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CN-122013178-A - Composite processing and forming device for surface strengthening coating of hydraulic cylinder

CN122013178ACN 122013178 ACN122013178 ACN 122013178ACN-122013178-A

Abstract

The invention relates to the technical field of composite processing and forming devices, in particular to a composite processing and forming device for a surface strengthening coating of a hydraulic cylinder, which comprises a base, a micro-groove processing assembly and a sliding chute, wherein the base is connected with a workpiece placing table in a sliding manner, the micro-groove processing assembly is arranged above a workpiece and comprises a buckle cover, the buckle cover is positioned right above the workpiece and forms a semi-package for the workpiece, the sliding chute is formed in the buckle cover, an installation seat is connected in the sliding manner, a first laser head is installed in the installation seat, a micro-groove processing step is added on the basis, a micro-groove structure is pre-processed on the surface of the workpiece by using the first laser head, spraying powder is filled into the micro-groove to form primary anchoring, the mechanical locking of ceramic spraying and the workpiece is facilitated, the bonding strength of the coating and the workpiece is improved, and the risk of large-area spalling of the coating is reduced.

Inventors

  • WANG CHANGLEI
  • CHEN CHEN
  • JIANG YIJUN

Assignees

  • 常州力安液压设备有限公司

Dates

Publication Date
20260512
Application Date
20260403

Claims (10)

  1. 1. The utility model provides a hydraulic cylinder surface strengthening coating composite processing forming device which characterized in that includes: the device comprises a base (1), wherein a workpiece placing table (2) is connected to the base (1) in a sliding manner; The micro-groove machining assembly (3) is arranged above the workpiece, the micro-groove machining assembly (3) comprises a buckle cover (31), the buckle cover (31) is positioned right above the workpiece and forms a semi-package for the workpiece, a sliding groove (32) is formed in the buckle cover (31), an installation seat (33) is connected in the sliding groove (32) in a sliding manner, a first laser head (34) is arranged in the installation seat (33), and a reciprocating assembly (35) for driving the installation seat (33) and the first laser head (34) to reciprocate along the axial direction of the workpiece is arranged on the surface of the buckle cover (31); The connecting shell (4), the bottom end of the connecting shell (4) is fixedly connected with the base (1), the connecting shell (4) is of a U-shaped structure, and the side part of the connecting shell is fixedly connected with the buckle cover (31); The laser cladding component (5) is arranged on the connecting shell (4) and is used for carrying out laser cladding treatment on the surface of the workpiece; The driving mechanism (6) is arranged in the connecting shell (4) and is used for driving the workpiece placing table (2) to move along the axial direction of the workpiece; the workpiece clamping assembly (7) is arranged on the upper surface of the workpiece placing table (2) and is used for fixing and driving the workpiece to rotate; And a ceramic spraying joint (8) arranged at one end of the buckle cover (31) far away from the connecting shell (4).
  2. 2. The hydraulic ram surface strengthening coating composite tooling forming device of claim 1, wherein the laser cladding assembly (5) comprises: a supporting arm (51) fixed on the top of the connecting shell (4); an adjusting arm (53) rotatably connected to the extending end of the supporting arm (51) through a pin shaft (52); a second laser head (54) fixed at the other end of the adjusting arm (53); and the clamping plate (55) is fixed at the top end of the pin shaft (52), and the clamping plate (55) is selectively connected with a plurality of threaded holes on the supporting arm (51) through bolts.
  3. 3. The hydraulic ram surface strengthening coating composite tooling forming apparatus of claim 2, wherein the shuttle assembly (35) comprises: a motor support (351) fixed on the buckle cover (31); a rotating shaft (352) rotatably connected to the inside of the motor support frame (351); A cam (353) fixed at the bottom end of the rotating shaft (352), wherein the outer edge of the cam (353) is propped against the mounting seat (33); A drive motor (354) disposed at the top end of the rotating shaft (352); And the guide reset mechanism comprises two guide rods (355) symmetrically sleeved in the mounting seat (33), one end of each guide rod (355) is fixedly provided with a stop block (356), the other end of each guide rod is fixedly provided with a baffle plate (357), the bottom ends of the baffle plates (357) are fixedly connected with the buckle cover (31), springs (358) are sleeved on the guide rods (355), and the springs (358) are located between the baffle plates (357) and the mounting seat (33) and respectively offset with the baffle plates.
  4. 4. A hydraulic ram surface strengthening coating composite forming device according to claim 3, wherein the drive mechanism (6) comprises: A drive shaft (61) rotatably connected to the inside of the engagement housing (4); a motor (62) connected to the top end of the drive shaft (61); a gear (63) fixed at the bottom end of the driving shaft (61); And the rack (64) is meshed with the gear (63), and the side wall of the rack (64) is fixedly connected with the workpiece placing table (2).
  5. 5. The hydraulic cylinder surface strengthening coating composite processing and forming device according to claim 4 is characterized in that a strip-shaped groove (11) is formed in the base (1), a strip-shaped plate (21) is fixed at the bottom end of the workpiece placing table (2), the strip-shaped plate (21) is embedded into the strip-shaped groove (11), and two sliding rods (22) fixedly connected with the base (1) are inserted into the strip-shaped plate (21).
  6. 6. The hydraulic cylinder surface strengthening coating composite machining forming device according to claim 5, wherein the workpiece clamping assembly (7) comprises a U-shaped frame (71) fixed on the upper surface of the workpiece placing table (2), one end of the U-shaped frame (71) is provided with a locking driving piece (72), and the other end of the U-shaped frame (71) is provided with a rotating auxiliary piece (73).
  7. 7. The hydraulic ram surface strengthening coating composite tooling forming device of claim 6, wherein the locking drive (72) comprises: A drive shaft (721) rotatably connected transversely to the U-shaped frame (71); a rotating motor (722) connected to one end of the drive shaft (721); a first clamping seat (723) fixed at the other end of the driving rotating shaft (721), wherein a positioning groove (724) matched with the shape of the end part of the workpiece is formed in the first clamping seat (723); and a locking bolt (725) penetrating through the first clamping seat (723).
  8. 8. The hydraulic ram surface strengthening coating composite tooling forming device of claim 7, wherein the rotation aid (73) comprises: a threaded rod (731) in threaded connection with the other end of the U-shaped frame (71); a hand wheel (732) fixed to one end of the threaded rod (731); A fixing plate (733) rotatably connected to the other end of the threaded rod (731) through a bearing; The second clamping seat (734) is rotatably connected in the fixing plate (733), and a clamping groove (735) matched with the end shape of the workpiece is formed in the second clamping seat (734).
  9. 9. The hydraulic cylinder surface strengthening coating composite processing and forming device according to claim 8, wherein the first laser head (34) is a pulse laser, and the output parameters of the pulse laser are adjustable, so that micro-groove structures with different depths and widths can be processed on the surface of a workpiece.
  10. 10. The hydraulic cylinder surface strengthening coating composite tooling forming device of claim 9, wherein the micro-groove structure comprises one or more combinations of spiral grooves, annular grooves, grid-like grooves, or lattice pits.

