CN111922847A - Oil cylinder body surface circumference finish machining device for machining - Google Patents
Oil cylinder body surface circumference finish machining device for machining Download PDFInfo
- Publication number
- CN111922847A CN111922847A CN202010839079.2A CN202010839079A CN111922847A CN 111922847 A CN111922847 A CN 111922847A CN 202010839079 A CN202010839079 A CN 202010839079A CN 111922847 A CN111922847 A CN 111922847A
- Authority
- CN
- China
- Prior art keywords
- fixed
- grinding roller
- cylinder body
- circular motion
- machining
- 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.)
- Withdrawn
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Classifications
-
- 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
-
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
-
- 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
-
- 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
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
Abstract
The invention discloses a cylinder body surface circumference finish machining device for machining, wherein an installation part is horizontally and fixedly installed at the upper part of an upright post, a circumference motion mechanism is installed on the installation part, a grinding roller for finish grinding the cylinder body surface is arranged at the lower part of the circumference motion mechanism, and the circumference motion mechanism is connected with a meshing component for driving the grinding roller to rotate when the grinding roller does circumference motion; the cylinder body of the oil cylinder is fixed on the bedplate through the clamping structure, the grinding roller is driven to do circular motion when the circular motion mechanism acts, the grinding roller is driven to conduct self-transmission rapidly by means of the meshing component while conducting circular motion on the grinding roller, so that the purpose that the surface of the cylinder body of the oil cylinder is accurately ground by conducting self-transmission while conducting circular motion on the grinding roller is achieved, the circular motion mechanism drives the eccentric component to act through the transmission structure, the eccentric component drives the bedplate to reciprocate, and the cylinder body of the oil cylinder is driven to conduct accurate grinding on different depth positions of the surface of the oil cylinder along with reciprocating up-down movement.
Description
Technical Field
The invention relates to the field of machining, in particular to a cylinder body surface circumference finish machining device for an oil cylinder for machining.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), has simple structure and reliable work, can omit a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, and is widely applied to hydraulic systems of various machines.
The hydraulic cylinder is basically composed of a cylinder body and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
The outer wall of a cylinder body in the hydraulic cylinder needs to be tightly machined in the machining process, the surface roughness is reduced, most of existing cylinder surface machining devices are used for polishing the cylinder body through grinding wheel work, however, circumferential machining cannot be achieved, and machining steps are complex.
Disclosure of Invention
Based on the defects in the prior art mentioned in the background art, the invention provides the cylinder body surface circumference finish machining device for the oil cylinder for machining.
The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:
a cylinder body surface circumference finish machining device for machining comprises a base and an upright post fixed above one side of the base, wherein an installation piece is horizontally and fixedly installed at the upper part of the upright post, a circular motion mechanism is installed on the installation piece, a grinding roller for finely grinding the surface of a cylinder body is arranged at the lower part of the circular motion mechanism, and the circular motion mechanism is connected with a meshing component for driving the grinding roller to rotate when the grinding roller does circular motion;
the cylinder grinding device is characterized in that a platen is arranged below the grinding roller, the platen is movably mounted on the base through an eccentric assembly, the eccentric assembly is connected with the circular motion mechanism through a transmission structure, and clamping structures used for fixing the cylinder body of the oil cylinder are symmetrically and movably arranged on two sides of the platen.
As a further scheme of the invention: the circular motion mechanism comprises a motor arranged on the mounting piece, an output shaft connected with the output end of the motor and rotationally connected with the mounting piece, and a rotating piece fixed at the lower part of the output shaft;
the grinding roller is rotatably arranged at the eccentric position of the rotating part and connected with the meshing component, and the output shaft penetrates through the mounting part.
As a still further scheme of the invention: the meshing component comprises an inner gear ring horizontally fixed on one side of the upright post, a gear meshed with teeth on the inner side of the inner gear ring, a driven shaft connected with the rotating part through a bearing and fixedly connected with the gear, and a first transmission part used for connecting the driven shaft and the grinding roller;
and a fixing piece for rotatably mounting the grinding roller is vertically fixed on the outer side of the rotating piece.
