CN214236950U - Automatic pipe welding machine - Google Patents

Abstract

The utility model relates to a pipe automatic welding machine, including anchor clamps, anchor clamps include anchor clamps and last anchor clamps down, and a tip of going up anchor clamps is articulated through the hinge with one side of anchor clamps down, and another tip of going up anchor clamps passes through closing device with the opposite side of anchor clamps down and fixes, and closing device includes mounting and moving mechanism, and mounting and moving mechanism set up at last anchor clamps and anchor clamps down respectively, and the mounting has dorsad moving mechanism's slot, moving mechanism include base member, rotatory handle, compress tightly the arm, and the one end of rotatory handle is articulated with the upside of base member, and the other end is for supplying the handheld end of operation, and the position of rotatory handle be equipped with the second pin joint between one end and the other end, and the one end that compresses tightly the arm is articulated with the second pin joint, the other end that compresses tightly the arm be equipped with hook portion with the slot cooperation. Newly-designed closing device only needs pull rotatory handle, can realize that the lock of going up anchor clamps and lower anchor clamps compresses tightly and opens, and the operation is more convenient.

Description

Automatic pipe welding machine

Technical Field

The utility model relates to a welding equipment technical field, concretely relates to pipe automatic welding machine.

Background

A sealed compact portable closed hand-held automated pipe welding apparatus as disclosed in application publication No. CN 104607772 a, the apparatus comprising a fixture, a welding device, the welding device comprising a welding portion and a cooling portion. And opening the clamp, clamping the butt joint of the two pipes to be welded, and starting welding operation after clamping and fixing. The motor is started, the opening gear is driven to rotate through the transmission of the middle gear set, and the opening gear is provided with a tungsten electrode and performs circular rotation motion and welding simultaneously under the protection of protective gas. And (5) moving the shedding gear for one circle to complete girth welding.

The welding equipment disclosed in the patent, the upper half of anchor clamps is fixed through the cooperation of stay bolt and nut with the latter half, has certain inconvenience in the use, remains the optimal design.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipe automatic welding machine solves the problem of the inconvenient operation of fixed knot structure of anchor clamps part.

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

an automatic pipe welding machine comprises a clamp and a welding device positioned in the clamp, wherein the clamp comprises a lower clamp and an upper clamp, one end part of the upper clamp is hinged with one side of the lower clamp through a hinge shaft, the other end part of the upper clamp is fixed with the other side of the lower clamp through a pressing device, the pressing device comprises a fixing part and a movable mechanism, the fixing part and the movable mechanism are respectively arranged on the upper clamp and the lower clamp, the fixing part is provided with a groove back to the movable mechanism, the movable mechanism comprises a base body, a rotating handle and a pressing arm, the base body is fixed on the lower clamp, one end of the rotating handle is hinged with the upper side of the base body, the other end of the rotating handle is a handheld end for operation, a second hinge point is arranged between one end and the other end of the rotating handle, one end of the pressing arm is hinged with the second hinge point, the other end of the pressing arm is provided with a hook part, and the hook part bends downwards and towards the other end of the rotating handle, the bent hook part is matched with the groove.

Furthermore, the upper clamp comprises a first upper clamp and a second upper clamp, the first upper clamp and the second upper clamp are arranged at intervals in the front-back direction and can independently rotate around the hinge shaft, and the first upper clamp and the second upper clamp are respectively fixed with the lower clamp through one pressing device.

Further, the fixing piece is fixed on the upper clamp through a bolt, and the base body is fixed on the lower clamp through a bolt.

Further, the upper jig has a semicircular hole facing downward, and the lower jig has a semicircular hole facing upward and disposed opposite to the semicircular hole.

Further, the first upper clamp comprises a first semi-ring plate, a groove is formed in the upper portion of the first semi-ring plate, the second upper clamp comprises a second semi-ring plate, a cover plate is arranged at the top of the second semi-ring plate and extends in the thickness direction of the second semi-ring plate, a compression column is arranged on the end side of the cover plate, and the compression column is pressed into the groove.

Furthermore, a transparent observation window is arranged on the cover plate.

