CN113334172A - Numerical control double-sided grinding machine - Google Patents
Numerical control double-sided grinding machine Download PDFInfo
- Publication number
- CN113334172A CN113334172A CN202110760226.1A CN202110760226A CN113334172A CN 113334172 A CN113334172 A CN 113334172A CN 202110760226 A CN202110760226 A CN 202110760226A CN 113334172 A CN113334172 A CN 113334172A
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- China
- Prior art keywords
- charging unit
- numerical control
- control double
- polisher
- fixed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/228—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding thin, brittle parts, e.g. semiconductors, wafers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/10—Single-purpose machines or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/24—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass
- B24B7/242—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding or polishing glass for plate glass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention is suitable for the field of polishers, and provides a numerical control double-sided polisher which comprises a polisher body, wherein a polishing device is arranged on one side of the polisher body, a discharging mechanism is arranged on the other side of the polisher body, the discharging mechanism is used for arranging and polishing workpieces in a carrier of the polishing device, the discharging mechanism comprises a supporting piece fixed on the polisher body through a stand column, a vibration assembly and a discharging pipe are arranged on the supporting piece, a feeding unit is arranged at the output end of the vibration assembly, a feeding pipe is fixed on the vibration assembly through a support, and a leveling unit is arranged on the support, so that the numerical control double-sided polisher has the beneficial effects that: drive the rapid reciprocating motion of charging unit through the vibration subassembly, shake the material even in the charging unit, the charging unit is unloaded to whole, transfers the material to the carrier of polisher in through the charging unit, reaches the effect with the material tiling in the carrier, has reduced artifical manually operation's intensity, has effectively accelerated the machining efficiency of polisher.
Description
Technical Field
The invention belongs to the field of grinders, and particularly relates to a numerical control double-sided grinder.
Background
The double-sided grinding machine is mainly used for double-sided grinding of crystals or other mechanical parts with two parallel sides, in particular to processing of thin and brittle materials. The polishing liquid is suitable for the plane polishing and burnishing of mechanical seal rings, ceramic plates, cylinder piston rings, bearing end faces of oil pump blades and metal materials such as silicon, germanium, quartz crystals, graphite, sapphire, optical crystals, glass, lithium niobate, hard alloy, stainless steel, powder metallurgy and the like which are made of various materials.
The working principle of the double-side grinding machine is that materials are placed in a carrier on a grinding disc, then the carrier rotates, the upper surface and the lower surface of the materials rub the grinding disc on two sides, the carrier is generally of a circular structure, and a plurality of materials are generally uniformly laid in the carrier when needed.
The prior art methods firstly place several materials in the carrier, but the conventional feeding method easily causes the stacking of materials, so that the auxiliary operation is needed, the excess materials are sorted out, the materials in the carrier are ensured to be close and flat, and the preparation work before the grinding machine processing is started is time-consuming.
Disclosure of Invention
The embodiment of the invention aims to provide a numerical control double-side grinding machine, aiming at solving the problems of low material laying efficiency and time delay.
The embodiment of the invention is realized in such a way that the numerical control double-sided polisher comprises a polisher body, wherein a polishing device is arranged on one side of the polisher body, and a discharging mechanism is arranged on the other side of the polisher body and used for placing typeset and polished workpiece raw materials into a carrier positioned in the polishing device;
the discharging mechanism comprises a supporting piece fixed on the polisher body through an upright column, a vibrating assembly and a discharging pipe are arranged on the supporting piece, a charging unit is arranged at the output end of the vibrating assembly, an inlet pipe is fixed on the vibrating assembly through a support, a leveling unit is arranged on the support and used for pushing redundant workpieces on the charging unit to move and fall into the discharging pipe, and when the vibrating assembly is located in an initial state, the inlet pipe, the charging unit and the discharging pipe are coaxial.
Preferably, a bin corresponding to the position of the blanking pipe is fixed on the sander body.
Preferably, the vibration subassembly is fixed with the driving piece including fixing the installed part on support piece on the support piece, is equipped with first extensible member on the installed part, and the one end of first extensible member is provided with the connecting piece, and the connecting piece is used for fixing the charging unit, and the driving piece is used for driving first extensible member work and makes the charging unit carry out reciprocating motion along the axial of first extensible member.
Preferably, first extensible member is the spring telescopic link, and spring telescopic link sliding connection is on the installed part, and the driving piece output cooperation is connected with the cam, makes the charging unit carry out reciprocating motion through pivoted cam and the cooperation of spring telescopic link.
