CN215469610U

CN215469610U - Milling machine fixture

Info

Publication number: CN215469610U
Application number: CN202120897591.2U
Authority: CN
Inventors: 王建军; 马前; 马攀; 王军
Original assignee: Xiangyang Sanjin Henggang Mould Technology Co Ltd
Current assignee: Xiangyang Sanjin Henggang Mould Technology Co Ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-01-11
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to the technical field of milling machine fixtures, and discloses a milling machine fixture which comprises a chassis, wherein a rack is fixedly arranged on the upper surface of the chassis, a movable groove is formed in the rack, and a transmission rod bracket is fixedly arranged in the middle of the lower surface of the movable groove; the utility model has the following advantages and effects: the first transmission rod and the first sliding block are provided with left-handed threads, the second transmission rod and the second sliding block are provided with right-handed threads, so that the first clamping block and the second clamping block move oppositely to clamp a workpiece to be machined when the handle is adjusted leftwards, and the workpiece to be machined is loosened when the handle is adjusted rightwards. Through setting up first tapered roller bearing and second tapered roller bearing, realize that first clamp splice and second clamp splice can carry out normal clamping work piece function to can adjust the work piece and regard as the face of treating processing with other faces of work piece after the clamping is good, can realize processing the front and turn to the back processing after processing deep through-hole.

Description

Milling machine fixture

Technical Field

The utility model relates to the technical field of milling machine fixtures, in particular to a milling machine fixture.

Background

Milling machine fixture mainly used processing plane, recess, spline and various shaping faces on the part, be one of the anchor clamps of using most commonly, milling machine fixture at present stage centre gripping work piece after can only accurate location one face, but need process the work piece tow sides respectively and reach the high accuracy requirement when work piece processing deep through-hole, need change when processing one side processing deep hole alone and add elongated milling cutter, the machining precision is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a milling machine fixture which has the effects that the front and back sides of a clamped workpiece can be exchanged and the positioning precision is not reduced.

The technical purpose of the utility model is realized by the following technical scheme: a milling machine fixture comprises a chassis, a rack is fixedly mounted on the upper surface of the chassis, a movable groove is formed in the rack, a transmission rod support is fixedly mounted in the middle of the lower surface of the movable groove, a cylindrical roller bearing is fixedly mounted in the transmission rod support, a connecting rod is fixedly mounted on the inner surface of the cylindrical roller bearing, a first transmission rod is fixedly mounted at one end of the connecting rod, a second transmission rod is fixedly mounted at the other end of the connecting rod, a first sliding block is in threaded connection with one end of the first transmission rod and is in sliding connection with the inside of the movable groove, a second sliding block is in threaded connection with one end of the second transmission rod and is in sliding connection with the movable groove, a first supporting plate is fixedly mounted on the upper surface of the first sliding block, and a second supporting plate is fixedly mounted on the upper surface of the second sliding block, the inside fixed mounting of first backup pad has first tapered roller bearing, the inside fixed mounting of second backup pad has second tapered roller bearing, first tapered roller bearing's internal surface fixed mounting has first clamp splice, second tapered roller bearing's internal surface fixed mounting has the second clamp splice.

By adopting the technical scheme, the first clamping block and the second clamping block can normally clamp the workpiece, the workpiece can be adjusted to take other surfaces of the workpiece as surfaces to be machined after clamping is well carried out, and the front surface can be machined and then the back surface can be machined when deep through holes are machined.

The utility model is further provided with: one side fixed mounting of second clamp splice has the adjustment disk, the fixed surface of adjustment disk installs the arrow point, one side fixed mounting of second backup pad has the calibrated scale.

By adopting the technical scheme, the angle of adjustment can be accurately controlled when the workpiece to be machined is adjusted.

The utility model is further provided with: the center of the top of the first supporting plate is provided with a first positioning hole, and the center of the top of the second supporting plate is provided with a second positioning hole.