Description

Composite processing and forming device for surface strengthening coating of hydraulic cylinder Technical Field The invention relates to the technical field of composite processing and forming devices, in particular to a composite processing and forming device for a surface strengthening coating of a hydraulic cylinder. Background The large hydraulic equipment is widely applied to the key fields of marine equipment, metallurgical continuous casting dummy ingot internal guide type hydraulic lifting systems, hydraulic engineering large gate opening and closing machines, mechanical precision forming and the like, and when the hydraulic equipment is in service under severe working conditions (such as high load, corrosive media, dust flushing and the like), the surface is extremely easy to crack, rust, coating peeling and other damage phenomena, and the running stability and the service life of the equipment are seriously influenced. Meanwhile, pores are easily formed in the coating in the spraying process, the porosity is higher, the compactness of the coating is reduced, hydraulic oil penetration is possibly caused, and the problems of foaming, failure and the like of the coating are caused. Disclosure of Invention The invention aims to provide a hydraulic cylinder surface strengthening coating composite processing and forming device which improves the bonding strength between a coating and the surface of a hydraulic cylinder. The invention provides a hydraulic cylinder surface strengthening coating composite processing and forming device which comprises a base, a micro-groove processing assembly, a connecting shell, a laser cladding assembly, a driving mechanism, a workpiece clamping assembly and a ceramic spraying joint, wherein a workpiece placing table is connected to the base in a sliding manner; The micro-groove processing assembly is arranged above the workpiece and comprises a buckle cover, the buckle cover is positioned right above the workpiece and forms a half package on the workpiece, a chute is formed in the buckle cover, an installation seat is connected in the chute in a sliding manner, a first laser head is installed in the installation seat, and a reciprocating assembly for driving the installation seat and the first laser head to axially reciprocate is arranged on the surface of the buckle cover; the bottom of linking shell with base fixed connection, linking shell is U type structure, its lateral part with buckle closure fixed connection, laser cladding subassembly set up in on the linking shell for carry out laser cladding processing to the work piece surface, driving mechanism set up in the linking shell, be used for the drive the work piece is put thing platform and is followed work piece axial displacement, work piece clamping subassembly set up in the upper surface of work piece and is put thing platform for fixed and drive work piece is rotatory, ceramic spraying connect set up in the buckle closure is kept away from link up shell one end. Preferably, the laser cladding assembly comprises a supporting arm fixed at the top of the connecting shell, an adjusting arm rotatably connected to the extending end of the supporting arm through a pin shaft, a second laser head fixed at the other end of the adjusting arm, and a clamping plate fixed at the top end of the pin shaft, wherein the clamping plate is selectively connected with a plurality of threaded holes in the supporting arm through bolts. Preferably, the reciprocating assembly comprises a motor support frame fixed on the buckle cover, a rotating shaft rotatably connected to the inside of the motor support frame, a cam fixed at the bottom end of the rotating shaft, a driving motor arranged at the top end of the rotating shaft, and a driving motor, wherein the outer edge of the cam is propped against the mounting seat; And the guide reset mechanism comprises two guide rods symmetrically sleeved in the mounting seat, one end of each guide rod is fixedly provided with a stop block, the other end of each guide rod is fixedly provided with a baffle, the bottom end of each baffle is fixedly connected with the buckle cover, the guide rods are sleeved with springs, and the springs are positioned between the baffle and the mounting seat and respectively offset with the baffle and the mounting seat. Preferably, the driving mechanism comprises a driving shaft rotatably connected to the inside of the connecting shell, a motor connected with the top end of the driving shaft, a gear fixed at the bottom end of the driving shaft, and a rack meshed with the gear, wherein the side wall of the rack is fixedly connected with the workpiece placing table. Preferably, the base is provided with a strip-shaped groove, the bottom end of the workpiece storage table is fixed with a strip-shaped plate, the strip-shaped plate is embedded into the strip-shaped groove, and two sliding rods fixedly connected with the base are inserted into the strip-shaped plate. Pref