CN219484600U

CN219484600U - Welding tool for automobile muffler

Info

Publication number: CN219484600U
Application number: CN202320645056.7U
Authority: CN
Inventors: 黄涛
Original assignee: Qingdao Li Automobile Parts Co ltd
Current assignee: Qingdao Li Automobile Parts Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-08-08
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a welding tool for an automobile muffler, which comprises a workbench, wherein a base is arranged at the top of the workbench, and a rotatable placing box is placed at the top of the base; the rotating plate is rotationally connected to the upper end inside the placing box, the clamping plate is rotationally connected to the top of the rotating plate, a first rotating column is installed at the center of the bottom of the rotating plate, a driven gear is fixedly sleeved at the upper end of the first rotating column, a connecting plate is installed on one side inside the placing box, and an adjusting structure is arranged inside the base and the placing box. According to the utility model, the positions of the two third bevel gears are regulated through the sliding sleeve, when one third bevel gear is meshed with the first bevel gear in normal use, the rotating cross rod can achieve mutual approaching of the clamping plates, clamping fixation of automobile silencers with different sizes is achieved, when the sleeve is pressed, the other third bevel gear is meshed with the second bevel gear, stable rotation of the automobile silencers can be achieved by the rotating cross rod, and welding operation of the automobile silencers by workers is facilitated.

Description

Welding tool for automobile muffler

Technical Field

The utility model relates to the technical field related to automobile muffler processing, in particular to a welding tool for an automobile muffler.

Background

The automobile muffler is a part for reducing noise generated when an engine of a motor vehicle works, and because the length difference value of two pipelines is equal to half of the wavelength of sound waves emitted by the automobile, two rows of sound waves interfere and offset each other when being overlapped to weaken sound intensity, so that the sound is reduced, the effect of reducing noise is achieved, and the automobile muffler needs to be welded in the production process.

When welding the car muffler, at first need be with the fixed centre gripping of car muffler, the car muffler can not rotate after fixed centre gripping, and the staff welds just needs to operate round car muffler, and the staff is walked in-process hand and is unavoidable to produce the shake, causes the finished product quality to reduce easily.

Disclosure of Invention

The utility model aims to provide a welding tool for an automobile muffler, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a welding tooling for an automotive muffler, comprising:

the workbench is characterized in that a base is arranged at the top of the workbench, and a rotatable placing box is placed at the top of the base;

the rotating plate is rotationally connected to the upper end inside the placing box, the top of the rotating plate is rotationally connected with a clamping plate, a first rotating column is installed in the center of the bottom of the rotating plate, a driven gear is fixedly sleeved at the upper end of the first rotating column, a connecting plate is installed on one side inside the placing box, a limiting piece is arranged on the connecting plate, a first bevel gear is fixedly sleeved at the lower end of the first rotating column, and an adjusting structure is arranged inside the base and the placing box;

the adjusting structure comprises a cross rod, a second rotating column and a rotating rod, wherein the second rotating column is installed at the top of the inside of a base through a bearing, the bottom of the second rotating column is provided with a second bevel gear, the rotating rod is rotatably installed at the top of the base, the rotating rod stretches into the top end of an inner cavity of a placing box to be provided with a driving gear, the cross rod is rotatably installed inside the base, a sleeve is sleeved outside the cross rod in a sliding manner, a third bevel gear is installed in a mirror image outside the sleeve in a sliding manner, the two third bevel gears are respectively engaged with the first bevel gear and the second bevel gear in a sliding manner, and the rotating rod stretches into the outer end of the inner cavity of the base and the upper end of the second rotating column to be provided with belt pulleys which are connected through belt transmission.

As a further preferable mode of the technical scheme, the top of the rotating plate is provided with a spiral groove, the bottom of the clamping plate is provided with a sliding block, the bottom of the sliding block is in spiral connection with the spiral groove, the top of the placing box is provided with a sliding hole, and the clamping plate is connected with the sliding hole in a sliding penetrating way.

As a further preferable mode of the technical scheme, the bottom of the clamping plate is in sliding connection with the top of the placement box, the clamping plate is arc-shaped, a mounting hole is formed in the center of the top of the base, and the mounting hole is in rotary connection with the outer side of the first rotary column.

As a further preferable mode of the technical scheme, the limiting piece comprises a fixed rod, a guide rod and a first spring, wherein the fixed rod is arranged at the top of the connecting plate, and the guide rod is inserted into the upper end of the connecting plate in a sliding mode.