The utility model has the advantages that:

the utility model discloses a tubular product automatic welding machine, including anchor clamps, anchor clamps include anchor clamps and last anchor clamps down, and a tip of going up anchor clamps is articulated through the hinge with one side of anchor clamps down, and another tip of going up anchor clamps passes through closing device with the opposite side of anchor clamps down and fixes. Newly-designed closing device only needs to pull rotatory handle, can realize that the lock of going up anchor clamps and lower anchor clamps compresses tightly and opens, and the mode of nut is twisted to needs among the prior art relatively, and the operation is more convenient.

Drawings

FIG. 1 is a schematic view of the automatic pipe welder according to the present invention;

FIG. 2 is a schematic view of another angle of the automatic pipe welder according to the present invention;

FIG. 3 is a schematic view of the structure of the fixing member of the compression device of FIG. 1;

FIG. 4 is a schematic view of the movable mechanism of the compacting apparatus of FIG. 1;

fig. 5 is a partial schematic view of the automatic pipe welder according to the present invention (with a portion of the first upper clamp removed).

Names corresponding to the marks in the figure:

1. the lower clamp, 2, the upper clamp, 21, the first upper clamp, 211, the groove, 22, the second upper clamp, 221, the observation window, 222, the compression column, 3, the pressing device, 31, the fixing part, 311, the groove, 32, the movable mechanism, 321, the rotating handle, 322, the pressing arm, 3221, the hook part, 331, the hinge part, 33, the base body, 34, the first hinge point, 35, the second hinge point, 4, the hinge shaft, 5 and the opening gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

The embodiment of the utility model provides a:

as shown in fig. 1-5, the automatic pipe welding machine comprises a clamp and a welding device located in the clamp, wherein the clamp comprises a lower clamp 1 and an upper clamp 2, one end of the upper clamp 2 is hinged with one side of the lower clamp 1 through a hinge shaft 4, and the other end of the upper clamp 2 is fixed with the other side of the lower clamp 1 through a pressing device 3.

In this embodiment, the upper clamp 2 includes a first upper clamp 21 and a second upper clamp 22, the first upper clamp 21 and the second upper clamp 22 are spaced apart from each other in a front-to-rear direction and can rotate independently around the hinge shaft 4 to open or close, and the first upper clamp 21 and the second upper clamp 22 are fixed to the lower clamp 1 through a pressing device 3.

The pressing device 3 comprises a fixed part 31 and a movable mechanism 32, the fixed part 31 and the movable mechanism 32 are respectively arranged on the upper clamp 2 and the lower clamp 1, the fixed part 31 is fixed on the upper clamp 2 through bolts, the fixed part 31 is provided with a groove 311 facing away from the movable mechanism 32, and the groove 311 is arranged on one side close to the movable mechanism 32.

The movable mechanism 32 comprises a base 33, a rotating handle 321 and a pressing arm 322, wherein the base 33 is fixed on the lower clamp 1 through bolts, the base 33 is a strip-shaped plate, and a hinge portion 331 is convexly arranged at the middle part of the base 33 upwards and forms a first hinge point 34. One end of the rotating handle 321 is hinged with the first hinge point 34 on the upper side of the base body 33, and the other end is a hand-held end for operation. A second hinge point 35 is arranged between the one end and the other end of the rotating handle 321, one end of the pressing arm 322 is hinged to the second hinge point 35, a hook portion 3221 is arranged at the other end of the pressing arm 322, the hook portion 3221 bends downward and toward the other end of the rotating handle 321, and the hook portion 3221 is matched with the groove 311.

The upper jig 2 has a downwardly facing semicircular hole, and the lower jig 1 has an upwardly facing semicircular hole disposed opposite to the semicircular hole. The two are opposite, and the periphery of the pipe with the welding can be clamped exactly. Of course, each type of product can only adapt to the welding of pipes within a certain diameter range; according to the pipes with different specifications, the clamping blocks on the inner side of the clamp can be replaced, and the replacement is not an improvement point of the novel clamp.

The first upper clamp 21 comprises a first semi-ring plate, a groove 211 is formed in the upper portion of the first semi-ring plate, the second upper clamp 22 comprises a second semi-ring plate, a cover plate is arranged at the top of the second semi-ring plate and extends in the thickness direction of the second semi-ring plate, a compression column 22 is arranged on the end side of the cover plate, and the compression column 22 is pressed into the groove 211. Through the design of the groove 211 and the compression leg 22, the structure is more compact and the fixation is more reliable.

