CN216095713U - Shaping device for air inlet end cone assembly of automobile exhaust system - Google Patents
Shaping device for air inlet end cone assembly of automobile exhaust system Download PDFInfo
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- CN216095713U CN216095713U CN202122554950.7U CN202122554950U CN216095713U CN 216095713 U CN216095713 U CN 216095713U CN 202122554950 U CN202122554950 U CN 202122554950U CN 216095713 U CN216095713 U CN 216095713U
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Abstract
The utility model discloses a shaping device for a cone assembly at the air inlet end of an automobile exhaust system, which comprises a positioning mechanism, a shaping mechanism and a forming mechanism, wherein the positioning mechanism, the shaping mechanism and the forming mechanism are arranged on the same base; the positioning mechanism is used for positioning the flange end of the cone assembly; the shaping mechanism is used for expanding and shaping the taper pipe of the fixed taper body assembly; when the conical pipe of the shaping mechanism is expanded and shaped, the forming mechanism extrudes the end part of the conical pipe of the conical body component. After the positioning mechanism fixes the product, the forming mechanism wraps the outer side of the product and restricts the large end opening of the product to be circular through the cavity of the forming mechanism, in order to prevent the product from rebounding after the forming mechanism releases force, the shaping mechanism expands outwards from the inner side of the product to form extrusion, and the three components are combined to complete the forming of the product once, so that the purpose of rounding is achieved.
Description
Technical Field
The utility model relates to cone welding equipment, in particular to a shaping device for a cone assembly at an air inlet end of an automobile exhaust system.
Background
The cone assembly at the air inlet end of the exhaust system of the automobile engine comprises a cone pipe 1 and a flange connecting pipe 2 (shown in figure 1) connected with the cone pipe. When the existing cone assembly is welded, the product precision is affected due to the large deformation caused by heating, so that the welded product needs to be shaped industrially, otherwise, the tolerance requirement of production cannot be met; however, in the prior art, manual shaping is basically adopted, so that the manual shaping efficiency is low and the shaping effect is poor.
In addition, the product is shaped by a common shaping die through multi-azimuth positioning and/or multi-sequence, and during common shaping, firstly, the product is elastically deformed during shaping, and the product after the shaping force is removed is easy to rebound, so that the shaping effect is poor, the procedures are multiple, and the automation and the practicability are low. Secondly, the different heat deformation of each welded product leads to poor product precision and consistency in common shaping mass production, and mass production cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Problem (A)
The utility model aims to provide a shaping device for a cone assembly at an air inlet end of an automobile exhaust system, and solves the technical problems that the shaping device in the prior art is low in shaping efficiency, complicated in process, poor in shaping effect and incapable of guaranteeing mass production.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme:
a shaping device for the conic component at the air inlet end of exhaust system of car is composed of a base
The shaping mechanism is arranged on the shaping mechanism;
the positioning mechanism is used for positioning the flange end of the cone assembly;
the shaping mechanism is used for expanding and shaping the taper pipe of the fixed taper body assembly;
when the conical pipe of the shaping mechanism expands outwards for shaping, the forming mechanism extrudes and shapes the end part of the conical pipe of the conical assembly. When the conical pipe of the shaping mechanism is expanded and shaped, the shaping mechanism extrudes and shapes the conical pipe port of the conical assembly in the thickness direction, so that the product is plastically deformed.
Further, the shaping mechanism comprises a shaping die, the shaping die is driven by the driving mechanism to horizontally reciprocate and push or pull the shaping die into or out of the taper pipe of the cone assembly, so that the shaping die expands outwards from the taper pipe of the cone assembly.
Preferably, the shaping die comprises a conical core rod and an eight-claw die, the core rod is placed in the eight-claw die, and the large end of the core rod extends out of the large end of the eight-claw die; the small end of the core rod is connected with a driving mechanism.
Further, the forming mechanism is arranged between the positioning mechanism and the shaping mechanism;
the forming mechanism comprises an upper forming die and a lower forming die which are correspondingly arranged up and down.
Preferably, the upper forming die and the lower forming die comprise die holders and die cores, and arc-shaped openings are formed in the die holders; one side of the die holder facing the shaping mechanism is provided with a fixing groove, and the die core is arranged in the fixing groove.