By adopting the technical scheme, the center point between the first clamping block and the second clamping block can be easily found by arranging the first positioning hole and the second positioning hole, the center of the connecting line of the first positioning hole and the second positioning hole is the center point, and the center point is unchanged when the adjusting disc is rotated randomly.

The utility model is further provided with: the front of the adjusting disc is provided with an adjusting hole, one side of the second supporting plate is fixedly provided with a locking support, the front of the locking support is provided with a threaded hole, the inner thread of the threaded hole is connected with a locking rod, one end of the locking rod is matched with the adjusting hole, and the other end of the locking rod is fixedly provided with a handle.

By adopting the technical scheme, the problem of fixing the adjusting disc after the angle is adjusted is solved, and the adjusting disc is fixed, namely the second clamping block is fixed, so that the workpiece to be processed is fixed.

The utility model is further provided with: the upper surface of the chassis is provided with four fixing holes, and the four fixing holes are arranged on the upper surface of the chassis in a rectangular array mode.

By adopting the technical scheme, the device can be conveniently fixed on the table board of the milling machine.

The utility model is further provided with: the outer surface of the first transmission rod is provided with left-handed threads, the outer surface of the second transmission rod is provided with right-handed threads, and one end of the second transmission rod is fixedly provided with an adjusting handle.

Through adopting above-mentioned technical scheme, first clamp splice and second clamp splice move in opposite directions when having realized the levogyration and having adjusted the handle and press from both sides tight work piece of treating processing, loosen the work piece of treating processing when dextrorotation is adjusted the handle.

The utility model has the beneficial effects that:

1. in the utility model, the first transmission rod and the first slide block are provided with left-handed threads, and the second transmission rod and the second slide block are provided with right-handed threads, so that the first clamping block and the second clamping block move oppositely to clamp the workpiece to be processed when the handle is adjusted leftwards, and the workpiece to be processed is loosened when the handle is adjusted rightwards, the first tapered roller bearing and the second tapered roller bearing are arranged to realize the normal workpiece clamping function of the first clamping block and the second clamping block, and the other surfaces of the workpiece can be adjusted to be used as the surfaces to be processed after the workpiece is clamped, the front face can be machined and the back face can be machined when the deep through hole is machined, the first tapered roller bearing and the second tapered roller bearing have better compressive strength when a workpiece is clamped, and the phenomenon that the first tapered roller bearing and the second tapered roller bearing are damaged by clamping force is avoided.

2. According to the utility model, the adjustment angle can be accurately controlled when the workpiece to be processed is adjusted by arranging the dial and the arrow in a matching manner, the center point between the first clamping block and the second clamping block can be easily found by arranging the first positioning hole and the second positioning hole, the center of the connecting line of the first positioning hole and the second positioning hole is the center point, and the position of the center point is unchanged when the adjusting disc is rotated randomly. The problem of fixing the adjusting disc after the angle of the workpiece to be machined is adjusted is solved by the adaptability of the locking rod and the adjusting hole, and the adjusting disc is fixed, namely the second clamping block is fixed, so that the workpiece to be machined is fixed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a cylindrical roller bearing according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is a schematic view of a locking lever according to the present invention.

