CN108356568B - Fixing device for workpiece edge milling and special-shaped workpiece edge milling process - Google Patents

Abstract

The utility model discloses a fixing device for milling edges of workpieces and a special-shaped workpiece edge milling process, and belongs to the technical field of edge milling device processes. The utility model comprises a fixed table and a pressing device, wherein a limiting block is fixed on the fixed table, the pressing device comprises a pressing block, a pressure transmission device and a pressure supply device, the pressure transmission device is horizontally fixed on the upper end surface of the fixed table, the pressing block is connected to an output shaft of the pressure transmission device and is matched with the limiting block in the horizontal direction, and the pressure supply device is connected with the pressure transmission device through a pipeline; and the upper end surface of the fixed table is also provided with a carrier roller and a magnet. According to the utility model, the workpiece is fixed on the fixed table by utilizing the interaction of the compression block, the limiting block and the magnet, and is conveyed to a material frame or the next procedure by utilizing the carrier roller after edge milling is finished, so that the workpiece milling device can be used for milling any position on a material, has a simple structure, is convenient to operate, has high processing efficiency, and is safe and reliable in processing process.

Description

Fixing device for workpiece edge milling and special-shaped workpiece edge milling process

Technical Field

The utility model belongs to the technical field of edge milling device processes, and particularly relates to a fixing device for workpiece edge milling and a special-shaped workpiece edge milling process.

Background

The edge milling is a processing technology for removing redundant or uneven parts of edges of steel plates or special-shaped strips and the like, and is usually finished by using an edge milling machine, but no matter which edge milling machine is used, the processed materials are required to be pressed and fixed, so that the processed materials are in a fixed and stable state during processing.

The fixing device may be classified into a screw pressing device, a hydraulic pressing device, and the like. The spiral pressing device consumes time and labor in use, and affects edge milling efficiency. The hydraulic compaction solves the production efficiency problem, but the design of the edge milling hydraulic pressing device in the current market is mainly that two upright posts are arranged at the left end and the right end of a machine tool body, the middle span is connected by a cross beam, pressing oil cylinders are uniformly distributed on the cross beam, a workpiece is pressed by the oil cylinders during edge milling, and the pressing force of the oil cylinders is controlled by a hydraulic system. The beam adopts a steel structure, so that the welding span is large, and the time is long, so that the beam is easy to go down to deform; because the cross beam and the material pressing oil cylinder are arranged on the upper part of the lathe bed, a worker easily damages the lathe bed or cannot hang the lathe bed in place when hoisting a workpiece on the lathe bed, and the feeding and the discharging are extremely inconvenient.

Through searching, chinese patent and application number: 201220602073.4, bulletin day: 2013.04.24A beam-free pressing mechanism of edge milling machine or edge planing machine comprises a workbench and a plurality of oil cylinders, wherein a plurality of lever mechanisms with the same number as the oil cylinders are arranged at the rear side of the workbench; the driven ends of the lever mechanisms are jointly connected to a movable beam for pressing the workpiece; the piston rods of the plurality of oil cylinders are connected with the driving end of the lever mechanism. In the optimization scheme, the driven end of the lever mechanism is connected with a movable beam for pressing a workpiece through a hinge; the lower part of the oil cylinder is connected with the workbench through a hinge; the cylinder piston rod is connected with the driving end of the lever mechanism through a hinge. The utility model overcomes the defects of the traditional edge milling machine or edge planing machine, the workpiece is tightly pressed by a hydraulic oil cylinder and a lever mechanism, and a fixed girder is not arranged above the workpiece. The lifting of the workpiece before and after milling becomes simple and convenient. However, when the workpiece is pressed, the vertical pressing mode is adopted, the edge milling and turning are not easy to operate, and the processing efficiency is low.

Disclosure of Invention

Technical problem to be solved by the utility model

Aiming at the problems that the traditional spiral compaction and hydraulic compaction feeding and discharging are extremely inconvenient, the machining efficiency is low and the like in the prior art, the utility model provides the fixing device for workpiece edge milling and the special-shaped workpiece edge milling process, and the limiting block and the compacting device are transversely matched to transversely compact or limit the workpiece, so that the workpiece edge milling and discharging device is convenient to mill and turn over, high in machining efficiency, simple in structure and convenient to operate.

