CN210731511U

CN210731511U - Clamping device for welding heat exchanger

Info

Publication number: CN210731511U
Application number: CN201921790639.9U
Authority: CN
Inventors: 李莉
Original assignee: Wuxi Dongyue Machinery Equipment Manufacturing Co ltd
Current assignee: Wuxi Dongyue Machinery Equipment Manufacturing Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-06-12
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a clamping device for welding heat exchanger, including the working plate, the top surface of working plate is fixed with the first anchor clamps that are used for horizontal centre gripping and the second anchor clamps that are used for vertical centre gripping, first anchor clamps and second anchor clamps structure are the same and all include the dead lever, the fixed plate, the axostylus axostyle, fly leaf and running-board, the bottom of two dead levers all with the top surface welding of working plate, and the line between two dead levers is neither perpendicular nor parallel with the edge of working plate, the fixed plate is L shape, and the one end of fixed plate bottom side welds with one side on dead lever top, the fly leaf is rectangular shape, and the top side of fixed plate and fly leaf flushes, one side that the dead lever is close to the fly leaf bottom is fixed with the outer wall of. Through the cooperation of above each device, can simplify the process of angle definite when the heat exchanger combination welding to can prevent that the heat exchanger curb plate from taking place relative displacement when the welding, can reduce the error.

Description

Clamping device for welding heat exchanger

Technical Field

The utility model relates to a heat exchanger welding centre gripping correlation technique field specifically is a clamping device for welding heat exchanger.

Background

The heat exchanger curb plate is making up the welding process in, need carry out the centre gripping to the heat exchanger curb plate and fix in order to make things convenient for welding operation, however current clamping device only fixes a heat exchanger curb plate, still need protractor or set-square to look for the operation of angle when the welding, it is also comparatively loaded down with trivial details also comparatively troublesome, and after the angle is looked for accurately, arouse the displacement between two spare parts again easily when the welding, and then increase error, so need one kind can be fixed with perpendicular to vertical direction between the heat exchanger curb plate urgently, reduce the clamping device of error.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device for welding heat exchanger to solve the heat exchanger that proposes among the above-mentioned background art comparatively loaded down with trivial details of the definite process of angle when the welding, the problem of error appears easily.

In order to achieve the above object, the utility model provides a following technical scheme: the clamping device for the welding heat exchanger comprises a working plate, wherein a first clamp for transverse clamping and a second clamp for longitudinal clamping are fixed on the top surface of the working plate, and the first clamp and the second clamp are identical in structure and respectively comprise a fixed rod, a fixed plate, a shaft rod, a movable plate and a pedal plate.

Preferably, the bottom ends of the two fixing rods are welded with the top surface of the working plate.

Preferably, the fixed plate is L-shaped, one end of the bottom side of the fixed plate is welded with one side of the top end of the fixed rod, the movable plate is strip-shaped, and the top sides of the fixed plate and the movable plate are flush.

Preferably, one side of the bottom end of the movable plate, which is close to the fixed rod, is fixed to the outer wall of the shaft lever, the outer walls at the two ends of the shaft lever are respectively sleeved with a bearing, and the outer walls of the two bearings and one side of the fixed rod, which is close to the movable plate, are fixed.

Preferably, the outer wall of axostylus axostyle has cup jointed the torsional spring, the both ends of torsional spring are fixed with the outer wall of dead lever and the one side that the fly leaf is close to the dead lever respectively.

Preferably, one end of the pedal plate is fixed on one side, away from the fixed rod, of the top end of the movable plate, the top surface, away from the movable plate, of the pedal plate is provided with anti-skidding threads, and the length of the pedal plate is larger than the distance from the top end of the fixed plate to the top end of the fixed rod by 3-5 cm.

Preferably, a plurality of movable holes are formed in the top end of the fixed rod at equal intervals, steel balls capable of freely rotating in the movable holes are installed in the movable holes, and the size of the steel balls extending out of the movable holes is one third of the volume of the steel balls.

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

1. in the utility model, the gap between the movable plate and the fixed plate is enlarged by stepping on the pedal plate, the side plate of the heat exchanger is put into the gap, and the stepping on the pedal plate is stopped, under the action of the torsion spring, the movable plate deflects towards the fixed plate and clamps the side plate of the heat exchanger, and the included angle between the two heat exchanger clamping plates can be fixed at 90 degrees, when a gap exists at the end parts of the two heat exchanger clamping plates, the pedal is treaded to separate the movable plate from the fixed plate, the heat exchanger side plate can move in the gap between the fixed plate and the movable plate until no gap is formed at the joint between the fixed plate and the movable plate, the clamping device can assemble and weld the heat exchanger side plate, the angle is not limited by angle measuring equipment, so that the error in angle limitation can be reduced, the heat exchanger side plates can be tightly fixed, and the condition that the relative displacement between the heat exchanger side plates increases the error in welding operation is prevented.

