Welding tool for guide rib of single-gate wedge gate valve

Abstract

The utility model discloses a welding tool for a guide rib of a single-gate wedge gate valve, which belongs to the technical field of welding tools and comprises a valve body, pipelines are arranged on two sides of the valve body, a guide rib positioning mechanism is arranged inside the upper end of the valve body, and a mounting frame positioning mechanism is arranged at the upper end of the guide rib positioning mechanism. The guide rib positioning mechanism is arranged, the motor is turned on to drive the two groups of positioning seats to be close to each other, so that the guide rib is positioned, subsequent welding work can be conveniently performed on the guide rib, and the guide rib positioning mechanism is arranged on the guide rib positioning mechanism through the sliding rod and the sliding block. The stability of the positioning seat in the sliding process can be improved, the mounting frame positioning mechanism is arranged, the mounting frame can be conveniently positioned and fixed through the mounting frame positioning mechanism, and the situation that when the guide ribs are positioned, the whole mounting frame shifts left and right and up and down, and the welding effect of the guide ribs is affected is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding jigs, and particularly relates to a welding jig for a guiding rib of a single-gate wedge-type gate valve. Background Art

[0002] At present, for the welding and processing of the guiding ribs of a single-gate wedge-type gate valve, the traditional method of scribing by a fitter and aligning by a welder according to the scribing is used. The position of the guiding rib after welding is prone to deviate from the requirements of the drawing, and the efficiency is extremely low. In order to improve the welding position accuracy of the guiding rib, solve the technical problems in processing and meet the requirements of improving processing efficiency, this welding jig for the guiding rib of a single-gate wedge-type gate valve is designed. Content of the Utility Model

[0003] To solve the problems raised in the above background art, the utility model provides a welding jig for a guiding rib of a single-gate wedge-type gate valve, which has the characteristics of being convenient for welding the guiding rib and facilitating the positioning of the welding jig.

[0004] To achieve the above object, the utility model provides the following technical solution: A welding jig for a guiding rib of a single-gate wedge-type gate valve, including a valve body. Pipes are arranged on both sides of the valve body. An internal guiding rib positioning mechanism is arranged at the upper end of the valve body. An installation frame positioning mechanism is arranged at the upper end of the guiding rib positioning mechanism. A guiding rib is arranged inside the guiding rib positioning mechanism. A valve core is arranged at the lower end of the guiding rib. A valve seat is arranged at the lower end inside the valve body. A channel is opened on the side of the valve seat. A plugging hole is opened at the upper end of the valve seat.

[0005] Preferably, the guiding rib positioning mechanism includes a guiding component, anti-slip concave lines, an installation frame, a motor, a threaded rod, a nut block and a positioning seat. An installation frame is arranged at the upper end inside the valve body. A motor is arranged on the inner wall of the installation frame. A threaded rod is arranged at the output end of the motor. Two groups of nut blocks are symmetrically arranged on the surface of the threaded rod. A positioning seat is arranged on the side of the nut block. Anti-slip concave lines are opened on the side of the positioning seat.

[0006] Preferably, the guiding component further includes a slide rod and a slider. A slide rod is arranged on the other side of the positioning seat. The slide rod penetrates through the inside of the slide rod.

[0007] Preferably, external threads with opposite directions are opened on the surfaces of both ends of the threaded rod, and the other end of the threaded rod is rotatably connected to the inner wall of the installation frame through a bearing.

[0008] Preferably, the installation frame positioning mechanism includes a screw rod, a positioning ring, a fixing ring and a nut. A screw rod is arranged at the upper end of the valve body. A positioning ring is arranged on the upper side of the motor. A fixing ring is arranged at the upper end of the positioning ring. A nut is threadedly connected to the upper surface of the screw rod.

[0009] Preferably, threaded through-holes corresponding to the screw rods are formed inside the fixing ring and the positioning ring.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. The present utility model is provided with a guide rib positioning mechanism. This mechanism drives two positioning seats to approach each other by turning on the motor, thereby positioning the guide rib for subsequent welding work on the guide rib. By providing a sliding rod and a slider, the stability of the positioning seat during sliding can be improved.

