CN112692689A - Equipment for wood surface machining and polishing - Google Patents
Equipment for wood surface machining and polishing Download PDFInfo
- Publication number
- CN112692689A CN112692689A CN202110062356.8A CN202110062356A CN112692689A CN 112692689 A CN112692689 A CN 112692689A CN 202110062356 A CN202110062356 A CN 202110062356A CN 112692689 A CN112692689 A CN 112692689A
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- CN
- China
- Prior art keywords
- bottom plate
- polishing
- servo motor
- support piece
- supporting
- 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
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/22—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B19/24—Single-purpose machines or devices for particular grinding operations not covered by any other main group characterised by a special design with respect to properties of the material of non-metallic articles to be ground of wood, e.g. furniture
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B47/06—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by liquid or gas pressure 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a polishing device, in particular to a device for processing and polishing the surface of wood. The equipment for processing and polishing the surface of the wood is high in working efficiency and good in polishing effect. The utility model provides a such an equipment for wood surface machining is polished, comprising a base plate, motor base, servo motor, support piece, a supporting plate, advancing mechanism, rotary mechanism, pneumatic mechanism and grinding machanism, be equipped with motor base in the middle of bottom plate top one side, the motor base top is equipped with servo motor, be equipped with support piece in the middle of bottom plate top one side, support piece is located servo motor one side, be equipped with the backup pad in the middle of bottom plate top one side, the backup pad is located support piece one side, be equipped with advancing mechanism between backup pad top and the servo motor output shaft. Through the cooperation of advancing mechanism, rotary mechanism, pneumatic mechanism and grinding machanism, can polish timber automatically, do not need people to polish timber manually, improve people's work efficiency.
Description
Technical Field
The invention relates to a polishing device, in particular to a device for processing and polishing the surface of wood.
Background
Timber plays very big effect to people's aspect of the life now, according to the ligneous nature characteristic of difference, can be used for different ways with timber, and furniture, catering utensils, door, handrail etc. can be made to timber, need process timber earlier before the use to timber, and the essential process is just polished in the course of working, because timber surface is unevenness exactly, if do not polish just directly make furniture, cause the injury to people very easily.
With present technique, all be that people are manual to polish timber, at this moment need with the position of hand fixing timber, consequently reduce people's work efficiency, people's manual polishing has the dead angle moreover, and the effect of polishing is not good, wastes time and difficultly, to the above-mentioned problem, has designed a work efficiency height and the effectual equipment that is used for wood surface machining and polishes of polishing.
Disclosure of Invention
In order to overcome the defects that the working efficiency of manual wood polishing of people is not high and the polishing effect is not good, the technical problem is that: the equipment for processing and polishing the surface of the wood is high in working efficiency and good in polishing effect.
The technical scheme of the invention is as follows: the utility model provides an equipment for wood surface machining is polished, comprising a base plate, motor base, servo motor, support piece, a supporting plate, advancing mechanism, rotary mechanism, pneumatic mechanism and polishing mechanism, be equipped with motor base in the middle of bottom plate top one side, motor base top is equipped with servo motor, be equipped with support piece in the middle of bottom plate top one side, support piece is located servo motor one side, be equipped with the backup pad in the middle of bottom plate top one side, the backup pad is located support piece one side, be equipped with advancing mechanism between backup pad top and the servo motor output shaft, be equipped with rotary mechanism between bottom plate top one side and the advancing mechanism, bottom plate top one side is equipped with pneumatic mechanism, be equipped with polishing mechanism.
Further, advancing mechanism is equipped with the bull stick on the servo motor output shaft including bull stick, primary shaft bearing, screw rod, swivel nut, limiting plate and belt pulley subassembly, is equipped with primary shaft bearing in the middle of the support piece top, is equipped with the screw rod on the primary shaft bearing, and screw rod lateral part screw thread formula is equipped with the swivel nut, and backup pad top bilateral symmetry is equipped with the limiting plate, and the swivel nut contacts with the limiting plate top, is equipped with the belt pulley subassembly between screw rod lateral part and the bull stick lateral part.
