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CN-121989076-A - Vacuum adsorption type positioning tool and method for milling automobile brake valve plate

CN121989076ACN 121989076 ACN121989076 ACN 121989076ACN-121989076-A

Abstract

The invention discloses a vacuum adsorption type positioning tool and a method for milling an automobile brake valve plate, the vacuum adsorption type positioning tool comprises a rotating plate, a lifting plate is arranged on the rotating plate, an adsorption shell is arranged on the lifting plate, a plurality of groups of vacuum adsorption heads are arranged on the adsorption shell, a plurality of groups of support arms are further arranged on the adsorption shell, the plurality of groups of support arms are matched with the plurality of groups of vacuum adsorption heads in position, the vacuum adsorption heads are arranged on the support arms, an adjusting and connecting assembly is arranged on the support arms, the adsorption shell is provided with a columnar connecting part, and the adjusting and connecting assembly is connected with the columnar connecting part.

Inventors

  • LIU YONGSHENG
  • XUE DONG

Assignees

  • 布朗科汽车制动系统（镇江）有限公司

Dates

Publication Date
20260508
Application Date
20260331

Claims (10)

  1. 1. The vacuum adsorption type positioning tool for milling the automobile brake valve plate is characterized by comprising a rotating plate (50), wherein a lifting plate (30) is arranged on the rotating plate (50); Lifting plate (30) are provided with and adsorb casing (20), be provided with multiunit vacuum adsorption head (10) on adsorbing casing (20), still be provided with multiunit support arm (80) on adsorbing casing (20), multiunit support arm (80) and multiunit vacuum adsorption head (10) position match, vacuum adsorption head (10) set up on support arm (80), be provided with on support arm (80) and adjust coupling assembling (90), adsorbing casing (20) are provided with column connecting portion (25), adjust coupling assembling (90) and column connecting portion (25) and be connected for support arm (80) drive vacuum adsorption head (10) with the rotatory adjustment position in axle center of column connecting portion (25) for dodge the processing hole on the brake valve plate.
  2. 2. The vacuum adsorption type positioning tool for milling of the automobile brake valve plate according to claim 1, wherein a connecting pipe (22) is arranged on the adsorption shell (20), and the connecting pipe (22) extends into the adsorption shell (20); The vacuum adsorption head (10) is provided with an elastic mounting pipe (21), the elastic mounting pipe (21) stretches into the adsorption shell (20), and a plurality of groups of elastic mounting pipes (21) are communicated with the inner cavity of the connecting pipe (22).
  3. 3. The vacuum adsorption type positioning tool for milling of the automobile brake valve plate according to claim 1, wherein the lifting cylinder (40) is arranged on the rotating plate (50), and the lifting plate (30) is arranged on a piston rod of the lifting cylinder (40); The bottom end of the rotating plate (50) is provided with a rotating cylinder (60), and the rotating plate (50) is arranged on a piston rod of the rotating cylinder (60); the bottom of the rotary cylinder (60) is provided with a mounting frame (70), and the mounting frame (70) is connected with the rotary cylinder (60) through bolts.
  4. 4. The vacuum adsorption type positioning tool for milling of the automobile brake valve plate according to claim 1, wherein the columnar connecting part (25) is provided with an annular adjusting groove (24); The adjusting and connecting assembly (90) comprises an installing arc block (91), the installing arc block (91) is connected with the supporting arm (80), an adjusting arc block (92) is arranged on the installing arc block (91), and the adjusting arc block (92) is slidably arranged in the annular adjusting groove (24) so that the supporting arm (80) rotates in the axis of the columnar connecting portion (25) to adjust the position.
  5. 5. The vacuum adsorption type positioning tool for milling of the automobile brake valve plate according to claim 4, wherein a positioning plate (94) is arranged on the installation arc-shaped block (91), the positioning plate (94) is arranged below the columnar connecting portion (25), and a antiskid plate (23) is arranged at the bottom end of the columnar connecting portion (25); The positioning plate (94) is provided with a positioning bolt (93), and the positioning bolt (93) is in contact with the antiskid plate (23) to fix the position of the installation arc-shaped block (91).