Technical proposal

In order to solve the problems, the technical scheme provided by the utility model is as follows:

the utility model provides a fixing device for work piece edge milling, includes fixed station and closing device, closing device can be pneumatic closing device, hydraulic drive closing device, also can be screw closing device, the upper end face of fixed station is gone up the level and is fixed with the stopper, closing device is fixed on the upper end face of fixed station, and with the cooperation setting around stopper horizontal direction.

Further, the compressing device comprises a compressing block, a pressure transmission device and a pressure supply device, wherein the pressure transmission device is horizontally fixed on the upper end face of the fixed table, the compressing block is detachably connected to an output shaft of the pressure transmission device and is arranged in a front-back matching manner with the horizontal direction of the limiting block, and the pressure supply device is connected with the pressure transmission device through a pipeline.

Further, the compressing device comprises a plurality of pressure transmission devices, and the compressing blocks are detachably connected to output shafts of the pressure transmission devices; the pressure transmission devices are uniformly distributed along the length direction of the limiting block and are connected with the pressure supply device through pipelines.

Further, the pressure transmission device is a hydraulic cylinder or a pneumatic cylinder.

Further, a plurality of mounting grooves are formed in the upper end face of the fixed table and located on the clamping side of the limiting block, the mounting grooves are arranged against the limiting block, carrier rollers are mounted in the mounting grooves, the outer arc top ends of the carrier rollers are higher than the upper end face of the fixed table, and the carrier rollers are connected with the fixed table through bearings; the rolling direction of the carrier roller is consistent with the length direction of the limiting block.

Further, a plurality of magnets are embedded on the upper end face of the fixed table, the magnets are located on the clamping side of the limiting block, the upper end face is lower than the top end of the outer arc of the carrier roller, and the magnets are arranged against the limiting block.

Further, the magnets and the carrier rollers are alternately arranged.

Further, the magnet is a permanent magnet or an electromagnet.

Further, the compaction block is of a T-shaped structure or a square frame structure.

A special-shaped workpiece edge milling process comprises the following steps:

step one, placing a special-shaped workpiece on a clamping side of a limiting block on a fixed table;

step two, milling oblique burrs:

A. turning up the special-shaped workpiece by using a turning fork;

B. starting a pressure transmission device, pushing the compaction block to the lower part of the special-shaped workpiece, locking the special-shaped workpiece by using the magnet, the compaction block and the limiting block, and ensuring that the inclined burrs are upwards vertically;

C. milling the inclined burrs by using a milling cutter;

D. the special-shaped workpiece is clamped by the turning fork, the pressure transmission device is started, and the compaction block is pushed to the initial position;

milling straight burrs:

A. turning the special-shaped workpiece by using the turning fork to ensure that the straight burr faces upwards vertically;

B. starting the pressure transmission device, pushing the compaction block to the side surface of the special-shaped workpiece, and propping against the special-shaped workpiece;

C. milling the straight burrs by using a milling cutter;

D. starting the pressure transmission device to push the compaction block to a starting position;

and step four, unloading the special-shaped workpiece from the fixed table by utilizing a carrier roller to finish edge milling.

Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) According to the fixing device for milling the edges of the workpiece, provided by the utility model, the lateral compaction and fixation of the workpiece to be processed are realized by utilizing the compaction device and the limiting block which are matched with each other, so that the workpiece is convenient to feed and turn over in the processing process, time and labor are saved, and the safety is high;

(2) The fixing device for milling the edges of the workpieces provided by the utility model comprises the compression block, the pressure transmission device and the pressure supply device, and the transverse compression fixing of the workpieces is realized by utilizing the cooperation of the pressure supply device, the pressure transmission device and the compression block, so that manual fixing is not needed in the process, the operation is simple, the efficiency is high, and the fixing effect is good;

(3) According to the fixing device for milling edges of the workpiece, the pressing block, the fixing table, the limiting block and the milling cutter are matched with each other, the workpiece to be processed is positioned and fixed in an inclined mode, milling positions, such as bevel edges, on the workpiece are convenient to mill, and the fixing device can be suitable for milling of special-shaped workpieces and is wide in applicability;

