CN112157558A - Polishing machine with safety sensing device - Google Patents
Polishing machine with safety sensing device Download PDFInfo
- Publication number
- CN112157558A CN112157558A CN202010970700.9A CN202010970700A CN112157558A CN 112157558 A CN112157558 A CN 112157558A CN 202010970700 A CN202010970700 A CN 202010970700A CN 112157558 A CN112157558 A CN 112157558A
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- China
- Prior art keywords
- fixedly connected
- box
- sensing device
- polishing machine
- workbench
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing machine with a safety sensing device, which comprises a workbench, wherein the left part and the right part of the upper end of the workbench are fixedly connected with baffles, the rear ends of two groups of baffles are fixedly connected with a transverse plate together, the left part and the right part of the upper end of the workbench are fixedly connected with polishing devices, the left part and the right part of the lower end of the workbench are fixedly connected with connecting plates, opposite surfaces of the two groups of connecting plates and the workbench are fixedly connected with a driving device together, the left part and the right part of the front end of the driving device are provided with a plurality of groups of heat dissipation holes, the upper part of the front end of the driving device is fixedly connected with a fixed rod, the front end of the fixed rod is fixedly connected with a speed display device, a connecting cabinet is fixedly connected between the driving devices together, and the lower part of the opposite. According to the polishing machine with the safety sensing device, the safety performance of equipment use is realized by arranging the safety sensing switch structure, and the efficiency and the convenience are greatly improved.
Description
Technical Field
The invention relates to the field of polishing machines, in particular to a polishing machine with a safety sensing device.
Background
The polishing machine is also called as a grinding machine and is often used for mechanical grinding, polishing and waxing, the polishing machine is specially used for carrying out effect treatment on the surfaces and pipes of metal products such as steel, aluminum, copper and the like, dozens of original factory accessories meet different requirements, snow patterns, silk streaks, wave streaks, matte surfaces, mirror surfaces and the like with different precisions are easily manufactured, deep scratches and slight scratches are quickly repaired, and the polishing and polishing are quickly carried out, because 1, the polishing machine commonly used in the market at present has simple and crude appearance and low efficiency and is inconvenient to use, 2, the safety performance of equipment is not high due to simple equipment starting by a simple switch in the prior art, 3, the driving device of the prior device is simple and crude to install and slow in heat dissipation, the driving device is easy to damage after being used for a long time, the service life of the equipment is shortened, 4, the prior polishing machine has the problems of mistaken collision or machine when a workpiece is installed, the polishing machine with the safety sensing device is provided due to the fact that the polishing machine rotates when being installed, and therefore safety problems exist.
Disclosure of Invention
The invention mainly aims to provide a polishing machine with a safety sensing device, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a polishing machine with a safety sensing device comprises a workbench, wherein a baffle is fixedly connected to the left part of the upper end of the workbench and the right part of the upper end of the workbench, a transverse plate is fixedly connected to the rear ends of the two sets of baffles, a polishing device is fixedly connected to the left part of the upper end of the workbench and the right part of the upper end of the workbench, a connecting plate is fixedly connected to the left part of the lower end of the workbench and the right part of the lower end of the workbench, a driving device is fixedly connected between the opposite surfaces of the two sets of connecting plates and the workbench, a plurality of sets of heat dissipation holes are formed in the left part of the front end of the driving device, a fixing rod is fixedly connected to the upper part of the front end of the driving device, a safety sensing device is fixedly connected to the front end of the fixing rod, a connecting cabinet is fixedly connected between the driving devices, the front part of the lower end of the connecting plate and the rear part of the lower end are fixedly connected with supporting seats, the driving device and the lower end of the connecting cabinet are fixedly connected with a plurality of groups of transverse rods together at equal intervals, and the front part of the lower end of the transverse rod at the middle part and the rear part of the lower end are fixedly connected with auxiliary seats.
Preferably, burnishing device includes guide rail and connecting box, the guide rail is provided with two sets ofly altogether, and common sliding connection has the safe shell between two sets of guide rails, safe shell front end right part fixedly connected with handle, connecting box front end activity interlude is connected with the chuck, chuck rear end through connection case and fixedly connected with connecting seat, connecting seat rear portion surface has cup jointed the belt, the guide rail is in the same place with diaphragm and workstation fixed connection respectively, the connecting box lower extreme is in the same place with workstation upper end fixed connection.
