CN215616581U

CN215616581U - Fixture for machining lifting flange hole

Info

Publication number: CN215616581U
Application number: CN202121954127.9U
Authority: CN
Inventors: 张玉新
Original assignee: Beijing Guotie United Technology Co ltd
Current assignee: Beijing Guotie United Technology Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-01-25
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses a fixture for processing a lifting flange hole, which relates to the technical field of metal processing and aims at solving the problem of unstable clamping, the following proposal is provided, the fixture comprises a guide rail, a boring mechanism is arranged at one side of the guide rail, a fixed sleeve is fixedly connected at the upper side of the guide rail, a transmission shaft is rotatably connected at the inner side of the fixed sleeve, a rotating mechanism is connected on the transmission shaft, a guide bracket is fixedly connected at one side of the fixed sleeve, a hemispherical block is connected at one side of the guide bracket, a guide wheel which is in sliding connection with the hemispherical block is fixedly sleeved on the transmission shaft, and a fixture body is fixedly connected at one end of the transmission shaft. The processing efficiency is improved, and the use is convenient.

Description

Fixture for machining lifting flange hole

Technical Field

The utility model relates to the technical field of metal processing, in particular to a clamp for processing a lifting flange hole.

Background

The hole boring refers to further processing of forged, cast or drilled holes, and can enlarge the aperture, improve the precision, reduce the surface roughness and better correct the deviation of the original hole axis.

Generally, a workpiece needs to be clamped and fixed in boring of the workpiece, an existing clamp generally uses a universal clamp, clamping of the workpiece in a certain specific shape is unstable, vibration is easy to occur, and the precision of a bored flange hole is reduced, so that the clamp for machining the flange hole is needed at present.

SUMMERY OF THE UTILITY MODEL

The clamp for processing the lifting flange hole provided by the utility model solves the problem of unstable clamping.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a clamp for machining a lifting flange hole comprises a guide rail, wherein a boring mechanism is arranged on one side of the guide rail, a fixed sleeve is fixedly connected to the upper side of the guide rail, a transmission shaft is rotatably connected to the inner side of the fixed sleeve, a rotating mechanism is connected to the transmission shaft, a guide support is fixedly connected to one side of the fixed sleeve, a hemispherical block is connected to one side of the guide support, a guide wheel in sliding connection with the hemispherical block is fixedly sleeved on the transmission shaft, a clamp body is fixedly connected to one end of the transmission shaft, a square groove is formed in one side of the clamp body, a workpiece is arranged on the inner side of the square groove, a positioning screw matched with the workpiece is in threaded connection with the upper side of the clamp body, a side positioning screw abutted against the workpiece is in threaded connection with the side of the clamp body, two pressing plates which are symmetrical to each other are connected to one side of the clamp body, and are both in contact with the side of the workpiece, and end face positioning screws in threaded connection with the clamp bodies are arranged on one sides of the two pressing plates.

Preferably, slewing mechanism include with fixed cover upside fixed connection's second motor, the output fixedly connected with driving gear of second motor, the downside meshing of driving gear has the driven gear who cup joints with the transmission shaft is fixed.

Preferably, the boring mechanism comprises a first motor fixedly connected with the guide rail, an output end of the first motor is fixedly connected with a threaded rod rotatably connected with the inner side of the guide rail, a threaded sleeve slidably connected with the guide rail is sleeved on the threaded rod in a threaded manner, a spindle box slidably connected with the upper side of the guide rail is fixedly connected with the upper side of the threaded sleeve, a clamping box is fixedly connected with one side of the spindle box, and a drill rod is installed on one side of the clamping box.

Preferably, the upper side of the guide rail is provided with a sliding chute in sliding connection with the spindle box, and the bottom of the guide rail is fixedly connected with a plurality of bases.

Preferably, the upside of fixed cover rotates and is connected with runing rest, runing rest's one end downside fixedly connected with gooseneck, the lower extreme fixedly connected with light of gooseneck.

Preferably, the side wall of the clamp body is provided with a side groove matched with the side positioning screw, and the clamp body is arranged to be a cylinder.

The utility model has the beneficial effects that:

1. through putting into the square groove the inside with the work piece, then through rotatory upper end set screw and side set screw, just can make the upper end and the side of work piece fix a position, then with one side and the work piece contact of clamp plate, then through terminal surface set screw with the clamp body coupling together, make the three face of work piece carry out the centre gripping location simultaneously, can improve the stability of work piece centre gripping, prevent that the work piece from taking place to rock when rotatory, make the flange hole precision that work piece goes out reduce, improve machining efficiency.