(4) According to the fixing device for milling edges of the workpiece, the plurality of compression blocks are matched with the limiting blocks, the plurality of compression blocks are fixed at multiple points in the length direction of the workpiece to be processed, the distribution is uniform, the fixing effect is good, and the milling precision is high;

(5) The fixing device for milling the edges of the workpiece provided by the utility model adopts the hydraulic cylinder for transmission, can be remotely controlled and is convenient to operate; stepless speed change can be realized, and the safety is high; time is saved, and working efficiency is improved; compared with a pneumatic cylinder, the hydraulic cylinder has low noise and no noise pollution;

(6) According to the fixing device for milling the edges of the workpiece, provided by the utility model, the workpiece can be rapidly discharged through the carrier roller, so that the time and the labor are saved, and the safety is higher; the limiting block also plays a role in protecting the workpiece in the process of transferring and discharging, so that the workpiece is prevented from falling from the side surface of the carrier roller;

(7) According to the fixing device for milling edges of the workpiece, provided by the utility model, the magnet is arranged, the workpiece is firmly sucked by utilizing the magnet, the workpiece can be effectively fixed without downward force application by virtue of the milling cutter, the workpiece can be prevented from shaking, and the milling precision is improved; meanwhile, the magnet can absorb metal scraps generated by milling, so that the scraps are prevented from scattering in a large range, the working environment is kept clean, and the human eyes are prevented from being splashed and hurt;

(8) According to the fixing device for milling the edges of the workpiece, the carrier roller and the magnet are arranged at the same time, and the carrier roller is used for rolling and discharging, so that the attraction force of the magnet is effectively overcome, the fixing is more effective in the workpiece cutting process, the discharging process is easier, and the production efficiency is high;

(9) According to the fixing device for milling edges of the workpiece, the magnets and the carrier rollers are alternately arranged, so that the uniform stress of each part of the workpiece can be ensured, the fixing is firmer, and the milling precision is higher;

(10) The fixing device for milling the edges of the workpiece provided by the utility model has the advantages that the magnet is an electromagnet, the electromagnet has the capability of controlling the generation of magnetic force, demagnetization and the strength of the magnetic force, and a better suction effect can be achieved by adjusting the size of the magnetic force; the material is convenient to discharge after demagnetization, and milling scraps are convenient to clean;

(11) According to the fixing device for milling edges of the workpiece, the compression block is of the T-shaped structure or the square frame structure, the compression block of the T-shaped structure has the advantages of being light in weight, saving materials and the like, the compression block of the square frame structure has the advantages of being good in stability and not suitable for swinging left and right, the effective fixing lengths of the compression block and the square frame structure are large, and the fixing effect is good;

(12) The edge milling process for the special-shaped workpiece can realize effective milling of the inclined burrs and the straight burrs of the special-shaped workpiece, overcomes the technical problems that the special-shaped workpiece is difficult to fix and the inclined burrs are milled or the milling is not clean in the traditional method, and has high milling efficiency, safety and reliability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2, a schematic view of a workpiece lock of the present utility model;

FIG. 3 is a schematic diagram of the turning of the utility model;

FIG. 4 is a schematic view of another form of workpiece lock of the present utility model;

FIG. 5 is a schematic cross-sectional view of a profiled workpiece;

in the accompanying drawings: 1. a fixed table; 2. a limiting block; 3. a mounting groove; 4. a compaction block; 5. a pressure transmission device; 6. a pressure supply device; 7. a magnet; 8. a carrier roller; 10. a special-shaped workpiece; 11. a milling cutter; 12. turning fork; 101. oblique burrs; 102. straight burrs.

Detailed Description

For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples.