Preferably, drive arrangement includes the box, tank wall middle part fixedly connected with base under in the box, base upper end left part fixedly connected with base, the equal fixedly connected with connecting block in base upper end front portion and upper end rear portion, base upper end right part fixedly connected with bracing piece, bracing piece middle part external surface is fixed to alternate and is connected with the backup pad, bracing piece upper portion surface and the equal fixed alternate connection of lower part surface have the fastening bolt, the backup pad upper end left part equidistance fixedly connected with four groups of supporting shoes of four groups, and common fixedly connected with motor between the supporting shoe of four groups, box upper end and workstation lower extreme fixed connection are in the same place.
Preferably, the safety induction device includes the control box, control box upper end right part fixedly connected with inductive switch, control box upper end left part fixedly connected with speed governing button, control box front end middle part fixedly connected with mediation button, two sets of fixing bases of the anterior fixedly connected with of control box lower extreme, and alternate jointly between two sets of fixing bases and be connected with linked switch, the anterior interlude in linked switch upper end is connected with the spanner, the control box rear end is in the same place with dead lever fixed connection.
Preferably, the lower part of the belt penetrates through the rear part of the upper end of the workbench and is sleeved with the output end of the motor.
Preferably, the rear part of the upper end of the connecting switch is connected with the rear part of the lower end of the control box in an inserting manner.
Preferably, the driving devices are respectively arranged right below the two groups of polishing devices.
Preferably, the left part of the lower end of the supporting plate is fixedly connected with the two groups of connecting blocks.
Compared with the prior art, the invention has the following beneficial effects:
1. through set up two sets of burnishing devices on the workstation, saved the usage space, improved the polishing efficiency of machined part to the accessible pulling handle makes the handle drive the safety housing and moves on two sets of guide rails, makes and can not injure the staff by mistake through sheltering from of safety housing when polishing the machined part, has improved staff's security.
2. When the machined part is polished, the rotating speed of the chuck can be adjusted through the speed adjusting button, the safety state of the equipment in working can be detected through the induction of the safety induction switch accessible control box arranged at the upper end of the control box, and after the machined part is polished, the safety performance of equipment use can be realized through the closing device of the speed adjusting button, and the working efficiency and convenience are greatly improved.
3. Through setting up bracing piece and connecting block, make it support the motor to stabilize the motor through four supporting shoes of group, through setting up the louvre at drive arrangement's front end, in the heat that makes the motor produce derived the box fast, thereby make the normal work of motor, the life of extension equipment.
4. Set up a switch of being connected with the machine electricity, during the installation work piece, the spanner is not placed in the linked switch upper end, and the machine is closed to do not have the safety problem and install the work piece after, place the spanner in linked switch department, jack-up linked switch with self gravity, thereby the machine can normal operating.
Drawings
FIG. 1 is an overall structure diagram of a polishing machine with a safety sensing device according to the present invention;
FIG. 2 is an overall bottom view of a polishing machine with a safety sensor according to the present invention;
FIG. 3 is a view showing the structure of a polishing apparatus of a polishing machine with a safety sensor according to the present invention;
FIG. 4 is a rear view of a polishing device of a polishing machine with a safety sensor according to the present invention;
FIG. 5 is a plan view of a driving device of a polishing machine with a safety sensor according to the present invention;
FIG. 6 is an enlarged view of the structure of a safety sensor of the polishing machine with the safety sensor of the present invention.
In the figure: 1. a work table; 2. a baffle plate; 3. a transverse plate; 4. a polishing device; 5. a connecting plate; 6. a drive device; 7. heat dissipation holes; 8. fixing the rod; 9. a safety sensing device; 10. a connecting cabinet; 11. a socket; 12. a limiting rod; 13. a cross bar; 14. a supporting seat; 15. an auxiliary seat; 41. a guide rail; 42. a secure enclosure; 43. a handle; 44. a connecting box; 45. a chuck; 46. a connecting seat; 47. a belt; 61. a box body; 62. a base; 63. a base; 64. a support bar; 65. a support plate; 66. fastening bolts; 67. a support block; 68. a motor; 69. connecting blocks; 91. a control box; 92. an inductive switch; 93. a speed regulating button; 94. a regulating button; 95. a fixed seat; 96. a connecting switch; 97. a wrench.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in FIGS. 1-6, a polishing machine with a safety sensing device comprises a worktable 1, wherein the left part and the right part of the upper end of the worktable 1 are fixedly connected with baffle plates 2, the rear ends of two sets of baffle plates 2 are fixedly connected with a transverse plate 3, the left part and the right part of the upper end of the worktable 1 are fixedly connected with polishing devices 4, the left part and the right part of the lower end of the worktable 1 are fixedly connected with connecting plates 5, opposite surfaces of the two sets of connecting plates 5 are fixedly connected with a driving device 6 with the worktable 1, the left part and the right part of the front end of the driving device 6 are respectively provided with a plurality of sets of heat dissipation holes 7, the upper part of the front end of the driving device 6 is fixedly connected with a fixed rod 8, the front end of the fixed rod 8 is fixedly connected with a speed display device 9, the driving device 6 is fixedly connected with a connecting cabinet 10, the lower parts of opposite surfaces of the baffle plates 2 are, the front part of the lower end of the connecting plate 5 and the rear part of the lower end are fixedly connected with supporting seats 14, the driving device 6 and the lower end of the connecting cabinet 10 are fixedly connected with a plurality of groups of cross rods 13 together at equal intervals, and the front part of the lower end of the middle cross rod 13 and the rear part of the lower end are fixedly connected with auxiliary seats 15.
