Welding tool for hubbed flange

Abstract

The welding tool for the hubbed flange comprises a fixing base, a first rectangular groove, a second rectangular groove, a first positioning mechanism and a second positioning mechanism, the first rectangular groove is formed in the upper end of the fixing base in the front-back direction, and the second rectangular groove is formed in the upper end of the fixing base in the horizontal direction; the second rectangular groove is located on the right side of the first rectangular groove, the first positioning mechanism is installed at the upper end of the first rectangular groove, and the second positioning mechanism is installed on the second rectangular groove; wherein the first positioning mechanism comprises a two-way lead screw, a twisting handle and a positioning clamping block, the rear end of the two-way lead screw is rotationally connected with the rear end face of the interior of the first rectangular groove, and the front end of the two-way lead screw penetrates through the first rectangular groove. According to the utility model, the flange seat and the flange neck can be positioned, and the positioning position can be adjusted, so that the welding part of the flange seat and the flange neck can be accurately contacted, the welding precision is improved, and the welding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a welding tool with a neck flange. Background Art

[0002] Flange is also called flange flange or flange. Flange is a part that connects pipes to each other and is used to connect pipe ends. Flange connection or flange joint refers to a detachable connection in which flange, gasket and bolts are connected to each other as a combined sealing structure. Flanges can be divided into integral flanges, threaded flanges, plate-type flat-weld flanges, neck flanges, socket-weld flanges, loose sleeve flanges and lined flanges.

[0003] During the production process of neck flanges, the flange neck (pipeline) and the flange seat need to be welded. However, some small workshops currently require a welder and an assistant during the welding process. The assistant is mainly responsible for aligning the position of the flange neck and the flange seat and fixing them. It requires at least two people to perform the welding work, and the welding efficiency is low and the operation is inconvenient.

[0004] The application number is: 201922179042.7, and the name is: An authorized patent for a welding tool with a neck flange, which includes a rectangular fixed seat, the fixed seat is provided with a groove along the width direction, a horizontally arranged rotating shaft is provided in the groove, and both ends of the rotating shaft are respectively provided with external threads of opposite rotation directions, one end of the rotating shaft is rotatably connected to the side wall of the groove, and the other end of the rotating shaft extends outward through the other side wall of the groove, and the two ends of the rotating shaft located in the groove are respectively threaded with clamping plates extending vertically upward for clamping and fixing the flange neck, the upper end of the fixed seat is provided with a slide rail vertically arranged at the middle position of the groove, and a fixing mechanism for fixing the flange seat is slidably connected to the slide rail.

[0005] The above-mentioned comparative document has the following problem: there is no positioning structure for the rotating shaft after rotation, which results in the problem that the rotating shaft can still rotate after the rotation is completed, which results in poor positioning stability of the clamping plate on the flange neck.

[0006] In summary, the present application now proposes a welding tool with a neck flange to solve the above-mentioned problems. Utility Model Content

[0007] In view of this, the purpose of the present invention is to provide a welding tool with a neck flange to solve the problems raised in the above background technology.

[0008] Based on the above purpose, the utility model provides a welding tool with a neck flange, including a fixed seat, a first rectangular groove, a second rectangular groove, a first positioning mechanism and a second positioning mechanism, the first rectangular groove is opened at the upper end of the fixed seat along the front-back direction, the second rectangular groove is opened at the upper end of the fixed seat along the horizontal direction, the second rectangular groove is located on the right side of the first rectangular groove, the first positioning mechanism is installed at the upper end of the first rectangular groove, and the second positioning mechanism is installed on the second rectangular groove;

[0009] Among them, the first positioning mechanism includes a bidirectional screw, a twist handle and a positioning clamp block, the rear end of the bidirectional screw is rotatably connected to the rear end surface inside the first rectangular groove, the front end of the bidirectional screw passes through the first rectangular groove and extends to the front side of the fixed seat, the rear end of the twist handle is fixedly connected to the front end of the bidirectional screw, the twist handle is detachably rotatably connected to the front end surface of the base, two positioning clamp blocks are provided, the two positioning clamp blocks are symmetrically threaded on the bidirectional screw, the upper end of the positioning clamp block passes through the first rectangular groove and extends above the first rectangular groove.

[0010] Preferably, grooves are formed on the tops of the two positioning clamps near one end thereof.

[0011] More preferably, the side end surface of the bottom of the positioning clamp is slidably fitted with the inner wall of the first rectangular groove along the front-to-back direction.

