Search

CN-121989143-A - Polishing equipment for large-size workpiece

CN121989143ACN 121989143 ACN121989143 ACN 121989143ACN-121989143-A

Abstract

The invention provides polishing equipment for large-size workpieces, which comprises a base, wherein a material carrying supporting table and a three-axis positioning mechanism are respectively arranged on two sides of the base, the three-axis positioning mechanism is connected with a transverse frame, an overturning positioning part is fixedly arranged at the end part of the transverse frame, one side of the overturning positioning part is provided with a polishing part and a measuring part, a lens is arranged at the bottom of the measuring part, the measuring part is connected with a lifting mechanism, a sealing cover assembly is arranged below the lens, the sealing cover assembly is connected with a sliding part, the sliding part is connected with a reset guide mechanism arranged on the measuring part, one side of the measuring part is provided with a walking frame, the walking frame is provided with a walking surface for sliding and walking of the sliding part, the walking surface comprises an inclined plane, the sealing cover assembly is provided with a movable cover, and the movable cover is connected with a clutch part. After the cover assembly is reset, the movable cover is pressed on the lens to realize sealing, so that abrasion between the movable cover and the bottom of the lens is avoided.

Inventors

  • LI WENJUN
  • HU HAIQIANG
  • SHI WEILONG
  • WEI MINGLIANG
  • XU CHUANG

Assignees

  • 大连誉洋工业智能有限公司

Dates

Publication Date
20260508
Application Date
20260407

Claims (10)

  1. 1. The polishing equipment for the large-size workpiece comprises a base (1), wherein a material carrying supporting table (2) and a three-axis positioning mechanism are respectively arranged on two sides of the base (1), and the polishing equipment is characterized in that: The three-axis positioning mechanism is connected with a transverse frame (6), and an overturning positioning part is fixedly arranged at the end part of the transverse frame (6), one side of the overturning positioning part is provided with a polishing part and a measuring part (9), and the bottom of the measuring part (9) is provided with a lens (901); A cover assembly (16) is arranged below the lens (901); The sealing cover assembly (16) is connected with a sliding part (13), the sliding part (13) is connected with a reset guide mechanism (12) arranged on the measuring part (9), a walking frame (11) is arranged on one side of the measuring part (9), a walking surface for the sliding part (13) to slide and walk is arranged on the walking frame (11), and the walking surface comprises an inclined surface (1102); The movable cover is arranged on the sealing cover assembly (16), and is connected with a clutch part, and the clutch part is used for driving the movable cover to press the bottom port of the lens (901) or separate from the bottom port of the lens (901).
  2. 2. A polishing apparatus for large-sized workpieces as set forth in claim 1, wherein the output end of said turning and positioning portion is fixed with a frame body (701), and said polishing portion, lifting mechanism (10) and traveling frame (11) are all fixed to said frame body (701).
  3. 3. The polishing device for large-size workpieces according to claim 1, wherein the traveling surface is arranged on one side of the traveling frame (11) far away from the measuring part (9), the traveling surface further comprises a vertical surface (1101) and an arc surface (1103), the vertical surface (1101) is arranged on the top side of the inclined surface (1102), the arc surface (1103) is arranged between the vertical surface (1101) and the inclined surface (1102), and the distance between the inclined surface (1102) and the side wall of the measuring part (9) gradually increases from top to bottom.
  4. 4. The polishing apparatus for large-sized workpieces according to claim 2, wherein the sliding part (13) comprises a second connecting frame (1301), a connecting column (1304) is fixed at the top end of the second connecting frame (1301), the bottom end of the second connecting frame (1301) is connected with the cover assembly (16), a through groove (1104) is formed in the walking frame (11) along the length direction of the walking surface, the connecting column (1304) penetrates through the through groove (1104), a base body (1302) is fixed on the connecting column (1304), rollers (1303) are rotatably mounted at two ends of the base body (1302), the rollers (1303) are slidably connected along the length direction of the walking surface, and one side of the second connecting frame (1301) is connected with the reset guide mechanism (12).
  5. 5. A polishing apparatus for large-sized workpieces as set forth in claim 4, wherein said return guide mechanism (12) comprises a fixed seat (1201) fixed on the side wall of the measuring portion (9), a guide post (1202) is fixed on one side of said fixed seat (1201), an end plate (1203) is fixed on one end of said guide post (1202) far away from said fixed seat (1201), a guide sleeve (1205) is slidably mounted on said guide post (1202), said guide sleeve (1205) is elastically connected with said end plate (1203) through a first spring (1204), said guide sleeve (1205) is fixed with a first connecting frame (1206), and said first connecting frame (1206) is fixed with a second connecting frame (1301).
  6. 6. The polishing apparatus for large-sized workpieces according to claim 4, wherein the cover assembly (16) comprises a bottom plate (1601) fixed at the bottom end of the second connecting frame (1301), the movable cover is arranged above the bottom plate (1601) and is composed of a cover body (1602) and a sealing gasket (1603) fixed on the top surface of the cover body (1602), the clutch part comprises a sliding column (1605) fixed at the bottom of the cover body (1602), the sliding column (1605) is in sliding sleeve connection with a hole body arranged on the bottom plate (1601), the sliding column (1605) penetrates through the hole body, an end seat (1606) is fixed at the bottom end of the sliding column (1605), a third connecting frame (1604) is fixed at one side of the cover body (1602), a sucked block (19) is fixed at the top end of the third connecting frame (1604), a magnetic block (18) is arranged above the sucked block (19), and the magnetic block (18) is fixed with the walking frame (11).
  7. 7. A polishing apparatus for large-sized workpieces as set forth in claim 5, wherein a top block (14) is fixed to the top of the guide sleeve (1205), a locking mechanism (15) is mounted on the measuring portion (9), and a lock hole (1401) for inserting the locking mechanism (15) is formed in the top of the top block (14).
  8. 8. A polishing apparatus for large-sized workpieces as set forth in claim 7, wherein said locking mechanism (15) comprises a driving part, said driving part comprises a first cylinder (1501) fixed on the outer wall of the measuring part (9), a first piston (1506) is fitted in said first cylinder (1501), a compression column (1504) is fixed on the top of said first piston (1506), and said compression column (1504) is slidably sleeved with the top of said first cylinder (1501), and the top of said compression column (1504) extends out of the top of said first cylinder (1501).
  9. 9. The polishing apparatus for large-sized workpieces according to claim 8, wherein the locking mechanism (15) further comprises an executing portion, the executing portion comprises a second cylinder (1503) fixed on the outer wall of the measuring portion (9), a second piston (1507) is connected in the second cylinder (1503) in a matched mode, a locking column (1505) is fixed at the bottom of the second piston (1507), the locking column (1505) is in sliding sleeve connection with the bottom end of the second cylinder (1503), the bottom end of the locking column (1505) extends out of the bottom end of the second cylinder (1503), the second piston (1507) is elastically connected with the second cylinder (1503) through a second spring (1508), and the bottom end of the first cylinder (1501) is communicated with the top end of the second cylinder (1503) through a connecting pipe (1502).
  10. 10. A polishing apparatus for large-sized workpieces as set forth in claim 8, wherein a pressing seat (17) is provided above said pressing column (1504), and said pressing seat (17) is fixed to the frame body (701).

