CN219188662U

CN219188662U - Tool clamp of steel pipe turning and boring machine

Info

Publication number: CN219188662U
Application number: CN202320121781.4U
Authority: CN
Inventors: 袁旭
Original assignee: Wuhan Xinzheng Xude Machinery Equipment Manufacturing Co ltd
Current assignee: Wuhan Xinzheng Xude Machinery Equipment Manufacturing Co ltd
Priority date: 2023-01-12
Filing date: 2023-01-12
Publication date: 2023-06-16
Anticipated expiration: 2033-01-12

Abstract

The utility model relates to the technical field of steel pipe machining, and discloses a fixture of a steel pipe turning and boring machine, which comprises a mounting shell and a fixture mounting device, wherein the mounting shell is used for mounting the fixture; the driving mechanism is connected to the mounting shell and comprises a turntable and a spiral sliding rail connected to the turntable and used for driving the clamp to expand or contract; and the three-jaw clamping mechanism is connected to the mounting shell and the driving mechanism. This frock clamp of steel pipe turning boring machine, when using, according to the diameter of steel pipe, place the inboard of corresponding clamping part with the steel pipe, external part is connected with external drive equipment, drive the drive shaft through external drive equipment and rotate, thereby drive the meshing transmission between bevel gear and the bevel gear ring, thereby drive the carousel and rotate, drive three first movable plate on the three claw fixture through the spiral slide rail on the carousel, second movable plate and third movable plate inwards move simultaneously, carry out the centre gripping fixed to the steel pipe through the portion of holding that adds that corresponds, the travel distance of clamping jaw is shorter, and is laborsaving, convenient to use.

Description

Tool clamp of steel pipe turning and boring machine

Technical Field

The utility model relates to the technical field of steel pipe machining, in particular to a fixture clamp of a steel pipe turning and boring machine.

Background

Boring is an internal diameter cutting process that expands a hole or other circular contour with a tool, which generally ranges from semi-rough machining to finish machining, and the tool used is generally a single-edge boring tool (called a boring bar), and when boring, a workpiece is mounted on a machine table or a machine tool fixture, the boring tool is clamped on the boring bar (can also be integrally formed with the boring bar), and when the spindle drives the boring tool to rotate, a commonly used fixture is generally a three-jaw chuck.

When the existing three-jaw chuck is used, three clamping jaws are driven to approach inwards, so that the steel pipe is clamped and fixed, and when the diameter of the steel pipe is relatively smaller, the three clamping jaws need to be moved for a longer distance to fix the steel pipe, so that time and labor are wasted, and the steel pipe is troublesome to use.

Disclosure of Invention

The utility model aims to provide a fixture clamp of a steel tube turning and boring machine, which solves the problems in the background technology.

The embodiment of the application adopts the following technical scheme:

the tool clamp of the steel pipe turning and boring machine comprises a mounting shell and a clamping device, wherein the mounting shell is used for mounting the clamp; the driving mechanism is connected to the mounting shell and comprises a turntable and a spiral sliding rail connected to the turntable and used for driving the clamp to expand or contract; the three-jaw clamping mechanism is connected to the mounting shell and the driving mechanism and comprises three groups of clamping jaw assemblies capable of clamping the steel pipe and used for clamping the steel pipe.

Preferably, the mounting case includes a housing, and a connection rod connected to a left end of the housing.

Preferably, the driving mechanism further comprises a rotating rod connected to the center of the left side of the rotary table, a conical tooth ring connected to the edge of the left side of the rotary table, and a bevel gear in meshed connection with the conical tooth ring.

Preferably, the bevel gear is connected with a driving shaft, and one end of the driving shaft far away from the bevel gear is connected with an external part.

Preferably, the three-jaw clamping mechanism further comprises a first moving plate, a second moving plate and a third moving plate which can move inwards or outwards simultaneously, the clamping jaw assembly is provided with three groups, and the three groups of clamping jaw assemblies are respectively connected to the first moving plate, the second moving plate and the third moving plate.

Preferably, the clamping jaw assembly comprises a first clamping jaw, a second clamping jaw, a third clamping jaw and a fourth clamping jaw, and distances between the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw and the circle center of the installation shell are gradually increased.

Preferably, the first clamping jaw on the first moving plate, the second moving plate and the third moving plate is provided with a first clamping part, the second clamping jaw on the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw is provided with a second clamping part, the third clamping jaw on the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw is provided with a third clamping part, and the fourth clamping jaw on the first clamping jaw, the second clamping jaw, the third clamping jaw and the fourth clamping jaw is provided with a fourth clamping part for clamping the steel pipe.