Example 1

The utility model provides a fixing device for milling edges of workpieces, as shown in fig. 1, includes fixed station 1 and closing device, the upper end face of fixed station 1 is gone up the level and is fixed with stopper 2, closing device fixes on the upper end face of fixed station 1, and with stopper 2 along horizontal direction front and back cooperation setting. The compressing device can be a pneumatic compressing device, a hydraulic compressing device, a spiral compressing device and the like. When the compressing device is a pneumatic compressing device or a hydraulic compressing device, the motion output end of the compressing device is driven by high pressure to be matched with the limiting block 2 to fix a workpiece. When the pressing device is a spiral pressing device, the workpiece is fixed by changing the screwing length of the screw and matching with the limiting block 2.

When the clamping device is specifically applied, a workpiece to be machined is placed on the upper end face of the fixed table 1 between the limiting block 2 and the pressing device, the pressing device is adjusted, the workpiece is clamped between the limiting block 2 and the output end of the pressing device, the workpiece to be machined is transversely pressed and fixed, feeding of the workpiece and overturning in the machining process are facilitated, time and labor are saved, and safety is high. During milling, the milling cutter downwards props against the surface or edge to be processed of the workpiece to perform milling processing, and stability is good.

Example 2

The fixing device for milling edges of workpieces in the embodiment has the same basic structure as that of the embodiment 1, and is different from and improved in that, as shown in fig. 1, the compressing device comprises a compressing block 4, a pressure transmission device 5 and a pressure supply device 6, wherein the pressure transmission device 5 is a pneumatic cylinder or a hydraulic cylinder and the like; the pressure transmission device 5 is horizontally fixed on the upper end surface of the fixed table 1, the compression block 4 is detachably connected to an output shaft of the pressure transmission device 5 and is matched with the limiting block 2 in the front-back direction, and in the embodiment, the compression block 4 is connected with the pressure transmission device 5 in a threaded manner; the pressure supply device 6 is connected with the pressure transmission device 5 through a pipeline, and the pressure supply device 6 supplies working pressure for the pressure transmission device 5.

During milling, the pressure supply device 6 is utilized to generate high pressure to drive the output shaft of the pressure transmission device 5 to move, the output shaft of the pressure transmission device 5 pushes the compression block 4 to move, a workpiece is propped against and fixed between the compression block 4 and the limiting block 2, and the workpiece is transversely compressed and fixed. The fixing device is free from manual fixing in the process, simple to operate, high in efficiency and good in fixing effect.

The fixing device for edge milling in this embodiment may also be used for edge milling of a special-shaped workpiece, as shown in fig. 2 to 5, the special-shaped workpiece 10 is placed on the fixing table 1, one of the pressing block 4 and the limiting block 2 is used as a support, the other is used for transversely abutting against and limiting to fix the special-shaped workpiece 10, and the oblique burr 101 on the special-shaped workpiece 10 is ensured to be vertically upward, so that the milling is convenient, and at this time, the milling cutter 11 abuts against the special-shaped workpiece 10 downwards to mill, and still can effectively fix the special-shaped workpiece 10 by being mutually matched with the pressing block 4 and the limiting block 2; after milling the inclined burrs 101, turning over the special-shaped workpiece 10 by using a turning fork 12, adjusting the straight burrs 102 to vertically upwards, and fixing the special-shaped workpiece 10 by using the pressing block 4 and the limiting block 2 for milling.

According to the fixing device for edge milling, the pressing block 4, the fixing table 1, the limiting block 2 and the milling cutter 11 are matched with each other, the workpiece to be processed is positioned and fixed in an inclined mode, the milling positions of the bevel edge and the like on the workpiece are convenient to mill, and the fixing device can be suitable for milling of special-shaped workpieces and is wide in applicability.

Example 3

The fixing device for milling edges of workpieces in this embodiment has the same basic structure as that in embodiment 2, and is different from and improved in that, as shown in fig. 1, the compressing device includes a plurality of pressure driving devices 5, the output shafts of the pressure driving devices 5 are detachably connected with the compressing blocks 4, and in this embodiment, the connection mode between the output shafts of the pressure driving devices 5 and the compressing blocks 4 is threaded connection; the pressure transmission devices 5 are uniformly distributed along the length direction of the limiting block 2 and are connected with the pressure supply device 6 through pipelines. The plurality of compacting blocks 4 are matched with the limiting blocks 2, are fixed at multiple points in the length direction of a workpiece to be processed, are uniformly distributed, and have good fixing effect and high milling precision.

