CN210139158U

CN210139158U - Clamp for welding heating and ventilation pipe

Info

Publication number: CN210139158U
Application number: CN201920918993.9U
Authority: CN
Inventors: 何鹏亮; 冯宣铭
Original assignee: North China University of Science and Technology
Current assignee: North China University of Science and Technology
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-13
Anticipated expiration: 2029-06-19

Abstract

The utility model belongs to the technical field of welding clamps, in particular to a heating and ventilation pipe welding clamp which comprises a welding table, the top of the welding table is sequentially provided with a first hydraulic cylinder, a second hydraulic cylinder and a connecting column from left to right, the second hydraulic cylinder is positioned at the center of the top of the welding table, the top of the piston rod of the first hydraulic cylinder is connected with an upper clamping plate, the right side of the bottom of the upper clamping plate is contacted with the top of the connecting column, the bottom of the upper clamping plate is provided with an arc-shaped groove, the bottom of the arc-shaped groove is uniformly connected with a clamping mechanism which comprises a clamping shell, the top of the inner cavity of the clamping shell is inserted with a spring, the bottom of the spring is connected with a silica gel pad, the both ends of arc wall are connected with the rubber pad foot, the top of second pneumatic cylinder piston rod is connected with the lower plate, and this device is stable to the centre gripping of warm siphunculus, and can not damage the outer wall of warm siphunculus.

Description

Clamp for welding heating and ventilation pipe

Technical Field

The utility model relates to a welding is with anchor clamps technical field, specifically is a warm clamp for pipe welding.

Background

The clamp is used as an auxiliary tool, is widely applied to the aspects of production and life of people, has great help to the daily life of people, has the application scene of the clamp in the aspect of welding of the warm through pipe, and greatly saves manpower.

For example, chinese utility model application number is CN 201420174172.6's anchor clamps in warm siphunculus welding, including the supporting seat, supporting seat upper portion is equipped with anchor clamps, and the supporting seat includes the base, is equipped with the stand on the base, and stand upper portion is equipped with anchor clamps, and the whole profile of anchor clamps is the cuboid type, and four ends of the perpendicular of anchor clamps are equipped with the positioning seat respectively.

However, the existing welding clamp has the problems that the clamping of the warm through pipe is not stable enough, and the outer wall of the warm through pipe is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a warm clamp for siphunculus welding to the centre gripping to warm siphunculus that provides is not stable enough in solving above-mentioned background art, and damages the problem of the outer wall of warm siphunculus easily.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for welding a heating and ventilation pipe comprises a welding table, wherein a first hydraulic cylinder, a second hydraulic cylinder and a connecting column are sequentially arranged at the top of the welding table from left to right, the second hydraulic cylinder is positioned at the center of the top of the welding table, the top of a piston rod of the first hydraulic cylinder is connected with an upper clamp plate, the right side of the bottom of the upper clamp plate is in contact with the top of the connecting column, an arc-shaped groove is formed in the bottom of the upper clamp plate, the bottom of the arc-shaped groove is uniformly connected with a clamping mechanism, the clamping mechanism comprises a clamping shell, a spring is inserted into the top of an inner cavity of the clamping shell, the bottom of the spring is connected with a silica gel pad, rubber pad feet are connected at two ends of the arc-shaped groove, a lower clamp plate is connected with the top of a piston rod of the second hydraulic cylinder, two sets of symmetrical, and elastic cloth is connected between the two groups of torsion springs, the elastic cloth penetrates through the tops of the two groups of cambered surface clamps respectively and is connected with the torsion springs, the outer wall of one side of the two groups of cambered surface clamps, which are back to each other, is connected with a pull rod, and the other end of the pull rod penetrates through the outer wall of the lower clamping plate and is connected with a pull handle.

Preferably, the front side and the rear side of the bottom of the arc surface clamp are connected with sliding rails through sliding blocks and the top of the lower clamping plate.

Preferably, a connecting cylinder is sleeved at the joint of the pull rod and the pull handle, the connecting cylinder is connected to the pull handle through a screw, and the pull rod is movably inserted into an inner cavity of the connecting cylinder.

Preferably, one end of the pull handle close to the arc clamp is provided with a wave groove.

Preferably, the clamping block has been seted up on the bottom right side of punch holder, the card hole that corresponds with the clamping block position is seted up at the top of spliced pole, the punch holder passes through the clamping block and the card hole joint is at the top of spliced pole.

