CN210335495U - Polishing device for machining machine tool accessories - Google Patents
Polishing device for machining machine tool accessories Download PDFInfo
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- CN210335495U CN210335495U CN201920326136.XU CN201920326136U CN210335495U CN 210335495 U CN210335495 U CN 210335495U CN 201920326136 U CN201920326136 U CN 201920326136U CN 210335495 U CN210335495 U CN 210335495U
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Abstract
The utility model discloses a burnishing device for lathe accessory processing, it polishes conveniently, and is efficient, gets to put the convenience, can promote polishing effect and polishing efficiency. The utility model comprises a rubber base, wherein a cabinet is arranged at the upper end of the rubber base, and a workbench is arranged at the upper end of the cabinet; an upper cover body is arranged at the upper end of the workbench, dust suction ports are arranged on two sides of the upper cover body, a polishing seat is arranged between the two dust suction ports at the upper end of the workbench, a polishing table is arranged on the polishing seat, and a clamping plate used for clamping a workpiece to be polished is arranged on the polishing table; a polishing motor is arranged right above the polishing table, and a polishing cutter is arranged on an output shaft of the polishing motor; a fan is arranged in the cabinet, and a dust collecting box is arranged at one side position of the inside of the cabinet, which is close to the fan; a bracket is fixedly arranged on the workbench; the polishing tool includes a polishing body mounted on an output shaft of the polishing motor.
Description
Technical Field
The utility model relates to a burnishing device especially relates to a burnishing device for machine tool accessory processing.
Background
With the development of society and the improvement of living standard of people, people start to have higher and higher requirements on required products, especially have higher requirements on the appearance of products such as metal and the like, and have both visual effect and good hand feeling effect, so that the surface treatment of the products such as metal and the like has wide market prospect; in the machining of machine tool accessories, the polishing process is to polish in order to meet the assembly and use requirements of parts such as copper pipes and the like; however, the polishing device adopted at present has some defects needing improvement in daily use; in particular, the method comprises the following steps of,
in the existing polishing device in the field, the scraps in the polishing process fall on a workbench, manual cleaning is needed at regular time, the workload and the potential safety hazard are increased due to the manual cleaning, and the influence of the polishing process is caused by the regular cleaning, so that the polishing process and the polishing quality are unstable; in addition, in the existing polishing device, the upper cover body is manually opened to take and place the workpiece after the workpiece is polished, on one hand, the temperature of the workpiece just after polishing is high, on the other hand, harmful substances and hidden dangers of dangerous conditions still exist in the upper cover body just after polishing, manual taking and placing are inconvenient, and the efficiency is low; finally, the existing polishing tool only has one grinding disc, and if the grinding effect needs to be changed, the whole polishing tool needs to be changed, so that the processing of the same workpiece is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed at, disclose a burnishing device for lathe accessory processing, it polishes conveniently, and is efficient, gets to put the convenience, can promote polishing effect and polishing efficiency.
The utility model provides a technical scheme that its technical problem adopted is: the polishing device for machining the machine tool accessories comprises a rubber base, wherein a cabinet is arranged at the upper end of the rubber base, and a workbench is arranged at the upper end of the cabinet; an upper cover body is arranged at the upper end of the workbench, a cabinet door capable of being opened is arranged on the front face of the upper cover body, dust suction ports are formed in two sides of the upper cover body, a polishing seat is arranged between the two dust suction ports at the upper end of the workbench, a polishing table is mounted on the polishing seat, and a clamping plate used for clamping a workpiece to be polished is arranged on the polishing table; a polishing motor is arranged right above the polishing table, and a polishing cutter is arranged on an output shaft of the polishing motor; a fan is arranged in the cabinet, and a dust collecting box is arranged at one side position of the inside of the cabinet, which is close to the fan;
the worktable is fixedly provided with a support, bearing seats are arranged on two sides of the support, two ends of a driving rotating shaft are rotatably arranged on the bearing seats, one end of the driving rotating shaft is connected with an output shaft of a driving motor, and the driving motor is fixedly arranged on the support; two gears are symmetrically arranged on the driving rotating shaft, racks are respectively meshed with the gears, and the racks are fixedly arranged on the lower surface of the polishing seat; the rack is installed in a sliding mode along the direction perpendicular to the surface of the cabinet door;
the polishing tool comprises a polishing main body arranged on an output shaft of the polishing motor, the polishing main body comprises a connecting clamping plate used for being in butt joint with the output shaft of the polishing motor, the lower end face of the connecting clamping plate is fixedly connected with a rotating shaft, the lower end face of the rotating shaft is fixedly connected with an electric telescopic rod, four corners of the outer end face of the electric telescopic rod are fixedly connected with telescopic rods, the lower end face of each telescopic rod is fixedly inserted with a connecting clamping block, the lower end face of each connecting clamping block is fixedly connected with a fixed baffle, the center position of the lower end face of each fixed baffle is slidably inserted with a second polishing grinding face, and the second polishing grinding face is fixedly connected to the center position of the lower; and the outer end surface of the second polishing grinding surface is sleeved with the first polishing grinding surface.
