, while shadow
The smoothness for ringing the interior outer core taken out is stretched out by the side wall that at least three limited posts pass through perforating cutting tool from bottom, and this
When cutting line tense, be located at limit column outer wall on, formed limit, prevent cutting line from falling off.When just predetermined depth is arrived in punching, limit
Cylinder drives limited post upward sliding, so that cutting line releases limit, to be cut.
Wherein, cutting line is carborundum line.
The efficiency of cutting is improved so that the intensity of cutting is guaranteed using the setting of carborundum line.
Wherein, pedestal is equipped with rotating assembly, and rotating assembly drives clamp assembly rotation.
Fly-cutting can be realized without rotation in clamp assembly rotation, perforating mechanism and cutting mechanism.
Wherein, coring assembly includes rotating assembly, and rotating assembly drives perforating mechanism and cutting mechanism rotation.
The rotation of coring assembly, clamp assembly realize fly-cutting without rotation.
It wherein, further include coring clamp system, perforating cutting tool is equipped with opening, and open top is equipped with notch, and coring clamps
Mechanism includes clamping motor and clamping plate, and clamping motor drives clamping plate to move towards notch, so that clamping plate and perforating knife
Tool inner wall clamps inner core.
The setting of opening, real-time clamping plate can extend into perforating cutting tool inner wall, formed and clamped, and take by motor drive
Core assembly moves upwards, and inner core is integrally taken out, and reusing clamping plate can take out inner core out of perforating cutting tool.
It wherein, further include closed plate, closed plate and perforating cutting tool in rotation setting, closing opening.
The setting of closed plate prevents during punching is with cutting, and dust exposes from opening, influences external work
Environment.
It wherein, further include water injecting mechanism, with cutting process, control mechanism control water injecting mechanism is filled the water for punching.
Water injecting mechanism is filled the water, and is prevented from cutting excessive with dust in drill process, is passed through water and dust and neutralize, reduction
Dust in air.
Wherein, pedestal is equipped with stop plank, and stop plank forms a cavity around pedestal upper end, and clamp assembly is located at cavity
It is interior.
The setting of stop plank, so that the water of water injecting mechanism injection, can collect unified outflow, prevent the water on work top
Splashes influence working environment.
It wherein, further include shield, control mechanism is located on shield, and shield and base engagement form a sealing
Chamber, clamp assembly, coring assembly and support are respectively positioned in chamber.
Using the setting of closed chamber, the working environment of operative employee is improved, prevents dust splashes, operative employee only needs
When taking material feeding, shield is opened, is controlled by the control mechanism being located on shield, the work of coring can be realized
Skill.
Detailed description of the invention
Fig. 1 is the main view of the utility model embodiment 1；
Fig. 2 is the side perspective of the utility model embodiment 1；
Fig. 3 is the structural schematic diagram of coring assembly in the utility model embodiment 1；
Fig. 4 is the structural schematic diagram of another angle of coring assembly in the utility model embodiment 1；
Fig. 5 is the side view of Fig. 4；
Fig. 6 is the enlarged drawing in the portion A in Fig. 5；
Fig. 7 is status diagram when cutting line does not work in the utility model embodiment 1；
Fig. 8 is status diagram when cutting line works in the utility model embodiment 1；
Fig. 9 is the schematic diagram for the inner core that raw material takes out in the utility model embodiment 1；
Figure 10 is the main view of the utility model embodiment 2；
Figure 11 is the main view of the utility model embodiment 3.
Specific embodiment
Embodiment 1:
Referring to shown in attached drawing 1-9, a kind of coring equipment, including main body 1, main body 1 include pedestal 11 and support 12, pedestal
11 are connected and fixed with support 12, and pedestal 11 is the workbench of a cuboid, and four angles of pedestal 11, which are equipped with, adjusts foot 111,
Adjust the height whole for adjustment base 11 of foot 111.The top surface of pedestal 11 is equipped with stop plank 112, and stop plank 112 is around top
Face forms a cavity, prevents water from flowing out from 11 top surface surrounding of pedestal, further, outlet pass is equipped in cavity, outlet pass runs through
Pedestal 11, so that water is flowed out from 11 top surface of pedestal to 11 bottom surface of pedestal, it further, can be by connecting water pipe, importing is lauched
Pipeline.