Preferably, four corners of the top of the connecting column are all of a round corner structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the warm through pipe can be firmly clamped through the matching of the clamping mechanism and the cambered surface clamp;

2) the upper surface of the warm through pipe can be prevented from being damaged by the matching of the clamping mechanism and the rubber foot pad;

3) the damage to the lower surface of the warm-up through pipe can be avoided through the combination of the arc-shaped clamp and the elastic cloth.

Drawings

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

FIG. 2 is a schematic view of the structural upper clamping plate of the present invention when not connected to the connecting column;

fig. 3 is the structure schematic diagram of the clamping mechanism of the utility model:

fig. 4 is a cross-sectional view of the lower plate structure of the present invention.

In the figure: the device comprises a welding table 1, a first hydraulic cylinder 2, a second hydraulic cylinder 3, a connecting column 4, an upper clamping plate 5, an arc-shaped groove 6, a clamping mechanism 7, a clamping shell 71, a spring 72, a silica gel pad 73, a rubber pad foot 8, a lower clamping plate 9, a cambered surface clamp 10, a torsion spring 11, elastic cloth 12, a pull rod 13, a pull handle 14, a slide rail 15, a connecting cylinder 16 and a clamping block 17.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a warm anchor clamps for welding of siphunculus, includes welding bench 1, and the top of welding bench 1 has from left to right set gradually first pneumatic cylinder 2, second pneumatic cylinder 3 and spliced pole 4, and second pneumatic cylinder 3 passes through bolted connection at the top center of welding bench 1, and first pneumatic cylinder 2 passes through bolted connection at the top of welding bench 1, and spliced pole 4 welding is at the top of welding bench 1.

The top of the piston rod of the first hydraulic cylinder 2 is connected with an upper clamping plate 5, the right side of the bottom of the upper clamping plate 5 is in contact with the top of the connecting column 4, the upper clamping plate 5 is sleeved on the outer wall of the top of the piston rod of the first hydraulic cylinder 2, the bottom of the upper clamping plate 5 is provided with an arc-shaped groove 6, the bottom of the arc-shaped groove 6 is evenly connected with a clamping mechanism 7 through a strong adhesive, the clamping mechanism 7 comprises a clamping shell 71, the top of the inner cavity of the clamping shell 71 is inserted with a spring 72 through an arranged jack, the bottom of the spring 72 is connected with a silica gel pad 73, the bottom of the spring 72 is embedded into the top of the silica gel pad 73, two ends of the arc-shaped groove 6 are connected with rubber pad feet 8 through screws, the top of the piston rod of the second hydraulic cylinder 3 is sleeved with a lower clamping plate, be connected with elasticity cloth 12 between two sets of torsional springs 11, elasticity cloth 12 is spandex system elasticity cloth, and elasticity cloth 12 run through the top of two sets of cambered surface anchor clamps 10 respectively and be connected with torsional spring 11, and elasticity cloth 12 twines on torsional spring 11, and one side outer wall that two sets of cambered surface anchor clamps 10 carried on the back mutually all is connected with pull rod 13, and pull rod 13's the other end runs through the outer wall of lower plate 9 and is connected with and draws 14.

Wherein, the side all is connected with the slider around the bottom of cambered surface anchor clamps 10, be connected with slide rail 15 with the top of splint 9, cambered surface anchor clamps 10 passes through slider sliding connection on slide rail 15, increases the smoothness nature that cambered surface anchor clamps 10 removed.

The connecting cylinder 16 is sleeved at the joint of the pull rod 13 and the pull handle 14, the connecting cylinder 16 is connected to the pull handle 14 through a screw, the pull rod 13 is movably inserted into the inner cavity of the connecting cylinder 16, and the pull handle 14 can be adjusted to rotate to an angle convenient for force application through the connecting cylinder 16.

One end of the pull handle 14 close to the arc clamp 10 is provided with a wave groove, which is more convenient for fingers to hold the wave groove to apply force to pull the pull handle 14.

Fixture block 17 has been seted up on the bottom right side of punch holder 5, and the card hole that corresponds with fixture block 17 position is seted up at the top of spliced pole 4, and punch holder 5 passes through fixture block 17 and the card hole joint at the top of spliced pole 4 for the connection that punch holder 5 can be stable at spliced pole 4 can not miss and bump its skew, prevents consequently to damage the piston rod of first pneumatic cylinder 2.

The top four corners of spliced pole 4 is the fillet structure, prevents that warm siphunculus from being scratched by spliced pole 4 when passing through the clearance of punch holder 5 and spliced pole 4.