[0012] 2. The present utility model is provided with a mounting frame positioning mechanism. This mechanism can facilitate the positioning and fixing of the mounting frame, avoiding the overall left - right and up - down offsets of the mounting frame during the positioning of the guide rib, which may affect the welding effect of the guide rib. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a perspective view of the present utility model;

[0014] Figure 2 is a sectional view of the guide rib positioning mechanism of the present utility model;

[0015] Figure 3 is a perspective view of the mounting frame positioning mechanism of the present utility model;

[0016] In the figure: 1, valve body; 2, pipeline; 3, mounting frame positioning mechanism; 31, screw rod; 32, positioning ring; 33, fixing ring; 34, nut; 35, threaded through - hole; 4, guide rib positioning mechanism; 41, guide assembly; 411, sliding rod; 412, slider; 42, anti - slip concave pattern; 43, mounting frame; 44, motor; 45, threaded rod; 46, nut block; 47, positioning seat; 5, channel; 6, valve seat; 7, plugging hole; 8, valve core; 9, guide rib. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model. Embodiment 1

[0018] Please refer to Figures 1-3, the present utility model provides the following technical solutions: A welding tooling for the guide rib of a single gate wedge gate valve, including a valve body 1, pipelines 2 are arranged on both sides of the valve body 1, a guide rib positioning mechanism 4 is arranged inside the upper end of the valve body 1, an installation frame positioning mechanism 3 is arranged at the upper end of the guide rib positioning mechanism 4, a guide rib 9 is arranged inside the guide rib positioning mechanism 4, a valve core 8 is arranged at the lower end of the guide rib 9, a valve seat 6 is arranged at the lower end inside the valve body 1, a channel 5 is opened on the side of the valve seat 6, and a plugging hole 7 is opened at the upper end of the valve seat 6.

[0019] Specifically, the guide rib positioning mechanism 4 includes a guide assembly 41, anti-slip concave lines 42, an installation frame 43, a motor 44, a threaded rod 45, a nut block 46 and a positioning seat 47. An installation frame 43 is arranged inside the upper end of the valve body 1, a motor 44 is arranged on the inner wall of the installation frame 43, the output end of the motor 44 is provided with a threaded rod 45, two groups of nut blocks 46 are symmetrically arranged on the surface of the threaded rod 45, a positioning seat 47 is arranged on the side of the nut block 46, and anti-slip concave lines 42 are opened on the side of the positioning seat 47.

[0020] By adopting the above technical solution, when positioning the guide rib 9, first place the upper end of the guide rib 9 in the middle position between the two groups of positioning seats 47, turn on the motor 44, the motor 44 drives the threaded rod 45 to rotate through the output end, the rotation of the threaded rod 45 drives the two groups of nut blocks 46 to approach each other, and the two groups of nut blocks 46 approaching each other drive the two groups of positioning seats 47 to approach each other, thereby positioning the guide rib 9, and the anti-slip concave lines 42 arranged on the side of the positioning seat 47 can increase the friction force on the guide rib 9 to improve the fixing effect on the guide rib 9.

[0021] Specifically, the guide assembly 41 further includes a slide bar 411 and a slider 412. A slide bar 411 is arranged on the other side of the positioning seat 47, and a slide bar 411 is penetrated inside the slide bar 411.

[0022] By adopting the above technical solution, when the positioning seats 47 approach each other, they will drive the sliders 412 to slide on the surface of the slide bar 411, thereby further improving the stability of the sliding process of the positioning seats 47.

[0023] Specifically, external threads with opposite directions are opened on the surfaces of both ends of the threaded rod 45, and the other end of the threaded rod 45 is rotatably connected to the inner wall of the installation frame 43 through a bearing.

[0024] By adopting the above technical solution, the setting of this structure can enable the threaded rod 45 to drive the two groups of nut blocks 46 to approach or move away from each other when rotating.

[0025] In the use of this embodiment, when positioning the guiding rib 9, first place the upper end of the guiding rib 9 at the middle position between the two positioning seats 47. Then turn on the motor 44. The motor 44 drives the threaded rod 45 to rotate through the output end. The rotation of the threaded rod 45 drives the two nut blocks 46 to approach each other. The two nut blocks 46 approaching each other drive the two positioning seats 47 to approach each other, thereby positioning the guiding rib 9. The anti-slip concave lines 42 provided on the side of the positioning seat 47 can increase the friction force on the guiding rib 9 to improve the fixing effect on the guiding rib 9. When the positioning seats 47 approach each other, they will drive the slider 412 to slide on the surface of the sliding rod 411, thereby further improving the stability of the sliding process of the positioning seat 47. Then place the mounting frame 43 inside the valve body 1, and subsequent welding work can be carried out on the guiding rib 9. Embodiment 2

[0026] The difference between this embodiment and Embodiment 1 is that the mounting frame positioning mechanism 3 includes a screw rod 31, a positioning ring 32, a fixing ring 33 and a nut 34. The screw rod 31 is provided at the upper end of the valve body 1. The positioning ring 32 is provided at the upper side of the upper end of the motor 44. The fixing ring 33 is provided at the upper end of the positioning ring 32. The nut 34 is threadedly connected to the upper surface of the screw rod 31.