As a further preferable mode of the technical scheme, a locating plate is arranged on one side of the guide rod, a first spring is fixedly connected between the locating plate and the guide rod, a tooth slot is formed in one side of the locating plate, and the tooth slot is meshed with the driven gear.

As a further preferable mode of the technical scheme, a push plate is arranged at one end of the positioning plate, a through hole is formed at one end of the placement box, the push plate is inserted in the through hole in a sliding mode, a tooth slot is formed at the lower end of the inner portion of the placement box, and the tooth slot is meshed with the driving gear.

As a further preferable mode of the technical scheme, sliding strips are symmetrically arranged on the inner side of the sleeve, limiting grooves are formed in the outer side of the cross rod, the limiting grooves are in sliding connection with the sliding strips, and a disc is arranged at one end, extending out of the base, of the cross rod.

As a further preferable mode of the technical scheme, a second spring is connected between the disc and the sleeve, a rotating hole is formed in one end of the base, the rotating hole is matched with the sleeve in size, and L-shaped rods are arranged on two sides of one end of the sleeve extending out of the base.

The utility model provides a welding tool for an automobile muffler, which has the following beneficial effects:

according to the utility model, the positions of the two third bevel gears are regulated through the sliding sleeve, when one third bevel gear is meshed with the first bevel gear in normal use, the rotating cross rod can achieve mutual approaching of the clamping plates, clamping fixation of automobile silencers with different sizes is achieved, when the sleeve is pressed, the other third bevel gear is meshed with the second bevel gear, stable rotation of the automobile silencers can be achieved by the rotating cross rod, and welding operation of the automobile silencers by workers is facilitated.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the base and the holding box of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

FIG. 4 is a top view of the internal structure of the base of the present utility model;

FIG. 5 is an enlarged view of the structure of FIG. 4B in accordance with the present utility model;

FIG. 6 is a top plan view of the top structure of the placement box of the present utility model;

fig. 7 is a top view of the connecting structure of the placement box and the swivel plate of the utility model.

In the figure: 1. a work table; 2. a base; 3. placing a box; 4. a clamping plate; 5. a rotating plate; 6. a first rotating column; 601. a first bevel gear; 602. a driven gear; 7. a second rotating column; 701. a second bevel gear; 8. a rotating rod; 801. a drive gear; 9. a cross bar; 901. a disc; 10. a connecting plate; 11. a fixed rod; 12. a guide rod; 13. a positioning plate; 14. a first spring; 15. a sleeve; 1501. a third bevel gear; 16. and a second spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings

As shown in fig. 1, a welding fixture for an automobile muffler includes:

as shown in fig. 1, a base 2 is mounted on top of a workbench 1, a rotatable placement box 3 is placed on top of the base 2, and placement positions are provided for the base 2 and the placement box 3 through the workbench 1.

As shown in fig. 2, 6 and 7, the spiral groove is provided at the top of the rotating plate 5, the sliding block is installed at the bottom of the clamping plate 4, the sliding block bottom is in spiral connection with the spiral groove, the sliding hole is provided at the top of the placing box 3, the clamping plate 4 is in sliding penetration connection with the sliding hole, the number of the clamping plates 4 is four, the contact area between the sliding block and the rotating plate 5 is increased through the spiral groove, the four sliding blocks synchronously move towards the center of the rotating plate 5, and the sliding hole plays a role of limiting the clamping plate 4.

As shown in fig. 2 and 3, the rotating plate 5 is rotatably connected to the upper end inside the placement box 3, the top of the rotating plate 5 is rotatably connected with the clamping plate 4, the first rotating column 6 is installed at the center of the bottom of the rotating plate 5, the bottom of the clamping plate 4 is slidably connected with the top of the placement box 3, the clamping plate 4 is arc-shaped, the center of the top of the base 2 is provided with a mounting hole, the mounting hole is rotatably connected with the outer side of the first rotating column 6, the limiting of the shape of the clamping plate 4 is achieved, the contact area between the clamping plate 4 and the surface of the automobile muffler is increased, and the stability of fixing the automobile muffler by the clamping plate 4 is increased.

As shown in fig. 2 and 3, the fixed cover in the upper end of the first rotating column 6 is provided with a driven gear 602, a connecting plate 10 is installed on one side of the interior of the placement box 3, the bottom of the connecting plate 10 is rotationally connected with the top of the base 2, the connecting plate 10 is not contacted with the first rotating column 6, a limiting piece is arranged on the connecting plate 10, the fixed cover in the lower end of the first rotating column 6 is provided with a first bevel gear 601, the base 2 and the interior of the placement box 3 are provided with an adjusting structure, and the rotating position of the automobile muffler is fixed and adjusted through the adjusting structure.