[0012] Preferably, the first positioning mechanism also includes a mounting ring plate and a positioning ring plate, the mounting ring plate is fixedly mounted on the front end face of the fixing seat, and the mounting ring plate is located on the outside of the twist handle, an annular groove is provided on the inner wall of the mounting ring plate, the positioning ring plate is fixedly sleeved on the twist handle, the outer end of the positioning ring plate is slidably connected to the annular groove, and the positioning ring plate is detachably fixed to the front end face of the fixing seat by a first top screw.

[0013] More preferably, the second positioning mechanism includes a mounting seat, a supporting block, a disc, a dovetail groove and a second slider, the lower end of the mounting seat is slidably connected to the second rectangular groove in the horizontal direction, the upper end of the mounting seat is provided with a first slide rail arranged along the front-rear direction, the lower end of the supporting block is slidably connected to the first slider in the front-rear direction, the disc is mounted on the top left end face of the supporting block, four dovetail grooves are provided, the four dovetail grooves are arranged in a circular array on the left end face of the disc, and two adjacent dovetail grooves are perpendicular to each other, four second sliders are provided, the four second sliders are slidably connected to the four dovetail grooves respectively, the four second sliders are fixedly connected between one end face close to each other and one end face inside the four dovetail grooves with a spring, and the left end face of the second slider is fixedly installed with a fixed shaft.

[0014] Preferably, the second positioning mechanism also includes a positioning rear plate, and two positioning rear plates are provided. The two positioning rear plates are symmetrically fixedly installed on the right end surface of the mounting seat, and the positioning rear plate is detachably fixedly connected to the upper end of the fixing seat through a second top screw.

[0015] More preferably, the second positioning mechanism further comprises a first L-shaped positioning plate, the first L-shaped positioning plate is fixedly mounted on the right end surface of the support block, and the first L-shaped positioning plate is detachably fixedly connected to the right end surface of the mounting seat via a third top screw.

[0016] Preferably, the second positioning mechanism also includes a second slide rail and a second L-shaped positioning plate, the second slide rail is arranged parallel to the vertical direction, the second slide rail is installed on the left end surface of the support block, the first slider is slidably installed in the second slide rail along the vertical direction, the second L-shaped positioning plate is fixedly installed on the left end surface of the first slider, the disc is fixedly installed on the left end surface of the second L-shaped positioning plate, the front end portion of the second L-shaped positioning plate is slidably connected to the front end surface of the support block along the vertical direction, and the front end portion of the second L-shaped positioning plate is detachably fixedly connected to the front end of the support block through a fourth top screw.

[0017] From the above, it can be seen that the beneficial effects of the utility model are:

[0018] 1. This welding tool with a neck flange rotates the bidirectional screw through a twist handle. The rotating bidirectional screw can drive the two positioning clamps to move toward each other. The two positioning clamps moving toward each other can clamp and fix the flange neck through the groove; when the twist handle is rotated, the outer end of the positioning ring plate slides in the annular groove. When the bidirectional screw is rotated to a suitable position, the first top screw is tightened to fix the positioning ring plate, and then the twist handle and the bidirectional screw can be fixed.

[0019] 2. For this type of welding tool with a neck flange, when the flange seat is installed on the disc, the end face of the flange seat abuts against the end face of the second slider, and the fixed shaft passes through the threaded hole of the flange seat. At this time, the spring is in a stretched state, and the flange seat is clamped and fixed firmly by the elastic tension of the spring. The mounting seat can be pushed horizontally along the direction of the second rectangular groove, thereby bringing the flange seat and the flange neck closer, which makes it easier to weld the flange seat and the flange neck.

[0020] 3. This type of welding tool with a neck flange can move the support block forward and backward along the direction of the first slide rail, and then the flange seat can be moved to an appropriate position. At this time, the first L-shaped positioning plate slides forward and backward on the right end surface of the mounting seat. After the adjustment is completed, tighten the third top screw; when the mounting seat is adjusted to a suitable position horizontally, tighten the second top screw to fix the mounting seat and the fixed seat, so as to facilitate the fixation of the flange seat in the horizontal direction; the disc can be moved up and down to adjust the height of the flange seat. At this time, the first slider slides up and down in the second slide rail. When the height of the flange seat is adjusted to a suitable height, tighten the fourth top screw to fix the second L-shaped positioning plate and the support block, so as to achieve the fixation of the flange seat in the vertical direction; by starting the motor, the disc can be driven to rotate, so as to achieve automatic adjustment of the installation angle of the flange seat.

[0021] The utility model can position the flange seat and the flange neck, and can adjust the positioning position, thereby facilitating accurate contact between the welding parts of the flange seat and the flange neck, thereby improving welding accuracy and improving welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the first positioning mechanism in the utility model;

[0025] Figure 3 It is a structural schematic diagram of the second positioning mechanism in the utility model;

[0026] Figure 4 It is an exploded view of the local structure of the second positioning mechanism in the utility model.

