CN111745523B - Surface polishing device for spherical lampshade - Google Patents

Surface polishing device for spherical lampshade Download PDF

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Publication number
CN111745523B
CN111745523B CN202010452438.9A CN202010452438A CN111745523B CN 111745523 B CN111745523 B CN 111745523B CN 202010452438 A CN202010452438 A CN 202010452438A CN 111745523 B CN111745523 B CN 111745523B
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CN
China
Prior art keywords
elastic rod
clamping
adjusting
lampshade
polishing
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Active
Application number
CN202010452438.9A
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Chinese (zh)
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CN111745523A (en
Inventor
孙素珍
曹代权
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Sichuan Jiacan City Furniture Technology Co ltd
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Sichuan Jiacan City Furniture Technology Co ltd
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Application filed by Sichuan Jiacan City Furniture Technology Co ltd filed Critical Sichuan Jiacan City Furniture Technology Co ltd
Priority to CN202010452438.9A priority Critical patent/CN111745523B/en
Publication of CN111745523A publication Critical patent/CN111745523A/en
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Publication of CN111745523B publication Critical patent/CN111745523B/en
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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
    • B24B29/02—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 designed for particular workpieces
    • 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
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • 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
    • 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
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)

Abstract

A surface polishing device for a spherical lampshade comprises a base station; the polishing mechanism is arranged on the base station and comprises an elastic rod, one end of the elastic rod is provided with a matching groove, the other end of the elastic rod is inserted into the matching groove, a polishing brush is arranged in the elastic rod, a plurality of pairs of adjusting plates are symmetrically sleeved outside the elastic rod, the outside of each adjusting plate is connected with an air cylinder, the other end of each air cylinder is fixed on the inner side of the circular frame, the air cylinders are used for adjusting the distance of the other end of the elastic rod inserted into the matching groove, and the elastic rod is always in a circular ring shape when the distance of the other end of the elastic rod inserted into the matching groove is changed; the clamping mechanism is used for clamping the inner wall of the lampshade; the rotating mechanism is used for driving the clamping mechanism to rotate along the central axis of the elastic rod; and the driving mechanism is used for driving the rotating mechanism to reciprocate along the central axis of the elastic rod. According to the invention, the clamping mechanism is used for clamping the lampshade and moving the lampshade to the polishing mechanism, the elastic rod is attached to the outer wall of the lampshade by adjusting the radius of the elastic rod, and the polishing brush is used for polishing the lampshade, so that the polishing effect and the polishing efficiency are improved.