Burnishing device 4 includes guide rail 41 and connecting box 44, guide rail 41 is provided with two sets ofly altogether, and common sliding connection has safe shell 42 between two sets of guide rails 41, through setting up guide rail 41, be convenient for safe shell 42's removal, through setting up safe shell 42, thereby carry out safety protection to the staff, safe shell 42 front end right part fixedly connected with handle 43, through setting up handle 43, accessible handle 43 pulling safe shell 42, connecting box 44 front end activity interlude is connected with chuck 45, chuck 45 rear end through connection box 44 and fixedly connected with connecting seat 46, connecting seat 46 rear portion surface has cup jointed belt 47, guide rail 41 is in the same place with diaphragm 3 and workstation 1 fixed connection respectively, connecting box 44 lower extreme and workstation 1 upper end fixed connection are in the same place.
The driving device 6 comprises a box body 61, a base 62 is fixedly connected with the middle part of the inner lower box wall of the box body 61, a base 63 is fixedly connected with the left part of the upper end of the base 62, the front part of the upper end and the rear part of the upper end of the base 63 are fixedly connected with connecting blocks 69, a supporting rod 64 is fixedly connected with the right part of the upper end of the base 62, a supporting plate 65 is fixedly and alternately connected with the outer surface of the middle part, the support rod 64 is arranged to support the right part of the support plate 65, the outer surface of the upper part and the outer surface of the lower part of the support rod 64 are fixedly and alternately connected with fastening bolts 66, the fastening bolt 66 is arranged to fix the supporting plate 65, the left part of the upper end of the supporting plate 65 is fixedly connected with four groups of supporting blocks 67 at equal intervals, the four groups of supporting blocks 67 are fixedly connected with a motor 68, the motor 68 is firmly connected with the supporting plate 65 by arranging the supporting block 67, and the upper end of the box body 61 is fixedly connected with the lower end of the workbench 1.
The speed display device 9 comprises a control box 91, a sensing switch 92 is fixedly connected to the right part of the upper end of the control box 91, a speed regulating button 93 is fixedly connected to the left part of the upper end of the control box 91, the speed regulating button 93 is arranged, so that the rotating speed of the chuck 45 can be regulated through the speed regulating button 93, an adjusting button 94 is fixedly connected to the middle part of the front end of the control box 91, and the adjusting button 94 is arranged, so that the working state of the chuck 45 can be controlled through the adjusting button 94, two groups of fixing seats 95 are fixedly connected to the front part of the lower end of the control box 91, a connecting switch 96 is jointly and alternately connected between the two groups of fixing seats 95, the connecting switch 96 can be supported through the arrangement of the fixing seats 95, a spanner 97 is and alternately connected to the front part of the upper end of the connecting switch 96, the polishing device 4 is opened and closed through the spanner 97 when in use through, and the connection switch 96 is equivalent to a switch, the rear end of the control box 91 is fixedly connected with the fixing rod 8, and a display is provided at the rear of the upper end of the control box 91, so that the rotation speed of the chuck 45 can be displayed.
The lower part of the belt 47 penetrates through the rear part of the upper end of the workbench 1 and is sleeved with the output end of the motor 68, so that the belt 47 drives the connecting seat 46 to rotate through the motor 68.
The rear part of the upper end of the connecting switch 96 is inserted and connected with the rear part of the lower end of the control box 91.
The driving devices 6 are respectively arranged right below the two groups of polishing devices 4.
The left part of the lower end of the supporting plate 65 is fixedly connected with two sets of connecting blocks 69, so that the connecting blocks 69 can support the motor 68 through the supporting plate 65.
