CN219520809U - Spot welding device for circular hole silencer - Google Patents

Abstract

The utility model belongs to the field of muffler processing, and particularly relates to a spot welding device for a circular hole muffler. This scheme is through being provided with parts such as threaded rod, pivot, first bevel gear, second bevel gear, the accessible rotates the pivot, makes the pivot drive first bevel gear and rotates, makes the threaded rod on the first bevel gear drive second bevel gear rotate, makes threaded rod and link take place the screw thread motion, can make the threaded rod drive two splint simultaneously and carry out the centre gripping to the work piece, and can make splint more stable to the work piece centre gripping, has solved current muffler spot welding device at centre gripping round hole muffler, can lead to the unstable problem of anchor clamps to the work piece centre gripping probably.

Description

Spot welding device for circular hole silencer

Technical Field

The utility model belongs to the field of muffler processing, and particularly relates to a spot welding device for a circular hole muffler.

Background

Muffler is generally referred to as a muffler. The muffler means that for the air flow pipeline with noise transmission, the noise in the pipeline can be attenuated or reflected back by using the pipeline with sound absorption lining and elbow or using the noise reduction devices such as the pipeline with suddenly changed sectional area and other discontinuous acoustic impedance. The muffler is manufactured by a spot welding device. The utility model discloses a silencer welding device according to patent grant publication No. CN217618753U, which comprises a base and a mounting unit arranged at the bottom of the inner side of the base and used for fixing a silencer pipe fitting, wherein the top of the base is fixedly connected with a positioning arm, the side surface of the positioning arm is fixedly provided with an electric welding element, the mounting unit comprises symmetrically arranged clamping assemblies, each clamping assembly comprises a first fastening arm and a second fastening arm which are arranged in a crossed manner, the first fastening arm and the second fastening arm are connected through a rotating shaft, and the bottoms of the first fastening arm and the second fastening arm are connected through a bent pipe spring. Can make spacing silencer pipe fitting of clamping assembly fast, fix it to carry out welding process, the fastening state of contact clamping assembly of being convenient for simultaneously is dismantled to take to the silencer pipe fitting, has saved the required time of installation location in-process, has also improved the portability of installation dismantlement silencer pipe fitting in-process simultaneously. The efficiency of silencer pipe fitting welding work is improved. The existing silencer spot welding device drives the clamp to clamp the workpiece pair through the spring when the silencer spot welding device is used, the workpiece is a round hole silencer, the clamp can possibly clamp the workpiece unstably, and the existing silencer spot welding device can possibly clamp the workpiece due to different specifications of the workpiece when the silencer is clamped.

Disclosure of Invention

The utility model aims to provide a spot welding device for a circular hole silencer, which solves the problems that the existing spot welding device for the circular hole silencer can cause unstable clamping of a clamp on a workpiece because the clamp is driven by a spring to clamp the workpiece when in use, and the existing spot welding device for the circular hole silencer can cause the problem that the clamp cannot clamp the workpiece because the specifications of the workpiece are different when the existing spot welding device for the circular hole silencer clamps the circular hole silencer.

In order to achieve the above purpose, the utility model provides a spot welding device for a circular hole silencer, which comprises a base, wherein a welding device is arranged on the base, a mounting block is fixedly connected to the base, a connecting plate is contacted to the mounting block, a connecting frame is fixedly connected to the connecting plate, a connecting frame is connected to the inside of the mounting block in a sliding manner, a clamping plate is fixedly connected to the connecting plate, the clamping plate is contacted with the mounting block, a limiting mechanism is arranged on the mounting block, a threaded rod is connected to the inside of the mounting block through a bearing, positive and negative threads are arranged on the threaded rod, the threaded rod is connected with the connecting frame through threads, and a driving mechanism is arranged on the mounting block.

The principle of the utility model is as follows: when the clamping device is used, a workpiece is placed on the mounting block and is positioned between the two clamping plates, then the knob is rotated, the knob drives the rotating shaft to rotate, the rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the threaded rod to rotate, the threaded rod and the connecting frame are in threaded movement, the connecting frame slides on the threaded rod and the mounting block, the connecting frame drives the connecting plate to move, the connecting plate drives the clamping plate to move, the clamping plate clamps the workpiece, the clamping plate drives the sleeve to move when clamping the workpiece, the sleeve drives the top plate on the slide rod to move, the top plate is in contact with the workpiece, the top plate can drive the slide rod to squeeze the spring according to the specification of the workpiece, and the elastic force of the spring drives the top plate on the slide rod to be attached to the workpiece, so that the clamping plate is more stable when clamping the workpiece.

The utility model has the beneficial effects that: according to the scheme, the parts such as the threaded rod, the rotating shaft, the first bevel gear and the second bevel gear are arranged, the rotating shaft can be rotated, the rotating shaft drives the first bevel gear to rotate, the first bevel gear drives the threaded rod on the second bevel gear to rotate, the threaded rod and the connecting frame perform threaded movement, the threaded rod can drive the two clamping plates to clamp a workpiece at the same time, the clamping plates can clamp the workpiece more stably, and the problem that an existing silencer spot welding device clamps a circular hole silencer possibly to cause an unstable clamping of the workpiece is solved;

this scheme can make the spring drive roof and the laminating of work piece on the slide bar when splint carry out the centre gripping to the work piece through being provided with parts such as sleeve, slide bar, spring, makes splint be applicable to the work piece of various specifications more, has solved current muffler spot welding device when centre gripping round hole muffler, because the specification of work piece is different, can lead to the anchor clamps to grasp the problem of work piece.