[0027] In the accompanying drawings: 1. fixing seat; 2. first rectangular groove; 3. first positioning mechanism; 4. second rectangular groove; 5. second positioning mechanism;

[0028] 301. bidirectional screw rod; 302. mounting ring plate; 303. first top screw; 304. twist handle; 305. positioning ring plate; 306. positioning clamp block; 307. groove;

[0029] 501. Mounting seat; 502. Positioning rear plate; 503. Second top screw; 504. First L-shaped positioning plate; 505. Third top screw; 506. First slide rail; 507. Support block; 508. Disc; 509. Second L-shaped positioning plate; 510. First slider; 511. Spring; 512. Fixed shaft; 513. Dovetail groove; 514. Second slider; 515. Fourth top screw; 516. Second slide rail. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0031] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the utility model should be the common meanings understood by people with ordinary skills in the field to which the disclosure belongs. The "first", "second" and similar words used in the present disclosure do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly. Example 1

[0032] See also Figure 1-Figure 4 A welding tool with a neck flange comprises a fixing seat 1, a first rectangular groove 2, a second rectangular groove 4, a first positioning mechanism 3 and a second positioning mechanism 5, wherein the first rectangular groove 2 is opened at the upper end of the fixing seat 1 along the front-back direction, the second rectangular groove 4 is opened at the upper end of the fixing seat 1 along the horizontal direction, the second rectangular groove 4 is located on the right side of the first rectangular groove 2, the first positioning mechanism 3 is installed at the upper end of the first rectangular groove 2, and the second positioning mechanism 5 is installed on the second rectangular groove 4;

[0033] Among them, the first positioning mechanism 3 includes a bidirectional screw rod 301, a twist handle 304 and a positioning clamp block 306. The rear end of the bidirectional screw rod 301 is rotatably connected to the rear end surface inside the first rectangular groove 2, the front end of the bidirectional screw rod 301 passes through the first rectangular groove 2 and extends to the front side of the fixed seat 1, the rear end of the twist handle 304 is fixedly connected to the front end of the bidirectional screw rod 301, the twist handle 304 is detachably rotatably connected to the front end surface of the base, and there are two positioning clamp blocks 306. The two positioning clamp blocks 306 are symmetrically threaded on the bidirectional screw rod 301, and the upper end of the positioning clamp block 306 passes through the first rectangular groove 2 and extends to above the first rectangular groove 2.

[0034] As an improvement of the above solution, a groove 307 is formed at one end of the top of the two positioning clamps 306 close to each other.

[0035] The bidirectional screw rod 301 is rotated by the twist handle 304 , and the rotating bidirectional screw rod 301 can drive the two positioning clamps 306 to move toward each other. The two positioning clamps 306 moving toward each other can clamp and fix the flange neck through the groove 307 .

[0036] As an improved solution of the above solution, the bottom side end surface of the positioning clamp block 306 is slidably fitted with the inner wall of the first rectangular groove 2 along the front-to-back direction.

[0037] When the bidirectional screw rod 301 rotates, the bottom of the positioning clamp block 306 can be stably driven in the front-rear direction to prevent the positioning slider from axially rotating as the bidirectional screw rod 301 rotates.

[0038] As an improved solution of the above solution, the first positioning mechanism 3 also includes an installation ring plate 302 and a positioning ring plate 305. The installation ring plate 302 is fixedly installed on the front end face of the fixed seat 1, and the installation ring plate 302 is located on the outside of the twist handle 304. An annular groove is provided on the inner wall of the installation ring plate 302. The positioning ring plate 305 is fixedly sleeved on the twist handle 304. The outer end of the positioning ring plate 305 is slidably connected to the annular groove. The positioning ring plate 305 is detachably fixed to the front end face of the fixed seat 1 through the first top screw 303.

[0039] When the twist handle 304 is rotated, the outer end of the positioning ring plate 305 slides in the annular groove. When the bidirectional screw rod 301 is rotated to a suitable position, the first top screw 303 is tightened to fix the positioning ring plate 305, and then the twist handle 304 and the bidirectional screw rod 301 can be fixed.