As a preferred embodiment of the present invention: and the polishing seat is provided with a hydraulic cylinder, and the top end of a piston rod of the hydraulic cylinder is fixedly connected with the bottom surface of the polishing table.
As a preferred embodiment of the present invention: guide rails extend from two sides of the top of the support, and the guide rails are assembled on the side faces of the racks in a sliding mode.
As a preferred embodiment of the present invention: an assembly cavity is arranged in the rubber base, a pulley is arranged in the assembly cavity, a pressure frame is arranged at the position, located at the upper end of the pulley, of the assembly cavity of the rubber base, and a hydraulic lifting rod is arranged at the position, located at the upper end of the pressure frame, of the assembly cavity of the rubber base; and a hollow groove is formed in the position, corresponding to the pulley, of the bottom surface of the assembling cavity of the rubber base.
As a preferred embodiment of the present invention: the pulley passes through pressure frame fixed connection with the hydraulic lifting rod, and the pulley is provided with six altogether.
As a preferred embodiment of the present invention: one end of the dust collection port is provided with a pipeline, and the dust collection port is communicated with the fan through the pipeline.
As a preferred embodiment of the present invention: a sliding rail is fixedly arranged on the workbench and movably connected with a sliding seat, and the upper part of the sliding seat is fixedly provided with the upper cover body; the direction of the sliding rail is vertical to the direction of the rack; the cabinet door of the upper cover body is of a transparent structure.
As a preferred embodiment of the present invention: the top of the upper cover body is provided with a polishing solution storage tank, the outlet of the polishing solution storage tank is connected with a polishing solution pipe, and the polishing solution pipe extends into the upper cover body; the worktable is also provided with a lamp bracket; the splint are arc splint, splint pass through adjustment handle drive and remove along polishing bench surface.
Compared with the prior art, the utility model has the following advantage:
the utility model discloses a polishing device for machine tool accessory processing, which comprises a rubber base, wherein the upper end of the rubber base is provided with a cabinet, and the upper end of the cabinet is provided with a workbench; an upper cover body is arranged at the upper end of the workbench, a cabinet door capable of being opened is arranged on the front face of the upper cover body, dust suction ports are formed in two sides of the upper cover body, a polishing seat is arranged between the two dust suction ports at the upper end of the workbench, a polishing table is mounted on the polishing seat, and a clamping plate used for clamping a workpiece to be polished is arranged on the polishing table; a polishing motor is arranged right above the polishing table, and a polishing cutter is arranged on an output shaft of the polishing motor; a fan is arranged in the cabinet, and a dust collecting box is arranged at one side position of the inside of the cabinet, which is close to the fan; the rubber base is used for overall shock absorption, so that the polishing process is more stable; the upper cover body has the functions of dust prevention and polishing tool assembly, and the dust prevention is beneficial to maintaining the environment and the health of a user; the design of the dust collection port can discharge the waste scraps to the dust collection box at the bottom in real time, so that the polishing machine is safer and more reliable, and is beneficial to the stability of polishing effect; the clamping plate can stabilize the clamping of the workpiece, and the handheld danger and unstable effect are avoided.