Description

Surface polishing device for spherical lampshade
Technical Field
The invention relates to the field of lamp processing equipment, in particular to a spherical lampshade surface polishing device.
Background
Before the lamp is assembled, the surface of the lampshade needs to be polished so as to improve the surface smoothness of the lampshade, prevent dust from being accumulated and improve the attractiveness. Because spherical lamp shade structure particularity, current polishing method is mostly artifical polishing, and handheld polishing equipment handles the lamp shade surface, because the polishing dynamics is inhomogeneous for lamp shade surface gloss is poor, and polishes efficiently, can not satisfy the industrial production needs.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a spherical lampshade surface polishing device, which is characterized in that a clamping mechanism is used for clamping a lampshade and moving the lampshade to a polishing mechanism, the elastic rod is attached to the outer wall of the lampshade by adjusting the radius of the elastic rod, and a polishing brush is used for polishing the rotating lampshade, so that the polishing effect and the polishing efficiency are improved.
In order to achieve the above object, the present invention employs the following techniques:
a surface polishing device for a spherical lampshade comprises:
a base station;
the polishing mechanism is arranged on the base station and comprises an elastic rod, one end of the elastic rod is provided with a matching groove, the other end of the elastic rod is inserted into the matching groove, a polishing brush is arranged in the elastic rod, a plurality of pairs of adjusting plates are symmetrically sleeved outside the elastic rod, the outside of each adjusting plate is connected with an air cylinder, the other end of each air cylinder is fixed on the inner side of the circular frame, the air cylinders are used for adjusting the distance of the other end of the elastic rod inserted into the matching groove, and the elastic rod is always in a circular ring shape when the distance of the other end of the elastic rod inserted into the matching groove is changed;
the clamping mechanism is used for clamping the inner wall of the lampshade;
the rotating mechanism is used for driving the clamping mechanism to rotate along the central axis of the elastic rod;
and the driving mechanism is used for driving the rotating mechanism to reciprocate along the central axis of the elastic rod.
Furthermore, the cooperation groove outside is equipped with the limiting plate, and the limiting plate is used for restricting the elastic rod other end and is located the cooperation inslot.
Furthermore, the adjusting plate is arc-shaped, and two sides of the adjusting plate are provided with baffle plates.
Furthermore, the clamping mechanism comprises a circular clamping frame, a plurality of pairs of symmetrically arranged clamping ejector rods penetrate through the clamping frame along the radial direction, and an adjusting piece used for adjusting the clamping ejector rods to move along the radial direction of the clamping frame is arranged at the center of the clamping frame.
Furthermore, one end of the clamping ejector rod is provided with an anti-slip block, the anti-slip block is located on the outer side of the clamping frame, the other end of the clamping ejector rod is provided with a limiting block, a spring is sleeved on the clamping ejector rod, and the spring is located between the limiting block and the clamping frame.
Further, the regulating part includes the center pin, and the center pin circumference is equipped with a plurality of arc that match with the centre gripping ejector pin.
Furthermore, a T-shaped groove is formed in the base station, the plane of the elastic rod is parallel to the plane of the clamping frame, and the straight line of the T-shaped groove is perpendicular to the plane of the elastic rod.
Further, rotary mechanism includes the pivot, and the outside cover of pivot is equipped with the regulating spindle of tube-shape, pivot and center pin fixed connection, regulating spindle and holding frame fixed connection, pivot other end fixed connection has the rotating electrical machines.
Furthermore, the rotating shaft is in threaded connection with a pair of nuts, and one nut is fixedly connected with the other end of the adjusting shaft.
Further, actuating mechanism is including sliding the ratch of locating the T-slot, and the ratch cooperation has the gear, and gear connection has driving motor, is equipped with the support frame on the ratch, and on the support frame was worn to locate by the regulating spindle, the regulating spindle can be followed regulating spindle axis horizontal migration and rotated.
The invention has the beneficial effects that:
1. during polishing, the clamping mechanism is used for clamping the lampshade and moving the lampshade to the polishing mechanism, the elastic rod is attached to the outer wall of the lampshade by adjusting the radius of the elastic rod, and the rotating lampshade is polished by the polishing brush, so that the polishing effect and the polishing efficiency are improved.
2. During clamping, the arc-shaped plate and the clamping ejector rod move relatively through the central shaft, the clamping ejector rod clamps the lampshade, then the clamping mechanism is driven to rotate through the rotating mechanism, the lampshade is moved to the polishing mechanism through the driving mechanism, and the polishing precision is improved through automatic control in the whole process.
3. When the elastic rod is adjusted, the adjusting plates which are symmetrically arranged apply acting force to the elastic rod, so that the elastic rod is guaranteed to be evenly stressed, and the elastic rod can be prevented from offsetting in a vertical plane through the baffle plate to influence the polishing effect.
