CN216326047U

CN216326047U - Combined transition clamp for welding seal head, joint and skirt welding seam

Info

Publication number: CN216326047U
Application number: CN202120744346.8U
Authority: CN
Inventors: 赵清辰; 杨军; 刘丽莉; 熊然; 张珊; 尚勇; 何楠; 张荣选; 张少博; 杨礼军; 杨波; 赵武
Original assignee: Xi'an Spaceflight Power Machinery Co ltd
Current assignee: Xi'an Spaceflight Power Machinery Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-04-19
Anticipated expiration: 2031-04-13

Abstract

The invention relates to a combined transition clamp for welding a seal head and a joint and skirt weld joint, belonging to the field of welding clamps; comprises a base, a combined supporting tool and a hook bolt; a circular boss is arranged at the center of the upper end face of an upper disc of the base, and a key slot and a long slot hole are formed in the end face along the radial direction; the combined support is in a disc structure, a circular groove is formed in the center of the lower end face of the combined support and is used as a positioning hole to be matched and installed with the circular boss of the upper disc; the outer peripheral surface of the combined support tool is provided with a plurality of fan-shaped bulges along the circumferential direction, the outer arc surfaces of the fan-shaped bulges are positioned on the same circumference and used for positioning the joint, and each fan-shaped bulge is provided with a square hole; the lower end surface of the combined support tool is provided with a fixed key along the radial direction and is matched with the key groove of the upper disc for installation; the hook bolt sequentially penetrates through the square hole of the combined support tool and the long slotted hole of the upper disc and is screwed and fixed through the nut. The invention realizes the automatic centering of the clamp, reduces the complexity of assembly, reduces the labor intensity of workers and improves the production efficiency.

Description

Combined transition clamp for welding seal head, joint and skirt welding seam

Technical Field

The invention belongs to the field of welding fixtures, and particularly relates to a combined transition fixture for welding a seal head and a joint and skirt weld joint.

Background

When carrying out joint and head and skirt welding in the container welding field, more common needs are used to step up the head assembly, then weld on fixing to automatic welder. In practice, a product is often used with a transition fixture. In the prior art, there is "a head assembly automatic weld's universal fixturing" to this problem has been solved, and it mainly includes: chassis 1, stand 2, positioning disk 3, depression bar 4. The chassis 1 and the positioning disk 3 are fixedly connected through the upright post 2, a long slotted hole is symmetrically formed in the center line of the positioning disk 3, the pressing rod 4 is installed in the long slotted hole of the positioning disk 3, and the distance from the pressing rod 4 to the center of the positioning disk 3 can be adjusted by the pressing rod 4 sliding in the long slotted hole of the positioning disk 3 according to the inner diameter of the joint 9 of the head sealing body. After the end of the joint 9 of the end enclosure assembly is downwards placed on the positioning disc 3 and the position is determined, the pressure rod 4 is abutted against the inner cylindrical surface of the joint 9, the end enclosure assembly is tightly pressed by using an elbow at the upper part of the pressure rod 4, and then the end enclosure assembly is tightened on the other side of the positioning disc 3 by using a nut to be fixed. See fig. 1. The method is characterized by mainly comprising the following steps: and (4) manually positioning by utilizing concentric circles on the positioning disc 3, and fixing the end socket assembly by moving the pressing rod 4. The main disadvantages of the tool are as follows: firstly, the manual concentric circle positioning has high requirements on the operation of the personnel, and the operation process is complex. Automatic centering cannot be achieved; secondly, four slotted holes on the positioning plate 3 are tightly pressed by the pressure lever 4, and the pressure lever 4 has one-direction freedom degree in the slotted holes. Therefore, the end socket assembly theoretically has a loosening safety hazard under the influence of certain factors.

