CN210649302U - Be applied to automatic girth welding machine fixture of bellows - Google Patents

Abstract

The utility model discloses an automatic girth welder fixture for bellows, including the first in command, the second in command, circular arc binding clip, hand wheel and sharp mouth binding clip, the surface of the first in command is connected with the second in command, and the top surface of the first in command and the second in command has all wrapped up the rubber sleeve to the connecting axle is installed to the junction of the first in command and the second in command, the bottom surface of the first in command and the second in command is all fixed and is provided with the circular arc binding clip, and the internal surface of circular arc binding clip has seted up the inside groove to the outward appearance of circular arc binding clip is run through by the cylinder piece. This be applied to automatic girth welder fixture of bellows, this fixture accessible rotates and presses or pulls for the sawtooth piece makes a round trip to stretch out and draw back in the circular arc binding clip, reaches the effect that circular arc groove and cockscomb structure fixture switched back and forth, can reach the centre gripping to the bellows, also can reach and carry out the centre gripping to smooth and flat article, plays the effect that prevents that article from being hindered by the clamp.

Description

Be applied to automatic girth welding machine fixture of bellows

Technical Field

The utility model relates to a bellows correlation technique field specifically is a be applied to automatic girth welding machine fixture of bellows.

Background

The bellows is a common pipeline in life, and the surface of this pipeline is wavy, can fold the extension, and the usage of bellows has a lot, can be used to carry liquid, also can carry gas, also can regard as the instrument pipeline that a damping was fallen and is made an uproar to use equally, and the bellows is fixing in some place or when connecting a plurality of bellows, need use an automatic girth welder to weld, and need use a fixture to carry out the centre gripping to the bellows during the welding, prevent that the bellows from removing, reach good welding effect, this fixture is a pliers commonly used in the life, but this fixture has some shortcoming:

firstly, the shapes of clamping parts of common clamping tools are fixed, and corrugated bellows are adopted, so that the common clamping tools of the corrugated bellows are provided with sawteeth, and when the top end or the tail end of the corrugated bellows is clamped without corrugated articles, articles are easily clamped and damaged in the clamping process;

secondly, fixture divides there are many kinds, sharp mouth fixture and square fixture etc. then need use the fixture of sharp mouth when needs centre gripping subtotal welding, and square clamping tool then has great clamping-force, nevertheless because square clamping tool can't switch over to sharp mouth clamping tool, so need carry multiple fixture in the aspect of the apparatus carries to consume more material resources.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic girth welding machine clamping mechanism applied to corrugated pipes, which solves the problem that the shapes of clamping parts proposed in the background technology can not be switched; the problem that the variety cannot be changed in the clamping process.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic girth welding machine clamping mechanism applied to corrugated pipes comprises a first handle, a second handle, an arc tong head, a hand wheel and a sharp-nose tong head, wherein the outer surface of the first handle is connected with the second handle, rubber sleeves wrap the outer surfaces of the top ends of the first handle and the second handle, a connecting shaft is arranged at the connecting position of the first handle and the second handle, the arc tong head is fixedly arranged on the surface of the bottom end of the first handle and the bottom end of the second handle, an inner groove is formed in the inner surface of the arc tong head, the outer surface of the arc tong head is penetrated through by a cylindrical block, a convex block is fixedly arranged on the outer surface of the cylindrical block, a torsion spring is fixedly connected to the tail end of the cylindrical block, the tail end of the torsion spring is fixed to the inner surface of the arc tong head, the tail end of the torsion spring penetrates through the outer surface of a fixed block, and the sawtooth piece runs through the outer surface of the circular arc binding clip, the front surface of the circular arc binding clip is run through by the hand wheel, the front surface of the hand wheel is run through by the pull rod, the bottom end surface of the pull rod is fixedly provided with the return spring, the tail end of the return spring is fixedly arranged on the outer surface of the hand wheel, the tail end of the hand wheel is fixedly connected with the gear, the outer surface of the gear is connected with the sharp-nose binding clip, and the sharp-nose binding clip runs through the outer surface of the circular arc binding clip.