The beneficial effects of the utility model are as follows:

when in use, according to the diameter of the steel pipe, the steel pipe is placed on the inner side of the corresponding clamping part, the external part is connected with external driving equipment, the driving shaft is driven to rotate by the external driving equipment, so that meshing transmission between the bevel gear and the bevel gear ring is driven, the turntable is driven to rotate, the three first moving plates, the second moving plates and the third moving plates on the three-jaw clamping mechanism are driven to simultaneously move inwards by the spiral sliding rail on the turntable, the steel pipe is clamped and fixed by the corresponding clamping part, the moving distance of the clamping jaw is short, time and labor are saved, and the use is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partially cut-away perspective structure of the present utility model;

FIG. 3 is a schematic perspective view of the drive mechanism and the three-jaw clamping mechanism of the present utility model;

fig. 4 is a schematic perspective view of a three-jaw clamping mechanism according to the present utility model.

In the figure: 1. a mounting shell; 11. a housing; 111. an opening; 12. a connecting rod; 2. a driving mechanism; 21. a turntable; 22. a spiral slide rail; 23. a rotating lever; 24. a bearing; 25. conical toothed ring; 26. a drive shaft; 27. bevel gears; 28. an external connection component; 3. a three-jaw clamping mechanism; 31. a first moving plate; 32. a second moving plate; 33. a third moving plate; 34. a jaw assembly; 341. a first jaw; 342. a second jaw; 343. a third jaw; 344. and a fourth clamping jaw.

Detailed Description

When clamping the steel pipe with relatively smaller diameter, the three clamping jaws need to be moved for a longer distance, which is time-consuming and labor-consuming and is troublesome to use.

The following describes the embodiments of the present utility model further with reference to the drawings.

As shown in fig. 1, a tooling fixture of a steel pipe turning and boring machine; the steel pipe boring machine comprises a mounting shell 1, wherein the mounting shell 1 comprises a shell 11 for mounting a clamp structure, the left side of the mounting shell 1 is connected with a connecting rod 12 for connecting a driving device (not shown in the figure) on the boring machine, after the clamp clamps a steel pipe, the driving device drives the mounting shell 1 to rotate so as to drive the steel pipe to rotate, three openings 111 are formed in the right side of the shell 11, and the openings 111 can be used for guiding and limiting the clamp;

as shown in fig. 2 and 3, the driving mechanism 2 is connected to the mounting case 1, the driving mechanism 2 includes a bearing 24 connected to the middle of the left side in the case 11, a rotating rod 23 connected to the inner side of the bearing 24, and a rotating disc 21 connected to the right end of the rotating rod 23, a conical ring 25 is connected to the left side edge of the rotating disc 21, a spiral slide rail 22 is connected to the right side of the rotating disc 21, a driving shaft 26 is rotatably connected to the outer side of the case 11, one end of the driving shaft 26 extends into the inner side of the case 11 and is connected to a bevel gear 27, the bevel gear 27 is engaged with the conical ring 25, one end of the driving shaft 26 which leaks out of the outer side of the case 11 is connected to an external member 28, and the external member 28 is connectable to an external driving apparatus, for example: a headless electric drill;

as shown in fig. 2, 3 and a three-jaw clamping mechanism 3, which are connected to a mounting shell 1 and a driving mechanism 2, the three-jaw clamping mechanism 3 comprises a first moving plate 31, a second moving plate 32 and a third moving plate 33, the first moving plate 31, the second moving plate 32 and the third moving plate 33 are respectively in limited sliding connection in three openings 111, sliding grooves for a spiral slide rail 22 to pass through are formed in the left sides of the first moving plate 31, the second moving plate 32 and the third moving plate 33, a clamping jaw assembly 34 is connected to the first moving plate 31, the second moving plate 32 and the third moving plate 33, the clamping jaw assembly 34 comprises a first clamping jaw 341, a second clamping jaw 342, a third clamping jaw 343 and a fourth clamping jaw 344, and the first clamping jaw 341, the second clamping jaw 342, the third clamping jaw 343 and the fourth clamping jaw 344 are sequentially arranged from inside to outside;

the first clamping portion is formed on the first clamping jaw 341 on the second clamping jaw 342 on the third clamping jaw 343 on the fourth clamping jaw 344;