Disclosure of Invention

The technical problem to be solved is as follows:

in order to avoid the defects of the prior art, the invention provides a combined transition clamp for welding a seal head, a joint and a skirt welding seam, which realizes positioning by adopting a groove and boss mounting mode, and designs a combined support 10 into a series of products according to the size of the joint.

The technical scheme of the invention is as follows: a combined transition fixture for welding a seal head, a joint and a skirt weld joint comprises a base, wherein the base comprises a bottom disc 11, a vertical plate 12 and an upper disc 13, and the upper disc 13 is fixed right above the bottom disc 11 in parallel through the vertical plate; the method is characterized in that: the combined support device further comprises a combined support device 10 and a hook bolt 14;

a circular boss is arranged at the center of the upper end face of the upper disc 13, key slots and long slotted holes are formed in the end face in the radial direction, and a plurality of long slotted holes are uniformly distributed in the circumferential direction;

the combined support 10 is of a disc structure, and a circular groove is formed in the center of the lower end face of the combined support and is used as a positioning hole to be matched and installed with a circular boss of the upper disc 13; a plurality of fan-shaped bulges are arranged on the peripheral surface of the combined support 10 along the circumferential direction, the outer arc surfaces of the fan-shaped bulges are positioned on the same circumference and are used for positioning the joint 9, and square holes are formed in the fan-shaped bulges; the lower end surface of the combined support 10 is provided with a fixed key along the radial direction, and the fixed key is matched with the key slot of the upper disc 13;

the hook bolt 14 sequentially penetrates through the square hole of the combined support 10 and the long slotted hole of the upper disc 13, and is screwed and fixed through a nut, so that the elbow at the upper end of the hook bolt 14 tightly presses the inner surface of the joint 9.

The further technical scheme of the invention is as follows: the keyway runs from the root of the circular boss to the outer edge of the upper disc 13.

The further technical scheme of the invention is as follows: the number of the key grooves is two, and the two key grooves are symmetrically arranged on two sides of the circular boss.

The further technical scheme of the invention is as follows: the number of the long slotted holes and the number of the fan-shaped protrusions are 4, and the square holes in the fan-shaped protrusions are arranged corresponding to the long slotted holes.

The further technical scheme of the invention is as follows: the combined supporting tool 10 is designed into series products with the same structure and different sizes according to the joints 9 with different inner diameters.

The further technical scheme of the invention is as follows: a circular boss is arranged at the center of the upper end face of the combined support 10, and two square holes are symmetrically formed in the circular boss relative to a central shaft; the joint for assembling the front seal head with the smaller inner diameter is positioned and is pressed and fixed through two hook head bolts 14.

The further technical scheme of the invention is as follows: and circular through holes are formed in the corresponding positions of the end surfaces of the upper disc 13 and the combined support 10, and bolts penetrate through the two through holes and are fastened by nuts, so that the upper disc 13 and the combined support 10 are fixed.

Advantageous effects

The invention has the beneficial effects that: according to the invention, the circular groove of the combined support 10 and the circular boss of the upper disc 13 are matched for installation, so that the automatic centering of the clamp during workpiece installation is realized, the assembly complexity is reduced, the labor intensity of workers is reduced, and the production efficiency is improved; the connectors 9 with different inner diameters are designed into serial combined supporting tools 10 with the same structure and different sizes, the connectors with different sizes are fixed, a base does not need to be replaced, and only the combined supporting tool 10 of the connecting piece needs to be replaced, so that the universality of the clamp is improved; the design of the square hole on the combined support 10 limits the degree of freedom of the hook bolt 14, thereby eliminating the potential safety hazard of loosening the clamp.

