CN111266752A

CN111266752A - External cylinder clamping power head of laser pipe cutting machine

Info

Publication number: CN111266752A
Application number: CN202010157567.5A
Authority: CN
Inventors: 吴利德; 王跃强
Original assignee: Sichuan Minhe Pipeline Construction Engineering Co ltd
Current assignee: Sichuan Minhe Pipeline Construction Engineering Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-06-12

Abstract

The invention discloses an external cylinder clamping power head of a laser pipe cutting machine, which relates to the technical field of laser pipe cutting and solves the technical problems of complex structure, pressure maintaining in the cutting process and high technical difficulty caused by the fact that a cylinder cavity of the clamping power head of the existing laser pipe cutting machine is arranged inside a chuck; the invention has the advantages of simple structure, external structure adopted by the four cylinders, no rotating friction of the seals in the cylinders, durability of the cylinders and the seals, low price of the external cylinders and convenience in disassembly and maintenance.

Description

External cylinder clamping power head of laser pipe cutting machine

Technical Field

The invention relates to the technical field of pipe cutters, in particular to an external air cylinder clamping power head of a laser pipe cutter, which is used for clamping a pipe to be cut.

Background

The clamping power head for the laser pipe cutting machine manufactured at home at present adopts a clamping mode of a pneumatic/hydraulic chuck or a hollow rotary pneumatic/hydraulic chuck. The chuck cylinder cavity adopting the two modes is arranged in the chuck, the structure is complex, the price is high, and an air source must enter the cylinder through the annular air transmission channel. The sealing is dynamic sealing, pressure is maintained in the cutting process, and the technical difficulty is very high. Because of this, the sealing of the gas delivery passage becomes the largest failure point for the air chuck or hollow rotating chuck. The sealing ring of the pneumatic/hydraulic chuck or the hollow rotary pneumatic/hydraulic chuck is not durable, oil and gas leakage is easy, and the maintenance cost is high.

And when the ultra-large-diameter steel pipe is cut, the cost and the manufacturing cost are particularly high if a pneumatic/hydraulic chuck or a hollow rotary pneumatic/hydraulic chuck is adopted.

Disclosure of Invention

The invention aims to: the invention provides an external cylinder clamping power head of a laser pipe cutting machine, aiming at solving the technical problems that the cylinder cavity of the clamping power head of the existing laser pipe cutting machine is arranged inside a chuck, so that the structure is complex, the pressure needs to be maintained in the cutting process, and the technical difficulty is high.

The invention specifically adopts the following technical scheme for realizing the purpose:

the utility model provides an external cylinder clamping power head of laser pipe cutting machine, includes the organism, the organism on run through and be provided with the elasticity cartridge assembly, be provided with the rotatory power unit of drive elasticity cartridge assembly on the organism, still be provided with the cylinder telescopic machanism that control elasticity cartridge assembly tightened up and loosen the pipe fitting on the organism, cylinder telescopic machanism be located the elasticity cartridge assembly outside.

Furthermore, the elastic chuck assembly comprises a hollow main shaft penetrating through the machine body, the hollow main shaft is movably mounted on the machine body through a main shaft front bearing and a main shaft rear bearing, a guide sleeve is arranged in the hollow main shaft and close to one side of the main shaft rear bearing, a spring chuck body is sleeved outside the hollow main shaft extending part of the guide sleeve, the tail end of the spring chuck body is connected with a clamping jaw, and a conical compression spring is sleeved on the spring chuck body.

Further, power unit including setting up the servo motor in the organism top, servo motor's output shaft has little hold-in range gear, hollow spindle keep away from spring chuck body one end and go up the cover and be equipped with big hold-in range gear, little hold-in range gear passes through the hold-in range and drives big hold-in range gear and rotate.

Furthermore, the inner hole of the guide sleeve is a round hole close to the spring chuck body and a conical hole far away from the spring chuck body, and the aperture of one side of the conical hole far away from the spring chuck body is larger than that of one side close to the spring chuck body.