Preferably, the connecting piece includes the bracing piece of fixing in the one end of first extensible member, and the other end is fixed with the tray on the bracing piece, and it has a plurality of slots to open on the tray, and the unit of charging is through cooperating the joint on the tray with the slot.
Preferably, the charging unit comprises a ring piece, a draw-out type blocking piece is arranged on the ring piece, a bin is formed between one surface, facing the feeding pipe, of the blocking piece and the ring piece, and the bin is used for storing a plurality of workpieces flatly.
Preferably, a through clamping groove is formed in the ring piece, the blocking piece is inserted into the clamping groove, the thickness of the blocking piece is smaller than that of the clamping groove, and the width of the clamping groove is larger than the inner diameter of the ring piece and smaller than the outer diameter of the ring piece.
Preferably, the pushing unit comprises a second telescopic member fixed on the bracket and facing the charging unit, and the other end of the second telescopic member is fixed with a pushing plate which is flush with one surface of the charging unit facing the feeding pipe.
Preferably, the aperture of the feed tube near one end of the charging unit is smaller than the aperture of the other end.
Preferably, the caliber of one end, close to the charging unit, of the blanking pipe is larger than that of the other end, and the caliber of one end, close to the charging unit, of the blanking pipe is larger than the maximum size of the appearance of the charging unit.
The numerical control double-sided sander provided by the embodiment of the invention has the beneficial effects that: this polisher is when using, put into the material of treating polishing in to the unit of charging through the inlet pipe, the material is stacked on the unit of charging, drive the rapid reciprocating motion of unit of charging through the vibration subassembly afterwards, it is even to shake the material in the unit of charging, through pushing away the unloading intraductal that the unit will change unnecessary material promotion to the downside on the unit of charging, the unit of charging is unloaded to whole, transfer the material to the carrier of polisher in through the unit of charging, reach the effect with the material tiling in the carrier, manual operation's intensity has been reduced, the machining efficiency of polisher has effectively been accelerated.
Drawings
Fig. 1 is a three-dimensional structure diagram of a numerical control double-sided grinding machine according to an embodiment of the invention;
FIG. 2 is a perspective view of a discharging mechanism according to an embodiment of the present invention;
FIG. 3 is a front view of a discharge mechanism provided in an embodiment of the present invention;
FIG. 4 is a perspective view of a vibration assembly according to an embodiment of the present invention;
fig. 5 is a perspective structural view of a loading unit provided in the embodiment of the present invention;
FIG. 6 is a perspective view of a ring member of the charging unit according to the embodiment of the present invention;
in the drawings: 1. a sander body; 2. a polishing device; 3. a discharge mechanism; 4. a support member; 5. a vibrating assembly; 501. a mounting member; 502. a drive member; 503. a first telescoping member; 504. a connecting member; 5041. a support bar; 5042. a tray; 5043. a slot position; 505. a cam; 6. a discharging pipe; 7. a charging unit; 701. a ring member; 702. a barrier; 703. a bin; 704. a card slot; 8. a feed pipe; 9. a leveling unit; 901. a second telescoping member; 902. pushing the plate; 10. a storage bin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 and 2, a structure diagram of a numerical control double-side grinder provided for one embodiment of the invention includes:
polisher body 1, polisher body 1 goes up one side and is provided with grinding device 2, polisher body 1 goes up the opposite side and is provided with row material mechanism 3, arranges material mechanism 3 and is used for putting the work piece raw materials of typesetting and polishing in the carrier that is located grinding device 2.
In an example of the present invention, when the sander is used, the supporting member 4 may be a supporting frame of a plate structure, the material to be sanded is fed into the charging unit 7 through the feeding pipe 8, the material is stacked on the charging unit 7, then the vibration assembly 5 drives the charging unit 7 to rapidly reciprocate, the material is uniformly shaken in the charging unit 7, the excess material on the material transfer unit is pushed into the lower discharging pipe 6 through the pushing unit 9, the charging unit 7 is integrally unloaded, and the material is transferred into the carrier of the sander through the charging unit 7, so as to achieve the effect of spreading the material in the carrier, reduce the intensity of manual operation, and effectively accelerate the processing efficiency of the sander.
As shown in fig. 1 and 2, as a preferred embodiment of the present invention, a bin 10 corresponding to the position of the blanking pipe 6 is fixed on the sander body 1.
In a case of this embodiment, because the material is shaken up by shaking the loading unit 7, and the redundant material falls into the discharging pipe 6, there may be an operation that the loading unit 7 can be fully paved by feeding many times, so the bin 10 is arranged below the discharging pipe 6, and the redundant material is collected and conveniently fed again.