Pedestal 11 is equipped with clamp assembly 2 and rotating assembly 3, and clamp assembly 2 is easy to process for clamping raw material 8, this
Place especially by a four paws fixture 21 by raw material 8 from four direction all around clamp, in order to prevent raw material 8 punching or
It skids in cutting process, generally by the way that smooth face is cut into convenient for fixing in the side of raw material 8, further, raw material 8 is whole
It is more convenient to be fixedly clamped for cylinder.Further, four paws fixture 21 is equipped with regulating mechanism, for different size of raw material 8
Size adjusting is carried out, meets the needs of various raw materials 8 processing, raw material 8 is generally stone, jade or wood.
Rotating assembly 3 is arranged below clamp assembly 2, and rotating assembly 3 includes rotating stand 31, transmission belt 32 and driving
Motor 33, rotating stand 31 and the linkage of four paws fixture 21 are arranged, and the output end of driving motor 33 passes through transmission belt 32 and rotation branch
Seat 31 links, i.e., driving motor 33 rotates, and drives rotating stand 31 to rotate by transmission belt 32, realizes turning for four paws fixture 21
Dynamic, the rotation of driving motor 33 herein passes through control assembly control.
Chamber 113 is equipped in pedestal 11, driving motor 33, rotating stand 31 and transmission belt 32 are respectively positioned in chamber 113,
Distribution box 114 is additionally provided in chamber 113, power supply connect with distribution box 114 and is powered by external power supply.
Support 12 is located on the middle position of 11 side of pedestal, and support 12 is equipped with coring assembly 4 and control assembly 5,
4 relative seat 12 of coring assembly slides up and down, and specially support 12 is equipped with sliding rail 121, and coring assembly 4 is equipped with and sliding rail
121 corresponding sliding blocks 41, sliding block 41 slides on sliding rail 121 drives coring assembly 4 to slide, and sliding block 41 is especially by feed herein
Motor 42 drives, and cutting feed 42 is controlled by control assembly 5, and the quantity of sliding block 41 is four, in pairs, sliding rail 121
Quantity is two, and two sliding blocks 41 slide on a sliding rail 121, increase the stability of whole slide.
Coring assembly 4 is equipped with perforating mechanism 6, position-limit mechanism 7, water injecting mechanism, coring clamp system 9 and cutting mechanism
10, perforating mechanism 6 includes perforating cutting tool 61, and perforating cutting tool 61 is specially a cylindrical sleeve, and 61 bottom end of perforating cutting tool is set
There is punching sword 62, rotated by punching sword 62 and rotating assembly 3, forms punching, beaten so that perforating cutting tool 61 rotates on raw material 8
Hole, perforating cutting tool 61 are connect especially by dress edge bearing block 63 with support 12, and sliding block 41 is located on dress edge bearing block 63, perforating cutting tool 61
It slides up and down, perforating cutting tool 61 is corresponding with the position of four paws fixture 21 herein, and perforating cutting tool 61, which moves down, is located just at four paws fixture
21 tops.Further, support 12 is equipped with guardrail 122, prevents four paws fixture 21 from scratching support 12.