Drawings

FIG. 1 is a schematic view of a universal fixture for automatic welding of a head assembly in the background art;

FIG. 2 is a schematic view of a combined universal fixture for automatic welding of a head assembly according to the present invention;

FIG. 3 is a front view of the base of the present invention;

FIG. 4 is a top view of the base of the present invention;

FIG. 5 is an upper end surface of the 10 combination stay of the invention;

FIG. 6 is a lower end surface of the 10 combination brace of the present invention;

FIG. 7 is a 14 part hook bolt of the present invention;

description of reference numerals: 1. the novel combined type vertical pipe column comprises a base plate, 2 parts of a vertical column, 3 parts of a positioning plate, 4 parts of a pressure rod, 5 parts of a nut, 6 parts of a skirt, 7 parts of a seal head, 8 parts of an overlap joint, 9 parts of a joint, 10 parts of a combined supporting tool, 11 parts of a bottom disc, 12 parts of a vertical plate, 13 parts of an upper disc and 14 parts of a hook head bolt.

Detailed Description

The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used 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 thus, should not be considered as limiting the present invention.

The embodiment refers to the attached figure 2, and the combined universal fixture for automatic welding of the end socket assembly comprises a combined supporting tool 10, a bottom disc 11, a vertical plate 12, an upper disc 13 and a hook bolt 14;

the combined support 10 is a disc with the diameter of 300mm and the thickness of 15mm, and a convex cylinder concentric with the disc is arranged in the center of the front face of the disc, the diameter of the convex cylinder is 123mm, and the height of the convex cylinder is 10 mm. 4 same 40-degree fan-shaped bulges are uniformly distributed on the outer contour of the disk, and the outer contour of each bulge is a circular arc surface with the diameter 380 and concentric with the disk. The intersection of the outer contours of the circular discs is R14 rounded. The reverse side of the disc and the concentric side of the disc are provided with a hole with the diameter of 180mm and the depth of 10 mm. In addition, a fixed key is processed at the position of 30 degrees of included angle between the center of the disc and the center line of the cambered surface of the outer contour of the symmetrical bulge, the width of the fixed key is 14mm, and the height of the fixed key is 5 mm. Which mates with a keyway on the upper disc 13 on the base. Four square holes of 21mmX21mm are evenly distributed on the central line of 4 same fan-shaped bulges uniformly distributed on the outer contour of the disc and at the position 170mm away from the center of the circle, and are used for positioning the joint of the rear end enclosure with larger inner diameter. Two square holes of 21mmX21mm are arranged at the position 41.5mm away from the center line of the symmetrical arc-shaped bulge in the center cylinder of the disc and used for positioning the joint of the front end enclosure with smaller inner diameter. The 6 square holes are used for positioning the fixed end socket assembly of the hook bolt 14. Two through holes with the diameter of 21mm are symmetrically processed at the intersection of a diameter line passing through the center of the arc surface of the outer contour of the disc and the symmetric bulge, the center line of the arc surface of the fixed key and the other side of the arc surface of the fixed key and a circle with the center of the disc as the center of the circle, and are used as connecting holes for the combined supporting tool 10 and the base connecting bolt. Material Q235. The parts are mainly centered and used in combination. The structural form is shown in figures 5 and 6.

The bottom disc 11 is a disc with a diameter of 400mm and a thickness of 25mm, and a concentric hole with a diameter of 165.5mm is formed in the center of the disc and is concentric with the disc. The hole is mainly used for centering when being connected with an automatic welding machine. Material Q235.

The vertical plate 12 is a steel plate with the thickness of 95mmX20mmX210mm, and is made of a material Q235.

The upper disc 13 is a disc with the diameter of 600mm and the thickness of 15mm, a cylinder which has the diameter of 180mm and the height of 5mm and is concentric with the disc is machined in the center, and the cylinder is matched with a circular hole with the same size on the combined supporting tool 10. 4 long slotted holes with the width of 21mm are uniformly distributed between the diameter of 300mm concentric with the disc and the diameter of 508mm, and the centers of the semicircular arcs at the two ends of each slotted hole are respectively on the circles with the diameters of 300mm and 508 mm. The centers of the circular discs are crossed by scribing the centers of the long slotted holes which are symmetrical pairwise, the centers of the circular discs are deviated by 30 degrees from the left and the right by taking the central line as a symmetrical axis, and key grooves with the width of 14mm and the depth of 5mm from the edges of the circular discs to the edges of the central cylinders are formed on one surface of the circular disc. The key slot is symmetrical with respect to the center of the disk. On the other hand, through holes with 20mm diameter and symmetry with each other are processed on a concentric circle of a disc with 250mm diameter.

