CN218964474U

CN218964474U - Cam pump flange welding is with auxiliary fixtures

Info

Publication number: CN218964474U
Application number: CN202222536096.6U
Authority: CN
Inventors: 龙杰飞; 孙学辉; 孟剑; 高伟
Original assignee: Qingdao Roeder General Machinery Equipment Co ltd
Current assignee: Qingdao Roeder General Machinery Equipment Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-05-05
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses an auxiliary tool for welding a cam pump flange, and belongs to the technical field of flange welding equipment. The utility model provides a cam pump flange welding is with auxiliary fixtures, includes first disk body, and first disk body is hollow out construction, still includes: the first clamping blocks are uniformly distributed on the circumference and are connected to the first disk body in a sliding manner, wherein a first turbine disk is rotationally connected in the first disk body, and the first turbine disk is meshed with the first clamping blocks through a first worm structure; one end of the extension rod is fixedly connected with a second disc body, an arc-shaped top block is connected to the second disc body in a sliding manner, a second turbine disc is connected to the extension rod in a rotating manner, and the second turbine disc is meshed with the arc-shaped top block through a second worm structure; the utility model can clamp flanges with different diameters, and can ensure that the axes of the flanges to be welded are coincident with the axis of the pipeline, thereby improving the welding precision and ensuring the quality of subsequent use.

Description

Cam pump flange welding is with auxiliary fixtures

Technical Field

The utility model relates to the technical field of flange welding equipment, in particular to an auxiliary tool for flange welding of a cam pump.

Background

The cam pump is a stable and efficient volumetric pump, the product adopts two rotors which move synchronously, the rotors are driven by a pair of external synchronous gearboxes, and the rotors rotate synchronously in opposite directions under the drive of a transmission shaft, so that higher vacuum degree and discharge pressure are formed, and flange plates are usually required to be installed on an input end and an output end of the cam pump so as to facilitate the subsequent external connection of pipelines or other connecting devices for transmitting internal media of a pump body.

In the prior art, in the process of a cam pump transmission medium, other connecting pipelines are required to be installed on a flange plate on the cam pump, before connection, the flange plate is required to be welded on the cam pump, in the installation process, the flange plate and the input end or the output end of the cam pump are required to be pre-fixed by multiple people to operate, the pre-welding is usually performed in a manual supporting mode, and when the welding is performed, shaking possibly occurs to reduce welding precision, so that the subsequent use is influenced.

Disclosure of Invention

The utility model aims to solve the problem that the shaft core is difficult to align and easy to shake when pre-fixed before welding in the prior art, and provides an auxiliary tool for welding a flange of a cam pump.

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

the utility model provides an auxiliary fixtures is used in cam pump flange welding, includes first disk body, first disk body is hollow out construction, still includes: the first clamping blocks are uniformly distributed on the circumference and are connected to the first disk body in a sliding manner, a first turbine disk is rotationally connected in the first disk body, and the first turbine disk is meshed with the first clamping blocks through a first spiral structure; the extension rod is connected with the first disc body in a sliding manner, the axis of the extension rod coincides with that of the first disc body, one end of the extension rod is fixedly connected with a second disc body, an arc-shaped jacking block is connected to the second disc body in a sliding manner, a second turbine disc is connected to the extension rod in a rotating manner, and the second turbine disc is meshed with the arc-shaped jacking block through a second spiral structure.

In order to improve the clamping strength and the accuracy of the first clamping block, preferably, the first worm structure comprises a first worm wire coil arranged on the first turbine disc, the bottom of the first clamping block is fixedly connected with a first movable block, a first rack is arranged on the first movable block, and the first rack is meshed with the first worm wire coil.

In order to guarantee the accuracy and the stability of arc kicking block, further, second worm structure is including setting up the second worm dish silk on the second turbine disk, the bottom fixedly connected with second movable block of arc kicking block, be provided with the second rack on the second movable block, second rack meshes with second worm dish silk.

In order to facilitate smooth movement of the flange, preferably, a sleeve is fixedly connected to the first disc body, and the sleeve is sleeved on the extension rod.