As a still further scheme of the invention: the eccentric assembly comprises a driving shaft horizontally and rotatably arranged below the bedplate and a cam fixed on the driving shaft and attached to the lower surface of the bedplate;
the bedplate is arranged on the base through a sliding support structure, and the driving shaft is connected with the transmission structure.
As a still further scheme of the invention: the sliding support structure comprises telescopic pieces fixed at four corners below the bedplate and four fixed kits fixed on the base;
the fixed sleeve is sleeved with the telescopic piece in a sliding mode.
As a still further scheme of the invention: the transmission structure comprises a rotating shaft which is rotatably arranged between the base and the mounting piece, a second transmission piece which is connected with the output shaft and the rotating shaft, and a bevel gear set which is used for connecting the rotating shaft and the driving shaft;
the bevel gear set comprises a first bevel gear fixed on the rotating shaft and a second bevel gear fixed on the driving shaft and meshed with the first bevel gear.
As a still further scheme of the invention: the clamping structure comprises screwed pipes fixed on two sides of the bedplate, two lead screws in threaded connection with the screwed pipes on the two sides, a connecting piece rotatably connected to one end of each lead screw and connected with the bedplate in a sliding manner, a rotating wheel fixed at the other end of each lead screw, and two clamping blocks symmetrically obliquely fixed on the connecting piece.
After adopting the structure, compared with the prior art, the invention has the following advantages: the cylinder body of the oil cylinder is fixed on the bedplate through the clamping structure, the grinding roller is driven to do circular motion when the circular motion mechanism acts, the grinding roller is driven to conduct self-transmission rapidly by means of the meshing component while conducting circular motion, so that the purpose that the grinding roller conducts self-transmission to carry out fine grinding on the surface of the cylinder body of the oil cylinder while conducting circular motion is achieved, the circular motion mechanism drives the eccentric component to act through the transmission structure, the eccentric component drives the bedplate to reciprocate, the oil cylinder body is driven to reciprocate to carry out fine grinding on different depth positions of the surface of the oil cylinder, and the machining area is enlarged.
Drawings
Fig. 1 is a schematic structural view of a cylinder body surface circumference finishing device for machining.
Fig. 2 is a partially enlarged view of a gear and a driven shaft in the cylinder block surface peripheral finishing apparatus for machining.
FIG. 3 is a top view of a gear and an inner gear ring in the cylinder body surface circumference finishing device for machining.
Fig. 4 is a perspective view of a platen and a sliding support structure in the cylinder body surface circumference finishing device for machining.
Fig. 5 is an enlarged view of a clamping structure in the cylinder body surface circumference finishing device for machining.
In the figure: 1-a base; 2-upright post; 3-mounting parts; 4-a motor; 5-an output shaft; 6-a rotating member; 7-a driven shaft; 8-gear; 9-inner gear ring; 10-a first transmission member; 11-grinding roller; 12-a fixing member; 13-a second transmission member; 14-a rotating shaft; 15-a bevel gear; 16-second bevel gear; 17-a drive shaft; 18-a cam; 19-a platen; 20-a fixation kit; 21-a telescopic member; 22-a clamping block; 23-a connector; 24-a lead screw; 25-thread insert; 26-rotating wheel.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in the embodiment of the present invention, a cylinder body surface circumference finishing device for machining includes a base 1 and an upright post 2 fixed above one side of the base 1, wherein an installation part 3 is horizontally and fixedly installed on an upper portion of the upright post 2, a circumferential motion mechanism is installed on the installation part 3, a grinding roller 11 for fine grinding a cylinder body surface is installed on a lower portion of the circumferential motion mechanism, and the circumferential motion mechanism is connected to a meshing assembly for driving the grinding roller 11 to rotate when making a circumferential motion; a platen 19 is arranged below the grinding roller 11, the platen 19 is movably mounted on the base 1 through an eccentric assembly, the eccentric assembly is connected with the circular motion mechanism through a transmission structure, and clamping structures for fixing the cylinder body of the oil cylinder are symmetrically and movably arranged on two sides of the platen 19;
the cylinder body of the oil cylinder is fixed on the bedplate 19 through the clamping structure, the grinding roller 11 is driven to do circular motion when the circular motion mechanism acts, the grinding roller 11 is driven to rapidly self-transmit by the meshing component while the grinding roller 11 does the circular motion, so that the grinding roller 11 does the circular motion and self-transmits to finely grind the surface of the cylinder body of the oil cylinder, the circular motion mechanism drives the eccentric component to act through the transmission structure, the eccentric component drives the bedplate 19 to reciprocate, the cylinder body of the oil cylinder is driven to finely grind different depth positions of the surface of the oil cylinder along with reciprocating up-down movement, and the processing area is enlarged.
