CN217044185U

CN217044185U - Automobile muffler shell stretching device

Info

Publication number: CN217044185U
Application number: CN202220744630.XU
Authority: CN
Inventors: 赵阳; 张承义; 王健
Original assignee: Qingdao Sihuan Automobile Parts Co ltd
Current assignee: Qingdao Sihuan Automobile Parts Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-26
Anticipated expiration: 2032-04-01

Abstract

The utility model belongs to the technical field of automobile muffler shell processing, and discloses an automobile muffler shell stretching device, which comprises a base, wherein the top of the base is provided with a support column, the top of the support column is provided with a mounting plate with an oval structure, the top of the mounting plate is provided with a support rod, the top end of the support rod is symmetrically fixed with two electric push rods, the telescopic ends of the two electric push rods are both fixedly connected with a stretching rod, and the bottom end of the stretching rod is provided with a rod support; the utility model discloses set up and carried out the process of repairing the type after tensile pole is tensile, gear engagement drives the turning handle and carries out oval shape detour with the winding stem, and the slider on the winding stem slides in mounting panel upper end spout, realizes from this that the winding stem rotates around the mounting panel of oval structure.

Description

Automobile muffler shell stretching device

Technical Field

The utility model belongs to the technical field of car muffler shell processing, concretely relates to car muffler shell stretching device.

Background

The present invention relates to a muffler for a vehicle, and more particularly, to a muffler for a vehicle, which is capable of reducing noise generated when an engine of the vehicle operates.

However, the existing device for processing the automobile silencer shell into the oval shape in the market at present has some defects in the use process, for example, the existing processing device mainly adopts a press-fitting die to apply force from the top to press the circular tube shell into the oval shape, but a metal circular tube is easy to roll on a lower end die in the pressing process, and the existing automobile silencer shell stretching device does not have a shaping process after stretching is finished, so that the shape accuracy of a processed workpiece cannot be ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile silencer shell stretching device to solve the problem of mentioning among the above-mentioned prior art now.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a car muffler shell stretching device, includes the base, the top of base is provided with the support column, the top of support column is provided with the mounting panel of oval structure, the top of mounting panel is provided with the bracing piece, the top symmetry of bracing piece is fixed with two electric putter, two the tensile pole of the equal fixedly connected with in electric putter's flexible end, the bottom of tensile pole is provided with the pole and holds in the palm, sliding connection has two winding rods on the lateral wall of mounting panel, and two one side that the winding rod is close to the mounting panel all is connected with the spring, and every the one end of spring all is connected with the heating rod.

Preferably, the cross-sectional shape of the stretching rod is an arc shape, and the stretching rod may be defined between the winding rod and the heating rod.

Preferably, the side wall of the mounting plate is provided with a sliding groove, the two winding rods are provided with sliding blocks, and the sliding blocks can be limited in the sliding groove in a sliding manner.

Preferably, an electric heating ring is fixed at the top of the mounting plate, the electric heating ring is of an oval annular structure, a limiting protrusion extending towards the center is arranged on the inner wall of the electric heating ring, a guide groove is formed in the outer wall of one side of the heating rod, and the limiting protrusion is limited in the guide groove in a sliding manner.

Preferably, the cover is equipped with second gear and fifth gear on the support column, second gear and support column fixed connection, just the fifth gear rotates with the support column to be connected, the bilateral symmetry meshing of second gear has two third gears, just one side meshing that the second gear was kept away from to the third gear has the fourth gear, the bilateral symmetry of fifth gear is fixed with two connecting plates, just third gear and fourth gear all rotate with the connecting plate to be connected, two the fourth gear respectively with two winding rods between correspond fixedly connected with turning handles.

Preferably, the top of base is fixed with the motor, just the motor is located one side of support column, the one end of motor is rotated and is connected with first gear, just first gear engagement is connected in one side of fifth gear.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model discloses set up and carried out the winding stem and the heating rod of type of repairing to the work piece after the extension rod is tensile, gear engagement drives the turning handle and the winding stem carries out oval shape detour, slider on the winding stem slides in mounting panel upper end spout, realize from this that the winding stem rotates around the mounting panel of oval structure, spring shrinkage at the bottom of the winding stem and between the heating rod makes both be close to, extrude and do oval detour together to the centre, realize carrying out oval type of repairing to the work piece of pressing from both sides from this, ensure the accuracy of processing back work piece shape.