As shown in fig. 2 and 3, the limiting member comprises a fixing rod 11, a guide rod 12 and a first spring 14, wherein the fixing rod 11 is installed at the top of the connecting plate 10, the guide rod 12 is inserted into the upper end of the connecting plate 10 in a sliding manner, a positioning plate 13 is installed on one side of the guide rod 12, and the guide rod 12 is limited to slide through the connecting plate 10.

As shown in fig. 1 and 3, a push plate is installed at one end of the positioning plate 13, a through hole is formed at one end of the placement box 3, the push plate is inserted in the through hole in a sliding manner, the push plate extends out of one end of the placement box 3, a user can move the positioning plate 13, a tooth slot is formed at the lower end inside the placement box 3, the tooth slot is meshed with the driving gear 801, and the tooth slot is additionally formed at the lower end inside the placement box 3, so that the driving gear 801 can drive the placement box 3 to rotate in the rotating process.

As shown in fig. 3, a first spring 14 is fixedly connected between the positioning plate 13 and the guide rod 12, the first spring 14 plays a role of limiting the positioning plate 13, a tooth slot is formed on one side of the positioning plate 13, the tooth slot is meshed with the driven gear 602, the contact area between the tooth slot and the driven gear 602 is increased through the tooth slot, and the fixing of the rotation angle of the driven gear 602 is realized.

As shown in fig. 2, fig. 4 and fig. 5, the adjusting structure comprises a cross rod 9, a second rotating column 7 and a rotating rod 8, wherein the second rotating column 7 is installed at the top of the inside of the base 2 through a bearing, a second bevel gear 701 is installed at the bottom of the second rotating column 7, the rotating rod 8 is rotatably installed at the top of the base 2, a connecting hole is formed in one side, far away from the connecting plate 10, of the top of the base 2, the connecting hole is rotatably inserted and connected with the outer side of the rotating rod 8, the rotating rod 8 stretches into the top end of the inner cavity of the placing box 3 to be provided with a driving gear 801, the cross rod 9 is rotatably installed inside the base 2, and a sleeve 15 is sleeved outside the cross rod 9 in a sliding manner.

As shown in fig. 2, fig. 4 and fig. 5, the draw runner is installed to sleeve 15 inboard symmetry, the spacing groove has been seted up in the horizontal pole 9 outside, spacing groove and draw runner sliding connection, increase the resistance between sleeve 15 and horizontal pole 9 through draw runner and spacing groove, disc 901 is installed to the one end that horizontal pole 9 stretches out base 2, disc 901 facilitates the handheld rotation of user, be connected with second spring 16 between disc 901 and sleeve 15, second spring 16 plays spacing sleeve 15 sliding distance's effect, the change hole has been seted up to base 2 one end, change hole and sleeve 15 size looks adaptation, L shape pole is installed to the both sides that sleeve 15 stretches out base 2 one end.

As shown in fig. 2, 4 and 5, a third bevel gear 1501 is mirror-mounted on the outer side of the sleeve 15, two third bevel gears 1501 are respectively in sliding engagement with the first bevel gear 601 and the second bevel gear 701, belt pulleys are mounted on the outer end of the rotating rod 8 extending into the inner cavity of the base 2 and the upper end of the second rotating column 7, the two belt pulleys are in transmission connection through a belt, and synchronous rotation of the rotating rod 8 and the second rotating column 7 is achieved through the belt pulleys and the belt.

When the automobile muffler is used, firstly, the automobile muffler is placed in the clamping plate 4, the push plate slides towards one side far away from the driven gear 602, the push plate drives the locating plate 13 and the guide rod 12 to slide, at the moment, the locating plate 13 is far away from the driven gear 602, the transverse rod 9 is rotated, the transverse rod 9 drives the sleeve 15 to rotate through the sliding strip, the sleeve 15 drives one of the third bevel gears 1501 to rotate, one of the third bevel gears 1501 drives the first bevel gear 601 to rotate, the first bevel gear 601 drives the rotating plate 5 to rotate through the first rotating column 6, the rotating plate 5 drives the clamping plate 4 to slide towards the center to clamp the automobile muffler, the push plate is loosened again, the first spring 14 drives the locating plate 13 to fix the driven gear 602, the sleeve 15 is pressed, one of the third bevel gears 1501 and the first bevel gear 601 are not contacted, the other third bevel gear 1501 and the second bevel gear 701 are pressed, the rotating transverse rod 9 drives the second bevel gear 701 to rotate, the second bevel gear 701 drives the rotating rod 8 to rotate through the second rotating column 7, the belt pulley and the rotating rod 8 drives the placing box 3 to rotate through the driving gear 801, and therefore rotation of the automobile muffler is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Welding frock for automobile muffler, its characterized in that includes:

the workbench (1), a base (2) is arranged at the top of the workbench (1), and a rotatable placing box (3) is placed at the top of the base (2);

the rotating plate (5), rotating plate (5) rotates and connects in placing the inside upper end of case (3), rotating plate (5) top rotates and is connected with splint (4), rotating plate (5) bottom center department installs first rotation post (6), first rotation post (6) upper end fixed cover is equipped with driven gear (602), place case (3) inside one side and install connecting plate (10), be provided with the locating part on connecting plate (10), first rotation post (6) lower extreme fixed cover is equipped with first bevel gear (601), base (2) and place case (3) inside and be provided with adjusting structure;

the utility model provides an adjusting structure, adjusting structure includes horizontal pole (9), second pivoted post (7) and bull stick (8), second pivoted post (7) are installed in base (2) inside top through the bearing, second bevel gear (701) are installed to second pivoted post (7) bottom, bull stick (8) rotate and install in base (2) top, drive gear (801) are installed on top that bull stick (8) stretched into the inner chamber of placing case (3), horizontal pole (9) rotate and install in base (2) inside, horizontal pole (9) outside slip cap is equipped with sleeve (15), third bevel gear (1501) are installed to sleeve (15) outside mirror image, two third bevel gears (1501) slide interlock with first bevel gear (601) and second bevel gear (701) respectively, the belt pulley is all installed to the outer end that bull stick (8) stretched into base (2) inner chamber and second pivoted post (7) upper end, two belt pulleys are connected through belt drive.

2. The welding fixture for an automobile muffler according to claim 1, wherein: spiral grooves are formed in the tops of the rotating plates (5), sliding blocks are mounted at the bottoms of the clamping plates (4), the bottoms of the sliding blocks are in spiral connection with the spiral grooves, sliding holes are formed in the tops of the placing boxes (3), and the clamping plates (4) are connected with the sliding holes in a sliding penetrating mode.

3. The welding fixture for an automobile muffler according to claim 1, wherein: the bottom of the clamping plate (4) is in sliding connection with the top of the placement box (3), the clamping plate (4) is arc-shaped, a mounting hole is formed in the center of the top of the base (2), and the mounting hole is in rotary connection with the outer side of the first rotary column (6).

4. The welding fixture for an automobile muffler according to claim 1, wherein: the limiting piece comprises a fixing rod (11), a guide rod (12) and a first spring (14), wherein the fixing rod (11) is arranged at the top of the connecting plate (10), and the guide rod (12) is inserted into the upper end of the connecting plate (10) in a sliding manner.

5. The welding fixture for an automobile muffler according to claim 4, wherein: a locating plate (13) is arranged on one side of the guide rod (12), a first spring (14) is fixedly connected between the locating plate (13) and the guide rod (12), a tooth slot is formed in one side of the locating plate (13), and the tooth slot is meshed with the driven gear (602).

6. The welding fixture for an automobile muffler as defined in claim 5, wherein: the push plate is installed to locating plate (13) one end, and through-hole has been seted up to placing case (3) one end, and the slip interlude has the push plate in the through-hole, and the tooth's socket has been seted up to placing case (3) inside lower extreme, and tooth's socket meshes with drive gear (801).

7. The welding fixture for an automobile muffler according to claim 1, wherein: the sliding strips are symmetrically arranged on the inner side of the sleeve (15), the limiting grooves are formed in the outer side of the cross rod (9), the limiting grooves are in sliding connection with the sliding strips, and the disc (901) is arranged at one end, extending out of the base (2), of the cross rod (9).

8. The welding fixture for an automotive muffler according to claim 7, wherein: a second spring (16) is connected between the disc (901) and the sleeve (15), a rotating hole is formed in one end of the base (2), the rotating hole is matched with the sleeve (15) in size, and L-shaped rods are arranged on two sides, extending out of one end of the base (2), of the sleeve (15).