It should be noted that, the invention is a polishing machine with a safety sensing device, the wrench 97 is used to open the chuck 45, the workpiece is clamped by the chuck 45, the motor 68 is started to drive the output end of the motor 68 to rotate the belt 47 sleeved with the motor 68, the belt 47 is driven to rotate the connecting seat 46 sleeved with the other end of the belt 47, the chuck 45 fixedly connected with the connecting seat 46 is rotated by the rotation of the connecting seat 46, the handle 43 is pulled to drive the safety shell 42 fixedly connected with the handle to move on the two sets of guide rails 41, so that the worker is not accidentally injured by shielding the safety shell 42 when polishing the workpiece, the heat generated by the motor 68 is quickly led out of the box 61 by arranging the heat dissipation holes 7 at the front end of the driving device 6, the motor 68 works normally, and when the worker polishes the workpiece, accessible fixed connection adjusts chuck 45's slew velocity at the speed governing button 93 on control box 91, the safe state of check out test set at the response of the upper end setting of control box 91 accessible control box 91, the security performance of realization equipment use, after polishing the machined part, then accessible mediation button 94 closing means, through setting up bracing piece 64 and connecting block 69, make it support motor 68, and stabilize motor 68 through four groups of supporting shoe 67, in the device, when installing the work piece, keep away from connecting switch 96 with spanner 97, the machine is then in the state of closing, the work piece is after installing, through alternate spanner 97 to connecting switch 96 in, through the weight of spanner 97, make connecting switch 96 jack-up upwards, thereby make the machine start normal operating.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a take safety sensor's burnishing machine, includes workstation (1), its characterized in that: the polishing device is characterized in that the left part and the right part of the upper end of the workbench (1) are fixedly connected with the baffle (2), the rear ends of the two groups of baffles (2) are fixedly connected with the transverse plate (3) together, the left part and the right part of the upper end of the workbench (1) are fixedly connected with the polishing device (4), the left part and the right part of the lower end of the workbench (1) are fixedly connected with the connecting plate (5), the opposite surfaces of the two groups of connecting plates (5) and the workbench (1) are fixedly connected with the driving device (6) together, the left part and the right part of the front end of the driving device (6) are provided with a plurality of groups of heat dissipation holes (7), the upper part of the front end of the driving device (6) is fixedly connected with the fixing rod (8), the front end of the fixing rod (8) is fixedly connected with the safety sensing device (9), and, baffle (2) opposite face lower part equal fixedly connected with socket (11), baffle (2) opposite face upper portion equal fixedly connected with gag lever post (12), connecting plate (5) lower extreme front portion and the equal fixedly connected with supporting seat (14) of lower extreme rear portion, drive arrangement (6) and connecting cabinet (10) lower extreme equidistance a plurality of horizontal poles of group (13) of common fixedly connected with, and horizontal pole (13) lower extreme front portion and the equal fixedly connected with auxiliary seat (15) of lower extreme rear portion at middle part.
2. The polishing machine with the safety sensing device as claimed in claim 1, wherein: burnishing device (4) include guide rail (41) and connecting box (44), guide rail (41) are provided with two sets ofly altogether, and common sliding connection has safe shell (42) between two sets of guide rail (41), safe shell (42) front end right part fixedly connected with handle (43), connecting box (44) front end activity interlude is connected with chuck (45), chuck (45) rear end runs through connecting box (44) and fixedly connected with connecting seat (46), belt (47) have been cup jointed to connecting seat (46) rear portion surface, guide rail (41) are in the same place with diaphragm (3) and workstation (1) fixed connection respectively, connecting box (44) lower extreme is in the same place with workstation (1) upper end fixed connection.
3. The polishing machine with the safety sensing device as claimed in claim 1, wherein: drive arrangement (6) include box (61), lower box wall middle part fixedly connected with base (62) in box (61), base (62) upper end left part fixedly connected with base (63), base (63) upper end front portion and the equal fixedly connected with connecting block (69) in upper end rear portion, base (62) upper end right part fixedly connected with bracing piece (64), bracing piece (64) middle part surface fixed interlude is connected with backup pad (65), bracing piece (64) upper portion surface and the equal fixedly interlude of lower part surface are connected with gim peg (66), backup pad (65) upper end left part equidistance fixedly connected with four supporting shoes (67) of group, and common fixedly connected with motor (68) between four supporting shoes (67) of group, box (61) upper end and workstation (1) lower extreme fixed connection are in the same place.