[0040] As an improved solution of the above solution, the second positioning mechanism 5 includes a mounting seat 501, a support block 507, a disc 508, a dovetail groove 513 and a second slider 514. The lower end of the mounting seat 501 is slidably connected to the second rectangular groove 4 in the horizontal direction. The upper end of the mounting seat 501 is provided with a first slide rail 506 arranged along the front-to-back direction. The lower end of the support block 507 is slidably connected to the first slider 510 along the front-to-back direction. The disc 508 is installed on the left end surface of the top of the support block 507. There are four dovetail grooves 513. The four dovetail grooves 513 are arranged in a circular array on the left end surface of the disc 508, and two adjacent dovetail grooves 513 are perpendicular to each other. There are four second sliders 514. The four second sliders 514 are slidably connected to the four dovetail grooves 513 respectively. The four second sliders 514 are close to each other. One end surface is fixedly connected to the one end surface inside the four dovetail grooves 513 with a spring 511. The left end surface of the second slider 514 is fixedly installed with a fixed shaft 512.

[0041] When the flange seat is installed on the disc 508, the end face of the flange seat abuts against the end face of the second slider 514, and the fixed shaft 512 is inserted into the threaded hole of the flange seat. At this time, the spring 511 is in a stretched state, and the flange seat is clamped and fixed firmly by the elastic tension of the spring 511.

[0042] The second positioning mechanism 5 also includes a positioning rear plate 502, two positioning rear plates 502 are provided, and the two positioning rear plates 502 are symmetrically fixedly installed on the right end surface of the mounting seat 501, and the positioning rear plate 502 is detachably fixedly connected to the upper end of the fixing seat 1 through a second top screw 503. As an improved solution of the above solution, the second positioning mechanism 5 also includes a first L-shaped positioning plate 504, and the first L-shaped positioning plate 504 is fixedly installed on the right end surface of the support block 507. The first L-shaped positioning plate 504 is detachably fixedly connected to the right end surface of the mounting seat 501 through a third top screw 505. The second positioning mechanism 5 also includes a second slide rail 51 6 and the second L-shaped positioning plate 509, the second slide rail 516 is arranged parallel to the vertical direction, the second slide rail 516 is installed on the left end surface of the support block 507, the first slider 510 is slidably installed in the second slide rail 516 along the vertical direction, the second L-shaped positioning plate 509 is fixedly installed on the left end surface of the first slider 510, the disk 508 is fixedly installed on the left end surface of the second L-shaped positioning plate 509, the front end portion of the second L-shaped positioning plate 509 is slidably connected to the front end surface of the support block 507 along the vertical direction, and the front end portion of the second L-shaped positioning plate 509 is detachably fixedly connected to the front end of the support block 507 through the fourth top screw 515.

[0043] The mounting seat 501 can be pushed horizontally along the direction of the second rectangular groove 4, so that the flange seat and the flange neck are brought close to each other, thereby facilitating welding of the flange seat and the flange neck;

[0044] The support block 507 can be moved forward and backward along the direction of the first slide rail 506, and then the flange seat can be moved to a suitable position. At this time, the first L-shaped positioning plate 504 slides forward and backward on the right end surface of the mounting seat 501. After the adjustment is completed, the third top screw 505 can be tightened;

[0045] After the mounting seat 501 is adjusted horizontally to a suitable position, the second top screw 503 is tightened to fix the mounting seat 501 and the fixing seat 1, thereby facilitating fixing the flange seat in the horizontal direction;

[0046] The disc 508 can be moved up and down to adjust the height of the flange seat. At this time, the first slider 510 slides up and down in the second slide rail 516. When the height of the flange seat is adjusted to an appropriate height, the fourth top screw 515 is tightened to fix the second L-shaped positioning plate 509 and the support block 507, thereby fixing the flange seat in the vertical direction. Example 2

[0047] Compared with the first embodiment, the present embodiment further includes a motor, which is embedded and fixedly installed on the left end surface of the second L-shaped positioning plate 509 , and the left end of the motor output shaft is fixedly connected to the middle position of the right end surface of the disk 508 .

[0048] By starting the motor, the disc 508 can be driven to rotate, thereby realizing automatic adjustment of the installation angle of the flange seat.