Example 4

The fixing device for milling edges of workpieces has the same basic structure as that of the embodiment 3, and is different from and improved in that the pressure transmission device 5 is a hydraulic cylinder or a pneumatic cylinder, an output shaft of the hydraulic cylinder or the pneumatic cylinder is detachably connected with the compression block 4, and in the embodiment, the connection mode of the output shaft of the hydraulic cylinder or the pneumatic cylinder and the compression block 4 is threaded connection; the pressure supply device 6 is connected with the hydraulic cylinder or the pneumatic cylinder through a pressure supply pipe, and the pressure supply device 6 provides working pressure for the hydraulic cylinder or the pneumatic cylinder.

The fixing device for milling the edges of the workpiece adopts a hydraulic cylinder or a pneumatic cylinder for transmission, can be remotely controlled, and is convenient to operate; stepless speed change can be realized, and the safety is high; time is saved, and working efficiency is improved; compared with the pneumatic cylinder, the hydraulic cylinder has low noise and no noise pollution.

Example 5

The fixing device for milling edges of workpieces is different from and improved in that, as shown in fig. 1, a plurality of mounting grooves 3 are formed in the upper end face of a fixing table 1 and located on the clamping side of a limiting block 2, the clamping side is one side close to a compacting block 4, the mounting grooves 3 are arranged against the limiting block 2, carrier rollers 8 are arranged in the mounting grooves 3, the top ends of outer arcs of the carrier rollers 8 are higher than the upper end face of the fixing table 1, the bottoms of the workpieces are not contacted with the upper end face of the fixing table 1 when the workpieces are placed on the carrier rollers 8, rolling unloading by the carrier rollers 8 is achieved, the carrier rollers 8 are connected with the fixing table 1 through bearings, and the carrier rollers 8 are convenient to disassemble and maintain; the rolling direction of the carrier roller 8 is consistent with the length direction of the limiting block 2, so that workpieces are ensured to be transferred and discharged along the extending direction of the limiting block 2, the limiting block 2 also plays a role in protecting the workpieces during transferring and discharging, and the workpieces are prevented from falling from the side surfaces of the carrier roller 8.

According to the fixing device for edge milling, rapid unloading of workpieces can be achieved through the carrier roller 8, time and labor are saved, and meanwhile safety is high.

Example 6

The fixing device for milling edges of workpieces in this embodiment has the same basic structure as any one of embodiments 2 to 5, and is different and improved in that, as shown in fig. 1, a plurality of magnets 7 are further embedded on the upper end surface of the fixing table 1, the magnets 7 are permanent magnets or electromagnets, the magnets 7 are all located on the clamping side of the limiting block 2, the upper end surface is lower than the outer arc top end of the carrier roller 8, the clamping side is one side close to the compression block 4, and the magnets 7 are arranged along the limiting block 2.

In specific application, as shown in fig. 2, one of the pressing block 4 and the limiting block 2 may be used as a support, and the other may be used to tightly support and limit, and at the same time, the workpiece may be fixed by using the attraction force of the magnet 7. When one of the pressing block 4 and the limiting block 2 is used as a support and the other one is abutted against the limiting block to fix a workpiece, the workpiece shakes due to vibration of the edge milling machine, and the milling precision is affected. The magnet 7 is arranged, the workpiece is firmly sucked by utilizing the magnet 7, the workpiece can be effectively fixed without downward force application by virtue of a milling cutter, meanwhile, the workpiece can be prevented from shaking, and the milling precision is improved; meanwhile, the magnet 7 can absorb metal scraps generated by milling, so that the scraps are prevented from scattering in a large range, the working environment is kept clean, and the human eyes are prevented from being splashed.

When the magnet 7 is arranged on the basis of the embodiment 5, the carrier roller 8 can be utilized for rolling and discharging, so that the suction force of the magnet 7 is effectively overcome, the workpiece is fixed more effectively in the cutting process, the discharging process is easier, and the production efficiency is high.