4. The polishing machine with the safety sensing device as claimed in claim 1, wherein: safety induction device (9) are including control box (91), right part fixedly connected with response switch (92) in control box (91) upper end, left part fixedly connected with speed governing button (93) in control box (91) upper end, control box (91) front end middle part fixedly connected with mediation button (94), two sets of fixing base (95) of the anterior fixedly connected with of control box (91) lower extreme, and alternate jointly between two sets of fixing base (95) and be connected with linking switch (96), the anterior interlude of linking switch (96) upper end is connected with spanner (97), control box (91) rear end is in the same place with dead lever (8) fixed connection.
5. The polishing machine with the safety sensing device as claimed in claim 2, wherein: the lower part of the belt (47) penetrates through the rear part of the upper end of the workbench (1) and is sleeved with the output end of the motor (68).
6. The polishing machine with the safety sensing device as claimed in claim 4, wherein: the rear part of the upper end of the connecting switch (96) is connected with the rear part of the lower end of the control box (91) in a penetrating way.
7. The polishing machine with the safety sensing device as claimed in claim 1, wherein: the driving device (6) is respectively arranged right below the two groups of polishing devices (4).
8. The polishing machine with the safety sensing device as claimed in claim 3, wherein: the left part of the lower end of the supporting plate (65) is fixedly connected with two groups of connecting blocks (69).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970700.9A CN112157558A (en) | 2020-09-16 | 2020-09-16 | Polishing machine with safety sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010970700.9A CN112157558A (en) | 2020-09-16 | 2020-09-16 | Polishing machine with safety sensing device |
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| Publication Number | Publication Date |
|---|---|
| CN112157558A true CN112157558A (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010970700.9A Pending CN112157558A (en) | 2020-09-16 | 2020-09-16 | Polishing machine with safety sensing device |
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| CN (1) | CN112157558A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1119174A (en) * | 1964-10-16 | 1968-07-10 | Wmf Wuerttemberg Metallwaren | Improvements in machines for brushing or polishing |
| CN202922376U (en) * | 2012-11-20 | 2013-05-08 | 温岭市太平高级职业中学 | Semi-automatic rotary type finishing machining device |
| CN206425956U (en) * | 2016-12-30 | 2017-08-22 | 无锡市灵通铸造有限公司 | A kind of casting burnishing device |
| CN107953228A (en) * | 2017-12-20 | 2018-04-24 | 山东大学 | A kind of plastic products periphery and transverse plane polishing machine and method of work |
| CN207372932U (en) * | 2017-11-03 | 2018-05-18 | 广东纳德新材料有限公司 | Polishing machine |
| CN208276630U (en) * | 2018-03-22 | 2018-12-25 | 无锡市迈科密精密机械有限公司 | A kind of novel hydraulic surface grinding machine |
| CN208584345U (en) * | 2018-06-08 | 2019-03-08 | 潘锦彬 | One kind being used for industrial polishing machine |
| CN111230675A (en) * | 2020-03-04 | 2020-06-05 | 华材科技试验场(洛阳)有限公司 | Longitudinal polishing machine for polishing rod type standard sample |
-
2020
- 2020-09-16 CN CN202010970700.9A patent/CN112157558A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1119174A (en) * | 1964-10-16 | 1968-07-10 | Wmf Wuerttemberg Metallwaren | Improvements in machines for brushing or polishing |
| CN202922376U (en) * | 2012-11-20 | 2013-05-08 | 温岭市太平高级职业中学 | Semi-automatic rotary type finishing machining device |
| CN206425956U (en) * | 2016-12-30 | 2017-08-22 | 无锡市灵通铸造有限公司 | A kind of casting burnishing device |
| CN207372932U (en) * | 2017-11-03 | 2018-05-18 | 广东纳德新材料有限公司 | Polishing machine |
| CN107953228A (en) * | 2017-12-20 | 2018-04-24 | 山东大学 | A kind of plastic products periphery and transverse plane polishing machine and method of work |
| CN208276630U (en) * | 2018-03-22 | 2018-12-25 | 无锡市迈科密精密机械有限公司 | A kind of novel hydraulic surface grinding machine |
| CN208584345U (en) * | 2018-06-08 | 2019-03-08 | 潘锦彬 | One kind being used for industrial polishing machine |
| CN111230675A (en) * | 2020-03-04 | 2020-06-05 | 华材科技试验场(洛阳)有限公司 | Longitudinal polishing machine for polishing rod type standard sample |
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Application publication date: 20210101 |