CN220112805U

CN220112805U - Milling machine clamping device for processing cylindrical object

Info

Publication number: CN220112805U
Application number: CN202321617997.6U
Authority: CN
Inventors: 魏勇
Original assignee: Guangzhou Keyuan Numerical Control Technology Co ltd
Current assignee: Guangzhou Keyuan Numerical Control Technology Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-01
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a milling machine clamping device for processing a cylindrical object, which relates to the field of milling machine equipment and aims to solve the technical problem that a conventional milling machine clamp is difficult to stably clamp a cylindrical workpiece.

Description

Milling machine clamping device for processing cylindrical object

Technical Field

The utility model belongs to the field of milling machine equipment, and particularly relates to a milling machine clamping device for processing a cylindrical object.

Background

The milling machine is used as equipment for processing parts, the outer surface of the parts fixed by the clamp is processed through the rotation of the cutter, the milling machine is suitable for parts with various shapes, the parts are fixed through the clamp on the machine tool during processing, one surface to be processed is operated towards the cutter, at present, cylindrical parts such as a piston rod, a bearing and the like are processed, because of the smooth outer wall surface of the milling machine, the common clamp is difficult to stably clamp and lock, the existing milling machine clamp can be improved, the clamping parts with different functions are enabled to be provided, and workpieces with flat surfaces and cylindrical surfaces can be stably clamped and fixed.

The prior Chinese patent with publication number of CN218874486U discloses a precision part milling machine processing clamping device, which comprises a milling machine fixture, wherein round holes are formed in two clamp bodies of the milling machine fixture, round rods are arranged in the round holes in a penetrating manner, the peripheral walls of the round rods are in contact with the inner walls of the corresponding round holes, a jaw is arranged at one end of each round rod, the jaw and the corresponding round rod are integrally cast, a sliding groove is formed in the middle position of each round rod, and a push rod is arranged in the sliding groove in a sliding manner. The utility model relates to the technical field of milling machines. According to the milling machine fixture, the driving assembly, the positioning assembly and the adjusting assembly are matched with each other, so that the fixture jaw and the milling machine fixture body can be fixed or detached, the adjustment of the jaw inclination angle can be synchronously completed, a tool is not required, the disassembly and assembly operation between the fixture body and the jaw is simple, and the disassembly and assembly of the jaw due to the fixture body are convenient.

Therefore, aiming at the situation that the common clamp used by the milling machine is difficult to stably clamp the cylindrical part, a novel clamping device is developed, workpieces with different shapes can be switched to use by utilizing the clamping device with the planar clamping assembly and the curved clamping assembly, and the clamping effect on the cylindrical workpiece is good.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a milling machine clamping device for processing a cylindrical object, which aims to solve the technical problem that the existing milling machine clamp is difficult to stably clamp a cylindrical workpiece.

(2) Technical proposal

In order to solve the technical problems, the utility model provides the milling machine clamping device for processing the cylindrical object, which comprises a clamp base and a rotary table arranged at the upper end of the clamp base, wherein a rack is arranged in the middle of the upper end of the rotary table, a movable shaft opening is formed in the middle of the clamp base, a movable shaft post is arranged at the lower end of the rotary table, the movable shaft post is movably connected to the inner side of the movable shaft opening, clamping sleeves are fixedly connected to the left side and the right side of the upper end of the rack, a plane clamping piece is arranged on the left side of the rack, a curved clamping rod is arranged on the right side of the rack, a clamping rod is arranged at one end of the curved clamping rod opposite to the plane clamping piece, and one end of the clamping rod is arranged at the inner side of the clamping sleeve.

When the clamping device for the milling machine for processing the cylindrical object is used, a user installs two groups of devices on the milling machine tool, then pulls a handle upwards to enable a locking bolt to be separated from a first through hole on a clamp base, then horizontally rotates a rotary table to enable curved clamping rods on two clamps to be opposite, a cylindrical workpiece is placed between the two clamps, the clamp base moves oppositely through a slidable groove body structure on the milling machine tool to enable the curved clamping rods to be extruded on the surface of the workpiece, the outer wall of the workpiece is abutted and locked by utilizing cylindrical rods which are parallel to each other, and then the milling machine is controlled to process the workpiece; if the workpieces with other shapes need to be processed, the rotary table is rotated in the mode, the plane clamping pieces are opposite, and the moving clamp locks the workpieces.