The utility model discloses a fixed mounting has the support on the workstation, and both sides are provided with the bearing frame on the support, and the drive shaft both ends are rotated and are installed on the bearing frame, and the one end of drive shaft and the output shaft of driving motor are connected, and driving motor fixed mounting is on the support; two gears are symmetrically arranged on the driving rotating shaft, racks are respectively meshed with the gears, and the racks are fixedly arranged on the lower surface of the polishing seat; the rack is installed in a sliding mode along the direction perpendicular to the surface of the cabinet door; in order to realize that the workpiece is mechanically moved to the outer part of the upper cover body after polishing, the motion structure of the gear rack is designed in the embodiment, the workpiece can be moved in a micro-scale mode in the polishing process, the cabinet door can be opened after polishing is finished, the workpiece is conveyed to the outer part of the upper cover body along the rack direction through the motion of the driving motor, and convenience, rapidness and safety are realized.
The utility model discloses a polishing cutter contains and installs the polishing main part on the output shaft of polishing motor, the polishing main part contain the connection cardboard that is used for with the output shaft butt joint of polishing motor, the lower terminal surface fixedly connected with axis of rotation of connection cardboard, the lower terminal surface fixedly connected with electric telescopic handle of axis of rotation, the outer terminal surface four corners of electric telescopic handle all fixedly connected with telescopic link, the lower terminal surface of telescopic link is fixed to be pegged graft and is connected the fixture block, the lower terminal surface fixedly connected with fixed stop of connection fixture block, the lower terminal surface central point of fixed stop puts and slides and pegs graft and has the second polishing grinding surface, and the second polishing grinding surface is fixed connection at the lower terminal surface central point of electric telescopic handle; and the outer end surface of the second polishing grinding surface is sleeved with the first polishing grinding surface. When polishing, polishing motor can drive the inside axis of rotation of polishing main part and carry out quick rotation, the axis of rotation can drive electric telescopic handle and rotate, electric telescopic handle can drive fixed stop and rotate, the operation is polished to the outside of the up end of work piece to the first polishing abrasive surface of terminal surface under the fixed stop when the pivoted, if the outside of work piece needs the different abrasive surface to polish, accessible electric telescopic handle stretches out and draws back, electric telescopic handle can drive the downward motion of second polishing abrasive surface, thereby it is outstanding with the second polishing abrasive surface, electric telescopic handle's outer terminal surface fixedly connected with four telescopic links of group, and the lower terminal surface fixedly connected with of telescopic link connects the fixture block, can effectively improve the stability ability of device when polishing.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of an embodiment of the polishing tool of the present invention;
FIG. 3 is a schematic structural view of a preferred embodiment of the polishing tool of the present invention;
FIG. 4 is a schematic structural view of a preferred embodiment of the rubber mount of the present invention;
fig. 5 is a schematic structural diagram of a preferred embodiment of the upper housing of the present invention.
