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CN-121972710-A - Device and method for milling surface of die

CN121972710ACN 121972710 ACN121972710 ACN 121972710ACN-121972710-A

Abstract

The invention discloses a milling device and a milling method for a surface of a die, which relate to the technical field of milling, and comprise a splicing base and a movable base, wherein the splicing base is spliced and installed on the outer surface of one end of the movable base, a milling cutter for processing the die is movably installed above the movable base, a movable frame for installing the die is movably installed on the outer surface of the upper end of the splicing base, a rotating frame and a positioning frame are movably installed on the inner side of the movable frame, the rotating frame and the positioning frame are symmetrically arranged, a plurality of groups of inserting rods are installed on the outer surfaces of the rotating frame and the positioning frame, a limiting frame for fixing the rotating frame is arranged on one side of the movable frame, the auxiliary turning structure is arranged, the auxiliary turning structure is suitable for a double-sided milling structure of a middle die, the double-sided milling precision of the auxiliary turning structure is improved, the problem that the stability of the rotary turning structure is poor is solved, the die is kept in a stable state after being turned, and the milling precision after the rotary turning is improved.

Inventors

  • LEI XINCHUN

Assignees

  • 北京北汽模塑科技有限公司

Dates

Publication Date
20260505
Application Date
20260312

Claims (10)

  1. 1. The utility model provides a mould surface milling process device, its characterized in that, including concatenation base (2) and removal base (4), the one end surface at removal base (4) is installed in concatenation of concatenation base (2), the top movable mounting of removal base (4) has milling cutter (6) that are used for processing the mould, the upper end surface movable mounting of concatenation base (2) has removal frame (1) that are used for installing the mould, the inboard movable mounting of removal frame (1) has swivel mount (3) and locating rack (10), be the symmetry setting between swivel mount (3) and the locating rack (10), a plurality of groups inserted bars (15) are all installed to the surface of swivel mount (3) and locating rack (10), one side of removal frame (1) is provided with spacing frame (12) that are used for fixing swivel mount (3), spacing roof bar (9) that two sets of flexible chucks (14) are installed to the side of the upper end inboard of removal base (4) are equipped with two rows of cooperation moulds.
  2. 2. The die surface milling device according to claim 1, wherein a transverse push rod (17) is arranged in the middle of the side edge of the positioning frame (10), the positioning frame (10) and the movable frame (1) are driven by the transverse push rod (17), the positioning frame (10) and the transverse push rod (17) are movably connected by a rotary shaft (16), and a circular notch (22) is formed in the side edge of the movable frame (1).
  3. 3. The die surface milling device according to claim 1, wherein a lower frame body (11) is mounted at the lower part of the movable frame (1), the movable frame (1) is movably connected with the lower frame body (11) through a lifting ejector rod (21), and a movable caster wheel (13) is mounted below the lower frame body (11).
  4. 4. The die surface milling device according to claim 1, wherein the interior of the spliced base (2) is of a hollow structure, a storage box (18) is fixedly arranged on the outer surface of one end of the spliced base (2), a flushing frame (19) is movably arranged on the inner side of the spliced base (2), and a plurality of groups of spraying grooves (20) are formed in the upper end of the flushing frame (19).
  5. 5. The surface milling device for the die according to claim 1, wherein a plurality of groups of limiting ejector rods (9) are connected through a connecting plate (24), the upper ends of the limiting ejector rods (9) are of semicircular structures, and the limiting ejector rods (9) are elastically connected with the connecting plate (24) through springs (25).
  6. 6. The surface milling device for the die according to claim 5, wherein the lower end of the connecting plate (24) is driven by a hydraulic ejector rod (23), a plurality of groups of clamping grooves are formed in the outer surface of one side of the limiting ejector rod (9), and a movable clamping strip (26) for fixing the limiting ejector rod (9) is movably mounted in the connecting plate (24).
  7. 7. The surface milling device for the die according to claim 6, wherein the surface of the movable clamping bar (26) is provided with a plurality of groups of limiting clamping grooves (27), the limiting ejector rod (9) passes through the limiting clamping grooves (27), and one end of the movable clamping bar (26) is driven by a threaded rod (28).
  8. 8. The surface milling device for the die according to claim 1, wherein the outer surface of the upper end of the movable base (4) is movably provided with a direction adjusting frame (5) used with a milling cutter (6), and the upper end of the movable base (4) is provided with two groups of sliding grooves used with the movable frame (1) and the direction adjusting frame (5).
  9. 9. The die surface milling device according to claim 8, wherein a transverse sliding seat (8) is installed at the upper part of the direction adjusting frame (5), a driver (7) is installed at the upper part of the milling cutter (6), and the driver (7) is movably connected with the transverse sliding seat (8) through a vertical sliding seat.
  10. 10. A method of using a die surface milling device as defined in claim 1, comprising the steps of: Firstly, placing a middle die (30) in a movable frame (1), fixing two sides of the middle die (30) by using a rotating frame (3) and a positioning frame (10), and moving the middle die (30) to the upper end of a movable base (4) through the movable frame (1); Step two, the connecting plate (24) is driven by utilizing the hydraulic ejector rod (23), so that the connecting plate (24) integrally drives a plurality of groups of limit ejector rods (9) to move upwards, the using height of the limit ejector rods (9) can be elastically adjusted through the springs (25), when the limit ejector rods (9) are mutually abutted with the bottom of the middle die (30), the threaded rod (28) is driven by utilizing a motor, the threaded rod (28) pulls the movable clamping strip (26) to translate, and the clamping grooves of the limit ejector rods (9) are abutted by utilizing the limit clamping grooves (27), so that the limit fixing of the groups of limit ejector rods (9) is finished at the same time; And thirdly, milling the upper part of the middle die (30) through a milling cutter (6), moving the movable frame (1) to the splicing base (2), overturning the middle die (30) through the rotating frame (3) and the positioning frame (10), milling the reverse side of the middle die, and sequentially performing milling operation of the first side die (29) and the second side die (31).