As shown in fig. 2 and 3, as another preferred embodiment of the present invention, the vibration assembly 5 includes a mounting member 501 fixed on the supporting member 4, a driving member 502 is fixed on the supporting member 4, a first telescopic member 503 is provided on the mounting member 501, a connecting member 504 is provided at one end of the first telescopic member 503, the connecting member 504 is used for fixing the charging unit 7, and the driving member 502 is used for driving the first telescopic member 503 to work so that the charging unit 7 performs reciprocating motion along an axial direction of the first telescopic member 503.
As shown in fig. 4, the first telescopic member 503 is a spring telescopic rod, the spring telescopic rod is slidably connected to the mounting member 501, the output end of the driving member 502 is connected with a cam 505 in a matching manner, and the loading unit 7 is reciprocated by the matching of the rotating cam 505 and the spring telescopic rod.
As shown in fig. 4, the connecting member 504 includes a supporting rod 5041 fixed to one end of the first telescopic member 503, a tray 5042 is fixed to the other end of the supporting rod 5041, a plurality of slots 5043 are formed on the tray 5042, and the loading unit 7 is engaged with the tray 5042 by engaging with the slots 5043.
In the one kind of the condition of this embodiment, installed part 501 can adopt the mounting panel of buckling, and driving piece 502 can adopt the motor, certainly also can adopt the rotatory hydraulic motor of output, cam 505 is fixed at the output of motor, and the spring telescopic link sets up in one side of mounting panel, through the one end cooperation of cam 505 with the spring telescopic link, can make the spring telescopic link carry out reciprocating telescopic motion, and the other end of spring telescopic link is fixed with bracing piece 5041, set up a plurality of groove position 5043 that the circumference distributes on tray 5042 for with the joint of material loading unit 7 on tray 5042.
As shown in fig. 5 and 6, as another preferred embodiment of the present invention, the loading unit 7 includes a ring member 701, a pull-out blocking member 702 is disposed on the ring member 701, a chamber 703 is formed between a side of the blocking member 702 facing the feeding pipe 8 and the ring member 701, and the chamber 703 is used for storing a plurality of workpieces flatly.
As shown in fig. 5 and 6, a through locking groove 704 is formed on the ring 701, the blocking member 702 is inserted into the locking groove 704, the thickness of the blocking member 702 is smaller than that of the locking groove 704, and the width of the locking groove 704 is larger than the inner diameter of the ring 701 and smaller than the outer diameter of the ring 701.
In one aspect of this embodiment, the ring member 701 may be a metal ring with an annular structure, the metal ring has a relatively thin thickness, a plurality of fastening blocks are fixed to the other end surface of the ring member 701, the charging unit 7 is fastened to the connecting member 504 through the fastening blocks and the slots 5043, the blocking member 702 may be an insert plate, the insert plate can be drawn out from the fastening slots 704 of the metal ring, after the bin 703 is filled with the tiled material, the charging unit 7 is integrally taken down and placed in the carrier of the sander body 1, the insert plate is drawn out from the metal ring, and a plurality of materials are completely dropped into the carrier while maintaining a position state, and manual tiling is not required.
As shown in fig. 2, as another preferred embodiment of the present invention, the leveling unit 9 includes a second telescopic member fixed on the bracket and facing the loading unit 7, and the other end of the second telescopic member is fixed with a pushing plate 902, and the pushing plate 902 is flush with the side of the loading unit 7 facing the feeding pipe 8.
In a case of this embodiment, the second extensible member may be an electric push rod, and the lower end surface of the push plate 902 is flush with the upper end surface of the ring member 701, because after the material is spread in the loading unit 7, but there is still excess material above the loading unit, at this time, the push plate 902 is driven by the electric push rod to move, and the excess material on the ring member 701 is pushed out and falls into the discharging pipe 6, so that when the loading unit 7 is placed on the carrier in the polishing device 2, after the insert plate is pulled out, there is no excess overlapped material in the carrier.