In the figure, 1, a chassis; 2. a frame; 3. a movable groove; 4. a transmission rod bracket; 5. a cylindrical roller bearing; 6. a connecting rod; 7. a first drive lever; 8. a second transmission rod; 9. a first slider; 10. a second slider; 11. a first support plate; 12. a second support plate; 13. a first tapered roller bearing; 14. a second tapered roller bearing; 15. a first clamping block; 16. a second clamp block; 17. a first positioning hole; 18. a second positioning hole; 19. an adjusting disk; 20. an arrow; 21. a dial scale; 22. an adjustment hole; 23. a locking bracket; 24. a locking lever; 25. a handle; 26. a fixing hole; 27. and adjusting the handle.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1-4, a milling machine fixture comprises a chassis 1, wherein the upper surface of the chassis 1 is provided with four fixing holes 26, the number of the fixing holes 26 is four, the four fixing holes 26 are arranged on the upper surface of the chassis 1 in a rectangular array form, so that the milling machine fixture can be conveniently fixed on a table board of a milling machine, the upper surface of the chassis 1 is fixedly provided with a rack 2, the inside of the rack 2 is provided with a movable groove 3, the middle part of the lower surface of the movable groove 3 is fixedly provided with a transmission rod bracket 4, the inside of the transmission rod bracket 4 is fixedly provided with a cylindrical roller bearing 5, the inner surface of the cylindrical roller bearing 5 is fixedly provided with a connecting rod 6, one end of the connecting rod 6 is fixedly provided with a first transmission rod 7, the other end of the connecting rod 6 is fixedly provided with a second transmission rod 8, one end of the first transmission rod 7 is in threaded connection with a first slide block 9, the first slide block 9 is in the movable groove 3, one end of the second transmission rod 8 is in threaded connection with a second slide block 10, the second slide block 10 is in sliding connection with the movable groove 3, a first support plate 11 is fixedly installed on the upper surface of the first slide block 9, a second support plate 12 is fixedly installed on the upper surface of the second slide block 10, a first tapered roller bearing 13 is fixedly installed inside the first support plate 11, a second tapered roller bearing 14 is fixedly installed inside the second support plate 12, a first clamping block 15 is fixedly installed on the inner surface of the first tapered roller bearing 13, a second clamping block 16 is fixedly installed on the inner surface of the second tapered roller bearing 14, a first positioning hole 17 is formed in the center of the top of the first support plate 11, a second positioning hole 18 is formed in the center of the top of the second support plate 12, and the center point between the first clamping block 15 and the second clamping block 16 can be easily found by arranging the first positioning hole 17 and the second positioning hole 18, the center of the connecting line of the first positioning hole 17 and the second positioning hole 18 is a central point, and the central point is unchanged when the adjusting disc 19 is rotated randomly, the adjusting disc 19 is fixedly installed on one side of the second clamping block 16, an arrow 20 is fixedly installed on the outer surface of the adjusting disc 19, a dial 21 is fixedly installed on one side of the second supporting plate 12, so that the angle of adjustment can be accurately controlled when a workpiece to be processed is adjusted, the adjusting hole 22 is formed in the front surface of the adjusting disc 19, the locking bracket 23 is fixedly installed on one side of the second supporting plate 12, the threaded hole is formed in the front surface of the locking bracket 23, the locking rod 24 is connected with the internal thread of the threaded hole through a locking thread, one end of the locking rod 24 is matched with the adjusting hole 22, the handle 25 is fixedly installed at the other end of the locking rod 24, so that the problem of fixing the adjusting disc 19 after the angle is adjusted is solved, and the second clamping block 16 is fixed on the adjusting disc 19, the workpiece to be processed is fixed.