Further, the assembly hole that vertically link up has been seted up to the revolving stage upper end, activity spliced pole upper end fixedly connected with assembly pole, the assembly pole set up in the inside of assembly hole, assembly hole and assembly pole are three department of triangle distribution all, lock revolving stage and activity spliced pole after vertical grafting.

Furthermore, the connector has been seted up in the middle of the revolving stage upper end, the connecting seat is installed to the rack lower extreme, the connecting seat set up in the connector is inboard, and connecting seat and connector design are the structure of cross type mutual adaptation, and vertical grafting prevents that the rack from rotating relative to the revolving stage, also can design into other structures that have the level spacing effect in the in-service use.

Further, the locking hole has been seted up to the symmetry around the revolving stage upper end, the through-hole has been seted up to the symmetry around the anchor clamps base upper end, the locking hole with be provided with the locking bolt between the through-hole inboard, the locking bolt vertically inserts locking hole and through-hole, with revolving stage and anchor clamps base relatively fixed, prevent that the revolving stage from rotating when the centre gripping work piece from leading to the work piece to drop.

Further, a spring is arranged between the enlarged end of the upper end of the locking bolt and the upper end of the rotary table, a vertical frame is arranged at the upper end of the locking bolt, a handle is arranged between the upper ends of the vertical frames, the spring has elastic shrinkage characteristics, the locking bolt is pulled into the locking hole, and the handle and the vertical frame form a U-shaped portal frame, so that the user can conveniently hold the locking bolt.

Further, two through holes are formed in the front end and the rear end of the clamping sleeve, a jack communicated with the two through holes is formed in the surface of the clamping rod, a plug is arranged between the two through holes and the inner side of the jack, the clamping rod can rotate ninety degrees when the clamping sleeve is meshed, the plane clamping piece and the curved clamping rod are enabled to be in a vertical state from a horizontal state, workpieces in different placing states can be clamped and locked, and the clamping rod and the clamping sleeve can be locked after the plug is inserted into the two through holes and the jack.

Further, the left end of the plane clamping piece is provided with a gasket, the outer side of the curved clamping rod is provided with a pad sleeve, the plane clamping piece and the curved clamping rod are arranged above the rotary table, the gasket and the pad sleeve are made of flexible fabric materials or silica gel materials, the surface is rough, friction force between the gasket and a workpiece is increased, and the clamping effect is more stable.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the milling machine workpiece clamping mechanism with the plane clamping piece and the curved surface clamping rod can be used in a switching manner, so that a workpiece with a flat surface or a workpiece with a cylindrical curved surface structure can be clamped stably, the clamping effect is good, and the use is flexible; the plane clamping piece and the curved surface clamping rod can be changed into a longitudinal direction from a transverse direction through manual rotation, so that workpieces placed in different states are clamped, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of a milling machine clamping device for processing cylindrical objects in accordance with the present utility model;

FIG. 2 is a schematic view of a fixture base structure of an embodiment of a clamping device for a milling machine for processing cylindrical objects according to the present utility model;

FIG. 3 is a schematic view of a turntable in a milling machine for processing cylindrical objects according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a planar clamping piece and a curved clamping rod according to an embodiment of the clamping device for a milling machine for processing a cylindrical object.

The marks in the drawings are: 1. a clamp base; 2. a movable shaft opening; 3. a rotary table; 4. a movable shaft column; 5. a stand; 6. a clamping sleeve; 7. a planar clamping piece; 8. a curved clamping rod; 9. a clamping rod; 10. a fitting hole; 11. assembling a rod; 12. a connection port; 13. a connecting seat; 14. a locking hole; 15. a first through hole; 16. a locking bolt; 17. a spring; 18. a vertical frame; 19. a handle; 20. a second through hole; 21. a jack; 22. a plug; 23. a gasket; 24. and a cushion cover.