Further, stop gear includes sleeve, spacing ring, slide bar, spring, roof, fixedly connected with sleeve on the splint, fixedly connected with spacing ring on the sleeve, telescopic inside sliding connection has the slide bar, the inside sliding connection of spacing ring has the slide bar, telescopic inside is provided with the spring, through stop gear's design, can be more stable to the work piece centre gripping.

Further, one end of the spring is in contact with the sliding rod, the other end of the spring is in contact with the sleeve, a top plate is fixedly connected to the sliding rod, and the top plate on the sliding rod can be driven to move through the design of the spring.

Further, actuating mechanism includes pivot, limiting plate, knob, first bevel gear, second bevel gear, the inside rotation of installation piece is connected with the pivot, fixedly connected with first bevel gear in the pivot, fixedly connected with second bevel gear on the threaded rod, first bevel gear and second bevel gear meshing can drive two connecting plates simultaneously through actuating mechanism's design.

Further, fixedly connected with limiting plate in the pivot, limiting plate and installation piece contact, through the design of limiting plate, can play spacing effect to the pivot.

Further, fixedly connected with knob in the pivot, the knob contacts with the installation piece, through the design of knob, can conveniently rotate the pivot.

Furthermore, the number of the mounting blocks is two, the two mounting blocks are symmetrically distributed on the base, and the mounting blocks can be used for mounting the clamp through the design of the mounting blocks.

Drawings

FIG. 1 is a perspective view showing the overall structure of a spot welding apparatus for a circular hole muffler according to an embodiment of the present utility model;

FIG. 2 is a side cross-sectional view of FIG. 1 of a circular hole muffler spot welding apparatus according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of the structure of part A in FIG. 2 of a spot welding apparatus for a circular hole muffler according to an embodiment of the present utility model;

FIG. 4 is a partial structural top view of the spot welding apparatus of the circular hole muffler of the embodiment of the present utility model;

fig. 5 is a structural cross-sectional view of the mounting block of fig. 4 of a circular hole silencer spot welding device according to an embodiment of the present utility model.

Detailed Description

The following is a further detailed description of the embodiments:

reference numerals in the drawings of the specification include: base 1, welding set 2, installation piece 3, connecting plate 4, link 41, splint 5, stop gear 6, sleeve 61, spacing ring 62, slide bar 63, spring 64, roof 65, threaded rod 7, actuating mechanism 8, pivot 81, limiting plate 82, knob 83, first bevel gear 84, second bevel gear 85.

As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, this embodiment provides a circular hole silencer spot welding device, including base 1, be provided with welding set 2 on the base 1, fixedly connected with installation piece 3 on the base 1, the quantity of installation piece 3 is two, two installation pieces 3 are symmetrical distribution on base 1, through the design of installation piece 3, can be used to mounting fixture, the contact has connecting plate 4 on the installation piece 3, fixedly connected with link 41 on the connecting plate 4, the inside sliding connection of installation piece 3 has link 41, fixedly connected with splint 5 on the connecting plate 4, splint 5 and installation piece 3 contact, be provided with stop gear 6 on the installation piece 3, the inside of installation piece 3 is connected with threaded rod 7 through the bearing, be provided with positive and negative screw thread on the threaded rod 7, threaded rod 7 and link 41 pass through threaded connection, be provided with actuating mechanism 8 on the installation piece 3.

As shown in fig. 2, 3, 4 and 5, the limiting mechanism 6 comprises a sleeve 61, a limiting ring 62, a sliding rod 63, a spring 64 and a top plate 65, the sleeve 61 is fixedly connected to the clamping plate 5, the limiting ring 62 is fixedly connected to the sleeve 61, the sliding rod 63 is slidingly connected to the limiting ring 62, the spring 64 is arranged in the sleeve 61, one end of the spring 64 is in contact with the sliding rod 63, the other end of the spring 64 is in contact with the sleeve 61, the top plate 65 is fixedly connected to the sliding rod 63, the top plate 65 on the sliding rod 63 can be driven to move through the design of the spring 64, and workpiece clamping can be more stable through the design of the limiting mechanism 6.

As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the driving mechanism 8 comprises a rotating shaft 81, a limiting plate 82, a knob 83, a first bevel gear 84 and a second bevel gear 85, the rotating shaft 81 is connected to the inside of the installation block 3 in a rotating mode, the limiting plate 82 is fixedly connected to the rotating shaft 81, the limiting plate 82 is in contact with the installation block 3, the rotating shaft 81 can be limited through the design of the limiting plate 82, the knob 83 is fixedly connected to the rotating shaft 81, the knob 83 is in contact with the installation block 3, the rotating shaft 81 can be conveniently rotated through the design of the knob 83, the first bevel gear 84 is fixedly connected to the first bevel gear 84, the second bevel gear 85 is fixedly connected to the threaded rod 7, the first bevel gear 84 is meshed with the second bevel gear 85, and the two connecting plates 4 can be simultaneously driven to move through the design of the driving mechanism 8.

