CN212977241U

CN212977241U - Welding tool for preprocessing silencer

Info

Publication number: CN212977241U
Application number: CN202021252108.7U
Authority: CN
Inventors: 黄光明
Original assignee: Taizhou Huafeng Science And Technology Equipment Co ltd
Current assignee: Taizhou Huafeng Science And Technology Equipment Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-16
Anticipated expiration: 2030-07-01

Abstract

The utility model relates to the technical field of silencer manufacturing, in particular to a welding tool for preprocessing a silencer, which comprises a base and a supporting arm, the side walls of two ends of the base are respectively welded with a vertical supporting arm, the supporting arms are respectively provided with a double-end positioning pin at the position close to the upper end, the pin heads of the double-end positioning pins at two sides are arranged on the supporting arms in opposite directions, the pin heads of the double-end positioning pins are attached to the side wall of the round fixing block, the outer wall of one end of the double-end positioning pin close to the round fixing block is welded with a stop block, a spring is arranged between the stop block and the supporting arms, install the axis of rotation that is connected with one side inner wall of support arm in the middle of the one end of circular fixed block, the utility model discloses a purpose that quick clamping can be realized to threaded rod and first semicircular splint, the cooperation of second semicircular splint, can accomplish the welding that wants the position fast to the cooperation of pivoted pipe and double-end locating pin.

Description

Welding tool for preprocessing silencer

Technical Field

The utility model relates to a silencer manufacturing technology field especially relates to a silencer is welding frock for preprocessing.

Background

The silencer is used for the airflow pipeline with noise transmission, and can attenuate or reflect the noise in the pipeline by using noise reduction devices such as pipelines and elbows with sound absorption linings or pipelines with suddenly changed sectional areas and other discontinuous acoustic impedances. The silencer is called a resistive silencer, the resistive silencer and the impedance composite silencer are also provided, a welding tool is required in the manufacturing process of the silencer, the welding tool is a set of flexible clamp for welding, fixing, compressing and positioning, and is mainly used for welding various weldable materials and welding large, medium and small materials.

Disclosure of Invention

The utility model aims at solving the problem in the prior art, and the welding frock is used in muffler preprocessing that provides.

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

a welding tool for preprocessing a silencer comprises a base and a supporting arm, wherein vertical supporting arms are welded on side walls at two ends of the base, double-end positioning pins are installed at positions close to the upper end of the supporting arm, pin heads of the double-end positioning pins at two sides are arranged on the supporting arm in opposite directions, the pin heads of the double-end positioning pins are attached to side walls of a circular fixing block, a stop block is welded on the outer wall of one end close to the circular fixing block of the double-end positioning pins, a spring is installed between the stop block and the supporting arm, a rotating shaft connected with the inner wall of one side of the supporting arm is installed in the middle of one end of the circular fixing block, a round pipe is welded at the other end of the circular fixing block, threaded holes are formed in the pipe wall close to the upper end and the lower end, the other ends of the threaded rods on the two sides are respectively and movably connected with a first semicircular clamping plate and a second semicircular clamping plate.

Preferably, the one end surface of circular fixed block is seted up and is the counter bore that annular array distributes, and the diameter of counter bore is greater than the diameter of double-end locating pin, and the location end of double-end locating pin is in inside the counter bore when the spring is in the pop-up state.

Preferably, the concave surfaces of the first semicircular clamping plate and the second semicircular clamping plate are arranged oppositely.

Preferably, the upper ends of the supporting arms on the two sides are provided with through holes matched with the double-head positioning pins, and the double-head positioning pins slide in the middle of the through holes.

Preferably, the spring is installed on the outer wall of the double-ended positioning pin, and one end thereof is welded on one side of the stopper, and the other end thereof is welded on the inner wall of the support arm.

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

through rotating the threaded rod and enabling first semicircular splint and second semicircular splint to remove towards opposite direction, through outside pulling double-end locating pin, the double-end locating pin breaks away from the counter bore, and the pipe is connected with the rotation of axis of rotation and can be realized the rotation of pipe, through the resilience performance of spring, the spring can drive the double-end locating pin and go into the counter bore on the circular fixed block again in, realizes the purpose of locking the pipe fast, and the counter bore of different angles enables the pipe and is in different positions and locked, the utility model discloses a threaded rod and first semicircular splint, the purpose of quick clamping can be realized to the cooperation of second semicircular splint, can accomplish the welding that wants the position fast with the cooperation of double-end locating pin by pivoted pipe.

Drawings

Fig. 1 is a schematic front view of a welding tool for preprocessing a muffler according to the present invention;

fig. 2 is a top view of the first semicircular clamping plate and the second semicircular clamping plate of the welding tool for preprocessing the muffler, provided by the utility model;

fig. 3 is the utility model provides a silencer is side view of circular fixed block of welding frock for preprocessing.

In the figure: the device comprises a base 1, a support arm 2, a threaded rod 3, a stop block 4, a double-head positioning pin 5, a first semicircular clamping plate 6, a rotating shaft 7, a circular pipe 8, a circular fixing block 9, a second semicircular clamping plate 10 and a spring 11.

Detailed Description

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.