Detailed Description

This embodiment is for processing cylindrical object milling machine clamping device, and its package structure schematic diagram is shown in fig. 1, and fixture base 1 structure schematic diagram is shown in fig. 2, and revolving stage 3 structure schematic diagram is shown in fig. 3, and plane grip tab 7 and curved surface grip lever 8 structure schematic diagram is shown in fig. 4, and this milling machine clamping device includes fixture base 1, set up in revolving stage 3 of fixture base 1 upper end, be provided with rack 5 in the middle of the revolving stage 3 upper end, movable shaft mouth 2 has been seted up in the middle of the fixture base 1, revolving stage 3 lower extreme is provided with movable shaft post 4, movable shaft post 4 swing joint in movable shaft mouth 2 is inboard, rack 5 upper end left and right sides fixedly connected with block solid cover 6, rack 5 left side is provided with plane grip tab 7, rack 5 right side is provided with curved surface grip lever 8, plane grip tab 7 with curved surface grip lever 8 subtend installs block solid pole 9, block solid pole 9 one end set up in block solid cover 6 is inboard.

For this embodiment, the clamping device in this scheme is installed and uses on the lathe of milling machine, has the mounting plane with this anchor clamps looks adaptation on the lathe, and milling machine cutter is in the contralateral of this mounting plane, and has the notch on the plane and can adjust the position of anchor clamps, and in the in-service use, there are two symmetrical groups like the structure that the drawing shows in the scheme, and two groups of structure subtend removal is with the work piece clamp, because this scheme is aimed at making the improvement design to milling machine anchor clamps, so the lathe structure of milling machine is not described in detail here again, specifically can use model CTZX45 desk-top milling machine or XA5032 vertical milling machine.

The upper end of the rotary table 3 is provided with a longitudinally through assembly hole 10, the upper end of the movable shaft column 4 is fixedly connected with an assembly rod 11, the assembly rod 11 is arranged on the inner side of the assembly hole 10, a connecting port 12 is arranged in the middle of the upper end of the rotary table 3, a connecting seat 13 is arranged at the lower end of the rack 5, the connecting seat 13 is arranged on the inner side of the connecting port 12, the assembly hole 10 and the assembly rod 11 are distributed in a triangular shape, the rotary table 3 and the movable shaft column 4 are locked after being longitudinally inserted, the connecting seat 13 and the connecting port 12 are designed into a cross-shaped mutually-matched structure, the rack 5 is prevented from rotating relative to the rotary table 3 through longitudinal insertion, and other structures with a horizontal limiting function can be designed in actual use.

Meanwhile, the locking holes 14 are formed in the front and back of the upper end of the rotating table 3, the first through holes 15 are formed in the front and back of the upper end of the clamp base 1, the locking bolts 16 are arranged between the locking holes 14 and the inner sides of the first through holes 15, springs 17 are arranged between the enlarged ends of the upper ends of the locking bolts 16 and the upper ends of the rotating table 3, the vertical frames 18 are arranged at the upper ends of the locking bolts 16, handles 19 are arranged between the upper ends of the vertical frames 18, the locking bolts 16 are longitudinally inserted into the locking holes 14 and the first through holes 15, the rotating table 3 and the clamp base 1 are relatively fixed, the rotating table 3 is prevented from rotating to cause the workpiece to drop when clamping the workpiece, the springs 17 have elastic shrinkage characteristics, the locking bolts 16 are pulled into the locking holes 14, the handles 19 and the vertical frames 18 form a U-shaped portal, and a user can conveniently hold the portal.