Preferably, the first handle and the second handle form a rotating structure through a connecting shaft, and the first handle and the second handle form an elastic structure through a connecting spring.

Preferably, the inner grooves are arranged in the arc binding clip at equal intervals, the inner grooves are connected with the convex blocks in a clamping manner, and the convex blocks are symmetrically distributed about the transverse center line of the cylindrical block.

Preferably, the cylindrical block forms a rotating structure with the arc binding clip and the fixed block respectively, the fixed block and the cylindrical block form a sliding structure with the arc binding clip, and saw teeth sheets are arranged on the outer surface of the fixed block at equal intervals.

Preferably, the hand wheel and the circular arc binding clip form a rotating structure, a gear on the hand wheel is in meshed connection with the sharp-nose binding clip, and the sharp-nose binding clip and the circular arc binding clip form a sliding structure.

Preferably, the pull rod and the hand wheel form a sliding structure, and the pull rod is connected with the arc tong head in a clamping manner.

Compared with the prior art, the beneficial effects of the utility model are that: the clamping mechanism of the automatic girth welding machine applied to the corrugated pipe,

1. the clamping mechanism can be pressed or pulled through rotation, so that the sawtooth piece can stretch back and forth in the arc tong head, the effect of switching the arc groove and the sawtooth-shaped clamping mechanism back and forth is achieved, the corrugated pipe can be clamped, smooth and flat objects can be clamped, and the effect of preventing the objects from being damaged by clamping is achieved;

2. and when the thinner clamping tool of tip is used to weld as needs, when reaching convenient welded effect, accessible pulling pull rod rotates the hand wheel for the sharp mouth binding clip is flexible, thereby reaches the effect that can use sharp mouth binding clip to carry out the centre gripping, conveniently welds the one end of centre gripping, can not influence welded process.

Drawings

FIG. 1 is a schematic view of the overall top view structure of the present invention;

FIG. 2 is a schematic view of a sectional view of the arc binding clip of the present invention;

FIG. 3 is a schematic cross-sectional view of the circular arc binding clip of the present invention;

fig. 4 is the side sectional structure schematic diagram of the cylinder block and the internal groove connection of the present invention.

In the figure: 1. a first handle; 2. a second handle; 3. a rubber sleeve; 4. a connecting shaft; 5. a connecting spring; 6. a circular arc binding clip; 7. an inner tank; 8. a cylindrical block; 9. a bump; 10. a torsion spring; 11. a fixed block; 12. a saw tooth blade; 13. a hand wheel; 14. a pull rod; 15. a return spring; 16. a gear; 17. a nipper plier head.

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 without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic girth welding machine clamping mechanism applied to corrugated pipes comprises a first handle 1, a second handle 2, a rubber sleeve 3, a connecting shaft 4, a connecting spring 5, an arc binding clip 6, an inner groove 7, a cylindrical block 8, a convex block 9, a torsion spring 10, a fixing block 11, a sawtooth sheet 12, a hand wheel 13, a pull rod 14, a return spring 15, a gear 16 and a sharp-nose binding clip 17, wherein the outer surface of the first handle 1 is connected with the second handle 2, the outer surfaces of the top ends of the first handle 1 and the second handle 2 are respectively wrapped with the rubber sleeve 3, the connecting shaft 4 is arranged at the connecting position of the first handle 1 and the second handle 2, the arc binding clip 6 is fixedly arranged on the bottom end surfaces of the first handle 1 and the second handle 2, the inner groove 7 is arranged on the inner surface of the arc binding clip 6, the outer surface of the arc binding clip 6 is penetrated by the cylindrical block 8, the convex block 9 is fixedly arranged on the outer, and the end of the cylindrical block 8 is fixedly connected with a torsion spring 10, and the end of the torsion spring 10 is fixed on the inner surface of the circular arc binding clip 6, the end of the torsion spring 10 penetrates through the outer surface of the fixed block 11, and the outer surface of the fixed block 11 is fixedly provided with a sawtooth piece 12, and the sawtooth piece 12 penetrates through the outer surface of the circular arc binding clip 6, the front surface of the circular arc binding clip 6 is penetrated through by a hand wheel 13, and the front surface of the hand wheel 13 is penetrated through by a pull rod 14, the bottom end surface of the pull rod 14 is fixedly provided with a return spring 15, and the end of the return spring 15 is fixedly arranged on the outer surface of the hand wheel 13, the end of the hand wheel 13 is fixedly connected with a gear 16, and the outer surface of the gear 16 is connected with a.