4. The position of centre gripping ejector pin is adjusted to accessible rotation regulation axle when the pivot is fixed, and convenient operation inserts the position of pivot through adjusting the nut of being connected with the regulating spindle, can be applied to the lamp shade polishing of different diameters, and equipment range of application is wide, and when the pivot was rotatory, two nut rigidity, centre gripping ejector pin rigidity promptly can prevent lamp shade polishing in-process centre gripping unstability, influence polishing effect.
5. The gear rod is adjusted to move through the driving motor, so that the lampshade slowly enters the polishing mechanism, the adjusting shaft can horizontally move and rotate along the central axis of the adjusting shaft, the adjusting shaft is convenient to adjust under the closing state of the rotating motor, and the safety performance is high.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of a partial structure a in fig. 1.
FIG. 3 is a schematic view of the structure of the elastic rod of the present invention.
Fig. 4 is a schematic view of a portion C of fig. 3.
FIG. 5 is a schematic view of a clamping mechanism according to the present invention.
Fig. 6 is a schematic view of a portion B of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 5, a spherical lampshade surface polishing device comprises a base table 1, a polishing mechanism 2 disposed on the base table 1, a holding mechanism 3 for holding the inner wall of the lampshade, a rotating mechanism 4 for driving the holding mechanism 3 to rotate along the central axis of an elastic rod 201, and a driving mechanism 5 for driving the rotating mechanism 4 to reciprocate along the central axis of the elastic rod 201.
Polishing mechanism 2, locate on the base station 1, including elastic rod 201, cooperation groove 202 has been seted up to elastic rod 201 one end, the elastic rod 201 other end is inserted and is located cooperation groove 202, be equipped with polish brush 203 in the elastic rod 201, the outside symmetry cover of elastic rod 201 is equipped with many pairs of regulating plate 204, regulating plate 204 external connection has cylinder 205, the cylinder 205 other end is fixed in circular frame 206 inboardly, cylinder 205 is used for adjusting the distance that the elastic rod 201 other end inserted cooperation groove 202, elastic rod 201 is ring shape all the time when the distance that the elastic rod 201 other end inserted cooperation groove 202 changes, the cooperation groove 202 outside is equipped with limiting plate 207, limiting plate 207 is used for restricting the elastic rod 201 other end and is located cooperation groove 202, regulating plate 204 is the arc, and regulating plate 204 both sides are equipped with baffle 208.
The clamping mechanism 3 comprises a circular clamping frame 301, the clamping frame 301 is provided with a plurality of clamping push rods 302 which are symmetrically arranged along the radial direction, the center of the clamping frame 301 is provided with an adjusting piece 303 used for adjusting the clamping push rods 302 to move along the radial direction of the clamping frame 301, one end of each clamping push rod 302 is provided with an anti-slip block 304, the anti-slip block 304 is positioned on the outer side of the clamping frame 301, the other end of each clamping push rod 302 is provided with a limiting block 305, the clamping push rod 302 is sleeved with a spring 306, the spring 306 is positioned between the limiting block 305 and the clamping frame 301, the adjusting piece 303 comprises a central shaft 307, and the central shaft 307 is circumferentially provided with a plurality of arc-shaped plates 308 matched with the clamping push rods 302.
When the lampshade is polished, the clamping mechanism 3 is used for tightly pushing the lampshade from the inner part of the lampshade, the operation is that firstly the antiskid blocks 304 are arranged at the part of the lampshade to be clamped, the arc-shaped plate 308 and the clamping ejector rods 302 move relatively through the central shaft 307, at the moment, the clamping ejector rods 302 move outwards along the radial direction of the clamping frame 301 to clamp the lampshade, then the clamping mechanism 3 is driven by the rotating mechanism 4 to rotate along the central axis of the elastic rod 201, the rotating mechanism 4 is driven by the driving mechanism 5 to move along the central axis of the elastic rod 201, the lampshade is moved to the polishing mechanism 2, when the lampshade is polished, the distance of inserting the other end of the elastic rod 201 into the matching groove 202 is adjusted by the stretching of the air cylinder 205, the elastic rod 201 is in a ring shape which is jointed with the outer wall of the lampshade, the polishing operation is carried out by the polishing brush 203, when the elastic rod 201 is adjusted, the symmetrically arranged adjusting plates 204 apply acting force to the elastic rod 201 at the same time, the stress of the elastic rod 201 is ensured to be uniform, and the baffle plates 208 arranged on the two sides of the adjusting plate 204 can prevent the elastic rod 201 from deviating in a vertical plane to influence the polishing effect.
Further, as shown in fig. 6, the rotating mechanism 4 includes a rotating shaft 401, a cylindrical adjusting shaft 402 is sleeved outside the rotating shaft 401, the rotating shaft 401 is fixedly connected to a central shaft 307, the adjusting shaft 402 is fixedly connected to the holding frame 301, the other end of the rotating shaft 401 is fixedly connected to a rotating motor 403, a pair of nuts 404 is screwed on the rotating shaft 401, and one nut 404 is fixedly connected to the other end of the adjusting shaft 402.