Description

Polishing equipment for large-size workpiece Technical Field The invention relates to the technical field of workpiece polishing, in particular to polishing equipment for large-size workpieces. Background In the processing process of large-size workpieces (such as large-scale cast parts, heavy machinery structural parts and the like), the polishing procedure is a key link for guaranteeing the surface precision and the assembly performance of the workpieces, and the accurate measurement before polishing is a precondition for realizing error compensation and improving polishing quality. At present, polishing equipment with a measuring mechanism is in the industry, the measuring mechanism and the polishing mechanism are generally integrated, and the measuring mechanism and the polishing mechanism are driven to synchronously move through a positioning mechanism, so that 'measuring-polishing' integrated operation is realized. However, the existing polishing equipment with the measuring mechanism has the following problems in practical application, the measuring mechanism (such as a 3D camera) lacks dust protection in a non-shooting state, a large amount of dust is generated in the polishing process, if the lens lacks effective dust protection, the dust easily enters the lens or adheres to the surface of the lens to reduce the measurement precision, and part of equipment is provided with a lens sealing cover, but when the sealing cover is opened and closed, relative sliding friction is generated between a sealing element and the lens, after the sealing element is frequently opened and closed for a long time, the sealing element is easily worn, the sealing effect is lost, the surface of the lens is possibly scratched, the service lives of the lens and the sealing element are further shortened, and the maintenance cost of the equipment is increased. Accordingly, a polishing apparatus for large-sized workpieces is provided against the above-described problems. Disclosure of Invention The invention provides polishing equipment for large-size workpieces, which aims to solve the technical problem that friction is easily generated between a lens cover and a lens in the opening and closing process. The invention solves the technical problems by the following technical proposal: The invention provides polishing equipment for large-size workpieces, which comprises a base, wherein a material carrying supporting table and a three-axis positioning mechanism are respectively arranged on two sides of the base, the three-axis positioning mechanism is connected with a transverse frame, an overturning positioning part is fixedly arranged at the end part of the transverse frame, one side of the overturning positioning part is provided with a polishing part and a measuring part, a lens is arranged at the bottom of the measuring part, the measuring part is connected with a lifting mechanism, a sealing cover assembly is arranged below the lens, the sealing cover assembly is connected with a sliding part, the sliding part is connected with a reset guide mechanism arranged on the measuring part, one side of the measuring part is provided with a walking frame, a walking surface for the sliding part to slide is arranged on the walking frame, the walking surface comprises an inclined plane, the sealing cover assembly is provided with a movable cover, the movable cover is connected with a clutch part, and the clutch part is used for driving the movable cover to press a bottom port of the lens or separate from the bottom port of the lens. Preferably, the output end of the overturning position-adjusting part is fixed with a frame body, and the polishing part, the lifting mechanism and the walking frame are all fixed on the frame body. The walking surface is arranged on one side of the walking frame far away from the measuring part, the walking surface further comprises a vertical surface and an arc surface, the vertical surface is arranged on the top side of the inclined surface, an arc surface is arranged between the vertical surface and the inclined surface, and the distance between the inclined surface and the side wall of the measuring part gradually increases from top to bottom. Preferably, the sliding part comprises a second connecting frame, a connecting column is fixed at the top end of the second connecting frame, the bottom end of the second connecting frame is connected with the sealing cover assembly, the walking frame is provided with a through groove along the length direction of the walking surface, the connecting column penetrates through the through groove, the connecting column is fixed with a seat body, rollers are rotatably arranged at two ends of the seat body, the rollers are slidably connected along the length direction of the walking surface, and one side of the second connecting frame is connected with the reset guide mechanism. The reset guide mechanism comprises a fixed seat fixed on the side wall of the measuring p