  6. 6. The vacuum adsorption type positioning tool for milling of the automobile brake valve plate according to claim 1, wherein the support arm (80) is provided with a movable through groove (81); The vacuum adsorption head (10) is provided with an adsorption tube (13), the elastic mounting tube (21) is arranged on the adsorption tube (13), and the adsorption tube (13) is arranged in the movable through groove (81) so that the vacuum adsorption head (10) can be subjected to position adjustment along the long axis direction of the support arm (80).
  7. 7. The vacuum adsorption type positioning tool for milling of the automobile brake valve plate according to claim 6, wherein the outer wall of the adsorption tube (13) is provided with a threaded outer wall (11), the threaded outer wall (11) is provided with two sets of threaded sleeves (12) in threaded connection, the threaded sleeves (12) are respectively arranged above and below the supporting arm (80), and the threaded sleeves (12) are in contact with the supporting arm (80) to position the adsorption tube (13).
  8. 8. The application method of the vacuum adsorption type positioning tool for milling the automobile brake valve plate based on any one of claims 1-7 is characterized by comprising the following steps: S1, presetting adsorption points: According to the hole position layout of the automobile brake valve plate to be processed, the support arm (80) is driven to rotate by adjusting the connecting component (90) by taking the axle center of the columnar connecting part (25) as a reference, the circumferential position of the vacuum adsorption head (10) is adjusted, so that the vacuum adsorption head (10) and the processing hole of the automobile brake valve plate to be processed form dislocation avoidance, and the preset of adsorption points is completed; s2, workpiece adsorption positioning: the automobile brake valve plate to be processed is arranged below the vacuum adsorption head (10), the adsorption shell (20) and the vacuum adsorption head (10) are driven to vertically descend through the lifting plate (30) until the vacuum adsorption head (10) is attached to the non-processing solid surface of the automobile brake valve plate, a vacuum source is started, continuous negative pressure is applied to the automobile brake valve plate through the vacuum adsorption head (10), and positioning and clamping of a workpiece are completed; S3, milling operation: Performing preset milling operation on the automobile brake valve plate subjected to positioning and clamping; s4, station switching and blanking: after milling, the rotary plate (50) drives the adsorption shell (20) and the machined automobile brake valve plate to rotate, the rotary plate is switched to the loading and unloading station, finished product unloading is completed through vacuum adsorption, the rotary plate (50) drives the adsorption shell (20) to reset, and the rotary plate enters the machining operation cycle of the next group of workpieces.
  9. 9. The method for using the vacuum adsorption type positioning tool for milling the automobile brake valve plate according to claim 8, wherein in the step S1, the method further comprises the step of adjusting radial point positions: The movable through groove (81) is formed along the long axis direction of the supporting arm (80), the installation position of the adsorption tube (13) matched with the vacuum adsorption head (10) is adjusted, the vacuum adsorption head (10) is driven to perform radial displacement adjustment along the long axis direction of the supporting arm (80), after the adjustment is in place, the adsorption tube (13) is locked and fixed from the upper side and the lower side of the supporting arm (80) through two groups of thread sleeves (12) matched with the threads on the outer wall of the adsorption tube (13), and the circumferential and radial two-dimensional cooperative point position adjustment of the vacuum adsorption head (10) is realized.
  10. 10. The method for using the vacuum adsorption type positioning tool for milling the automobile brake valve plate according to claim 8, wherein in the step S3, the loading pre-placement of the next group of automobile brake valve plates to be processed is completed at the idle station of the rotating plate (50) while the milling operation is performed on the automobile brake valve plate at the current station; in the step S2, the vacuum source synchronously outputs negative pressure to the elastic mounting pipes (21) matched with all the vacuum adsorption heads (10) through the connecting pipes (22) extending into the adsorption shell (20), so that the negative pressure values of all the vacuum adsorption heads (10) are kept consistent, and uniform adsorption positioning force is provided for the workpiece.