Further, rotary mechanism is equipped with the dwang including dwang, supporting seat and second bearing, the inside slidingtype of screw rod, and bottom plate top one side is equipped with the supporting seat, and the supporting seat top is equipped with the second bearing.
Furthermore, pneumatic mechanism is equipped with the supporting shoe including supporting shoe, first axis of rotation, cylinder and spacing slider, the bilateral symmetry of bottom plate top one side is equipped with the supporting shoe, is equipped with first axis of rotation between the supporting shoe upper portion, is equipped with the cylinder in the first axis of rotation, and slidingtype is equipped with spacing slider in the middle of bottom plate top one side, and spacing slider one side is connected with the cylinder.
Further, grinding machanism is including the supporting component, the second axis of rotation, coupling assembling, spacing slide rail, the wedge, return spring and emery wheel, the both sides of bottom plate top one side all are equipped with the supporting component, the relative one side upper portion of supporting component all is equipped with the second axis of rotation, all be equipped with coupling assembling in the second axis of rotation, be equipped with spacing slide rail in the middle of bottom plate top one side, spacing slide rail is located spacing slider one side, spacing slide rail top slidingtype is equipped with the wedge, wedge and spacing slider cooperation, wedge and coupling assembling cooperation, be equipped with return spring between the coupling assembling lower part, in the middle of the wedge top and coupling assembling upper portion all are equipped with the emery wheel.
Further, the first rotating shaft is cylindrical in shape.
The beneficial effects are that: through advancing mechanism, rotary mechanism, pneumatic mechanism and grinding machanism's cooperation, can polish to timber automatically, do not need people to polish to timber manually, improve people's work efficiency to it is all-round to polish, and it is effectual to polish, does not need the secondary to polish, makes things convenient for people's work.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the propulsion mechanism of the present invention.
Fig. 3 is a schematic perspective view of the rotating mechanism of the present invention.
Fig. 4 is a schematic perspective view of the pneumatic mechanism of the present invention.
Fig. 5 is a schematic perspective view of a grinding mechanism according to the present invention.
Part names and serial numbers in the figure: 1_ bottom plate, 2_ motor base, 3_ servo motor, 4_ support piece, 5_ backup pad, 6_ advancing mechanism, 61_ bull stick, 62_ first bearing frame, 63_ screw rod, 64_ swivel nut, 65_ limiting plate, 66_ pulley assembly, 7_ rotary mechanism, 71_ dwang, 72_ supporting seat, 73_ second bearing, 8_ pneumatic mechanism, 81_ supporting block, 82_ first axis of rotation, 83_ cylinder, 84_ spacing slider, 9_ grinding mechanism, 91_ supporting component, 92_ second axis of rotation, 93_ coupling assembling, 94_ spacing slide rail, 95_ wedge, 96_ return spring, 97_ emery wheel.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example 1
The utility model provides an equipment for wood surface machining is polished, as shown in figure 1, including bottom plate 1, motor base 2, servo motor 3, support piece 4, backup pad 5, advancing mechanism 6, rotary mechanism 7, pneumatic mechanism 8 and grinding machanism 9, be equipped with motor base 2 in the middle of the 1 top right side of bottom plate, motor base 2 top is equipped with servo motor 3, be equipped with support piece 4 in the middle of the 1 top right side of bottom plate, support piece 4 is located servo motor 3 left side, be equipped with backup pad 5 in the middle of the 1 top right side of bottom plate, backup pad 5 is located support piece 4 left side, be equipped with advancing mechanism 6 between backup pad 5 top and the 3 output shaft of servo motor, be equipped with rotary mechanism 7 between 1 top left side of bottom plate and the advancing mechanism 6, 1 top left side rear portion of bottom plate is equipped with pneumatic mechanism 8.