As shown in fig. 3, as another preferred embodiment of the present invention, the aperture of the end of the feeding pipe 8 close to the loading unit 7 is smaller than the aperture of the other end, the aperture of the end of the discharging pipe 6 close to the loading unit 7 is larger than the aperture of the other end, and the aperture of the end of the discharging pipe 6 close to the loading unit 7 is larger than the maximum size of the shape of the loading unit 7, the diameter-variable setting of the feeding pipe 8 can facilitate the feeding operation, and the diameter-variable setting of the discharging pipe 6 is such that the charging unit 7 can ensure that shaken off materials can be collected into the discharging pipe 6 when reciprocating shaking.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A numerical control double-sided polisher comprises a polisher body, wherein a polishing device is arranged on one side of the polisher body, and the numerical control double-sided polisher is characterized in that a discharging mechanism is arranged on the other side of the polisher body and used for placing typeset and polished workpiece raw materials in a carrier of the polishing device;
the discharging mechanism comprises a supporting piece fixed on the polisher body through an upright column, a vibrating assembly and a discharging pipe are arranged on the supporting piece, a charging unit is arranged at the output end of the vibrating assembly, an inlet pipe is fixed on the vibrating assembly through a support, a leveling unit is arranged on the support and used for pushing redundant workpieces on the charging unit to move and fall into the discharging pipe, and when the vibrating assembly is located in an initial state, the inlet pipe, the charging unit and the discharging pipe are coaxial.
2. The numerical control double-sided sander according to claim 1, wherein a bin corresponding to a position of the blanking pipe is fixed to the sander body.
3. The numerical control double-sided sander according to claim 1, wherein the vibrating assembly comprises a mounting member fixed to a support member, a driving member is fixed to the support member, a first telescopic member is provided on the mounting member, a connecting member is provided at one end of the first telescopic member, the connecting member is used for fixing the charging unit, and the driving member is used for driving the first telescopic member to work so that the charging unit reciprocates along the axial direction of the first telescopic member.
4. The numerical control double-sided sander according to claim 3, wherein the first expansion member is a spring expansion link, the spring expansion link is slidably connected to the mounting member, the output end of the driving member is connected with a cam in a matching manner, and the charging unit is reciprocated by the rotating cam and the spring expansion link in a matching manner.
5. The numerical control double-sided sander according to claim 3, wherein the connecting member comprises a support rod fixed to one end of the first telescopic member, a tray is fixed to the other end of the support rod, a plurality of slots are formed in the tray, and the charging unit is clamped to the tray by being matched with the slots.
6. The numerical control double-sided sander according to claim 1, wherein the loading unit comprises a ring member, a drawout blocking member is arranged on the ring member, and a chamber is formed between one side of the blocking member facing the feeding pipe and the ring member and used for flatly storing a plurality of workpieces.
7. The numerical control double-sided sander according to claim 6, wherein the ring has a through slot, the blocking member is inserted into the slot, the blocking member has a thickness smaller than that of the slot, and the slot has a width larger than the inner diameter of the ring and smaller than the outer diameter of the ring.
8. The numerical control double-sided sander according to claim 1, wherein the leveling unit comprises a second telescoping member fixed to the stand and facing the loading unit, and a pushing plate is fixed to the other end of the second telescoping member and flush with a surface of the loading unit facing the feed pipe.
9. The numerically controlled double-sided sander according to claim 1, wherein the feed tube has a smaller caliber at one end adjacent to the charging unit than at the other end.
10. The numerical control double-sided sander according to claim 1, wherein the caliber of the blanking pipe at one end close to the charging unit is larger than the caliber of the other end, and the caliber of the blanking pipe at one end close to the charging unit is larger than the maximum dimension of the outer shape of the charging unit.
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| CN202110760226.1A CN113334172B (en) | 2021-07-06 | 2021-07-06 | Numerical control double-sided grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110760226.1A CN113334172B (en) | 2021-07-06 | 2021-07-06 | Numerical control double-sided grinding machine |
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| CN113334172A true CN113334172A (en) | 2021-09-03 |
| CN113334172B CN113334172B (en) | 2022-02-22 |
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| CN109914727A (en) * | 2019-03-11 | 2019-06-21 | 重庆大学 | A kind of retroreflecting plate preparation method applied to wall |
| CN110194355A (en) * | 2019-06-28 | 2019-09-03 | 常州速稳智能机械有限公司 | A kind of oscillation feed gear and the transshipment acitivity with it |
| CN210232376U (en) * | 2019-08-09 | 2020-04-03 | 江苏海鑫机床有限公司 | Horizontal numerically-controlled drilling machine curve material way feed bin |
| CN111302702A (en) * | 2020-02-29 | 2020-06-19 | 上海益奢汇实业有限公司 | Novel ceramic chip preparation method |
| CN111806770A (en) * | 2020-07-30 | 2020-10-23 | 湖南芳维食品有限公司 | Chocolate production is with equipment for packing that has row material mechanism |
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