Description of reference numerals:
1-a rubber base, 2-a cabinet, 3-a workbench, 4-a dust suction port, 5-an upper cover body, 6-a driving motor, 7-a bracket, 8-a bearing seat, 9-a driving rotating shaft, 10-a driving gear, 11-a moving rack, 12-a polishing seat, 13-a polishing table, 14-a fan, 15-a dust collection box, 16-a clamping plate, 17-a hydraulic lifting rod, 18-a pressure frame, 19-a pulley, 20-an adjusting handle, 21-a polishing body, 22-a connecting clamping plate, 23-a rotating shaft, 24-a first polishing grinding surface, 25-a second polishing grinding surface, 26-a connecting clamping block, 27-a fixed baffle, 28-a telescopic rod, 29-an electric telescopic rod, 30-a polishing motor and 31-a polishing cutter, 32-sliding seat, 33-sliding rail.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
As shown in fig. 1-5, which illustrate a specific embodiment of the present invention; as shown in the figures, the polishing device for machining the machine tool accessories comprises a rubber base 1, wherein a cabinet 2 is arranged at the upper end of the rubber base, and a workbench 3 is arranged at the upper end of the cabinet; an upper cover body 5 is arranged at the upper end of the workbench, a cabinet door capable of being opened is arranged on the front face of the upper cover body, dust suction ports 4 are formed in two sides of the upper cover body, a polishing seat 12 is arranged between the two dust suction ports 4 at the upper end of the workbench 3, a polishing table 13 is installed on the polishing seat, and a clamping plate 16 used for clamping a workpiece to be polished is arranged on the polishing table; a polishing motor 30 is arranged right above the polishing table, and a polishing cutter 31 is arranged on an output shaft of the polishing motor; a fan 14 is arranged in the cabinet, and a dust collecting box 15 is arranged at one side position of the inside of the cabinet, which is close to the fan;
a bracket 7 is fixedly arranged on the workbench 3, bearing seats 8 are arranged on two sides of the bracket, two ends of a driving rotating shaft 9 are rotatably arranged on the bearing seats 8, one end of the driving rotating shaft is connected with an output shaft of a driving motor 6, and the driving motor is fixedly arranged on the bracket; two gears 10 are symmetrically arranged on the driving rotating shaft, racks 11 are respectively meshed with the gears and fixedly arranged on the lower surface of the polishing seat 12; the rack is installed in a sliding mode along the direction perpendicular to the surface of the cabinet door;
the polishing tool 31 comprises a polishing main body 21 mounted on an output shaft of the polishing motor 30, the polishing main body 21 comprises a connecting clamping plate 22 (provided with a flange hole capable of being reliably butted with a butting flange mounted on the output shaft of the polishing motor) for butting with the output shaft of the polishing motor 30, the lower end surface of the connecting clamping plate 22 is fixedly connected with a rotating shaft 23, the lower end surface of the rotating shaft is fixedly connected with an electric telescopic rod 29 (the electric telescopic rod is also called as an electric supporting rod or an electric cylinder and can be driven by the electric telescopic rod and belongs to a common mechanical component capable of providing telescopic power), four corners of the outer end surface of the electric telescopic rod are fixedly connected with telescopic rods 28, the lower end surface of each telescopic rod is fixedly inserted with a connecting clamping block 26, and the lower end surface of the connecting clamping block 26 is fixedly connected with a, a second polishing grinding surface 25 is inserted in the center of the lower end face of the fixed baffle 27 in a sliding manner, and the second polishing grinding surface is fixedly connected to the center of the lower end face of the electric telescopic rod; the outer end face of the second polishing grinding surface is sleeved with a first polishing grinding surface 24. The purpose of the electric telescopic rod is to extend or retract the second polishing grinding surface, the extension can replace the polishing of the first polishing grinding surface, and the retraction allows the first polishing grinding surface to be continuously polished.
Preferably, as shown in fig. 1: the polishing seat 12 is provided with a hydraulic cylinder, and the top end of a piston rod of the hydraulic cylinder is fixedly connected with the bottom surface of the polishing table. The structure of the hydraulic cylinder disclosed in the embodiment can enable the polishing table to lift, so that the polishing distance can be adjusted, and the polishing of different effects and different positions can be realized; the power structure of the hydraulic cylinder can be realized by adopting the prior art, and the description is omitted.
Preferably, as shown in fig. 1: guide rails extend from two sides of the top of the support, and the guide rails are assembled on the side faces of the racks in a sliding mode. The guide rail is arranged, so that the rack can move more stably, and therefore, the whole polishing seat and the workpiece on the polishing seat can move more stably; of course, in order to move the workpiece to the outside of the upper cover, the size and position of the guide rail can be realized by the skilled person in the art according to the guidance of the present invention and the prior common knowledge, and the design of some sizes can be realized according to the principle of field experiments for a limited number of times to ensure the stability.