In one embodiment of the present invention, the circular motion mechanism comprises a motor 4 mounted on the mounting member 3, an output shaft 5 connected to an output end of the motor 4 and rotatably connected to the mounting member 3, and a rotating member 6 fixed to a lower portion of the output shaft 5;
the grinding roller 11 is rotatably arranged at the eccentric position of the rotating member 6 and connected with the meshing component, and an output shaft 5 penetrates through the mounting member 3;
when the motor 4 is electrified to work, the output shaft 5 is driven to rotate, the output shaft 5 drives the rotating piece 6 fixed below the output shaft to rotate, and then the grinding roller 11 eccentrically arranged is driven to do circular motion.
In another embodiment of the present invention, the meshing assembly includes an inner gear ring 9 horizontally fixed on one side of the column 2, a gear 8 engaged with inner teeth of the inner gear ring 9, a driven shaft 7 connected with the rotating member 6 through a bearing and fixedly connected with the gear 8, and a first transmission member 10 for connecting the driven shaft 7 with the grinding roller 11;
a fixing piece 12 for rotatably mounting the grinding roller 11 is vertically fixed on the outer side of the rotating piece 6;
the rotating piece 6 rotates to drive the driven shaft 7 and the gear 8 to do circular motion along the inner side of the inner gear ring 9, the gear 8 and the inner gear ring 9 act to drive the driven shaft 7 to do circular motion and transmit automatically, the driven shaft 7 drives the grinding roller 11 to transmit automatically through the first transmission piece 10, and finally the grinding roller 11 does circular motion and transmits automatically to finish the surface of the cylinder body.
In a further embodiment of the invention, the eccentric assembly comprises a driving shaft 17 horizontally and rotatably arranged below the platen 19 and a cam 18 fixed on the driving shaft 17 and attached to the lower surface of the platen 19;
the bedplate 19 is arranged on the base 1 through a sliding support structure, and the driving shaft 17 is connected with the transmission structure;
when the circular motion mechanism acts, the transmission mechanism is driven to work, the transmission mechanism drives the driving shaft 17 to rotate, further the cam 18 is driven to continuously rotate, and the cam 18 drives the bedplate 19 to reciprocate up and down under the constraint of the sliding support structure.
In a further embodiment of the invention, the sliding support structure comprises four telescopic members 21 fixed at four corners under the bedplate 19 and four fixed sets 20 fixed on the base 1;
the fixed sleeve 20 is sleeved with the telescopic piece 21 in a sliding way;
the bedplate 19 is vertically arranged above the base 1 in a sliding manner by matching the fixed sleeve 20 and the telescopic piece 21, so that the cylinder body of the oil cylinder is conveniently driven to vertically slide up and down, and dislocation is avoided.
In a further embodiment of the invention, the transmission structure comprises a rotating shaft 14 rotatably arranged between the base 1 and the mounting member 3, a second transmission member 13 connecting the output shaft 5 and the rotating shaft 14, and a bevel gear set for connecting the rotating shaft 14 and the driving shaft 17;
the bevel gear set comprises a first bevel gear 15 fixed on the rotating shaft 14 and a second bevel gear 16 fixed on the driving shaft 17 and meshed with the first bevel gear 15;
when the output shaft 5 rotates, the rotating shaft 14 is driven to rotate by the second transmission piece 13, and the rotating shaft 14 drives the first bevel gear 15 to rotate so as to drive the second bevel gear 16 and the driving shaft 17 to rotate.