Firstly, wood is put into a rotating mechanism 7 and then is connected with a propelling mechanism 6, a servo motor 3 is started, an output shaft of the servo motor 3 drives the propelling mechanism 6 and the rotating mechanism 7 to operate, the rotating mechanism 7 drives the wood to rotate, the propelling mechanism 6 pushes the wood to the left, then a certain part of a pneumatic mechanism 8 is started, the pneumatic mechanism 8 drives a polishing mechanism 9 to polish the wood, the wood is taken down after polishing is completed, new wood is put on, the device operates repeatedly, and when all the wood is polished completely, the certain part of the servo motor 3 and the pneumatic mechanism 8 is closed.
Example 2
On the basis of embodiment 1, as shown in fig. 2, fig. 3, fig. 4 and fig. 5, the propelling mechanism 6 includes a rotating rod 61, a first bearing seat 62, a screw 63, a threaded sleeve 64, a limiting plate 65 and a belt pulley assembly 66, the rotating rod 61 is arranged on the output shaft of the servo motor 3, the first bearing seat 62 is arranged in the middle of the top of the supporting member 4, the screw 63 is arranged on the first bearing seat 62, the threaded sleeve 64 is arranged on the left portion of the screw 63 in a threaded manner, the limiting plates 65 are symmetrically arranged on the front and rear sides of the top of the supporting plate 5, the threaded sleeve 64 is in contact with the top of the limiting plate 65, and the belt pulley assembly 66 is arranged.
Start servo motor 3, then 3 corotation of control servo motor, 3 output shafts of servo motor drive bull stick 61 rotates, bull stick 61 drives screw rod 63 through belt pulley subassembly 66 and rotates, under limiting plate 65's effect, screw rod 63 drives swivel nut 64 and turns left the motion, swivel nut 64 promotes timber and turns left the motion, grinding machanism 9 polishes timber, timber is taken off after polishing the completion, 3 reversals of control servo motor, thereby it resets to drive swivel nut 64 and turn right the motion, the device is repeated to operate, after the completion of polishing of all timbers, it can to close servo motor 3.
The rotating mechanism 7 comprises a rotating rod 71, a supporting seat 72 and a second bearing 73, the rotating rod 71 is arranged inside the screw 63 in a sliding mode, the supporting seat 72 is arranged on the left side of the top of the bottom plate 1, and the second bearing 73 is arranged on the top of the supporting seat 72.
It transports timber to turn right from second bearing 73 left side manually, then fixed timber and dwang 71 left end, when screw 63 rotated, screw 63 drove dwang 71 and rotates, dwang 71 drove timber and rotates, and screw 63 drove swivel nut 64 and turns left the motion simultaneously, and swivel nut 64 drove timber and dwang 71 turn left the motion, and grinding machanism 9 polishes timber, and timber is taken off after polishing the completion, when putting new timber, and timber drives dwang 71 and turns right the motion and reset.
The pneumatic mechanism 8 comprises supporting blocks 81, a first rotating shaft 82, an air cylinder 83 and a limiting slide block 84, the supporting blocks 81 are symmetrically arranged on the left side and the right side of the rear portion of the left side of the top of the bottom plate 1, the first rotating shaft 82 is arranged between the upper portions of the supporting blocks 81, the air cylinder 83 is arranged on the first rotating shaft 82, the limiting slide block 84 is arranged in the middle of the left side of the top of the bottom plate 1 in a sliding mode, and the rear side of the limiting.
The air cylinder 83 is started, the air cylinder 83 is controlled to be pushed out forwards, the air cylinder 83 drives the limiting slide block 84 to slide forwards, the air cylinder 83 is controlled to reset backwards, and the air cylinder 83 drives the limiting slide block 84 to reset backwards in a sliding mode.