Example 7

The basic structure of the fixing device for milling edges of workpieces in this embodiment is the same as that in embodiment 6, and is different from and improved in that the magnets 7 and the carrier rollers 8 are alternately arranged. When the workpiece is fixed, the carrier roller 8 supports the workpiece, and the magnet 7 applies downward suction force to the workpiece so as to fix the workpiece. The magnets 7 and the carrier rollers 8 are alternately arranged, so that the uniform stress of each part of the workpiece can be ensured, the fixation is firmer, and the milling precision is higher.

Example 8

The fixing device for milling edges of workpieces in this embodiment has the same basic structure as that in embodiment 6 or 7, and is different and improved in that the magnet 7 is a permanent magnet or an electromagnet, and the permanent magnet includes a samarium cobalt magnet, a neodymium iron boron magnet, a ferrite magnet, an alnico magnet, an iron chromium cobalt magnet, and the like. During milling, the magnet 7 is required to have a strong magnetic force since the magnet 7 is not in contact with the workpiece. In this embodiment, the magnet 7 is a neodymium iron boron magnet or an electromagnet, and has strong magnetic force and good fixing effect. The electromagnet has the capability of controlling the generation of magnetic force, demagnetization and the strength of the magnetic force, and can achieve better suction effect by adjusting the magnetic force; and the material is convenient to discharge after demagnetizing, and milling scraps are convenient to clean.

Example 9

The basic structure of the fixing device for milling edges of workpieces in this embodiment is the same as any of embodiments 2 to 8, and is different from and improved in that the pressing block 4 is in a T-shaped structure or a square frame structure. When the compression block 4 is of a T-shaped structure, the vertical part of the T-shape is connected with the output shaft of the pressure transmission device 5, and the head part of the T-shaped vertical part is parallel to the limiting block 2; as shown in fig. 1, when the compression block 4 is in a square frame structure, the middle part of one side of the square frame structure is connected with the output shaft of the pressure transmission device 5, and the opposite side of the square frame structure is parallel to the limiting block 2. The compacting block 4 of the T-shaped structure has the advantages of light weight, material saving and the like, while the compacting block 4 of the square frame structure has the advantages of good stability, inadvisable left and right swing, and the effective fixed length of the compacting block 4 and the square frame structure is larger, so that the fixing effect is good.

Example 10

The special-shaped workpiece edge milling process, which uses the fixing device for workpiece edge milling of the embodiment 9, comprises the following steps as shown in fig. 2 to 5:

firstly, placing a special-shaped workpiece 10 on a clamping side of a limiting block 2 on a fixed table 1, wherein the clamping side is the side close to a compression block 4; the special-shaped workpiece 10 is supported by the carrier roller 8 and does not contact the upper end surface of the fixed table 1;

step two, milling oblique burrs:

A. turning up the special-shaped workpiece 10 by using a turning fork 12;

B. starting a pressure transmission device 5, pushing a compaction block 4 to the lower part of the special-shaped workpiece 10, starting the magnetic force of a magnet 7, locking the special-shaped workpiece 10 by using the magnet 7, the compaction block 4 and a limiting block 2, and ensuring that an inclined burr 101 faces upwards vertically; at the moment, the compaction block 4 plays a supporting role, the limiting block 2 plays a transverse clamping role, and the magnet 7 is used for downwards sucking and fixing the special-shaped workpiece 10; when the magnet 7 is an electromagnet, the magnetic force is started after the position and the state of the special-shaped workpiece 10 are stabilized, so that the position and the state of the special-shaped workpiece 10 can be conveniently adjusted;

C. milling the oblique burrs 101 by using a milling cutter 11;

D. the special-shaped workpiece 10 is clamped by the turning fork 12, the pressure transmission device 5 is started, and the compacting block 4 is pushed to the initial position;

milling straight burrs:

A. closing the magnetic force of the magnet 7, and turning the special-shaped workpiece 10 by using the turning fork 12 to ensure that the straight burrs 102 are vertically upwards;

B. starting the pressure transmission device 5, pushing the compaction block 4 to the side surface of the special-shaped workpiece 10, propping against the special-shaped workpiece 10, and starting the magnetic force of the magnet 7;

C. milling the straight burr 102 by using a milling cutter 11;

D. starting the pressure transmission device 5 to push the compaction block 4 to a starting position;

fourthly, closing the magnetic force of the magnet 7, and detaching the special-shaped workpiece 10 from the fixed table 1 by utilizing the carrier roller 8 to finish edge milling; the magnetic force of the magnet 7 is turned off firstly, and then the special-shaped workpiece 10 is dismounted by using the carrier roller 8, so that the blanking is facilitated.