The bottom disc 11 and the upper disc 13 are connected into a whole through 4 vertical plates 12 by welding to form a base.

The hook bolt 14 is a screw with the bottom M20 being 75mm long, the upper part of the screw is a rod with a rectangular section of 20mmX20mm being 45mm long, the end of the rod with the rectangular section is a right-angle elbow towards one side, the length in the right-angle direction is 47mm, and the width of the rod with the rectangular section is included. The number of the parts is 6, and the parts are used for different combined supporting tools 10 during assembly.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.

Claims

1. A combined transition fixture for welding a seal head, a joint and a skirt weld joint comprises a base, wherein the base comprises a bottom disc (11), a vertical plate (12) and an upper disc (13), and the upper disc (13) is fixed right above the bottom disc (11) in parallel through the vertical plate; the method is characterized in that: the device also comprises a combined supporting tool (10) and a hook bolt (14);

a circular boss is arranged at the center of the upper end face of the upper disc (13), key slots and long slotted holes are formed in the end face in the radial direction, and the plurality of long slotted holes are uniformly distributed in the circumferential direction;

the combined support (10) is of a disc structure, and a circular groove is formed in the center of the lower end face of the combined support and is used as a positioning hole to be matched and installed with a circular boss of the upper disc (13); the outer peripheral surface of the combined support (10) is provided with a plurality of fan-shaped bulges along the circumferential direction, the outer arc surfaces of the fan-shaped bulges are positioned on the same circumference and used for positioning the joint (9), and each fan-shaped bulge is provided with a square hole; the lower end surface of the combined support (10) is provided with a fixed key along the radial direction, and the fixed key is matched with the key slot of the upper disc (13) for installation;

the hook bolt (14) sequentially penetrates through the square hole of the combined support (10) and the long slotted hole of the upper disc (13) and is screwed and fixed through a nut, so that the elbow at the upper end of the hook bolt (14) tightly presses the inner surface of the joint (9).

2. The combined transition clamp for welding the seal head and the joint and skirt welding seam according to claim 1, is characterized in that: the key groove penetrates from the root of the circular boss to the outer edge of the upper disc (13).

3. The combined transition clamp for welding the seal head and the joint and skirt welding seam according to claim 1, is characterized in that: the number of the key grooves is two, and the two key grooves are symmetrically arranged on two sides of the circular boss.

4. The combined transition clamp for welding the seal head and the joint and skirt welding seam according to claim 1, is characterized in that: the number of the long slotted holes and the number of the fan-shaped protrusions are 4, and the square holes in the fan-shaped protrusions are arranged corresponding to the long slotted holes.

5. The combined transition clamp for welding the seal head and the joint and skirt welding seam according to claim 1, is characterized in that: the combined supporting tool (10) is designed into series products with the same structure and different sizes according to the joints (9) with different inner diameters.

6. The combined transition clamp for welding the seal head and the joint and skirt welding seam according to claim 1, is characterized in that: a circular boss is arranged at the center of the upper end face of the combined support (10), and two square holes are symmetrically formed in the circular boss relative to the central axis; the joint for assembling the front seal head with the smaller inner diameter is positioned and is pressed and fixed through two hook head bolts (14).

7. The combined transition clamp for welding the seal head and the joint and skirt welding seam according to claim 1, is characterized in that: round through holes are formed in the corresponding positions of the end faces of the upper disc (13) and the combined support (10), bolts penetrate through the two through holes and are fastened through nuts, and the upper disc (13) and the combined support (10) are fixed.