Preferably, as shown in fig. 4: an assembly cavity is arranged in the rubber base, a pulley 19 is arranged in the assembly cavity, a pressure frame 18 is arranged at the position, located at the upper end of the pulley, of the assembly cavity of the rubber base, and a hydraulic lifting rod 17 is arranged at the position, located at the upper end of the pressure frame, of the assembly cavity of the rubber base; and a hollow groove is formed in the position, corresponding to the pulley, of the bottom surface of the assembling cavity of the rubber base. The structure of the assembly cavity is used for realizing the movement of the whole cabinet and the components on the cabinet, when the pulley is jacked to the position below the hollow groove, the whole cabinet can move, and when the pulley is completely retracted into the assembly cavity, the bottom of the whole cabinet is supported by the rubber base, so that the purposes of buffering and shock absorption are realized; regarding the size and specification of the assembly cavity, on the premise of not affecting the supporting force of the rubber base, generally, the assembly cavity can be 1/4 of the whole volume of the rubber base; the improvement of rubber hardness is helpful for realizing reliability, parameters such as rubber hardness and size are common knowledge of rubber materials as a damping structure, and the description is omitted in this embodiment.
Preferably, as shown in fig. 4: the pulley passes through pressure frame fixed connection with the hydraulic lifting rod, and the pulley is provided with six altogether.
Preferably, as shown in fig. 1: one end of the dust suction port is provided with a pipeline, and the dust suction port 4 is communicated with the fan 14 through the pipeline. The dust absorption opening is preferably a horn-shaped opening, and the dust absorption opening is positioned on two sides and can uniformly absorb waste scraps, so that the dust absorption opening is very convenient and reliable.
Preferably, as shown in fig. 5: a slide rail 33 is fixedly arranged on the workbench, the slide rail 33 is movably connected with a slide seat 32, and the upper part of the slide seat is fixedly provided with the upper cover body 5; the direction of the sliding rail is vertical to the direction of the rack; the cabinet door of the upper cover body is of a transparent structure. In the embodiment, the upper cover body for machining is designed to be a movable structure, and the upper cover body is mainly moved according to different machining effects, so that the upper cover body is prevented from being shielded and the polishing position of the polishing tool is not reasonable; the regulation function is increased, and the adaptation range is increased.
Preferably, as shown in fig. 1: the top of the upper cover body is provided with a polishing solution storage tank, the outlet of the polishing solution storage tank is connected with a polishing solution pipe, and the polishing solution pipe extends into the upper cover body; the worktable is also provided with a lamp bracket; the splint are arc splint, splint pass through adjustment handle drive and remove along polishing bench surface. This embodiment discloses some auxiliary structures for the purpose of functioning as a whole polishing apparatus at night. The polishing solution is helpful for cooling, and of course, the structure for collecting the polishing solution is also designed in a matching way, the structure can be the structure for collecting the polishing solution and supplying the polishing solution, and the embodiment only limits the position of the polishing solution pipe and the position of the storage tank; the arc-shaped clamping plate can clamp a cylindrical workpiece very reliably.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
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 (8)
1. A burnishing device for lathe accessory processing which characterized in that: the rubber cabinet comprises a rubber base, wherein a cabinet is arranged at the upper end of the rubber base, and a workbench is arranged at the upper end of the cabinet; an upper cover body is arranged at the upper end of the workbench, a cabinet door capable of being opened is arranged on the front face of the upper cover body, dust suction ports are formed in two sides of the upper cover body, a polishing seat is arranged between the two dust suction ports at the upper end of the workbench, a polishing table is mounted on the polishing seat, and a clamping plate used for clamping a workpiece to be polished is arranged on the polishing table; a polishing motor is arranged right above the polishing table, and a polishing cutter is arranged on an output shaft of the polishing motor; a fan is arranged in the cabinet, and a dust collecting box is arranged at one side position of the inside of the cabinet, which is close to the fan;
the worktable is fixedly provided with a support, bearing seats are arranged on two sides of the support, two ends of a driving rotating shaft are rotatably arranged on the bearing seats, one end of the driving rotating shaft is connected with an output shaft of a driving motor, and the driving motor is fixedly arranged on the support; two gears are symmetrically arranged on the driving rotating shaft, racks are respectively meshed with the gears, and the racks are fixedly arranged on the lower surface of the polishing seat; the rack is installed in a sliding mode along the direction perpendicular to the surface of the cabinet door;
the polishing tool comprises a polishing main body arranged on an output shaft of the polishing motor, the polishing main body comprises a connecting clamping plate used for being in butt joint with the output shaft of the polishing motor, the lower end face of the connecting clamping plate is fixedly connected with a rotating shaft, the lower end face of the rotating shaft is fixedly connected with an electric telescopic rod, four corners of the outer end face of the electric telescopic rod are fixedly connected with telescopic rods, the lower end face of each telescopic rod is fixedly inserted with a connecting clamping block, the lower end face of each connecting clamping block is fixedly connected with a fixed baffle, the center position of the lower end face of each fixed baffle is slidably inserted with a second polishing grinding face, and the second polishing grinding face is fixedly connected to the center position of the lower; and the outer end surface of the second polishing grinding surface is sleeved with the first polishing grinding surface.