[0027] By adopting the above technical solution, first place the positioning ring 32 at the upper end of the mounting frame 43 on the upper end of the valve body 1, and then place the fixing ring 33 on the upper end of the positioning ring 32. With the cooperation of the nut 34 and the screw rod 31, the positioning and fixing of the mounting frame 43 can be realized.

[0028] Specifically, threaded through holes 35 corresponding to the screw rod 31 are opened inside the fixing ring 33 and the positioning ring 32.

[0029] By adopting the above technical solution, by opening the threaded through holes 35 corresponding to the screw rod 31 inside the fixing ring 33 and the positioning ring 32, the fixing effect on the mounting frame 43 can be improved.

[0030] In the use of this embodiment, place the positioning ring 32 at the upper end of the mounting frame 43 on the upper end of the valve body 1, and then place the fixing ring 33 on the upper end of the positioning ring 32. With the cooperation of the nut 34 and the screw rod 31, the positioning and fixing of the mounting frame 43 can be realized. By opening the threaded through holes 35 corresponding to the screw rod 31 inside the fixing ring 33 and the positioning ring 32, the fixing effect on the mounting frame 43 can be improved.

[0031] Working principle and usage process of the present utility model: When the present utility model is in use, when positioning the guiding rib 9, first place the upper end of the guiding rib 9 at the middle position between the two positioning seats 47, turn on the motor 44, the motor 44 drives the threaded rod 45 to rotate through the output end, the rotation of the threaded rod 45 drives the two nut blocks 46 to approach each other, the two nut blocks 46 approaching each other drive the two positioning seats 47 to approach each other, thereby positioning the guiding rib 9, and the anti-slip concave lines 42 provided on the side of the positioning seat 47 can increase the friction force on the guiding rib 9 to improve the fixing effect on the guiding rib 9. When the positioning seats 47 approach each other, they will drive the slider 412 to slide on the surface of the sliding rod 411, thereby further improving the stability of the sliding process of the positioning seats 47. Then place the installation frame 43 inside the valve body 1, and subsequent welding work can be carried out on the guiding rib 9; place the positioning ring 32 at the upper end of the installation frame 43 at the upper end of the valve body 1, and then place the fixing ring 33 on the upper end of the positioning ring 32. Cooperating with the nut 34 and the screw rod 31, the positioning and fixing of the installation frame 43 can be achieved. By providing threaded through holes 35 corresponding to the screw rod 31 inside the fixing ring 33 and the positioning ring 32, the fixing effect on the installation frame 43 can be improved.

[0032] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A single-disc wedge-type gate valve guide rib welding tool, including a valve body, characterized in that: Pipes are arranged on both sides of the valve body, a guide rib positioning mechanism is arranged inside the upper end of the valve body, an installation frame positioning mechanism is arranged at the upper end of the guide rib positioning mechanism, guide ribs are arranged inside the guide rib positioning mechanism, a valve core is arranged at the lower end of the guide rib, a valve seat is arranged at the lower end of the valve body, a channel is opened on the side of the valve seat, and a sealing hole is opened at the upper end of the valve seat.

2. A single-disc wedge-type gate valve guide rib welding tool as claimed in claim 1, characterized in that: The guide rib positioning mechanism includes a guide component, anti-skid grooves, a mounting frame, a motor, a threaded rod, a nut block and a positioning seat. The inner upper end of the valve body is provided with a mounting frame, the inner wall of the mounting frame is provided with a motor, the output end of the motor is provided with a threaded rod, two groups of nut blocks are symmetrically provided on the surface of the threaded rod, a positioning seat is provided on the side of the nut block, and the side of the positioning seat is provided with anti-skid grooves.

3. A single-disc wedge-type gate valve guide rib welding tool as claimed in claim 2, characterized in that: The guide assembly also includes a slide bar and a sliding block. The other side of the positioning seat is provided with a slide bar, and the interior of the slide bar is penetrated by a slide bar.

4. A single-disc wedge-type gate valve guide rib welding tool as claimed in claim 2, characterized in that: External threads in opposite directions are provided on the surfaces of both ends of the threaded rod, and the other end of the threaded rod is rotatably connected to the inner wall of the installation frame through a bearing.

5. A single-disc wedge-type gate valve guide rib welding tool as claimed in claim 2, characterized in that: The mounting frame positioning mechanism includes a screw, a positioning ring, a fixing ring and a nut. The upper end of the valve body is provided with a screw, the upper end side of the motor is provided with a positioning ring, the upper end of the positioning ring is provided with a fixing ring, and the upper end surface of the screw is threadedly connected with a nut.

6. A single-disc wedge-type gate valve guide rib welding tool as claimed in claim 5, characterized in that: The fixing ring and the positioning ring are provided with threaded through holes corresponding to the screw rods.

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