Cutting mechanism 10 includes cutting line 101 and wire drawing cylinder 102, and cutting line 101 is located at 61 bottom of perforating cutting tool, is led to
It crosses position-limit mechanism 7 to be limited, the position of cutting line 101 is higher than the height of punching sword 62 herein, and specially bottom is equipped with ring
V notch v 103, cutting line 101 are located on annular notch 103, and punching sword 62 is located on another section of bottom.It wears 101 one end of cutting line
It crosses at the top of 61 side wall of perforating cutting tool and perforating cutting tool 61 and fixes, the other end passes through 61 side wall of perforating cutting tool around 61 bottom of perforating cutting tool
It is connect with wire drawing cylinder 102, fixed herein is specially that 101 both ends of cutting line are equipped with hook, is fixed by hook, wire drawing gas
102 one end of cylinder and cutting line 101 link, and are stretched；Length of the cutting line 101 around 61 bottom of perforating cutting tool is L, perforating cutting tool
The length of 61 bottoms is C, C/ π < L≤4C/5, and optimal herein is 2C/3.Due in cutting process, the area of 82 bottom of inner core
It gradually decreases, if cutting line 101 is too long, the efficiency of cutting certainly will be reduced, although can be carried out cutting, but cutting efficiency is not
It is high；The one end for pulling cutting line 101 by wire drawing cylinder 102 at this time, makes its tension, is cut, and accelerates the efficiency of cutting.It cuts
The length of secant 101 limits, so that cutting line 101 forms certain toughness, has a certain distance with 82 bottom end of inner core, will be interior
The center of 82 bottom end of core is cut off, if cutting line 101 is just C/ π, can not be cut off last center, Er Qiela
Tension, it is easy to so that cutting line 101 breaks, influence normally to use.Meanwhile the length and cutting line of annular notch 103
101 length in bottom should be consistent, and the aperture that the both ends of cutting line 101 stretch to cutter side wall is located at annular notch 103
On both ends.Cutting line 101 is carborundum line herein.
Wire drawing cylinder 102 controls the state of its specific works especially by control assembly 5.
Position-limit mechanism 7 includes limiting cylinder 71, limit plate 72 and at least three limited posts 73, limit plate 72 and limited post
73 connections drive the opposite perforating cutting tool 61 of the two to slide up and down by limiting cylinder 71, and limit plate 72 is located on perforating cutting tool 61
Side, limiting cylinder 71 are located on limit plate 72, and limited post 73 passes through the side wall of perforating cutting tool 61, the annular notch 103 from bottom
Middle stretching, cutting line 101 are bonded with 73 outer wall of limited post and are limited, and the quantity of further limited post 73 is eight herein, make
Limited post 73 is obtained preferably to be limited.Limiting cylinder 71 is equally controlled by controlling assembly 5 herein.
61 side wall of perforating cutting tool is equipped with opening 611, and 611 top of opening is equipped with notch 612, and coring clamp system 9 includes
Clamping motor 91 and clamping plate 92, clamping motor 91 drives clamping plate 92 to move towards notch 612, so that clamping plate 92 and beating
61 inner wall of spot facing cutter clamps inner core 82.Clamping motor 91 is equally controlled by controlling assembly 5 herein.
Further, opening 611 is closed by closed plate 613, and closed plate 613 and 61 side of perforating cutting tool are in turn herein
Dynamic setting.
Water injecting mechanism cooperates especially by water pump and water pipe, and in punching with cutting process, control mechanism controls water injection machine
Structure is filled the water, and is prevented from cutting excessive with dust in drill process, be neutralized by water and dust, the dust in reduction air,
Water injecting mechanism is the dust removal means of a routine herein, therefore is not drawn into attached drawing.
Control assembly 5 is located on support 12, controls each motor and cylinder moving, realizes full-automatic operation, tool
Body is controlled by PLC, can also be controlled herein by single-chip microcontroller, and control assembly 5 includes display screen 51 and numeric keypad 52,
Corresponding process data can be shown by display screen 51, and process data is inputted by numeric keypad 52, is carried out automatically controlling.Into
One step, control assembly 5 can be arranged by liquid crystal touch screen, be not necessarily to numeric keypad 52.