In another embodiment of the present invention, the clamping structure comprises a screw tube 25 fixed on both sides of the platen 19, two lead screws 24 screwed on the screw tubes 25 on both sides, a connecting member 23 rotatably connected to one end of the lead screws 24 and slidably connected to the platen 19, a rotating wheel 26 fixed on the other end of the lead screws 24, and two clamping blocks 22 symmetrically and obliquely fixed on the connecting member 23;
the screw rod 24 is driven to rotate by rotating the rotating wheel 26, the connecting piece 23 slides along the surface of the bedplate 29 under the action of the fixed solenoid 25, so that the clamping blocks 22 fixed on the connecting piece 23 are driven to move horizontally, and two groups of four clamping blocks 22 approach to each other and clamp the cylinder body.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Claims (7)
1. A cylinder body surface circumference finish machining device for machining comprises a base (1) and an upright post (2) fixed above one side of the base (1), and is characterized in that an installation part (3) is horizontally and fixedly installed at the upper part of the upright post (2), a circular motion mechanism is installed on the installation part (3), a grinding roller (11) for finely grinding the surface of a cylinder body is arranged at the lower part of the circular motion mechanism, and the circular motion mechanism is connected with a meshing component for driving the grinding roller (11) to rotate when the grinding roller does circular motion;
a bedplate (19) is arranged below the grinding roller (11), the bedplate (19) is movably mounted on the base (1) through an eccentric assembly, the eccentric assembly is connected with the circular motion mechanism through a transmission structure, and clamping structures used for fixing the cylinder body of the oil cylinder are symmetrically and movably arranged on two sides of the bedplate (19).
2. A cylinder block surface peripheral finishing device for machining according to claim 1, characterized in that said peripheral movement mechanism comprises a motor (4) mounted on said mounting member (3), an output shaft (5) connected to an output end of said motor (4) and rotatably connected to said mounting member (3), a rotary member (6) fixed to a lower portion of said output shaft (5);
the grinding roller (11) is rotatably arranged at the eccentric position of the rotating part (6) and connected with the meshing component, and the output shaft (5) penetrates through the mounting part (3).
3. The cylinder block surface circumference finishing device for machining according to claim 2, wherein the meshing assembly comprises an inner ring gear (9) horizontally fixed on one side of the column (2), a gear (8) engaged with inner side teeth of the inner ring gear (9), a driven shaft (7) connected with the rotating member (6) through a bearing and fixedly connected with the gear (8), and a first transmission member (10) for connecting the driven shaft (7) with the grinding roller (11);
and a fixing piece (12) for rotatably mounting the grinding roller (11) is vertically fixed on the outer side of the rotating piece (6).
4. A cylinder block surface peripheral finishing apparatus for machining according to claim 2, wherein said eccentric assembly comprises a driving shaft (17) horizontally rotatably disposed below said platen (19) and a cam (18) fixed to said driving shaft (17) and engaging with a lower surface of said platen (19);
the bedplate (19) is arranged on the base (1) through a sliding support structure, and the driving shaft (17) is connected with the transmission structure.
5. A cylinder block surface peripheral finishing device for machining according to claim 4, characterized in that said sliding support structure comprises telescopic members (21) fixed at four corners under said platen (19) and four fixed sets (20) fixed on said base (1);
the fixed sleeve (20) is sleeved with the telescopic piece (21) in a sliding mode.
6. A cylinder block surface peripheral finishing device for machining according to claim 4, characterized in that the transmission structure comprises a rotating shaft (14) rotatably disposed between the base (1) and the mounting member (3), a second transmission member (13) connecting the output shaft (5) and the rotating shaft (14), and a bevel gear set for connecting the rotating shaft (14) and the driving shaft (17);
the bevel gear set comprises a first bevel gear (15) fixed on the rotating shaft (14) and a second bevel gear (16) fixed on the driving shaft (17) and meshed with the first bevel gear (15).