Grinding machanism 9 is including supporting component 91, second axis of rotation 92, coupling assembling 93, spacing slide rail 94, wedge 95, return spring 96 and emery wheel 97, the left front and back both sides in 1 top of bottom plate all are equipped with supporting component 91, the relative one side upper portion of supporting component 91 all is equipped with second axis of rotation 92, all be equipped with coupling assembling 93 on the second axis of rotation 92, be equipped with spacing slide rail 94 in the middle of 1 top left side of bottom plate, spacing slide rail 94 is located spacing slider 84 right side, spacing slide rail 94 top slidingtype is equipped with wedge 95, wedge 95 and the cooperation of spacing slider 84, wedge 95 and the cooperation of coupling assembling 93, be equipped with return spring 96 between the coupling assembling 93 lower part, wedge 95 in the middle of the top and coupling assembling 93 upper portion all are equipped with.
When spacing slider 84 is during forward motion, drive wedge 95 up-going motion, wedge 95 drives coupling assembling 93 and takes place to rotate, make emery wheel 97 all toward being close to one side motion each other, return spring 96 is tensile, when timber and emery wheel 97 contact, emery wheel 97 polishes timber, the completion back of polishing, the timber of polishing is taken off, when spacing slider 84 moves backward and resets, return spring 96 reconversion, under the effect of return spring 96, drive coupling assembling 93 and rotate and reset, coupling assembling 93 drives wedge 95 down motion and resets, make emery wheel 97 all reset toward the motion of keeping away from one side each other.
The present application is described in detail above, and the principles and embodiments of the present application are described herein by using specific examples, which are only used to help understand the method and the core idea of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (6)
1. A device for processing and polishing wood surfaces comprises a bottom plate (1), a motor base (2), a servo motor (3), a support piece (4) and a support plate (5), wherein the motor base (2) is arranged in the middle of one side of the top of the bottom plate (1), the servo motor (3) is arranged at the top of the motor base (2), the support piece (4) is arranged in the middle of one side of the top of the bottom plate (1), the support piece (4) is positioned at one side of the servo motor (3), the support plate (5) is arranged in the middle of one side of the top of the bottom plate (1), the support plate (5) is positioned at one side of the support piece (4), the device is characterized by further comprising a propelling mechanism (6), a rotating mechanism (7), a pneumatic mechanism (8) and a polishing mechanism (9), a propelling mechanism (6) is arranged between the top of the support plate (5) and an output shaft of, one side of the top of the bottom plate (1) is provided with a pneumatic mechanism (8), and a polishing mechanism (9) is arranged between one side of the top of the bottom plate (1) and the pneumatic mechanism (8).
2. The wood surface machining and polishing device according to claim 1, wherein the propelling mechanism (6) comprises a rotating rod (61), a first bearing seat (62), a screw rod (63), a threaded sleeve (64), limiting plates (65) and a belt pulley assembly (66), the rotating rod (61) is arranged on an output shaft of the servo motor (3), the first bearing seat (62) is arranged in the middle of the top of the supporting piece (4), the screw rod (63) is arranged on the first bearing seat (62), the threaded sleeve (64) is arranged on the side portion of the screw rod (63) in a threaded manner, the limiting plates (65) are symmetrically arranged on two sides of the top of the supporting plate (5), the threaded sleeve (64) is in contact with the tops of the limiting plates (65), and the belt pulley assembly (66) is arranged between the side portion of the screw rod (63).
3. The equipment for wood surface processing grinding according to claim 2, characterized in that the rotating mechanism (7) comprises a rotating rod (71), a supporting seat (72) and a second bearing (73), the rotating rod (71) is slidably arranged inside the screw rod (63), the supporting seat (72) is arranged on one side of the top of the bottom plate (1), and the second bearing (73) is arranged on the top of the supporting seat (72).
4. The equipment for wood surface machining grinding according to claim 3, characterized in that the pneumatic mechanism (8) comprises supporting blocks (81), a first rotating shaft (82), air cylinders (83) and limiting sliding blocks (84), the supporting blocks (81) are symmetrically arranged on two sides of one side of the top of the bottom plate (1), the first rotating shaft (82) is arranged between the upper portions of the supporting blocks (81), the air cylinders (83) are arranged on the first rotating shaft (82), the limiting sliding blocks (84) are arranged in the middle of one side of the top of the bottom plate (1) in a sliding mode, and one side of the limiting sliding blocks (84) is connected with the air cylinders (83).