(2) The utility model discloses set up and to have encircleed electrically conductive oval electric heat ring, the heating rod is in tensile back of tensile pole, and the guide slot on the heating rod contacts the spacing arch of electric heat ring, realizes the heating to the heating rod from this, and the shape has ensured for oval closed electric heat ring that the heating rod can generate heat at any time along with the in-process of winding stem motion, has realized repairing the continuous heating of type in-process from this, realizes repairing the type process more in the same direction as smooth and smooth smoothness from this.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a top view of the mounting plate and winding rod of the present invention;

fig. 3 is a schematic structural view of the cooperation of the heating rod and the electric heating ring of the present invention;

FIG. 4 is a bottom view of the connection plate and the gear of the present invention;

in the figure: 1-base, 2-slide block, 3-spring, 4-winding rod, 5-stretching rod, 6-electric push rod, 7-support rod, 8-rod support, 9-heating rod, 10-electric heating ring, 11-mounting plate, 12-sliding chute, 13-support column, 14-rotating handle, 15-fourth gear, 16-limit projection, 17-guide groove, 18-connecting plate, 19-fifth gear, 20-motor, 21-first gear, 22-second gear and 23-third gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a stretching device for an automobile silencer shell comprises a base 1, wherein a supporting column 13 is arranged at the top of the base 1, a mounting plate 11 with an oval structure is arranged at the top of the supporting column 13, a supporting rod 7 is arranged at the top of the mounting plate 11, two electric push rods 6 are symmetrically fixed at the top end of the supporting rod 7, stretching rods 5 are fixedly connected at the telescopic ends of the two electric push rods 6, a rod support 8 is arranged at the bottom end of each stretching rod 5, the rod support 8 is mainly used for supporting a workpiece to be processed and preventing the workpiece to be processed from contacting with a spring below the workpiece to be processed, two winding rods 4 are connected on the side wall of the mounting plate 11 in a sliding manner, and one side that two winding rods 4 are close to mounting panel 11 all is connected with spring 3, and the one end of every spring 3 all is connected with heating rod 9, and setting up of heating rod 9 mainly is applied to and cooperates the type of repairing to the work piece after drawing with winding rods 4, and the heating makes work piece type repairing process more smooth and easy.

In this embodiment, it is preferable that the cross-sectional shape of the stretching rod 5 is an arc shape, and the stretching rod 5 may be defined between the winding rod 4 and the heating rod 9.

In this embodiment, preferably, the side wall of the mounting plate 11 is provided with a sliding groove 12, the two winding rods 4 are provided with sliding blocks 2, the sliding blocks 2 can be slidably limited in the sliding grooves 12, and the sliding blocks 2 and the sliding grooves 12 are mainly applied to the rotation of the winding rods 4 around the mounting plate 11.

In this embodiment, preferably, the top of the mounting plate 11 is fixed with an electric heating coil 10, the electric heating coil 10 is in an oval ring structure, the inner wall of the electric heating coil 10 is provided with a limiting protrusion 16 extending toward the center, the outer wall of one side of the heating rod 9 is provided with a guide groove 17, the limiting protrusion 16 is slidably limited inside the guide groove 17, and the electric heating coil 10 is mainly used for electrifying the heating rod 9, so that the continuous heating of the heating rod is realized.

In this embodiment, preferably, the support column 13 is sleeved with the second gear 22 and the fifth gear 19, the second gear 22 is fixedly connected with the support column 13, the fifth gear 19 is rotatably connected with the support column 13, two third gears 23 are symmetrically engaged with two sides of the second gear 22, one side of the third gear 23 away from the second gear 22 is engaged with the fourth gear 15, two connecting plates 18 are symmetrically fixed to two sides of the fifth gear 19, the third gear 23 and the fourth gear 15 are both rotatably connected with the connecting plates 18, and the two fourth gears 15 respectively correspond to and are fixedly connected with the rotating handle 14 between the two winding rods 4.

In this embodiment, preferably, the top of the base 1 is fixed with the motor 20, and the motor 20 is located one side of the support column 13, one end of the motor 20 is connected with the first gear 21 in a rotating manner, and the first gear 21 is connected to one side of the fifth gear 19 in a meshing manner, the motor 20 is mainly used to drive the first gear 21 to rotate, the first gear 21 drives the rotating handle 14 on the fourth gear 15 to rotate through a series of gear meshes, and therefore the rotating handle 14 is driven to rotate around the winding rod 4 in an elliptic and circular manner.