2. Drive the driving gear through the second motor and rotate, and then make the driven gear of downside rotate, it rotates to drive the transmission shaft, make the anchor clamps body of transmission shaft one end rotate, just can realize the rotation of work piece, make drilling rod infeed, compare with current vertical drilling rod, it is rotatory to need the drilling rod, make the drilling rod rotatory in easily, take place to rock, make the drilling precision reduce, through hemisphere piece and leading wheel, can be so that the center pin of transmission shaft is in the horizontal plane all the time, improve the rotatory stability of work piece, reduce the displacement of rocking.

Drawings

FIG. 1 is a general schematic view of a fixture body for lifting flange hole machining according to the present invention;

FIG. 2 is a schematic sectional view of a lifting flange hole machining fixture according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of the lifting flange hole machining fixture provided by the utility model.

Reference numbers in the figures: 1. a clamp body; 2. an upper end positioning screw; 3. an end face positioning screw; 4. pressing a plate; 5. a workpiece; 6. a side set screw; 7. a main spindle box; 8. a first motor; 9. a threaded sleeve; 10. a threaded rod; 11. a guide rail; 12. fixing a sleeve; 13. a driven gear; 14. a second motor; 15. a driving gear; 16. rotating the bracket; 17. a guide bracket; 18. an illuminating lamp; 19. a gooseneck; 20. a drill stem; 21. a clamping box; 22. a drive shaft; 23. a guide wheel; 24. A hemispherical block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a jig for processing a lifting flange hole comprises a guide rail 11, a boring mechanism is arranged on one side of the guide rail 11, a fixed sleeve 12 is fixedly connected to the upper side of the guide rail 11, a transmission shaft 22 is rotatably connected to the inner side of the fixed sleeve 12, a rotating mechanism is connected to the transmission shaft 22, a guide bracket 17 is fixedly connected to one side of the fixed sleeve 12, a hemispherical block 24 is connected to one side of the guide bracket 17, a guide wheel 23 slidably connected to the hemispherical block 24 is fixedly sleeved on the transmission shaft 22, a clamp body 1 is fixedly connected to one end of the transmission shaft 22, a square groove is formed in one side of the clamp body 1, a workpiece 5 is arranged on the inner side of the square groove, an upper end positioning screw 2 matched with the workpiece 5 is in threaded connection with the upper side of the clamp body 1, a side surface positioning screw 6 abutted against the workpiece 5 is in threaded connection with the side surface of the clamp body 1, two pressing plates 4 which are symmetrical to each other are connected to one side of the clamp body 1, one side of each of the two pressing plates 4 is in contact with the side face of a workpiece 5, an end face positioning screw 3 in threaded connection with the clamp body 1 is installed on one side of each of the two pressing plates 4, the workpiece 5 is placed in the square groove, then the upper end positioning screw 2 and the side face positioning screw 6 are rotated to position the upper end and the side face of the workpiece 5, then one side of each of the pressing plates 4 is in contact with the workpiece 5, then the pressing plates 4 are connected with the clamp body 1 through the end face positioning screws 3, so that three faces of the workpiece 5 are clamped and positioned simultaneously, the clamping stability of the workpiece 5 can be improved, the workpiece 5 is prevented from shaking when rotating, the precision of a flange hole formed in the workpiece 5 is reduced, the machining efficiency is improved, the central shaft of the transmission shaft 22 can be always positioned in the horizontal plane through the hemispherical block 24 and the guide wheel 23, and the rotating stability of the workpiece 5 is improved, reducing the displacement of the wobble.

Slewing mechanism includes the second motor 14 with fixed cover 12 upside fixed connection, the output fixedly connected with driving gear 15 of second motor 14, the downside meshing of driving gear 15 has the driven gear 13 with the fixed cup joint of transmission shaft 22, drive driving gear 15 through second motor 14 and rotate, and then make driven gear 13 of downside rotate, it rotates to drive transmission shaft 22, make the anchor clamps body 1 of transmission shaft 22 one end rotate, just can realize the rotation of work piece 5, make drilling rod 20 transverse feed, compare with current vertical drilling rod, it is rotatory to need the drilling rod, make the drilling rod rotatory in the time of the rotation easily, take place to rock, make the drilling precision reduce.

The boring mechanism comprises a first motor 8 fixedly connected with a guide rail 11, an output end of the first motor 8 is fixedly connected with a threaded rod 10 rotatably connected with the inner side of the guide rail 11, a threaded sleeve 9 slidably connected with the guide rail 11 is sleeved on the threaded rod 10 in a threaded manner, a spindle box 7 slidably connected with the upper side of the guide rail 11 is fixedly connected with the upper side of the threaded sleeve 9, a clamping box 21 is fixedly connected with one side of the spindle box 7, and a drill rod 20 is installed on one side of the clamping box 21.

The upper side of the guide rail 11 is provided with a sliding chute which is in sliding connection with the spindle box 7, and the bottom of the guide rail 11 is fixedly connected with a plurality of bases.