The first handle 1 and the second handle 2 form a rotating structure through the connecting shaft 4, the first handle 1 and the second handle 2 form an elastic structure through the connecting spring 5, and when the top ends of the first handle 1 and the second handle 2 are pressed, the tail ends of the first handle 1 and the second handle 2 can rotate by taking the connecting shaft 4 as a circle center, so that the connecting spring 5 is extruded.

The inside at circular arc binding clip 6 is seted up to the equidistant of inside groove 7, and inside groove 7 is connected for the block with lug 9, and lug 9 is about the horizontal central line symmetric distribution of cylinder piece 8, cylinder piece 8 constitutes rotating-structure with circular arc binding clip 6 and fixed block 11 respectively, and fixed block 11 all constitutes sliding structure with circular arc binding clip 6 with cylinder piece 8, and the equidistant sawtooth piece 12 that is provided with of surface of fixed block 11, when rotating cylinder piece 8, cylinder piece 8 can drive lug 9 and rotate in inside groove 7, thereby loosening cylinder piece 8, lug 9 can carry out the block with inside groove 7, make circular arc binding clip 6 can't drive sawtooth piece 12 and slide.

The hand wheel 13 and the circular arc binding clip 6 form a rotating structure, the gear 16 on the hand wheel 13 is in meshed connection with the sharp-mouth binding clip 17, the sharp-mouth binding clip 17 and the circular arc binding clip 6 form a sliding structure, the pull rod 14 and the hand wheel 13 form a sliding structure, the pull rod 14 and the circular arc binding clip 6 are in clamped connection, when the pull rod 14 is pulled, the pull rod 14 is not clamped with the circular arc binding clip 6, the hand wheel 13 can be rotated at the moment, the gear 16 is meshed with the sharp-mouth binding clip 17, and the sharp-mouth binding clip 17 is driven to slide.

The working principle is as follows: when the clamping mechanism of the automatic girth welding machine applied to the corrugated pipe is used and the corrugated pipe needs to be clamped, according to the figures 1, 2, 3 and 4, the cylindrical block 8 is rotated to enable the cylindrical block 8 to slide inwards through the torsion spring 10, the fixed block 11 is pushed to slide when the cylindrical block 8 slides, the sawtooth piece 12 protrudes outwards, after the distance for the sawtooth piece 12 to protrude is selected, the cylindrical block 8 is loosened to enable the lug 9 to be selected into the inner groove 7 under the action of the torsion spring 10, the lug 9 is clamped with the inner groove 7 to prevent the sawtooth piece 12 from moving, at the moment, when the rubber sleeve 3 is held, the top ends of the first handle 1 and the second handle 2 drive the circular arc clamp heads 6 to mutually abut through the connecting shaft 4, the circular arc clamp heads 6 can clamp the corrugated pipe through the sawtooth piece 12, and the clamping force applied to the corrugated pipe is added through the sawtooth piece 12, the corrugated pipe is prevented from sliding off during clamping to cause welding errors, and when one end of the rubber sleeve 3 is loosened, the first handle 1 and the second handle 2 are expanded outwards under the action of the connecting spring 5, so that the using effect is achieved;