Description

Device and method for milling surface of die Technical Field The invention relates to the technical field of milling, in particular to a device and a method for milling a surface of a die. Background The milling device is a metal processing device for cutting through relative motion of a rotary milling cutter and a workpiece, and mainly comprises a main shaft system for driving the milling cutter to rotate, a feeding system for controlling axial and radial movement of the cutter and the workpiece, and a control system, so that efficient processing of planes, curved surfaces and complex contours can be realized. The existing mould structure is composed of a female mould and a male mould, the mould is mainly used for injection molding of a left rearview mirror shell and a right rearview mirror shell of an automobile, the rearview mirrors are divided into the left rearview mirror shell and the right rearview mirror shell, a group of mould structures are needed for a single rearview mirror, the mould with a three-mould structure is designed at present, two sides of the middle mould are both provided with the female mould, the injection molding of a pair of rearview mirrors can be completed after the three moulds are combined into a whole, and the processing of a pair of rearview mirrors can be completed by using 1.5 groups of mould materials; The traditional milling equipment does not have turn-over processing, when the two sides of the middle die are processed, the die needs to be taken down again and then turned over and fixed, so that the processing efficiency of the die is reduced, and after the die is fixed again, the position of the die is easy to deviate, the processing precision is affected, and when the double-sided processing is carried out, the two sides of the middle die cannot be perfectly matched with other dies, and the injection molding effect of a rearview mirror shell is affected. In summary, the milling device in the prior art has the technical problem that the milling device does not have an auxiliary turning structure and cannot be suitable for the processing operation of the double-sided die structure. Disclosure of Invention The invention provides a milling device and a milling method for a die surface, which can solve the technical problem that the milling device in the prior art has no auxiliary turning structure and cannot be suitable for the processing operation of a double-sided die structure. The utility model provides a mould surface milling process device, includes concatenation base and removal base, the one end surface at the removal base is installed in the concatenation of concatenation base, the top movable mounting of removal base has the milling cutter that is used for processing the mould, the upper end surface movable mounting of concatenation base has the removal frame that is used for installing the mould, the inboard movable mounting of removal frame has swivel mount and locating rack, be the symmetry setting between swivel mount and the locating rack, a plurality of groups inserted bars are all installed to the surface of swivel mount and locating rack, one side of removal frame is provided with the spacing that is used for fixed swivel mount, two sets of flexible chucks are installed to the side of spacing, the upper end inboard of removal base is equipped with the spacing ejector pin that two rows of cooperation moulds used. According to the application, the middle part of the side edge of the locating frame is provided with the transverse push rod, the locating frame and the movable frame are driven by the transverse push rod, the locating frame and the transverse push rod are movably connected by the rotary shaft, the side edge of the movable frame is provided with the circular notch, the locating frame can be used for overturning the locating frame by using the rotary frame and the locating frame of the movable frame, the die is mainly used for processing left and right rearview mirrors of an automobile, the left and right rearview mirrors are of symmetrical structures, two groups of dies are required to respectively process the left and right rearview mirrors, namely two groups of dies and two groups of male dies, a group of female dies and the male dies are combined to form a middle die, two sides of the middle die are of concave die groove structures, and then are matched with the first side die and the second side die to form two groups of die cavities, and the overturning processing structure can be better suitable for processing operation of the middle die. As a further technical scheme of the invention, the lower part of the movable frame is provided with the lower frame body, the movable frame and the lower frame body are movably connected through the lifting ejector rod, the lower part of the lower frame body is provided with the movable castor, the movable frame can be lifted upwards through the lifting ejector rod for better adapting to the installatio