2. The utility model discloses, when the heat exchanger curb plate slided between fly leaf and fixed plate, through the rotation of steel ball in the movable hole inside, can reduce the area of direct contact between heat exchanger curb plate and the dead lever, and then reduce frictional force between the two.

Drawings

Fig. 1 is a schematic view of a fixing rod structure according to an embodiment of the present invention;

FIG. 2 is a top view of a working plate structure according to an embodiment of the present invention;

fig. 3 is a side view of the shaft rod structure according to the embodiment of the present invention.

In the figure: 1. a working plate; 2. a first clamp; 3. a second clamp; 4. fixing the rod; 41. a movable hole; 42. steel balls; 5. a fixing plate; 6. a shaft lever; 61. a bearing; 62. a torsion spring; 7. a movable plate; 8. a foot pedal; 81. anti-skid lines; 9. a non-slip mat.

Detailed Description

In order to simplify the process of angle determination during the combined welding of the heat exchanger, prevent the relative displacement between the side plates of the heat exchanger during the welding operation and reduce the error, the clamping device for the welding heat exchanger is particularly provided. 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.

Example 1

Referring to fig. 1-3, the present embodiment provides a clamping device for a welding heat exchanger, including a working plate 1, a first clamp 2 for transverse clamping and a second clamp 3 for longitudinal clamping are fixed on a top surface of the working plate 1, and the first clamp 2 and the second clamp 3 have the same structure and each include a fixing rod 4, a fixing plate 5, a shaft rod 6, a movable plate 7 and a pedal plate 8.

The bottom ends of the two fixing rods 4 are welded with the top surface of the working plate 1, and a connecting line between the two fixing rods 4 is not perpendicular to or parallel to the edge of the working plate 1, so that the distance between the two fixing rods 4 is further increased, the welding clamp device is suitable for welding and clamping a large-size heat exchanger side plate, the distance between a contact end of the heat exchanger side plate and the fixing rods 4 can be increased, and enough operation space can be reserved for welding operation.

The fixed plate 5 is L-shaped, one end of the bottom side of the fixed plate 5 is welded with one side of the top end of the fixed rod 4, the movable plate 7 is long-strip-shaped, and the top sides of the fixed plate 5 and the movable plate 7 are flush.

One side that the dead lever 4 is close to in fly leaf 7 bottom is fixed with the outer wall of axostylus axostyle 6, and the outer wall at axostylus axostyle 6 both ends has all cup jointed bearing 61, and the outer wall of two bearing 61 is fixed with one side that dead lever 4 is close to fly leaf 7.

The outer wall of axostylus axostyle 6 has cup jointed torsional spring 62, and the both ends of torsional spring 62 are fixed with the outer wall of dead lever 4 and the one side that fly leaf 7 is close to dead lever 4 respectively.

One end of the pedal plate 8 is fixed on one side, far away from the fixed rod 4, of the top end of the movable plate 7, anti-skid grains 81 are formed in the top surface, far away from one end of the movable plate 7, of the pedal plate 8, the length of the pedal plate 8 is larger than the distance from the top end of the fixed plate 5 to the top end of the fixed rod 4 by 3-5cm, and the direction of the anti-skid grains 81 is parallel to the direction of the extension line of the.

A plurality of movable holes 41 are formed in the top end of the fixed rod 4 at equal intervals, steel balls 42 capable of freely rotating in the movable holes 41 are installed in the movable holes 41, and the size of the steel balls 42 extending out of the movable holes 41 is one third of the volume of the steel balls.

In this embodiment, the lateral wall that fly leaf 7 and fixed plate 5 are close to mutually all is fixed with the slipmat 9 of rubber material, and running-board 8 is fixed and is close to top department in fly leaf 7 one side, and the working plate 1 is any one material in the timber of rectangle or the iron all can, and the extension line of

first anchor clamps

2 and 3 centre gripping stations of second anchor clamps assembles in a point, and mutually perpendicular.