and when the less one end bellows of centre gripping needs, when carrying out meticulous welding to the bellows, according to fig. 2 and fig. 3, only need stimulate pull rod 14 this moment, make pull rod 14 can't carry out the block back with circular arc binding clip 6, can rotate hand wheel 13, make gear 16 and sharp mouth binding clip 17 produce the meshing, release circular arc binding clip 6 with sharp mouth binding clip 17, later loosen pull rod 14 again, make pull rod 14 again with circular arc binding clip 6 block under reset spring 15's effect, prevent that hand wheel 13 from rotating, reach the effect of fixed sharp mouth binding clip 17, can carry out the centre gripping to the bellows of less one end through sharp mouth binding clip 17 this moment, conveniently carry out meticulous welding operation, whole practicality has been increased.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an automatic girth welder fixture for bellows, includes first in command (1), second in command (2), circular arc binding clip (6), hand wheel (13) and sharp mouth binding clip (17), its characterized in that: the outer surface of the first handle (1) is connected with a second handle (2), the outer surfaces of the top ends of the first handle (1) and the second handle (2) are wrapped by rubber sleeves (3), a connecting shaft (4) is installed at the joint of the first handle (1) and the second handle (2), arc-shaped tongs heads (6) are fixedly arranged on the surfaces of the bottom ends of the first handle (1) and the second handle (2), inner grooves (7) are formed in the inner surfaces of the arc-shaped tongs heads (6), the outer surfaces of the arc-shaped tongs heads (6) are penetrated through by cylindrical blocks (8), convex blocks (9) are fixedly arranged on the outer surfaces of the cylindrical blocks (8), torsion springs (10) are fixedly connected to the tail ends of the cylindrical blocks (8), the tail ends of the torsion springs (10) are fixed to the inner surfaces of the arc-shaped tongs heads (6), and the tail ends of the torsion springs (10) penetrate through the outer surfaces of fixing blocks (11), and the fixed surface of fixed block (11) is provided with sawtooth piece (12) to sawtooth piece (12) run through the surface of circular arc binding clip (6), the front surface of circular arc binding clip (6) is run through by hand wheel (13), and the front surface of hand wheel (13) is run through by pull rod (14), the bottom fixed surface of pull rod (14) is provided with reset spring (15), and the fixed surface that sets up at hand wheel (13) in the end of reset spring (15), the terminal fixedly connected with gear (16) of hand wheel (13), and the surface of gear (16) is connected with sharp mouth binding clip (17) to sharp mouth binding clip (17) run through the surface of circular arc binding clip (6).

2. The clamping mechanism of the automatic girth welding machine applied to the corrugated pipe as claimed in claim 1, wherein: the first handle (1) and the second handle (2) form a rotating structure through a connecting shaft (4), and the first handle (1) and the second handle (2) form an elastic structure through a connecting spring (5).

3. The clamping mechanism of the automatic girth welding machine applied to the corrugated pipe as claimed in claim 1, wherein: the inner grooves (7) are arranged in the arc tong heads (6) at equal intervals, the inner grooves (7) are connected with the convex blocks (9) in a clamping mode, and the convex blocks (9) are symmetrically distributed around the transverse center line of the cylindrical block (8).

4. The clamping mechanism of the automatic girth welding machine applied to the corrugated pipe as claimed in claim 1, wherein: the cylindrical block (8) and the arc binding clip (6) and the fixing block (11) respectively form a rotating structure, the fixing block (11) and the cylindrical block (8) form a sliding structure with the arc binding clip (6), and saw teeth (12) are arranged on the outer surface of the fixing block (11) at equal intervals.

5. The clamping mechanism of the automatic girth welding machine applied to the corrugated pipe as claimed in claim 1, wherein: the hand wheel (13) and the arc binding clip (6) form a rotating structure, a gear (16) on the hand wheel (13) is in meshed connection with the sharp-nose binding clip (17), and the sharp-nose binding clip (17) and the arc binding clip (6) form a sliding structure.

6. The clamping mechanism of the automatic girth welding machine applied to the corrugated pipe as claimed in claim 1, wherein: the pull rod (14) and the hand wheel (13) form a sliding structure, and the pull rod (14) is connected with the arc tong head (6) in a clamping manner.

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