In the edge milling process of the special-shaped workpiece, the magnet 7 is an electromagnet. When the magnet 7 is a permanent magnet, the edge milling process of the special-shaped workpiece is different from the edge milling process of the special-shaped workpiece in that the magnetism of the magnet 7 is not required to be started and closed, and the rest is consistent.

According to the edge milling process for the special-shaped workpiece, effective milling of the inclined burrs 101 and the straight burrs 102 of the special-shaped workpiece 10 can be achieved, the technical problems that the special-shaped workpiece is difficult to fix and the inclined burrs 101 are milled or the milling is not clean in the traditional method are overcome, and the milling efficiency is high, safe and reliable.

The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.

Claims (1)

1. The special-shaped workpiece edge milling process is characterized by comprising a fixing device for workpiece edge milling, wherein the fixing device for workpiece edge milling comprises a fixing table (1) and a pressing device, a limiting block (2) is horizontally fixed on the upper end surface of the fixing table (1), and the pressing device is fixed on the upper end surface of the fixing table (1) and is matched with the limiting block (2) in the horizontal direction;

the compressing device comprises a compressing block (4), a pressure transmission device (5) and a pressure supply device (6), wherein the pressure transmission device (5) is horizontally fixed on the upper end face of the fixed table (1), the compressing block (4) is detachably connected to an output shaft of the pressure transmission device (5) and is matched with the limiting block (2) in the horizontal direction, and the pressure supply device (6) is connected with the pressure transmission device (5) through a pipeline;

the compressing device comprises a plurality of pressure transmission devices (5), and the compressing blocks (4) are detachably connected to output shafts of the pressure transmission devices (5); the pressure transmission devices (5) are uniformly distributed along the length direction of the limiting block (2) and are connected with the pressure supply device (6) through pipelines;

a plurality of mounting grooves (3) are formed in the upper end face of the fixed table (1) and located on the clamping side of the limiting block (2), carrier rollers (8) are mounted in the mounting grooves (3), the top ends of outer arcs of the carrier rollers (8) are higher than the upper end face of the fixed table (1), and the carrier rollers (8) are connected with the fixed table (1) through bearings; the rolling directions of the carrier rollers (8) are consistent with the length direction of the limiting block (2);

the upper end face of the fixed table (1) is further embedded with a plurality of magnets (7), the magnets (7) are positioned on the clamping side of the limiting block (2), and the upper end face is lower than the outer arc top end of the carrier roller (8);

the method comprises the following steps:

firstly, placing a special-shaped workpiece (10) on a clamping side of a limiting block (2) on a fixed table (1);

step two, milling oblique burrs:

A. turning up the special-shaped workpiece (10) by using a turning fork (12);

B. starting a pressure transmission device (5), pushing the compaction block (4) to the lower part of the special-shaped workpiece (10), locking the special-shaped workpiece (10) by using the magnet (7), the compaction block (4) and the limiting block (2), and ensuring that the inclined burrs (101) are upwards vertically;

C. milling the oblique burrs (101) by using a milling cutter (11);

D. the special-shaped workpiece (10) is clamped by the turning fork (12), the pressure transmission device (5) is started, and the compaction block (4) is pushed to the initial position;

milling straight burrs:

A. turning the special-shaped workpiece (10) by using the turning fork (12) to ensure that the straight burrs (102) are vertically upwards;

B. starting the pressure transmission device (5), pushing the compaction block (4) to the side surface of the special-shaped workpiece (10) and propping against the special-shaped workpiece (10);

C. milling the straight burr (102) by a milling cutter (11);

D. starting the pressure transmission device (5) to push the compaction block (4) to a starting position;

and fourthly, unloading the special-shaped workpiece (10) from the fixed table (1) by utilizing the carrier roller (8) to finish edge milling.

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