A shedding gear 5 is arranged in the clamp, a tungsten electrode is arranged on the shedding gear 5, and the driving mode and the welding principle of the shedding gear 5 are prior art and are not detailed. The split gear and the tungsten electrode are part of the welding device, and the structure of the part can be the one in the prior art.

The cover plate is provided with a transparent observation window 221 for observing the welding condition.

When the clamp is used, the second upper clamp 22 is operated to be opened, the rotating handle 321 is pulled upwards by a hand, the rotating handle 321 rotates around the shaft where the first hinge point 34 is located, the pressing arm 322 is driven to move upwards and forwards, the hook portion 3221 at the end gradually disengages from the groove 311 of the fixing member 31, and after the hook portion is disengaged, the second upper clamp 22 is rotated to be opened; then, in the same manner, after the first upper clamp 21 is opened and the welded pipes are respectively loaded, the rotating handle 321 is pressed, the pressing arm 322 moves backward and downward, and the hook portion 3221 at the end portion is caught in the groove 311 of the fixing member 31, so that the fixing is realized. The first hinge point 34 and the second hinge point 35 are substantially in the same straight line, and are designed to be equivalent to dead points, and cannot be loosened by themselves.

The utility model relates to a pipe automatic welding machine, which is a full-automatic pulse argon arc welding machine designed for butt joint of various pipes; can be used for the automatic welding of pipes with the external diameters of phi 3 to phi 180 mm. Is especially suitable for welding thin-wall pipes of carbon steel, alloy steel, stainless steel and titanium alloy. Double-clamping positioning is realized, and positioning spot welding is not needed. During welding, the welding seam is sealed and protected, argon gas is filled in the cavity of the machine head, the environment is protected stably, the welding bead is attractive in forming, and no strong arc radiation is generated during operation.

Claims (6)

1. Pipe automatic welder, including anchor clamps and the welding set who is located anchor clamps, its characterized in that: the clamp comprises a lower clamp and an upper clamp, one end of the upper clamp is hinged to one side of the lower clamp through a hinge shaft, the other end of the upper clamp is fixed to the other side of the lower clamp through a pressing device, the pressing device comprises a fixing part and a movable mechanism, the fixing part and the movable mechanism are respectively arranged on the upper clamp and the lower clamp, the fixing part is provided with a groove which faces away from the movable mechanism, the movable mechanism comprises a base body, a rotating handle and a pressing arm, the base body is fixed to the lower clamp, one end of the rotating handle is hinged to the upper side of the base body, the other end of the rotating handle is a handheld end for operation, a second hinge point is arranged between one end and the other end of the rotating handle, one end of the pressing arm is hinged to the second hinge point, the other end of the pressing arm is provided with a bent hook portion, the bent hook portion is bent downwards and towards the direction of the other end of the rotating handle, and the bent hook portion is matched with the groove.

2. The automatic pipe welder according to claim 1, characterized in that: the upper clamp comprises a first upper clamp and a second upper clamp, the first upper clamp and the second upper clamp are arranged at intervals in the front-back direction and can independently rotate around the hinge shaft, and the first upper clamp and the second upper clamp are fixed with the lower clamp through one pressing device respectively.

3. The automatic pipe welder according to claim 1 or 2, characterized in that: the fixing piece is fixed on the upper clamp through a bolt, and the base body is fixed on the lower clamp through a bolt.

4. The automatic pipe welder according to claim 1 or 2, characterized in that: the upper clamp has a downwardly facing semicircular hole, and the lower clamp has an upwardly facing semicircular hole disposed opposite the semicircular hole.

5. The automatic pipe welder according to claim 2, characterized in that: the first upper clamp comprises a first semi-ring plate, a groove is formed in the upper portion of the first semi-ring plate, the second upper clamp comprises a second semi-ring plate, a cover plate is arranged at the top of the second semi-ring plate and extends in the thickness direction of the second semi-ring plate, a compression column is arranged on the end side of the cover plate, and the compression column is pressed into the groove.

6. The automatic pipe welder according to claim 5, characterized in that: and a transparent observation window is arranged on the cover plate.

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