Pivot 401 and center pin 307 fixed connection, regulating spindle 402 and holding frame 301 fixed connection, accessible rotation regulating spindle 402 adjusts the position of centre gripping ejector pin 302 when pivot 401 is fixed, high durability and convenient operation, insert the position of pivot 401 through adjusting the nut 404 of being connected with regulating spindle 402, can finely tune the flexible volume of centre gripping ejector pin 302, when centre gripping ejector pin 302 position is fixed, will adjust another nut 404, make two nuts 404 closely laminate, when pivot 401 is rotatory, two nut 404 position fixes, namely centre gripping ejector pin 302 position is fixed, can prevent lamp shade polishing in-process centre gripping unstability, influence polishing effect, and can be applied to the lamp shade polishing of different diameters through regulating nut 404 position, enlarge equipment range of application.
Further, the driving mechanism 5 includes a rack bar 501 slidably disposed in the T-shaped groove 101 formed in the base 1, the rack bar 501 is matched with a gear 502, the gear 502 is connected with a driving motor 503, a support frame 504 is disposed on the rack bar 501, the adjusting shaft 402 is disposed on the support frame 504 in a penetrating manner, and the adjusting shaft 402 can horizontally move and rotate along a central axis of the adjusting shaft 402.
The rotating speed and the rotating angle of the gear 502 can be controlled by the driving motor 503, and then the rack bar 501 is adjusted to move, so that the lampshade slowly enters the polishing mechanism, and the adjusting shaft 402 can horizontally move and rotate along the central axis of the adjusting shaft 402, so that the adjusting shaft 402 can be adjusted conveniently in the off state of the rotating motor 403, and the safety performance is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a spherical lamp shade surface finish device which characterized in that includes:
a base (1);
polishing mechanism (2), locate base station (1), including elastic rod (201), cooperation groove (202) has been seted up to elastic rod (201) one end, the elastic rod (201) other end is inserted and is located cooperation groove (202), be equipped with polish brush (203) in elastic rod (201), elastic rod (201) outside symmetry cover is equipped with a plurality of pairs of adjusting plate (204), adjusting plate (204) external connection has cylinder (205), the cylinder (205) other end is fixed in circular frame (206) inboard, cylinder (205) are used for adjusting the distance that the elastic rod (201) other end inserted cooperation groove (202), elastic rod (201) are the ring shape all the time when the distance that the elastic rod (201) other end inserted cooperation groove (202) changes, cooperation groove (202) outside is equipped with limiting plate (207), limiting plate (207) are used for restricting the elastic rod (201) other end and are located cooperation groove (202), adjusting plate (204) are the arc, and two sides of the adjusting plate (204) are provided with baffles (208);
the clamping mechanism (3) is used for clamping the inner wall of a lampshade and comprises a circular clamping frame (301), a plurality of pairs of symmetrically arranged clamping ejector rods (302) penetrate through the clamping frame (301) along the radial direction, an adjusting piece (303) used for adjusting the clamping ejector rods (302) to move along the radial direction of the clamping frame (301) is arranged at the center of the clamping frame (301), an anti-slip block (304) is arranged at one end of each clamping ejector rod (302), the anti-slip block (304) is located on the outer side of the clamping frame (301), a limiting block (305) is arranged at the other end of each clamping ejector rod (302), a spring (306) is sleeved on each clamping ejector rod (302), the spring (306) is located between the limiting block (305) and the clamping frame (301), the adjusting piece (303) comprises a central shaft (307), and a plurality of arc-shaped plates (308) matched with the clamping ejector rods (302) are circumferentially arranged on the central shaft (307);
the rotating mechanism (4) is used for driving the clamping mechanism (3) to rotate along the central axis of the elastic rod (201);
and the driving mechanism (5) is used for driving the rotating mechanism (4) to reciprocate along the central axis of the elastic rod (201).
2. The spherical lampshade surface polishing device according to claim 1, characterized in that: the base station (1) is provided with a T-shaped groove (101), the plane of the elastic rod (201) is parallel to the plane of the clamping frame (301), and the straight line of the T-shaped groove (101) is perpendicular to the plane of the elastic rod (201).
3. The spherical lampshade surface polishing device according to claim 1, characterized in that: the rotating mechanism (4) comprises a rotating shaft (401), a cylindrical adjusting shaft (402) is sleeved outside the rotating shaft (401), the rotating shaft (401) is fixedly connected with a central shaft (307), the adjusting shaft (402) is fixedly connected with the clamping frame (301), and the other end of the rotating shaft (401) is fixedly connected with a rotating motor (403).
4. The spherical lampshade surface polishing device according to claim 3, characterized in that: a pair of nuts (404) is connected to the rotating shaft (401) in a threaded mode, and one nut (404) is fixedly connected to the other end of the adjusting shaft (402).
5. The spherical lampshade surface polishing device according to claim 3, characterized in that: actuating mechanism (5) are including sliding rack bar (501) of locating T-slot (101), and rack bar (501) cooperation has gear (502), and gear (502) are connected with driving motor (503), are equipped with support frame (504) on rack bar (501), and on support frame (504) was worn to locate by regulating spindle (402), regulating spindle (402) can be followed regulating spindle (402) axis horizontal migration and rotated.
CN202010452438.9A 2020-05-26 2020-05-26 Surface polishing device for spherical lampshade Active CN111745523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010452438.9A CN111745523B (en) 2020-05-26 2020-05-26 Surface polishing device for spherical lampshade