Its specific process is that first raw material 8 is placed on four paws fixture 21 and is fixed, under original state, position restrainer
Structure 7 limits cutting mechanism 10 and moves, and perforating cutting tool 61 moves down, and rotating assembly 3 drives four paws fixture 21 to rotate, and forms punching, when
When punching depth reaches preset value, perforating mechanism 6 stops working；It controls assembly 5 and controls the stopping limit of position-limit mechanism 7, that is, limit
Column 73 is drawn high upwards, and raw material 8 persistently rotates, and cutting line 101 cuts 8 inner core of raw material, 82 bottom, and cutting is completed, coring clamping machine
Structure 9 clamps inner core 82, is clamped, perforating cutting tool 61, which moves up, takes out inner core 82.
Using such coring equipment, defect compared with the existing technology, first passing through perforating mechanism 6 will be beaten on raw material 8
Hole forms a cylindrical inner core 82, at this point, only connecting by bottom between inner core 82 and raw material 8, and passes through perforating mechanism
6 are punched with the relative rotation of clamp assembly 2, and the inner wall of raw material 8 and the outer wall of inner core 82 are smooth face, without being beaten
Grinder sequence；When punching depth reaches preset value, cutting mechanism 10 carries out bottom cutting, is cut especially by cutting line 101
It cuts, since cutting line 101 and clamp assembly 2 relatively rotate and carry out the cutting of 8 inner core of raw material, 82 bottom, so that same after the cutting of bottom
For smooth face.Using such setting, inner core 82 that is more convenient, while taking out is cut, can be otherwise utilized, raw material 8 can be with
Further utilized, while avoiding waste of material, cut completion inner core 82 take out after, the either bottom portion of groove of raw material 8
And the side wall of inner core 82 is smooth setting, is polished without further progress.And it is processed by machine, processing efficiency
Height, by the program set, operator only need to carry out blowing, feeding in side, greatly reduce the difficulty of processing.
Embodiment 2:
Referring to shown in attached drawing 10, the difference between embodiment 2 and embodiment 1 is, rotating assembly 3 is located at coring assembly 4
On, i.e., clamp assembly 2 is fixed, and rotating assembly 3 specifically drives perforating cutting tool 61 to be rotated, and specific rotation is logical
It crosses motor driven dress edge bearing block 63 to rotate, perforating cutting tool 61 is driven to rotate.
Embodiment 3:
Referring to shown in attached drawing 11, the difference between embodiment 3 and embodiment 1 is, further includes shield 81, control mechanism
On shield 81, shield 81 and pedestal 11 cooperatively form the chamber of a sealing, clamp assembly 2, coring assembly 4 and
Support 12 is respectively positioned in chamber.For the ease of observation, shield 81 uses transparent setting, and shield 81 is equipped with windowing, just
In raw material of placing and take.
Using the setting of closed chamber, the working environment of operative employee is improved, prevents dust splashes, operative employee only needs
When taking material feeding, shield 81 is opened, is controlled by the control mechanism being located on shield 81, coring can be realized
Process.
Claims (10)
1. a kind of coring equipment, including main body, it is characterised in that: main body includes pedestal and support, and pedestal connect solid with support
Fixed, pedestal is equipped with clamp assembly, for clamping raw material；Support is equipped with coring assembly and control assembly, coring assembly phase
Support is slided up and down, control assembly control clamp assembly and the work of coring assembly；Coring assembly is equipped with perforating mechanism, limit
Position mechanism and cutting mechanism, perforating mechanism include perforating cutting tool, and cutting mechanism includes cutting line, and cutting line is located at perforating cutting tool
Bottom is limited by position-limit mechanism；Under original state, position-limit mechanism limits cutting mechanism movement, perforating mechanism and clamping
Assembly relatively rotates, and is punched, and when punching depth reaches preset value, perforating mechanism stops working；Control assembly control limit
Position mechanism stops limit, and cutting line and clamp assembly, which relatively rotate, carries out the cutting of raw material inner core bottom.