5. The wood surface machining and grinding device as recited in claim 4, characterized in that the grinding mechanism (9) comprises a support assembly (91), a second rotating shaft (92), a connecting assembly (93), a limiting slide rail (94), a wedge block (95), a return spring (96) and a grinding wheel (97), the support assembly (91) is arranged on both sides of one side of the top of the base plate (1), the second rotating shaft (92) is arranged on the upper portion of the opposite side of the support assembly (91), the connecting assembly (93) is arranged on the second rotating shaft (92), the limiting slide rail (94) is arranged in the middle of one side of the top of the base plate (1), the limiting slide rail (94) is positioned on one side of the limiting slide block (84), the wedge block (95) is slidably arranged on the top of the limiting slide rail (94), the wedge block (95) is matched with the limiting slide block (84), and the wedge block (95) is matched, a return spring (96) is arranged between the lower parts of the connecting components (93), and the middle of the top of the wedge-shaped block (95) and the upper part of the connecting component (93) are both provided with a grinding wheel (97).
6. An apparatus for wood surface working sanding according to claim 4 where the first rotational axis (82) is cylindrical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062356.8A CN112692689A (en) | 2021-01-18 | 2021-01-18 | Equipment for wood surface machining and polishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062356.8A CN112692689A (en) | 2021-01-18 | 2021-01-18 | Equipment for wood surface machining and polishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112692689A true CN112692689A (en) | 2021-04-23 |
Family
ID=75515445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110062356.8A Pending CN112692689A (en) | 2021-01-18 | 2021-01-18 | Equipment for wood surface machining and polishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112692689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276019A (en) * | 2021-05-08 | 2021-08-20 | 潘利锋 | Be used for pole refill equipment of polishing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT310026B (en) * | 1972-03-10 | 1973-09-10 | Zuckermann Komm Ges Wien Masch | Copy grinding machine for molded parts made of wood or plastic with irregular body shape |
| BR202018009016U2 (en) * | 2018-05-03 | 2018-10-23 | Etrosmaq Indústria de Máquinas e Automação Industrial Ltda ME | disposal applied to biomass crusher |
| CN109127821A (en) * | 2018-07-17 | 2019-01-04 | 青岛新力通工业有限责任公司 | A kind of three-dimensional space bend pipe process equipment |
| CN109940700A (en) * | 2019-04-12 | 2019-06-28 | 湖州师范学院求真学院 | It is a kind of for producing the automatic processing device of chair |
| CN111515777A (en) * | 2020-04-26 | 2020-08-11 | 廖乘聪 | Log burnishing and polishing equipment |
| CN111922858A (en) * | 2020-07-17 | 2020-11-13 | 陈卓文 | Wood strip grinding machine for wood processing |
-
2021
- 2021-01-18 CN CN202110062356.8A patent/CN112692689A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT310026B (en) * | 1972-03-10 | 1973-09-10 | Zuckermann Komm Ges Wien Masch | Copy grinding machine for molded parts made of wood or plastic with irregular body shape |
| BR202018009016U2 (en) * | 2018-05-03 | 2018-10-23 | Etrosmaq Indústria de Máquinas e Automação Industrial Ltda ME | disposal applied to biomass crusher |
| CN109127821A (en) * | 2018-07-17 | 2019-01-04 | 青岛新力通工业有限责任公司 | A kind of three-dimensional space bend pipe process equipment |
| CN109940700A (en) * | 2019-04-12 | 2019-06-28 | 湖州师范学院求真学院 | It is a kind of for producing the automatic processing device of chair |
| CN111515777A (en) * | 2020-04-26 | 2020-08-11 | 廖乘聪 | Log burnishing and polishing equipment |
| CN111922858A (en) * | 2020-07-17 | 2020-11-13 | 陈卓文 | Wood strip grinding machine for wood processing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276019A (en) * | 2021-05-08 | 2021-08-20 | 潘利锋 | Be used for pole refill equipment of polishing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20210423 |