The upside of fixed cover 12 rotates and is connected with runing rest 16, and runing rest 16's one end downside fixedly connected with gooseneck 19, and the lower extreme fixedly connected with light 18 of gooseneck 19 can carry out the light filling through light 18, improves the performance of operation.

The side wall of the clamp body 1 is provided with a side groove matched with the side positioning screw 6, and the clamp body 1 is a cylinder.

The working principle is as follows: the workpiece 5 is placed in the square groove, then the upper end and the side surface of the workpiece 5 can be positioned by rotating the upper end positioning screw 2 and the side surface positioning screw 6, then one side of the pressing plate 4 is contacted with the workpiece 5, then the pressing plate 4 is connected with the clamp body 1 through the end surface positioning screw 3, three surfaces of the workpiece 5 are clamped and positioned simultaneously, the stability of clamping the workpiece 5 can be improved, the workpiece 5 is prevented from shaking when rotating, the precision of a flange hole formed by the workpiece 5 is reduced, the processing efficiency is improved, the driving gear 15 is driven to rotate through the second motor 14, the driven gear 13 on the lower side is further driven to rotate, the transmission shaft 22 is driven to rotate, the clamp body 1 at one end of the transmission shaft 22 is driven to rotate, the rotation of the workpiece 5 can be realized, the drill rod 20 is transversely fed, compared with the existing vertical drill rod, the drill rod is required to rotate, the drill rod is easy to shake when rotating, drilling precision is reduced, the central shaft of the transmission shaft 22 can be always located in the horizontal plane through the hemispherical block 24 and the guide wheel 23, the rotating stability of the workpiece 5 is improved, and shaking displacement is reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a promote anchor clamps for processing of flange hole, includes guide rail (11), its characterized in that, one side of guide rail (11) is provided with boring hole mechanism, the upside fixedly connected with fixed cover (12) of guide rail (11), the inboard rotation of fixed cover (12) is connected with transmission shaft (22), be connected with slewing mechanism on transmission shaft (22), one side fixedly connected with guide bracket (17) of fixed cover (12), one side of guide bracket (17) is connected with hemisphere piece (24), the fixed leading wheel (23) that has and hemisphere piece (24) sliding connection that cup joints on transmission shaft (22), transmission shaft (22) one end fixedly connected with anchor clamps body (1), the square groove has been seted up to one side of anchor clamps body (1), the inboard of square groove is provided with work piece (5), the upside threaded connection of anchor clamps body (1) has upper end set screw (2) with work piece (5) matched with, the clamp is characterized in that a side surface of the clamp body (1) is in threaded connection with a side surface positioning screw (6) which is abutted against a workpiece (5), two pressing plates (4) which are symmetrical to each other are connected to one side of the clamp body (1), one sides of the two pressing plates (4) are in contact with the side surface of the workpiece (5), and an end surface positioning screw (3) which is in threaded connection with the clamp body (1) is installed to one side of the two pressing plates (4).

2. A lifting flange hole machining fixture as claimed in claim 1, characterized in that said rotating mechanism comprises a second motor (14) fixedly connected with the upper side of the fixed sleeve (12), the output end of said second motor (14) is fixedly connected with a driving gear (15), and the lower side of said driving gear (15) is engaged with a driven gear (13) fixedly sleeved with a transmission shaft (22).

3. The lifting flange hole machining clamp as claimed in claim 1, wherein the boring mechanism comprises a first motor (8) fixedly connected with a guide rail (11), a threaded rod (10) rotatably connected with the inner side of the guide rail (11) is fixedly connected to an output end of the first motor (8), a threaded sleeve (9) slidably connected with the guide rail (11) is sleeved on the threaded rod (10), a spindle box (7) slidably connected with the upper side of the guide rail (11) is fixedly connected to the upper side of the threaded sleeve (9), a clamping box (21) is fixedly connected to one side of the spindle box (7), and a drill rod (20) is mounted to one side of the clamping box (21).

4. The clamp for machining the lifting flange hole is characterized in that a sliding groove in sliding connection with the spindle box (7) is formed in the upper side of the guide rail (11), and a plurality of bases are fixedly connected to the bottom of the guide rail (11).

5. The lifting flange hole machining fixture as claimed in claim 1, wherein a rotary bracket (16) is rotatably connected to the upper side of the fixed sleeve (12), a gooseneck (19) is fixedly connected to the lower side of one end of the rotary bracket (16), and an illuminating lamp (18) is fixedly connected to the lower end of the gooseneck (19).

6. The clamp for machining the lifting flange hole is characterized in that a side groove matched with the side positioning screw (6) is formed in the side wall of the clamp body (1), and the clamp body (1) is arranged to be a cylinder.