Further, cylinder telescopic machanism including being located four synchronous cylinders of equipartition on the outside organism of hollow main shaft, four synchronous cylinders run through the organism, four synchronous cylinder's piston rod all are connected with the optical axis, the spring clamp body on through pushing up the bearing housing and be equipped with and push away the hoop, four optical axes all with push away the hoop and be connected.

Furthermore, the machine body is provided with four optical axis guide sleeves which are respectively sleeved on the corresponding optical axes.

Furthermore, the four synchronous cylinder bodies are positioned on one side far away from the spring chuck body.

The invention has the following beneficial effects:

1. the invention has simple structure, because the four cylinders adopt external structures, the sealing in the cylinders has no rotating friction, the cylinders and the sealing are very durable, and simultaneously, the external cylinders have low price and convenient disassembly and maintenance.

2. When the device works, a steel pipe penetrates through the guide sleeve and passes through the clamping jaw, one ends of four optical axes are connected to the cylinder piston, the optical axes axially displace in the four optical axis guide sleeves, the other ends of the optical axes are connected to four connecting holes of the push hoop, the push hoop is pushed to move forwards when the cylinder extends out, the outer inclined surface of the spring chuck body is pushed by the inner ring of the push bearing cylinder in the push hoop under the action force of the push bearing cylinder, the spring chuck body is closed due to the principle of taper tightening, the clamping jaw is tightened at the same time, and the power head completes the clamping function at the.

Drawings

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

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a right side view of FIG. 1;

reference numerals: the device comprises a clamping jaw-01, a push hoop-03, a servo motor-04, a synchronous belt-05, a cylinder-06, a machine body-07, an optical axis guide sleeve-08, a spring chuck body-09, an optical axis-12, a small synchronous pulley-10, a large synchronous pulley-11, a guide sleeve-13, a main shaft-14, a push bearing-100, a main shaft front bearing-101 and a main shaft rear bearing-102.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 4, this embodiment provides an external cylinder clamping power head of laser pipe cutting machine, including organism 07, organism 07 on run through and be provided with the elasticity chuck subassembly, be provided with on the organism 07 and drive the rotatory power unit of elasticity chuck subassembly, still be provided with the cylinder telescopic machanism that controls the elasticity chuck subassembly and tighten up and loosen the pipe fitting on the organism 07, cylinder telescopic machanism be located the elasticity chuck subassembly outside.

The elastic chuck assembly comprises a hollow main shaft 14 penetrating through a machine body 07, the hollow main shaft 14 is movably mounted on the machine body 07 through a main shaft front bearing 101 and a main shaft rear bearing 102, a guide sleeve 13 is arranged on one side, close to the main shaft rear bearing 102, in the hollow main shaft 14, a part of the guide sleeve 13 extends out of the hollow main shaft 14, a spring chuck body 09 is sleeved outside, the tail end of the spring chuck body 09 is connected with a clamping jaw 01, and a conical compression spring is sleeved on the spring chuck body 09.

Example 2

The embodiment is further optimized on the basis of embodiment 1, and specifically comprises the following steps:

the power mechanism comprises a servo motor 04 arranged above the machine body 07, an output shaft of the servo motor 04 is connected with a small synchronous belt gear 10, one end, far away from the spring chuck body 09, of the hollow main shaft 14 is sleeved with a large synchronous belt gear 11, and the small synchronous belt gear 10 drives the large synchronous belt gear 11 to rotate through a synchronous belt 05.

The inner hole of the guide sleeve 13 is a round hole close to the spring chuck body 09 and a tapered hole far away from the spring chuck body 09, and the aperture of one side of the tapered hole far away from the spring chuck body 09 is larger than that of one side close to the spring chuck body 09.

Cylinder telescopic machanism including being located four synchronous cylinder 06 of equipartition on the 14 outside organism 07 of hollow main shaft, four synchronous cylinder 06 run through organism 07, four synchronous cylinder 06's piston rod all is connected with optical axis 12, spring chuck body 09 on be equipped with through pushing up bearing 100 covers and push away hoop 03, four optical axis 12 all with push away hoop 03 and be connected.

The machine body 07 is provided with four optical axis guide sleeves 08, and the four optical axis guide sleeves 08 are respectively sleeved on corresponding optical axes.

The four synchronous cylinders 06 are positioned on the side far away from the spring chuck body 09.