In the utility model, a worker takes the clamp on the table board of the milling machine, fixes the clamp on a T-shaped groove of the milling machine through a bolt, then the milling machine is replaced with a positioning tool bit to position through a debugging machine which is in contact with the first positioning hole 17 and the second positioning hole 18, the workpiece to be processed is placed between the first clamping block 15 and the second clamping block 16 after the handle 27 is adjusted rightwards, the workpiece to be processed is clamped by the left-handed adjusting handle 27 for processing, after the front surface of the workpiece to be processed is processed to a certain depth, the handle 25 is unscrewed, the adjusting disc 19 is rotated by 180 degrees, then the handle 25 is screwed down, so that the back surface of the workpiece to be processed can be processed, the left-handed threads are arranged on the first transmission rod 7 and the first sliding block 9, the right-handed threads are arranged on the second transmission rod 8 and the second sliding block 10, so that the first clamping block 15 and the second clamping block 16 move oppositely to clamp a workpiece to be machined when the handle 27 is adjusted leftwards, and the workpiece to be machined is loosened when the handle 27 is adjusted rightwards. Through setting up first tapered roller bearing 13 and second tapered roller bearing 14, realize that first clamp splice 15 and second clamp splice 16 can carry out normal clamping work piece function, and can adjust the work piece after the clamping is good and regard as the face of treating processing with the other faces of work piece, can realize processing the front face when processing deep through hole and turn to back processing, and first tapered roller bearing 13 and second tapered roller bearing 14 have better compressive strength when the state of holding the work piece with clamping, be unlikely to the phenomenon that the clamping makes first tapered roller bearing 13 and second tapered roller bearing 14 damage hard, can accurately control the angle of regulation when realizing adjusting the work piece of treating processing through setting up calibrated scale 21 and arrow 20 cooperation. The center point between the first clamping block 15 and the second clamping block 16 can be easily found by providing the first positioning hole 17 and the second positioning hole 18, the center point is the center point of the line connecting the first positioning hole 17 and the second positioning hole 18, and the position of the center point is not changed when the adjusting disk 19 is rotated freely. The problem of fixing the adjusting disc 19 after the angle of the workpiece to be processed is adjusted is solved by the arrangement of the locking rod 24 and the adaptability of the adjusting hole 22, and the fixing of the adjusting disc 19 is to fix the second clamping block 18, so that the workpiece to be processed is fixed.

Claims

1. A milling machine fixture, includes chassis (1), its characterized in that: the upper surface of the chassis (1) is fixedly provided with a rack (2), a movable groove (3) is formed in the rack (2), a transmission rod support (4) is fixedly arranged in the middle of the lower surface of the movable groove (3), a cylindrical roller bearing (5) is fixedly arranged in the transmission rod support (4), a connecting rod (6) is fixedly arranged on the inner surface of the cylindrical roller bearing (5), a first transmission rod (7) is fixedly arranged at one end of the connecting rod (6), a second transmission rod (8) is fixedly arranged at the other end of the connecting rod (6), a first slider (9) is in threaded connection with one end of the first transmission rod (7), the first slider (9) is in sliding connection with the movable groove (3), a second slider (10) is in threaded connection with one end of the second transmission rod (8), and the second slider (10) is in sliding connection with the movable groove (3), the last fixed surface of first slider (9) installs first backup pad (11), the last fixed surface of second slider (10) installs second backup pad (12), the inside fixed mounting of first backup pad (11) has first tapered roller bearing (13), the inside fixed mounting of second backup pad (12) has second tapered roller bearing (14), the internal surface fixed mounting of first tapered roller bearing (13) has first clamp splice (15), the internal surface fixed mounting of second tapered roller bearing (14) has second clamp splice (16).

2. A milling machine fixture according to claim 1, wherein: one side fixed mounting of second clamp splice (16) has adjusting disk (19), the surface fixed mounting of adjusting disk (19) has arrow (20), one side fixed mounting of second backup pad (12) has calibrated scale (21).

3. A milling machine fixture according to claim 1, wherein: the center of the top of the first supporting plate (11) is provided with a first positioning hole (17), and the center of the top of the second supporting plate (12) is provided with a second positioning hole (18).

4. A milling machine fixture according to claim 2, wherein: adjusting hole (22) have been seted up in the front of adjustment disk (19), one side fixed mounting of second backup pad (12) has locking support (23), the screw hole has been seted up in the front of locking support (23), the internal thread of screw hole is connected with locking lever (24), the one end and the adjusting hole (22) looks adaptation of locking lever (24), the other end fixed mounting of locking lever (24) has handle (25).

5. A milling machine fixture according to claim 1, wherein: the upper surface of the chassis (1) is provided with four fixing holes (26), and the four fixing holes (26) are arranged on the upper surface of the chassis (1) in a rectangular array mode.

6. A milling machine fixture according to claim 1, wherein: the outer surface of the first transmission rod (7) is provided with left-handed threads, the outer surface of the second transmission rod (8) is provided with right-handed threads, and one end of the second transmission rod (8) is fixedly provided with an adjusting handle (27).