The utility model discloses a theory of operation and use flow:

firstly, a workpiece to be processed is sleeved on the outer sides of two stretching rods 5, and the bottom of the workpiece to be processed is placed on a rod support 8, so that the workpiece to be processed is placed;

after the workpiece to be machined is placed, the telescopic end of the electric push rod 6 extends to push the stretching rod 5 to move towards the two ends of the mounting plate 11, and the heating rod 9 blocked by the stretching rod 5 moves towards the two ends of the mounting plate 11 along with the stretching rod 5 under the action force of the spring 3, so that the workpiece to be machined is pulled and deformed by the stretching rod 5.

When the stretching rod is pushed to the length of the long axis of the required oval shape, the shaft of the motor 20 drives the first gear 21 to rotate, the first gear 21 is meshed through the gears to drive the fifth gear 19 to rotate, the fifth gear 19 drives the connecting plate 18 fixed on the fifth gear to rotate, in the rotating process of the connecting plate 18, the second gear 22 and the third gear 23 are meshed to rotate, the third gear 23 and the fourth gear 15 are meshed to rotate, the rotating handle 14 fixed on the fourth gear 15 drives the winding rod 4 to rotate around the mounting plate 11, the sliding block 2 on the winding rod 4 slides in the sliding groove 12, therefore, the winding rod 4 winds around the mounting plate 11 in an oval manner, and the spring 3 of the winding rod 4 drives the heating rod 9 to be close to the winding rod 4 and clamp a workpiece;

after clamping, the winding rod 4 drives the heating rod 9 to rotate, the heating rod 9 is separated from the obstruction of the stretching rod 5 after rotating, the limiting protrusion 16 on the electric heating ring 10 slides and is limited in the guide groove 17 on the heating rod 9, the limiting protrusion 16 on the electric heating ring 10 energizes the heating rod 9, and therefore heating of the heating rod 9 is achieved, and the two pairs of winding rods 4 and the heating rod 9 respectively detour to the other end of the mounting plate 11 from one end of the mounting plate 11, and therefore the shape correction of the workpiece is achieved.

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

Claims

1. The utility model provides an automobile muffler shell stretching device, includes base (1), its characterized in that: the top of base (1) is provided with support column (13), the top of support column (13) is provided with mounting panel (11) of oval structure, the top of mounting panel (11) is provided with bracing piece (7), the top symmetry of bracing piece (7) is fixed with two electric putter (6), two the equal fixedly connected with of flexible end of electric putter (6) tensile pole (5), the bottom of tensile pole (5) is provided with pole support (8), sliding connection has two winding stem (4) on the lateral wall of mounting panel (11), and two one side that winding stem (4) are close to mounting panel (11) all is connected with spring (3), and every the one end of spring (3) all is connected with heating rod (9).

2. The stretching device for muffler shells for automobiles as set forth in claim 1, wherein: the cross section of the stretching rod (5) is arc-shaped, and the stretching rod (5) can be limited between the winding rod (4) and the heating rod (9).

3. The stretching device for the muffler shell of the automobile as set forth in claim 1, wherein: the side wall of the mounting plate (11) is provided with a sliding groove (12), the winding rod (4) is provided with a sliding block (2), and the sliding block (2) can be limited in the sliding groove (12) in a sliding mode.

4. The stretching device for the muffler shell of the automobile as set forth in claim 1, wherein: the top of mounting panel (11) is fixed with ring heater (10), ring heater (10) become oval annular structure, and be equipped with spacing arch (16) that extend to the center on the inner wall of ring heater (10), guide slot (17) have been seted up on one side outer wall of heating rod (9), and inside in guide slot (17) is injectd in spacing arch (16) slidable.

5. The stretching device for the muffler shell of the automobile as set forth in claim 1, wherein: the cover is equipped with second gear (22) and fifth gear (19) on support column (13), second gear (22) and support column (13) fixed connection, just fifth gear (19) rotate with support column (13) and are connected, the bilateral symmetry meshing of second gear (22) has two third gear (23), just one side meshing that second gear (22) were kept away from in third gear (23) has fourth gear (15), the bilateral symmetry of fifth gear (19) is fixed with two connecting plates (18), just third gear (23) and fourth gear (15) all rotate with connecting plate (18) and are connected, two fourth gear (15) respectively with correspond fixedly connected with turning handle (14) between two winding stems (4).

6. The stretching device for a muffler shell of an automobile as claimed in claim 5, wherein: the top of base (1) is fixed with motor (20), just motor (20) are located one side of support column (13), the one end of motor (20) is rotated and is connected with first gear (21), just first gear (21) meshing is connected in one side of fifth gear (19).