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Application Number Priority Date Filing Date Title
CN202010452438.9A CN111745523B (en) 2020-05-26 2020-05-26 Surface polishing device for spherical lampshade

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CN111745523A CN111745523A (en) 2020-10-09
CN111745523B true CN111745523B (en) 2021-11-23

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115781484B (en) * 2022-12-30 2023-08-22 赛德新光电材料(盐城)有限公司 Glass surface processing equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006026747A (en) * 2004-07-12 2006-02-02 Sugino Mach Ltd Roller burnishing tool
CN205888762U (en) * 2016-07-02 2017-01-18 东莞市卓越研磨材料有限公司 High cutting polish -brush
CN208643473U (en) * 2018-06-21 2019-03-26 南京裕强复合新材料科技有限公司 A kind of round plastic chopping board cleaning plant based on centrifugal cleaning-drying
CN208811814U (en) * 2018-07-27 2019-05-03 天津市欣然发精工科技有限公司 A kind of supply equipment water-supply-pipe derusting device
CN110116419A (en) * 2019-04-23 2019-08-13 青岛科技大学 A kind of cam-type mechanical clamping device
CN209439881U (en) * 2019-01-27 2019-09-27 湖南科技学院 A kind of processing steel pipe grinding apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006026747A (en) * 2004-07-12 2006-02-02 Sugino Mach Ltd Roller burnishing tool
CN205888762U (en) * 2016-07-02 2017-01-18 东莞市卓越研磨材料有限公司 High cutting polish -brush
CN208643473U (en) * 2018-06-21 2019-03-26 南京裕强复合新材料科技有限公司 A kind of round plastic chopping board cleaning plant based on centrifugal cleaning-drying
CN208811814U (en) * 2018-07-27 2019-05-03 天津市欣然发精工科技有限公司 A kind of supply equipment water-supply-pipe derusting device
CN209439881U (en) * 2019-01-27 2019-09-27 湖南科技学院 A kind of processing steel pipe grinding apparatus
CN110116419A (en) * 2019-04-23 2019-08-13 青岛科技大学 A kind of cam-type mechanical clamping device

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