When the device works, a steel pipe penetrates through the guide sleeve 13 and passes through the clamping jaw 01, one ends of four optical axes 12 are connected to a piston of the air cylinder 06, the optical axes 12 axially move in the four optical axis guide sleeves 08, the other ends of the optical axes 12 are connected to four connecting holes of the push hoop 03, the push hoop 03 is pushed to move forwards when the air cylinder 06 extends out, an inner ring of the push bearing 100 in the push hoop pushes an outer inclined surface of the spring clamp body 09 under the acting force of the air cylinder 06 of the push bearing, the spring clamp body 09 is closed due to the principle of taper tightening, the clamping jaw 01 is tightened at the same time, and at the moment;

the servo motor 04 drives the small synchronous belt pulley to rotate, the small synchronous belt pulley 10 drives the large synchronous belt 11 to rotate through the synchronous belt 05, the large synchronous belt 11 is sleeved on the main shaft 14, the large synchronous belt pulley 11 is connected with the main shaft 14 through a key, and at the moment, the servo motor rotates to drive the main shaft 14 spring chuck body 09 clamping jaw 01 and the steel pipe to synchronously rotate. The steel pipe can be cut off by laser cutting.

Claims

1. The utility model provides an external cylinder clamping power head of laser pipe cutting machine, includes organism (07), its characterized in that, organism (07) on run through and be provided with the elasticity cartridge assembly, be provided with on organism (07) and drive the rotatory power unit of elasticity cartridge assembly, still be provided with the cylinder telescopic machanism that control elasticity cartridge assembly tighten up and loosen the pipe fitting on organism (07), cylinder telescopic machanism be located the elasticity cartridge assembly outside.

2. The external cylinder clamping power head of the laser pipe cutting machine according to claim 1, wherein the elastic chuck assembly comprises a hollow main shaft (14) penetrating through the machine body (07), the hollow main shaft (14) is movably mounted on the machine body (07) through a main shaft front bearing (101) and a main shaft rear bearing (102), a guide sleeve (13) is arranged on one side of the hollow main shaft (14) close to the main shaft rear bearing (102), a spring chuck body (09) is sleeved outside the position where the guide sleeve (13) partially extends out of the hollow main shaft (14), a clamping jaw (01) is connected to the tail end of the spring chuck body (09), and a conical compression spring is sleeved on the spring chuck body (09).

3. The external cylinder clamping power head of the laser pipe cutting machine as claimed in claim 2, wherein the power mechanism comprises a servo motor (04) arranged above the machine body (07), an output shaft of the servo motor (04) is connected with a small synchronous belt gear (10), a large synchronous belt gear (11) is sleeved on one end of the hollow spindle (14) far away from the spring chuck body (09), and the small synchronous belt gear (10) drives the large synchronous belt gear (11) to rotate through a synchronous belt (05).

4. The external cylinder clamping power head of the laser pipe cutting machine according to claim 2, wherein the inner hole of the guide sleeve (13) is a round hole close to the spring chuck body (09) and a tapered hole far from the spring chuck body (09), and the aperture of the tapered hole at the side far from the spring chuck body (09) is larger than the aperture at the side close to the spring chuck body (09).

5. The external cylinder clamping power head of the laser pipe cutting machine according to claim 2, wherein the cylinder telescopic mechanism comprises four synchronous cylinders (06) uniformly distributed on a machine body (07) outside the hollow main shaft (14), the four synchronous cylinders (06) penetrate through the machine body (07), piston rods of the four synchronous cylinders (06) are connected with optical shafts (12), a push hoop (03) is sleeved on the spring clamp body (09) through a push bearing (100), and the four optical shafts (12) are connected with the push hoop (03).

6. The external cylinder clamping power head of the laser pipe cutter as claimed in claim 5, wherein the machine body (07) is provided with four optical axis guide sleeves (08), and the four optical axis guide sleeves (08) are respectively sleeved on corresponding optical axes.

7. The external air cylinder clamping power head of the laser pipe cutting machine as claimed in claim 5, wherein the four synchronous air cylinders (06) are located on the side far away from the spring chuck body (09).