The specific implementation process of the utility model is as follows: when the clamp plate clamping device is used, a workpiece is placed on the mounting block 3 and is positioned between the two clamping plates 5, then the knob 83 is rotated, the knob 83 drives the rotating shaft 81 to rotate, the rotating shaft 81 drives the first bevel gear 84 to rotate, the first bevel gear 84 drives the second bevel gear 85 to rotate, the second bevel gear 85 drives the threaded rod 7 to rotate, the threaded rod 7 and the connecting frame 41 are in threaded motion, the connecting frame 41 slides on the threaded rod 7 and in the mounting block 3, the connecting frame 41 drives the connecting plate 4 to move, the connecting plate 4 drives the clamping plates 5 to move, the clamping plates 5 clamp the workpiece, the sleeve 61 can be driven to move when the clamping plates 5 clamp the workpiece, the sleeve 61 drives the top plate 65 on the sliding rod 63 to move, the top plate 65 is contacted with the workpiece, the top plate 65 can drive the sliding rod 63 to extrude the spring 64 according to the specification of the workpiece, and the elasticity of the spring 64 can drive the top plate 65 on the sliding rod 63 to be attached to the workpiece, so that the clamping plates 5 clamp the workpiece clamping plates are more stable when clamping the workpiece.

This scheme is through being provided with parts such as threaded rod 7, pivot 81, first bevel gear 84, second bevel gear 85, the accessible rotates pivot 81, makes pivot 81 drive first bevel gear 84 rotate, makes first bevel gear 84 drive the threaded rod 7 on the second bevel gear 85 and rotates, makes threaded rod 7 take place the screw thread motion with link 41, can make threaded rod 7 drive two splint 5 simultaneously and carry out the centre gripping to the work piece, and can make splint 5 more stable to the work piece centre gripping, has solved current muffler spot welding device at centre gripping round hole muffler, can lead to the unstable problem of anchor clamps to the work piece centre gripping.

This scheme can make spring 64 drive roof 65 and the laminating of work piece on the slide bar 63 when splint 5 carry out the centre gripping to the work piece through being provided with parts such as sleeve 61, slide bar 63, spring 64, makes splint 5 more be applicable to the work piece of various specifications, has solved current muffler spot welding device when centre gripping round hole muffler, because the specification of work piece is different, can lead to the anchor clamps to hold the problem of work piece inadequately.

It should be noted in advance that, in the present utility model, unless explicitly specified and limited otherwise, terms such as "mounted," "connected," "fixed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing is merely exemplary embodiments of the present utility model, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.

Claims (7)

1. The utility model provides a round hole muffler spot welding device, includes base, its characterized in that: be provided with welding set on the base, fixedly connected with installation piece on the base, the contact has the connecting plate on the installation piece, fixedly connected with link on the connecting plate, the inside sliding connection of installation piece has the link, fixedly connected with splint on the connecting plate, splint and installation piece contact, be provided with stop gear on the installation piece, the inside of installation piece is connected with the threaded rod through the bearing, be provided with positive and negative screw thread on the threaded rod, threaded rod and link pass through threaded connection, be provided with actuating mechanism on the installation piece.

2. The spot welding device for a circular hole silencer according to claim 1, wherein: the limiting mechanism comprises a sleeve, a limiting ring, a sliding rod, a spring and a top plate, wherein the sleeve is fixedly connected to the clamping plate, the limiting ring is fixedly connected to the sleeve, the sliding rod is connected to the sleeve in a sliding mode, the sliding rod is connected to the limiting ring in a sliding mode, and the spring is arranged in the sleeve.

3. The spot welding device for a circular hole silencer according to claim 2, characterized in that: one end of the spring is contacted with the sliding rod, the other end of the spring is contacted with the sleeve, and the sliding rod is fixedly connected with the top plate.

4. The spot welding device for a circular hole silencer according to claim 1, wherein: the driving mechanism comprises a rotating shaft, a limiting plate, a knob, a first bevel gear and a second bevel gear, wherein the rotating shaft is connected to the inside of the mounting block in a rotating mode, the first bevel gear is fixedly connected to the rotating shaft, the second bevel gear is fixedly connected to the threaded rod, and the first bevel gear is meshed with the second bevel gear.

5. The spot welding device for a circular hole silencer of claim 4, wherein: and the rotating shaft is fixedly connected with a limiting plate, and the limiting plate is contacted with the mounting block.

6. The spot welding device for a circular hole silencer of claim 4, wherein: the rotary shaft is fixedly connected with a knob, and the knob is contacted with the mounting block.

7. The spot welding device for a circular hole silencer according to claim 1, wherein: the number of the mounting blocks is two, and the two mounting blocks are symmetrically distributed on the base.