the second clamping jaw 342 on the first clamping jaw 341, the second clamping jaw 342, the third clamping jaw 343 and the fourth clamping jaw 344 are formed with second clamping portions;

the third clamping portion is formed on the third clamping jaw 343 of the first clamping jaw 341, the second clamping jaw 342, the third clamping jaw 343 and the fourth clamping jaw 344;

the fourth clamping portion is formed on the fourth clamping jaw 344 on the first clamping jaw 341, the second clamping jaw 342, the third clamping jaw 343 and the fourth clamping jaw 344;

the clamping jaw assembly 34 can be correspondingly provided with a fifth clamping jaw, a sixth clamping jaw and a seventh clamping jaw …, and corresponding clamping parts are formed;

when in use, the steel pipe is placed on the inner side of the corresponding clamping part according to the diameter of the steel pipe, the external part 28 is connected with external driving equipment, the driving shaft 26 is driven to rotate by the external driving equipment, thereby driving the meshing transmission between the bevel gear 27 and the bevel gear ring 25, thereby driving the rotary table 21 to rotate, and the spiral slide rail 22 on the rotary table 21 drives the three first moving plates 31, the second moving plates 32 and the third moving plates 33 on the three-jaw clamping mechanism 3 to simultaneously move inwards, so that the steel pipe is clamped and fixed by the corresponding clamping part, the moving distance of the clamping jaw is shorter, time and labor are saved, and the three-jaw clamping mechanism is convenient to use.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The fixture for the steel tube turning and boring machine is characterized by comprising a mounting shell (1) for mounting the fixture;

the driving mechanism (2) is connected to the mounting shell (1), and the driving mechanism (2) comprises a rotary table (21) and a spiral slide rail (22) connected to the rotary table (21) and is used for driving the clamp to expand or contract;

the three-jaw clamping mechanism (3) is connected to the mounting shell (1) and the driving mechanism (2), and the three-jaw clamping mechanism (3) comprises three groups of clamping jaw assemblies (34) capable of clamping the steel pipe and is used for clamping the steel pipe.

2. Tool clamp of a steel pipe turning boring machine according to claim 1, characterized in that the mounting shell (1) comprises a housing (11) and a connecting rod (12) connected to the left end of the housing (11).

3. Tool clamp of a steel pipe turning boring machine according to claim 1, characterized in that the driving mechanism (2) further comprises a rotating rod (23) connected to the center of the left side of the turntable (21), a bevel gear ring (25) connected to the left side of the turntable (21), and a bevel gear (27) in engagement with the bevel gear ring (25).

4. A tool clamp for a steel pipe turning and boring machine according to claim 3, characterized in that the bevel gear (27) is connected with a driving shaft (26), and one end of the driving shaft (26) far away from the bevel gear (27) is connected with an external connection part (28).

5. Tool clamp of a steel pipe turning and boring machine according to claim 1, characterized in that the three-jaw clamping mechanism (3) further comprises a first moving plate (31), a second moving plate (32) and a third moving plate (33) which can move inwards or outwards simultaneously, the clamping jaw assembly (34) is provided with three groups, and the three groups of clamping jaw assemblies (34) are respectively connected to the first moving plate (31), the second moving plate (32) and the third moving plate (33).

6. The tool clamp of the steel pipe turning boring machine according to claim 5, wherein the clamping jaw assembly (34) comprises a first clamping jaw (341), a second clamping jaw (342), a third clamping jaw (343) and a fourth clamping jaw (344), and distances between the first clamping jaw (341), the second clamping jaw (342), the third clamping jaw (343) and the fourth clamping jaw (344) and a circle center of the installation shell (1) are gradually increased.

7. The tool clamp of the turning and boring machine for steel pipes according to claim 6, wherein the first clamping jaw (341) on the first moving plate (31), the second moving plate (32) and the third moving plate (33) is formed with a first clamping portion, the second clamping jaw (342) on the first clamping jaw (341), the second clamping jaw (342), the third clamping jaw (343) and the fourth clamping jaw (344) is formed with a second clamping portion, the third clamping jaw (343) on the first clamping jaw (341), the second clamping jaw (342), the third clamping jaw (343) and the third clamping jaw (344) is formed with a third clamping portion, and the fourth clamping jaw (344) on the first clamping jaw (341), the second clamping jaw (342), the third clamping jaw (343) and the fourth clamping jaw (344) is formed with a fourth clamping portion for clamping steel pipes.