7. The cylinder block surface peripheral finishing device for machining according to any one of claims 1 to 6, wherein the clamping structure comprises a screw tube (25) fixed on both sides of the platen (19), two lead screws (24) screwed on the screw tubes (25) on both sides, a connecting member (23) rotatably connected to one end of the lead screws (24) and slidably connected to the platen (19), a rotating wheel (26) fixed on the other end of the lead screws (24), and two clamping blocks (22) symmetrically and obliquely fixed on the connecting member (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839079.2A CN111922847A (en) | 2020-08-19 | 2020-08-19 | Oil cylinder body surface circumference finish machining device for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839079.2A CN111922847A (en) | 2020-08-19 | 2020-08-19 | Oil cylinder body surface circumference finish machining device for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111922847A true CN111922847A (en) | 2020-11-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010839079.2A Withdrawn CN111922847A (en) | 2020-08-19 | 2020-08-19 | Oil cylinder body surface circumference finish machining device for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111922847A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404824A (en) * | 2020-11-25 | 2021-02-26 | 江西科技学院 | Automatic welded structure and new energy automobile axle processing equipment |
| CN113400202A (en) * | 2021-07-26 | 2021-09-17 | 浙江欧赛电子有限公司 | Sand blasting device for T-shaped iron surface of loudspeaker |
| CN114274018A (en) * | 2021-12-28 | 2022-04-05 | 苏州天顺复合材料科技有限公司 | Full-automatic grinding device for wind power blade girder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH01295760A (en) * | 1988-05-23 | 1989-11-29 | Fujikoshi Kikai Kogyo Kk | Lapping method and lapping machine |
| CN105945689A (en) * | 2016-07-07 | 2016-09-21 | 深圳市沃尔核材股份有限公司 | Circular revolution grinding equipment |
| CN110142669A (en) * | 2019-07-01 | 2019-08-20 | 淮海工学院 | A kind of motor housing polishing device for inner wall |
| CN110253370A (en) * | 2019-06-28 | 2019-09-20 | 李文裔 | A kind of electric pressure cooking saucepan inner casing flange circumference burnishing device suitable for reading |
| CN110270914A (en) * | 2019-07-17 | 2019-09-24 | 叶伟 | A kind of comprehensive automatic rust removing device of walking steel plate |
| CN110369771A (en) * | 2019-07-18 | 2019-10-25 | 徐月美 | A kind of metal works processing unit (plant) |
| CN209754883U (en) * | 2019-03-11 | 2019-12-10 | 昆山金海格智能系统有限公司 | Driving device for hub grinding equipment |
| CN111468450A (en) * | 2020-05-14 | 2020-07-31 | 张家港华日法兰有限公司 | Device for quickly cleaning flange hole and cleaning method thereof |
-
2020
- 2020-08-19 CN CN202010839079.2A patent/CN111922847A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01295760A (en) * | 1988-05-23 | 1989-11-29 | Fujikoshi Kikai Kogyo Kk | Lapping method and lapping machine |
| CN105945689A (en) * | 2016-07-07 | 2016-09-21 | 深圳市沃尔核材股份有限公司 | Circular revolution grinding equipment |
| CN209754883U (en) * | 2019-03-11 | 2019-12-10 | 昆山金海格智能系统有限公司 | Driving device for hub grinding equipment |
| CN110253370A (en) * | 2019-06-28 | 2019-09-20 | 李文裔 | A kind of electric pressure cooking saucepan inner casing flange circumference burnishing device suitable for reading |
| CN110142669A (en) * | 2019-07-01 | 2019-08-20 | 淮海工学院 | A kind of motor housing polishing device for inner wall |
| CN110270914A (en) * | 2019-07-17 | 2019-09-24 | 叶伟 | A kind of comprehensive automatic rust removing device of walking steel plate |
| CN110369771A (en) * | 2019-07-18 | 2019-10-25 | 徐月美 | A kind of metal works processing unit (plant) |
| CN111468450A (en) * | 2020-05-14 | 2020-07-31 | 张家港华日法兰有限公司 | Device for quickly cleaning flange hole and cleaning method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112404824A (en) * | 2020-11-25 | 2021-02-26 | 江西科技学院 | Automatic welded structure and new energy automobile axle processing equipment |
| CN113400202A (en) * | 2021-07-26 | 2021-09-17 | 浙江欧赛电子有限公司 | Sand blasting device for T-shaped iron surface of loudspeaker |
| CN114274018A (en) * | 2021-12-28 | 2022-04-05 | 苏州天顺复合材料科技有限公司 | Full-automatic grinding device for wind power blade girder |
| CN114274018B (en) * | 2021-12-28 | 2023-02-03 | 苏州天顺复合材料科技有限公司 | Full-automatic grinding device for wind power blade girder |
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Application publication date: 20201113 |