[0049] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present disclosure (including the claims) is limited to these examples. In accordance with the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0050] The embodiments of the present invention are intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A welding tool with a neck flange, characterized in that: include: Fixed seat (1); A first rectangular groove (2), the first rectangular groove (2) being opened at the upper end of the fixing seat (1) along the front-back direction; A second rectangular groove (4), the second rectangular groove (4) being opened at the upper end of the fixing seat (1) along the horizontal direction, and the second rectangular groove (4) being located on the right side of the first rectangular groove (2); a first positioning mechanism (3), the first positioning mechanism (3) being installed at the upper end of the first rectangular groove (2); and A second positioning mechanism (5), the second positioning mechanism (5) being mounted on the second rectangular groove (4); Wherein, the first positioning mechanism (3) comprises: A bidirectional screw rod (301), wherein the rear end of the bidirectional screw rod (301) is rotatably connected to the rear end surface inside the first rectangular groove (2), and the front end of the bidirectional screw rod (301) passes through the first rectangular groove (2) and extends to the front side of the fixing seat (1); A twist handle (304), wherein the rear end of the twist handle (304) is fixedly connected to the front end of the bidirectional screw rod (301), and the twist handle (304) is detachably rotatably connected to the front end surface of the base; and The positioning clamp blocks (306) are provided with two positioning clamp blocks (306), and the two positioning clamp blocks (306) are symmetrically threadedly mounted on the bidirectional screw rod (301), and the upper ends of the positioning clamp blocks (306) penetrate the first rectangular groove (2) and extend to the top of the first rectangular groove (2).

2. A welding tool with a neck flange according to claim 1, characterized in that: A groove (307) is formed on the tops of the two positioning clamping blocks (306) close to one end thereof.

3. A welding tool with a neck flange according to claim 2, characterized in that: The bottom side end surface of the positioning clamp (306) is slidably fitted with the inner wall of the first rectangular groove (2) along the front-rear direction.

4. A welding tool with a neck flange according to claim 3, characterized in that: The first positioning mechanism (3) further comprises: A mounting ring plate (302), wherein the mounting ring plate (302) is fixedly mounted on the front end surface of the fixing seat (1), and the mounting ring plate (302) is located outside the twist handle (304), and an annular sliding groove is formed on the inner side wall of the mounting ring plate (302); and The positioning ring plate (305) is fixedly sleeved on the twist handle (304), the outer end of the positioning ring plate (305) is slidably connected to the annular sliding groove, and the positioning ring plate (305) is detachably fixedly connected to the front end surface of the fixing seat (1) via a first top screw (303).

5. A welding tool with a neck flange according to claim 4, characterized in that: The second positioning mechanism (5) comprises: A mounting seat (501), wherein the lower end of the mounting seat (501) is slidably connected to the second rectangular groove (4) in a horizontal direction, and the upper end of the mounting seat (501) is provided with a first slide rail (506) arranged in a front-rear direction; A support block (507), wherein the lower end of the support block (507) is slidably connected to the first sliding block (510) along the front-rear direction; A circular disc (508), the circular disc (508) being mounted on the top left end surface of the support block (507); dovetail grooves (513), wherein four dovetail grooves (513) are provided, and the four dovetail grooves (513) are arranged in a circular array on the left end surface of the disk (508), and two adjacent dovetail grooves (513) are perpendicular to each other; and The second slider (514) is provided with four second sliders (514), and the four second sliders (514) are respectively slidably connected to the four dovetail grooves (513), and springs (511) are fixedly connected between one end surface of the four second sliders (514) close to each other and one end surface inside the four dovetail grooves (513), and a fixed shaft (512) is fixedly installed on the left end surface of the second slider (514).

6. A welding tool with a neck flange according to claim 5, characterized in that: The second positioning mechanism (5) further comprises: A positioning rear plate (502), wherein two positioning rear plates (502) are provided, and the two positioning rear plates (502) are symmetrically fixedly mounted on the right end surface of the mounting seat (501), and the positioning rear plates (502) are detachably fixedly connected to the upper end of the fixing seat (1) via a second top screw (503).

7. A welding tool with a neck flange according to claim 6, characterized in that: The second positioning mechanism (5) further comprises: A first L-shaped positioning plate (504), the first L-shaped positioning plate (504) is fixedly mounted on the right end surface of the support block (507), and the first L-shaped positioning plate (504) is detachably fixedly connected to the right end surface of the mounting seat (501) via a third top screw (505).

8. A welding tool with a neck flange according to claim 7, characterized in that: The second positioning mechanism (5) further comprises: a second slide rail (516), the second slide rail (516) being arranged parallel to the vertical direction, the second slide rail (516) being installed on the left end surface of the support block (507), and a first sliding block (510) being installed in the second slide rail (516) so as to slide in the vertical direction; and A second L-shaped positioning plate (509), the second L-shaped positioning plate (509) is fixedly mounted on the left end surface of the first sliding block (510), the disc (508) is fixedly mounted on the left end surface of the second L-shaped positioning plate (509), the front end portion of the second L-shaped positioning plate (509) is slidably connected to the front end surface of the support block (507) along the vertical direction, and the front end portion of the second L-shaped positioning plate (509) is detachably fixedly connected to the front end of the support block (507) via a fourth top screw (515).

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