In order to be convenient for carry out manual regulation and control to the pivot, further, the extension rod internal rotation is provided with the pivot, pivot fixed connection is on the second turbine disk, the one end fixedly connected with knob that keeps away from the second disk body in the pivot.

In order to improve the convenience of the device, preferably, two groups of grips are symmetrically arranged on the first tray body.

Compared with the prior art, the utility model provides an auxiliary tool for welding the cam pump flange, which has the following beneficial effects:

1. this cam pump flange welding is with auxiliary fixtures drives three first movable blocks of group and is close to or outwards extend to the center through first spiral shell line wire rotation for press from both sides the ring flange of different diameter size, still can make extension rod and the axis coincidence of ring flange automatically in the centre gripping.

2. This auxiliary fixtures is used in cam pump flange welding outwards extends and laminating mutually with the pipeline inner wall through the arc kicking block, when playing fixed effect, still can make extension rod and ring flange's axis be in same horizontal height automatically, when improving welding precision, also can guarantee the quality of follow-up use.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, the flange plates with different diameters can be clamped, the axes of the flange plates to be welded and the pipeline are overlapped, the welding precision is improved, and the quality of subsequent use is ensured.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary tool for welding a cam pump flange;

fig. 2 is a schematic structural diagram II of an auxiliary tool for welding a cam pump flange provided by the utility model;

fig. 3 is a schematic structural diagram III of an auxiliary tool for welding a cam pump flange;

fig. 4 is a schematic structural view of a portion a in fig. 3 of an auxiliary tool for welding a lobe pump flange.

In the figure: 1. a first tray; 101. a grip; 2. a sleeve; 3. a first turbine disk; 4. a first spiral wire; 5. a first movable block; 501. a first rack; 6. a first clamping block; 7. an extension rod; 701. a second tray body; 702. an arc-shaped top block; 703. a second movable block; 704. a second rack; 8. a rotating shaft; 801. a second turbine disk; 802. a second spiral wire; 9. and (5) a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

referring to fig. 1-4, an auxiliary fixture for welding a cam pump flange comprises a first disk body 1 with a circular hollow structure made of iron or stainless steel, at least three groups of first clamping blocks 6 are installed on the first disk body 1, the first clamping blocks 6 are circumferentially uniformly distributed on the first disk body 1, a first turbine disk 3 is installed in the first disk body 1, the first turbine disk 3 is meshed with the first clamping blocks 6 through a first spiral structure in the process of rotating the first disk body 1, and for flanges with different diameters, the first clamping blocks 6 on the first turbine disk 3 can be enabled to slide, expand or slide and clamp on the first disk body 1 in a mode of externally connecting a motor, a driver or driving the first turbine disk 3 to rotate so as to clamp the flanges;

in addition, the axis coincidence of extension rod 7 and first disk body 1, through the axis at the centre gripping in-process, the axis of ring flange is looked for to the extension rod 7 automation, make the automatic position that is in the axle center of extension rod 7, again with the arc kicking block 702 on the extension rod 7, stretch into in the pipe that needs welded on the cam pump, rotate through pivot 8, drive arc kicking block 702 outwards expand, the arc kicking block 702 of arc setting can closely laminate the inner wall of pipe, in the in-process of looking for the axis, can make extension rod 7 tend to stabilize, prevent to produce the phenomenon of rocking when the welding, above-mentioned structure, make the axis of ring flange correspond with the axis of pipe on the cam pump, thereby carry out high accurate welding to ring flange and cam pump, in order to improve subsequent result of use.

In order to better fit the structural design of this scheme, the suitability design has been done to the rotation of first turbine disk 3, through hollow out construction's first disk body 1, can directly manually rotate first turbine disk 3, first turbine disk 3 is the locking connection with first grip block 6, install on first turbine disk 3 and be provided with first spiral shell line dish silk 4, install first rack 501 in the bottom of first grip block 6, and first spiral shell dish silk 4 on first turbine disk 3 is slightly greater than first rack 501 that sets up on the first movable block 5, rotate through first spiral shell dish silk 4, first spiral shell dish silk 4 drives three first movable block 5 of group simultaneously and is close to or withdraw from to the center for press from both sides the ring flange of different diameter sizes, because the pitch of the screw thread on the first spiral shell dish silk 4 is equal, so the motion distance of first movable block 5 equals, have automatic centre gripping or automatic expanding effect, so that follow-up in the in-process of centre gripping ring flange can look for the axis of ring flange automatically.