When the heat exchanger side plate is used, firstly, one pedal 8 in the first clamp 2 or the second clamp 3 is treaded by feet, according to the lever principle, the pedal 8 drives the movable plate 7 to deflect in the direction away from the fixed plate 5 by taking the shaft rod 6 as an axial direction, in the deflection process, the shaft rod 6 and the bearing 61 rotate relatively, the torsion spring 62 exerts force, at the moment, the gap between the movable plate 7 and the fixed plate 5 is enlarged, when the gap is enough to be placed in the heat exchanger side plate, the force exerted on the pedal 8 is stopped, the heat exchanger side plate is held by hands, one side of the side plate is inserted into the gap between the movable plate 7 and the fixed plate 5 along the vertical direction, then the pedal 8 is loosened, under the action of the torsion spring 62, the movable plate 7 deflects in the direction close to the fixed plate 5 by taking the shaft rod 6 as the axial direction, the clamping of the heat exchanger side plate is carried, and the last two heat exchanger side plates are in a mutually vertical state.

If the end parts of the two heat exchanger side plates are not in contact, the pedals 8 are respectively stepped by feet to enlarge the gap between the movable plate 7 and the fixed plate 5, then the side plates of the heat exchanger are moved by hands, the end parts of the two heat exchanger side plates are mutually close until being in contact, the preset welding requirement is met, when the heat exchanger side plates slide in the gap between the fixed plate 5 and the movable plate 7, the steel balls 42 rotate in the movable holes 41, and the heat exchanger side plates slide on the top ends of the fixed rods 4 more smoothly without pause and contusion.

Through the cooperation of above each device, can simplify the process of angle definite when the heat exchanger combination welding to can prevent that the heat exchanger curb plate from taking place relative displacement when the welding, can reduce the error.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1: the bottom of two dead levers 4 all welds with the top surface of working plate 1, and the line between two dead levers 4 is neither perpendicular nor parallel with the edge of working plate 1, a plurality of movable holes 41 have been seted up to the top equidistance of dead lever 4, the internally mounted of movable hole 41 has steel ball 42 that can freely rotate at its inside, the size that steel ball 42 stretches out movable hole 41 is one third of self volume, when the heat exchanger curb plate slides between fly leaf 7 and fixed plate 5, through the inside rotation of steel ball 42 in movable hole 41, can reduce the direct contact area between heat exchanger curb plate and the dead lever 4, and then reduce frictional force between the two.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 clamping device for welding heat exchanger, includes working plate (1), its characterized in that: the top surface of the working plate (1) is fixedly provided with a first clamp (2) for transverse clamping and a second clamp (3) for longitudinal clamping, and the first clamp (2) and the second clamp (3) have the same structure and respectively comprise a fixed rod (4), a fixed plate (5), a shaft lever (6), a movable plate (7) and a pedal plate (8).

2. The clamping device for the welding heat exchanger according to claim 1, wherein: the bottom ends of the two fixing rods (4) are welded with the top surface of the working plate (1).

3. The clamping device for the welding heat exchanger according to claim 1, wherein: the fixing plate (5) is L-shaped, one end of the bottom side of the fixing plate (5) is welded with one side of the top end of the fixing rod (4), the movable plate (7) is long-strip-shaped, and the top sides of the fixing plate (5) and the movable plate (7) are flush.

4. The clamping device for the welding heat exchanger according to claim 1, wherein: one side, close to the fixed rod (4), of the bottom end of the movable plate (7) is fixed to the outer wall of the shaft rod (6), bearings (61) are sleeved on the outer walls of the two ends of the shaft rod (6), and the outer walls of the two bearings (61) are fixed to one side, close to the movable plate (7), of the fixed rod (4).

5. The clamping device for the welding heat exchanger according to claim 1, wherein: the outer wall of axostylus axostyle (6) has cup jointed torsional spring (62), the both ends of torsional spring (62) are fixed with the outer wall of dead lever (4) and one side that fly leaf (7) are close to dead lever (4) respectively.

6. The clamping device for the welding heat exchanger according to claim 1, wherein: one end of the pedal plate (8) is fixed on one side, far away from the fixing rod (4), of the top end of the movable plate (7), the top surface, far away from one end of the movable plate (7), of the pedal plate (8) is provided with anti-skidding threads (81), and the length of the pedal plate (8) is larger than the distance from the top end of the fixing plate (5) to the top end of the fixing rod (4) by 3-5 cm.

7. The clamping device for the welding heat exchanger according to claim 1, wherein: a plurality of movable holes (41) are formed in the top end of the fixed rod (4) at equal intervals, steel balls (42) capable of freely rotating in the movable holes (41) are installed in the movable holes (41), and the size of the steel balls (42) extending out of the movable holes (41) is one third of the volume of the steel balls.