In addition, two through holes 20 are formed in the front end and the rear end of the clamping sleeve 6, a jack 21 communicated with the two through holes 20 is formed in the surface of the clamping rod 9, a plug 22 is arranged between the two through holes 20 and the inner side of the jack 21, a gasket 23 is arranged at the left end of the plane clamping piece 7, a cushion sleeve 24 is arranged on the outer side of the curved clamping rod 8, the plane clamping piece 7 and the curved clamping rod 8 are arranged above the rotating table 3, the clamping rod 9 can rotate ninety degrees in the clamping sleeve 6, the plane clamping piece 7 and the curved clamping rod 8 are changed from a horizontal state to a vertical state, workpieces with different placing states can be clamped and locked, the plug 22 can be inserted into the two through holes 20 and the jack 21 to lock the clamping rod 9 and the clamping sleeve 6, the gasket 23 and the cushion sleeve 24 are made of flexible fabric materials or silica gel materials, the surface is increased, friction force between the clamping rod and the workpieces is rough, and the clamping effect is more stable.

When the clamping device for the milling machine for processing the cylindrical object is used, a user installs two groups of devices on the milling machine, pulls the handle 19 upwards to enable the locking bolt 16 to be separated from the first through hole 15 on the clamp base 1, horizontally rotates the rotary table 3 to enable the curved surface clamping rods 8 on the two clamps to be opposite, places the cylindrical workpiece between the two clamps, enables the clamp base 1 to move oppositely through a slidable groove body structure on the milling machine, enables the curved surface clamping rods 8 to be extruded on the surface of the workpiece, enables the outer wall of the workpiece to be abutted and locked by utilizing the cylindrical rods which are parallel to each other, and then controls the milling machine to process the workpiece; if a workpiece of another shape is to be machined, the rotary table 3 is rotated in the above manner so that the flat clamping pieces 7 are opposed to each other, and the moving jig locks the workpiece.

Claims

1. The milling machine clamping device comprises a clamp base and a rotary table arranged at the upper end of the clamp base, wherein a rack is arranged in the middle of the upper end of the rotary table; the clamp is characterized in that a movable shaft opening is formed in the middle of the clamp base, a movable shaft post is arranged at the lower end of the rotary table, the movable shaft post is movably connected to the inner side of the movable shaft opening, clamping sleeves are fixedly connected to the left side and the right side of the upper end of the rack, a plane clamping piece is arranged on the left side of the rack, a curved surface clamping rod is arranged on the right side of the rack, a clamping rod is arranged at one opposite end of the plane clamping piece and the curved surface clamping rod, and one end of the clamping rod is arranged on the inner side of the clamping sleeve.

2. The clamping device for the milling machine for machining cylindrical objects according to claim 1, wherein a longitudinally through assembly hole is formed in the upper end of the rotary table, an assembly rod is fixedly connected to the upper end of the movable shaft column, and the assembly rod is arranged on the inner side of the assembly hole.

3. The clamping device for a milling machine for processing cylindrical objects according to claim 1, wherein a connecting port is formed in the middle of the upper end of the rotary table, a connecting seat is mounted at the lower end of the rack, and the connecting seat is arranged on the inner side of the connecting port.

4. The clamping device for the milling machine for machining cylindrical objects according to claim 1, wherein locking holes are symmetrically formed in the front and back of the upper end of the rotary table, a first through hole is symmetrically formed in the front and back of the upper end of the clamp base, and locking bolts are arranged between the locking holes and the inner sides of the first through hole.

5. The clamping device for a milling machine for processing cylindrical objects according to claim 4, wherein a spring is installed between the enlarged end of the upper end of the locking bolt and the upper end of the rotary table, a stand is installed at the upper end of the locking bolt, and a handle is installed between the upper ends of the stand.

6. The clamping device for the milling machine for processing cylindrical objects according to claim 1, wherein the front end and the rear end of the clamping sleeve are respectively provided with a second through hole, the surface of the clamping rod is provided with a jack communicated with the second through holes, and a plug is arranged between the second through holes and the inner sides of the jacks.

7. The clamping device for the milling machine for machining cylindrical objects according to claim 1, wherein a gasket is arranged at the left end of the planar clamping piece, a cushion sleeve is arranged on the outer side of the curved clamping rod, and the planar clamping piece and the curved clamping rod are arranged above the rotary table.