2. a kind of coring equipment as described in claim 1, it is characterised in that: cutting mechanism further includes wire drawing cylinder, cutting line
One end pass through it is fixed at the top of perforating cutting tool side wall and perforating cutting tool, the other end around perforating cutting tool bottom pass through perforating cutting tool side wall with
The connection of wire drawing cylinder；Length of the cutting line around perforating cutting tool bottom is L, and the length of perforating cutting tool bottom is C, C/ π < L≤4C/
5。
3. a kind of coring equipment as claimed in claim 2, it is characterised in that: position-limit mechanism include limiting cylinder, limit plate with
And at least three limited posts, limit plate are connected to limited post, drive the opposite perforating cutting tool of the two to slide up and down by limiting cylinder,
Limit plate is located above perforating cutting tool, and limiting cylinder is located on limit plate, and limited post passes through the side wall of perforating cutting tool, stretches from bottom
Out, cutting line is bonded with limit column outer wall and is limited.
4. a kind of coring equipment as described in claims 1 or 2 or 3, it is characterised in that: cutting line is carborundum line.
5. a kind of coring equipment as described in claim 1, it is characterised in that: pedestal is equipped with rotating assembly, rotating assembly band
Dynamic clamp assembly rotation.
6. a kind of coring equipment as described in claim 1, it is characterised in that: coring assembly includes rotating assembly, rotating assembly
Drive perforating mechanism and cutting mechanism rotation.
7. a kind of coring equipment as described in claim 1, it is characterised in that: further include coring clamp system, on perforating cutting tool
Equipped with opening, open top is equipped with notch, and coring clamp system includes clamping motor and clamping plate, and clamping motor driving clamps
Plate is moved towards notch, so that clamping plate clamps inner core with perforating cutting tool inner wall.
8. a kind of coring equipment as claimed in claim 7, it is characterised in that: further include closed plate, closed plate and perforating cutting tool
It is arranged in rotation, closing opening.
9. a kind of coring equipment as described in claim 1, it is characterised in that: it further include water injecting mechanism, punching and cutting process
In, control mechanism control water injecting mechanism is filled the water.
10. a kind of coring equipment as claimed in claim 9, it is characterised in that: pedestal is equipped with stop plank, and stop plank surrounds bottom
Seat upper end forms a cavity, and clamp assembly is located in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277697.7U CN209257241U (en) | 2018-08-09 | 2018-08-09 | A kind of coring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821277697.7U CN209257241U (en) | 2018-08-09 | 2018-08-09 | A kind of coring equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209257241U true CN209257241U (en) | 2019-08-16 |
Family
ID=67557500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821277697.7U Active CN209257241U (en) | 2018-08-09 | 2018-08-09 | A kind of coring equipment |
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| Country | Link |
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| CN (1) | CN209257241U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858799A (en) * | 2018-08-09 | 2018-11-23 | 墨脱县墨脱石锅文化产业有限公司 | A kind of coring equipment and coring process |
| CN110733133A (en) * | 2019-10-24 | 2020-01-31 | 自贡市昆林机械制造有限公司 | high-speed drilling and coring method |
| CN113977779A (en) * | 2021-09-09 | 2022-01-28 | 银川隆基硅材料有限公司 | Heater and manufacturing method thereof |
-
2018
- 2018-08-09 CN CN201821277697.7U patent/CN209257241U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108858799A (en) * | 2018-08-09 | 2018-11-23 | 墨脱县墨脱石锅文化产业有限公司 | A kind of coring equipment and coring process |
| CN110733133A (en) * | 2019-10-24 | 2020-01-31 | 自贡市昆林机械制造有限公司 | high-speed drilling and coring method |
| CN110733133B (en) * | 2019-10-24 | 2022-03-01 | 自贡市昆林机械制造有限公司 | High-speed drilling and coring method |
| CN113977779A (en) * | 2021-09-09 | 2022-01-28 | 银川隆基硅材料有限公司 | Heater and manufacturing method thereof |
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