2. A polishing apparatus for machine tool accessory processing as set forth in claim 1, wherein: and the polishing seat is provided with a hydraulic cylinder, and the top end of a piston rod of the hydraulic cylinder is fixedly connected with the bottom surface of the polishing table.
3. A polishing apparatus for machine tool accessory processing as set forth in claim 1, wherein: guide rails extend from two sides of the top of the support, and the guide rails are assembled on the side faces of the racks in a sliding mode.
4. A polishing apparatus for machine tool accessory processing as set forth in claim 1, wherein: an assembly cavity is arranged in the rubber base, a pulley is arranged in the assembly cavity, a pressure frame is arranged at the position, located at the upper end of the pulley, of the assembly cavity of the rubber base, and a hydraulic lifting rod is arranged at the position, located at the upper end of the pressure frame, of the assembly cavity of the rubber base; and a hollow groove is formed in the position, corresponding to the pulley, of the bottom surface of the assembling cavity of the rubber base.
5. A polishing apparatus for machine tool accessory processing according to claim 4, characterized in that: the pulley passes through pressure frame fixed connection with the hydraulic lifting rod, and the pulley is provided with six altogether.
6. A polishing apparatus for machine tool accessory processing as set forth in claim 1, wherein: one end of the dust collection port is provided with a pipeline, and the dust collection port is communicated with the fan through the pipeline.
7. A polishing apparatus for machine tool accessory processing as set forth in claim 1, wherein: a sliding rail is fixedly arranged on the workbench and movably connected with a sliding seat, and the upper part of the sliding seat is fixedly provided with the upper cover body; the direction of the sliding rail is vertical to the direction of the rack; the cabinet door of the upper cover body is of a transparent structure.
8. A polishing apparatus for machine tool accessory processing as set forth in claim 1, wherein: the top of the upper cover body is provided with a polishing solution storage tank, the outlet of the polishing solution storage tank is connected with a polishing solution pipe, and the polishing solution pipe extends into the upper cover body; the worktable is also provided with a lamp bracket; the splint are arc splint, splint pass through adjustment handle drive and remove along polishing bench surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326136.XU CN210335495U (en) | 2019-03-15 | 2019-03-15 | Polishing device for machining machine tool accessories |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920326136.XU CN210335495U (en) | 2019-03-15 | 2019-03-15 | Polishing device for machining machine tool accessories |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210335495U true CN210335495U (en) | 2020-04-17 |
Family
ID=70173727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920326136.XU Expired - Fee Related CN210335495U (en) | 2019-03-15 | 2019-03-15 | Polishing device for machining machine tool accessories |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210335495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878478A (en) * | 2021-09-15 | 2022-01-04 | 赣州市桐鑫金属制品有限公司 | Surface polishing equipment for metal door processing |
-
2019
- 2019-03-15 CN CN201920326136.XU patent/CN210335495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878478A (en) * | 2021-09-15 | 2022-01-04 | 赣州市桐鑫金属制品有限公司 | Surface polishing equipment for metal door processing |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 Termination date: 20210315 |
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| CF01 | Termination of patent right due to non-payment of annual fee |