It should be explained that, in the extending process of the arc-shaped top block 702, the second turbine disk 801 is driven to rotate by the rotating shaft 8, the arc-shaped top block 702 on the second disk 701 is driven to extend outwards or shrink inwards by adjusting the rotating direction, the second turbine disk 801 is meshed with the second rack 704 on the second movable block 703, the second turbine disk 801 is rotated by the rotating shaft 8, the second turbine disk 801 drives the second spiral wire 802 to rotate, and then the arc-shaped top block 702 is driven to move, and in the moving process, the arc-shaped top block 702 is tightly attached to the inner wall of the circular tube of the cam pump, so that the fixing effect is achieved, and meanwhile, the extending rod 7 and the flange plate axis are automatically located at the same horizontal height.

In order to facilitate the movement of the flange, the sleeve 2 is welded at the center of the first disc body 1, the sleeve 2 is sleeved on the extension rod 7, after the clamping of the flange is completed, the extension rod 7 is extended into a cam pump pipeline to be welded, the knob 9 on the rotating shaft 8 is manually rotated, the arc-shaped top block 702 is outwards extended until being attached to the inner wall of the pipeline, then two groups of handles 101 are held, the first disc body 1 is pushed to the cam pump pipeline to be attached to the cam pump pipeline, then pre-welding is performed, and then ring welding is performed, so that the welding precision is improved while the flange processing welding of different sizes is met, and the quality of subsequent use is ensured.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an auxiliary fixtures is used in cam pump flange welding, includes first disk body (1), first disk body (1) are hollow out construction, its characterized in that still includes:

at least three groups of first clamping blocks (6) are uniformly distributed and slidingly connected on the first disc body (1) in circumference,

the first turbine disc (3) is rotationally connected with the first disc body (1), and the first turbine disc (3) is meshed with the first clamping block (6) through a first worm structure;

an extension rod (7) connected with the first disc body (1) in a sliding way, the extension rod (7) coincides with the axis of the first disc body (1),

one end of the extension rod (7) is fixedly connected with a second disc body (701), an arc-shaped top block (702) is connected to the second disc body (701) in a sliding mode, a second turbine disc (801) is connected to the extension rod (7) in a rotating mode, and the second turbine disc (801) is meshed with the arc-shaped top block (702) through a second worm structure.

2. The auxiliary fixture for welding the cam pump flange according to claim 1, wherein the first worm structure comprises a first worm wire (4) arranged on the first turbine disc (3), a first movable block (5) is fixedly connected to the bottom of the first clamping block (6), a first rack (501) is arranged on the first movable block (5), and the first rack (501) is meshed with the first worm wire (4).

3. The auxiliary fixture for welding the flange of the cam pump according to claim 1 or 2, wherein the second spiral structure comprises a second spiral wire (802) arranged on a second turbine disc (801), a second movable block (703) is fixedly connected to the bottom of the arc-shaped top block (702), a second rack (704) is arranged on the second movable block (703), and the second rack (704) is meshed with the second spiral wire (802).

4. The auxiliary fixture for welding the cam pump flange according to claim 1, wherein a sleeve (2) is fixedly connected to the first disc body (1), and the sleeve (2) is sleeved on the extension rod (7).

5. The auxiliary fixture for welding the cam pump flange according to claim 4, wherein a rotating shaft (8) is rotationally arranged on the extension rod (7), one end of the rotating shaft (8) is fixedly connected to the second turbine disc (801), and the other end of the rotating shaft (8) is fixedly connected with a knob (9).

6. The auxiliary fixture for welding the cam pump flange according to claim 1, wherein two groups of grips (101) are symmetrically arranged on the first disc body (1).