Description

Vacuum adsorption type positioning tool and method for milling automobile brake valve plate Technical Field The invention relates to a vacuum adsorption type positioning tool and a method for milling an automobile brake valve plate. Background The automobile brake valve plate is a core precise part of an automobile brake system, is of a thin-wall special-shaped structure, and has extremely high requirements on form and position tolerance, dimensional accuracy and surface quality in milling. In the current industry, for milling and clamping of the workpieces, the traditional mechanical clamping tool is mainly adopted, clamping deformation and surface crush injury of a valve plate thin-wall structure are easily caused by improper clamping force control, machining precision cannot be guaranteed stably, clamping points are fixed, valve plates with different specifications and hole positions are difficult to process, interference with machining holes and milling feed paths is easy to occur, and the tool suitability is poor. Disclosure of Invention The invention aims to provide a vacuum adsorption type positioning tool for milling an automobile brake valve plate, which aims to solve the problems in the background art. In order to achieve the above purpose, the present invention provides the following technical solutions: the vacuum adsorption type positioning tool for milling the automobile brake valve plate comprises a rotating plate, wherein a lifting plate is arranged on the rotating plate; The lifting plate is provided with an adsorption shell, a plurality of groups of vacuum adsorption heads are arranged on the adsorption shell, a plurality of groups of support arms are further arranged on the adsorption shell, the plurality of groups of support arms are matched with the plurality of groups of vacuum adsorption heads in position, the vacuum adsorption heads are arranged on the support arms, an adjusting and connecting assembly is arranged on the support arms, the adsorption shell is provided with a columnar connecting part, the adjusting and connecting assembly is connected with the columnar connecting part, the support arms drive the vacuum adsorption heads to rotate with the axis of the columnar connecting part to adjust positions, and the vacuum adsorption heads are used for avoiding machining holes on a brake valve plate. As an improvement of the technical scheme, the adsorption shell is provided with a connecting pipe, and the connecting pipe extends into the adsorption shell; the vacuum adsorption head is provided with an elastic mounting tube, the elastic mounting tube stretches into the adsorption shell, and a plurality of groups of elastic mounting tubes are communicated with the inner cavity of the connecting tube. As an improvement of the technical scheme, the rotating plate is provided with a lifting cylinder, and the lifting plate is arranged on a piston rod of the lifting cylinder; the bottom end of the rotating plate is provided with a rotating cylinder, and the rotating plate is arranged on a piston rod of the rotating cylinder; The bottom of revolving cylinder is provided with the installing frame, the installing frame passes through the bolt and is connected with revolving cylinder. As an improvement of the technical scheme, the columnar connecting part is provided with an annular adjusting groove; the adjusting and connecting assembly comprises an installing arc block, the installing arc block is connected with the supporting arm, an adjusting arc block is arranged on the installing arc block, and the adjusting arc block is arranged in the annular adjusting groove in a sliding mode, so that the supporting arm rotates to adjust the position with the axis of the columnar connecting portion. As an improvement of the technical scheme, the installation arc-shaped block is provided with a positioning plate, the positioning plate is arranged below the columnar connecting part, and the bottom end of the columnar connecting part is provided with a antiskid plate; the locating plate is provided with a locating bolt, the locating bolt is contacted with the antiskid plate, and the installation arc-shaped block is fixed in position. As an improvement of the technical scheme, the supporting arm is provided with a movable through groove; The vacuum adsorption head is provided with an adsorption tube, the elastic mounting tube is arranged on the adsorption tube, and the adsorption tube is arranged in the movable through groove, so that the vacuum adsorption head can adjust the position along the long axis direction of the support arm. As the improvement of the technical scheme, the outer wall of the adsorption tube is provided with a threaded outer wall, two groups of threaded sleeves in threaded connection are arranged on the threaded outer wall, the threaded sleeves are respectively arranged above and below the supporting arm, and the threaded sleeves are in contact with the supporting arm to position t