The working principle is as follows: the whole device is placed near a heating through pipe and communicated with an external power supply, a first hydraulic cylinder 2 is started to lift an upper clamping plate 5, the heating through pipe reaches the upper part of an arc-shaped clamp 10 through a gap between the upper clamping plate 5 and a connecting column 4, the pull rod is pulled through a pull handle 14 to pull the arc-shaped clamp 10 open, the distance between two groups of arc-shaped clamps 10 is adjusted to adapt to the outer diameter of the heating through pipe, an elastic cloth 12 is pulled out from a torsion spring 11 and tightened in the process of pulling the arc-shaped clamp 10 open, the elastic cloth 12 is regenerated on the torsion spring 11 after elastic deformation of the elastic cloth 12 is recovered, the lower surface of the heating through pipe is prevented from being scratched by a gap between the two groups of arc-shaped clamps 10, the heating through pipe is placed at the tops of the arc-shaped clamp 10 and the elastic cloth 12 when adjustment is carried out, the upper clamping plate 5 is connected with the connecting column 4 through a clamping block 17 by adjusting the first hydraulic cylinder 2 to pull down, and then a, the silica gel pad 73 firstly contacts with the warm through pipe, then the descending process of the upper clamping plate 5 enables the silica gel pad 73 to be moderately deformed and compress the spring 72, the first hydraulic cylinder 2 and the second hydraulic cylinder 3 are closed after the warm through pipe contacts with the bottom of the clamping shell 71, so that the whole warm through pipe is firmly clamped, and the outer wall of the warm through pipe cannot be damaged.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of 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 invention 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

1. The utility model provides a warm anchor clamps for welding of siphunculus, includes welding bench (1), its characterized in that: the welding bench is characterized in that a first hydraulic cylinder (2), a second hydraulic cylinder (3) and a connecting column (4) are sequentially arranged at the top of the welding bench (1) from left to right, the second hydraulic cylinder (3) is located at the top center of the welding bench (1), the top of a piston rod of the first hydraulic cylinder (2) is connected with an upper clamping plate (5), the right side of the bottom of the upper clamping plate (5) is in contact with the top of the connecting column (4), an arc-shaped groove (6) is formed in the bottom of the upper clamping plate (5), clamping mechanisms (7) are uniformly connected to the bottom of the arc-shaped groove (6), each clamping mechanism (7) comprises a clamping shell (71), a spring (72) is inserted into the top of an inner cavity of the clamping shell (71), the bottom of the spring (72) is connected with a silica gel pad (73), two ends of the arc-shaped groove (6) are connected with rubber pad feet (8), the top center of lower plate (9) is provided with cambered surface anchor clamps (10) of two sets of symmetries, and is two sets of the inner chamber bottom of cambered surface anchor clamps (10) all is connected with torsional spring (11), two sets of be connected with elasticity cloth (12) between torsional spring (11), and elasticity cloth (12) run through the top of two sets of cambered surface anchor clamps (10) respectively and be connected with torsional spring (11), and are two sets of one side outer wall that cambered surface anchor clamps (10) carried on the back mutually all is connected with pull rod (13), the other end of pull rod (13) runs through the outer wall of lower plate (9) and is connected with and draws (14).

2. The heating and ventilating pipe welding clamp of claim 1, wherein: the front side and the rear side of the bottom of the cambered surface clamp (10) are connected with a sliding rail (15) through a sliding block and the top of the lower clamping plate (9).

3. The heating and ventilating pipe welding clamp of claim 1, wherein: the connecting cylinder (16) is sleeved at the joint of the pull rod (13) and the pull handle (14), the connecting cylinder (16) is connected to the pull handle (14) through a screw, and the pull rod (13) is movably inserted into the inner cavity of the connecting cylinder (16).

4. The heating and ventilating pipe welding clamp of claim 1, wherein: one end of the pull handle (14) close to the cambered surface clamp (10) is provided with a wave groove.

5. The heating and ventilating pipe welding clamp of claim 1, wherein: the fixture block (17) has been seted up on the bottom right side of punch holder (5), the card hole that corresponds with fixture block (17) position is seted up at the top of spliced pole (4), punch holder (5) are through fixture block (17) and card hole joint at the top of spliced pole (4).

6. The heating and ventilating pipe welding clamp of claim 1, wherein: and four corners of the top of the connecting column (4) are all of a round angle structure.