Referring to fig. 1-3, a welding tool for preprocessing a silencer comprises a base 1 and support arms 2, wherein vertical support arms 2 are welded on the side walls of two ends of the base 1 to play a supporting role, through holes matched with double-end positioning pins 5 are formed in the upper ends of the support arms 2 on two sides, the double-end positioning pins 5 are installed at positions, close to the upper ends, of the support arms 2, the double-end positioning pins 5 slide in the through holes and can pull the double-end positioning pins 5 backwards, the double-end positioning pins 5 are used for loosening or locking circular tubes 8, the pin heads of the double-end positioning pins 5 on two sides are arranged on the support arms 2 in opposite directions, the pin heads of the double-end positioning pins 5 are attached to the side walls of a circular fixing block 9, counter bores distributed in an annular array are formed in the outer surface of one end of the circular fixing block 9, the counter bores in different, the insertion of the positioning end is facilitated, when the spring 11 is in a popping state, the positioning end of the double-end positioning pin 5 is positioned in a counter bore, and the round pipe 8 can be locked, the outer wall of one end, close to the round fixing block 9, of the double-end positioning pin 5 is welded with the stop block 4, the spring 11 is arranged between the stop block 4 and the supporting arm 2, the spring 11 is arranged on the outer wall of the double-end positioning pin 5, one end of the spring 11 is welded on one side of the stop block 4, the other end of the spring is welded on the inner wall of the supporting arm 2, the stop block 4 can enable the spring 11 to be in the popping state, the spring 11 can enable the double-end positioning pin 5 to automatically rebound when being pulled out, the upper surface of the middle of one end of the round fixing block 9 is provided with the rotating shaft 7 connected with the inner wall of one side of the, threaded hole's inside is provided with assorted threaded rod 3 with it, and threaded rod 3 can drive first semicircular clamping plate 6 and the removal of second semicircular clamping plate 10, and the one end of threaded rod 3 exposes on the outer wall of pipe 8, and convenient the rotation, the other end of the threaded rod 3 of both sides swing joint has first semicircular clamping plate 6 and the semicircular clamping plate 10 of second respectively, and first semicircular clamping plate 6 is the concave surface with the semicircular clamping plate 10 of second and sets up in opposite directions, for the tight silencer of better clamp.

The working principle is as follows: put into the pipe 8 earlier the silencer, the threaded rod 3 rotates, the first semicircular clamp plate 6 and the second semicircular clamp plate 10 with 3 interconnect of threaded rod move to opposite direction and can press from both sides tight silencer, outside pulling double-end locating pin 5, the one end of double-end locating pin 5 breaks away from the counter bore that circular fixed block 9 was gone up, can rotate pipe 8 to welding position, loosen double-end locating pin 5 spring 11 will drive double-end locating pin 5 and insert the locating end of double-end locating pin 5 in the counter bore again, pull out double-end locating pin 5 once more when one end welding is accomplished and make it break away from the counter bore, rotate to welding position once more, loosen double-end locating pin 5 and make it from going into the counter bore that the angle matches again, can fix pipe 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a silencer is welding frock for preprocessing, includes base (1) and support arm (2), its characterized in that, all weld support arm (2) of vertical form on the both ends lateral wall of base (1), double-end locating pin (5) are all installed in the position that is close to the upper end in support arm (2), and the round pin head of the double-end locating pin (5) of both sides is the opposite direction setting and installs on support arm (2), and the round pin head laminating of double-end locating pin (5) is on the lateral wall of circular fixed block (9), and double-end locating pin (5) have dog (4) in the welding on the one end outer wall that is close to circular fixed block (9), installs spring (11) between dog (4) and support arm (2), install axis of rotation (7) that are connected with one side inner wall of support arm (2) in the middle of the one end of circular fixed block (9), and the other, threaded holes are formed in the pipe wall of the round pipe (8) close to the upper end and the lower end of the round pipe, threaded rods (3) matched with the threaded holes are arranged inside the threaded holes, one ends of the threaded rods (3) are exposed out of the outer wall of the round pipe (8), and the other ends of the threaded rods (3) on the two sides are movably connected with a first semicircular clamping plate (6) and a second semicircular clamping plate (10) respectively.

2. The welding tool for preprocessing the muffler is characterized in that counter bores distributed in an annular array are formed in the outer surface of one end of the round fixing block (9), the diameters of the counter bores are larger than those of the double-head positioning pins (5), and when the spring (11) is in an ejecting state, the positioning ends of the double-head positioning pins (5) are located in the counter bores.

3. The welding tool for preprocessing the silencer according to claim 1, wherein the concave surfaces of the first semicircular clamping plate (6) and the second semicircular clamping plate (10) are arranged oppositely.

4. The welding tool for preprocessing the silencer according to claim 1, wherein through holes matched with the double-head positioning pins (5) are formed in the upper ends of the supporting arms (2) on two sides, and the double-head positioning pins (5) slide in the through holes.

5. A welding tool for preprocessing a silencer according to claim 1, characterized in that the spring (11) is installed on the outer wall of the double-end positioning pin (5), and one end of the spring is welded on one side of the stop block (4) and the other end of the spring is welded on the inner wall of the supporting arm (2).