Furthermore, the positioning mechanism comprises a positioning seat and a pneumatic positioning clamping claw;
one side of the positioning seat facing the forming mechanism is an inclined plane, a positioning plate is attached to the inclined plane, one side of the positioning plate facing the forming mechanism is provided with a positioning concave platform matched with the flange end face of the cone assembly, and stepped strip-shaped holes corresponding to the through holes at the flange end of the cone assembly are symmetrically formed in the positioning concave platform.
Preferably, the pneumatic positioning clamp comprises a left clamp and a right clamp which are symmetrically arranged on two sides of the positioning plate and are opposite to each other;
the left clamping claw and the right clamping claw respectively comprise an air cylinder and a clamping claw which is rotationally connected with the air cylinder, the clamping claw is rotationally connected with the limiting plate close to the connecting position of the air cylinder, and the air cylinder and the limiting plate drive the clamping claw to open and close.
Preferably, the drive mechanism includes a cylinder connected to the mandrel and a drive assembly that drives the eight jaw die into/out of the cone assembly.
Preferably, the driving assembly comprises a bottom plate, a driving block for pushing/pulling the eight-claw die is arranged on the bottom plate, and the driving block is positioned between the small end of the eight-claw die and the oil cylinder;
preferably, the bottom of the bottom plate is provided with a sliding rail and a sliding block which are matched with each other for use, and the sliding block drives the bottom plate and the driving block to move so as to drive the eight-claw die.
Preferably, the two sides of the bottom plate, which are perpendicular to the slide rail, are provided with a limiting seat and a pneumatic cylinder, the limiting seat is arranged on one side close to the forming mechanism, and the pneumatic cylinder is arranged on the other side.
(III) advantageous effects
1. After the positioning mechanism fixes the product, the forming mechanism wraps the product, the shaping mechanism expands outward to form extrusion, and the three are combined to complete the forming of the product once, so that the shaping purpose is achieved. The plastic mechanism expands outward, and the forming mechanism extrusion makes the thickness direction of product take place slight change simultaneously to take place plastic deformation, the product inner structure after the plastic deformation changes, and internal stress supports the product can not kick-back again under the circumstances of unloading external force, and the product uniformity is good during mass production, reaches the tolerance range that the volume production required, is showing to improve plastic efficiency and plastic effect, reduces the defective rate, and degree of automation is high.
2. The forming mechanism is used for wrapping a product by an upper forming die and a lower forming die with semicircular openings, and the forming die cavity restrains the product to be circular by pressure. The cylinder pushes the sizing die to enter the inner diameter of a product, the oil cylinder pulls the rod core, the rod core drives the eight-claw die to move, and the eight claws expand outwards; because the outer side of the product is wrapped, the inner side of the product is extruded in the eight-claw movement process, the thickness of the product is changed in the extrusion process, and the original elastic deformation is changed into the plastic deformation.
3. The shaping mechanism expands outwards, and meanwhile, the forming mechanism enables the thickness direction of the product to be extruded, so that plastic deformation occurs, the internal structure of the product after plastic deformation is changed, the internal stress of the material supports the product not to rebound again under the condition that the external force is removed, the roundness tolerance precision of the product meets the production requirement, the consistency of mass production of the product is ensured, the quality and the precision of the product are obviously improved, the reject ratio of the product is reduced, and the automation degree is high.
Drawings
FIG. 1 is a schematic diagram of a product structure;
FIG. 2 is a schematic perspective view of an embodiment of the present invention;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic view of the positioning mechanism;
FIG. 5 is a schematic view of the shaping mechanism and the driving mechanism;
FIG. 6 is a schematic structural view of a molding mechanism;
FIG. 7 is a schematic view of the structure of the lower mold.
In fig. 1 to 7, the correspondence between the part names or lines and the reference numbers is:
the device comprises a taper pipe 1, a flange connecting pipe 2, a positioning mechanism 3, a forming mechanism 4, a lower forming die 41, an upper forming die 42, a die core 43, an arc-shaped opening 44, a shaping mechanism 5, a core rod 51, an eight-claw die 52, an oil cylinder 53, a bottom plate 54, a driving block 55, a slide rail 56, a slide block 57, a limiting seat 58 and a pneumatic cylinder 59.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-7, a shaping device for a cone assembly at an air inlet end of an automobile exhaust system comprises a positioning mechanism 3, a shaping mechanism 5 and a forming mechanism 4 which are arranged on the same base; the positioning mechanism 3 is used for positioning the flange end of the cone assembly; the shaping mechanism 5 is used for outward expanding and shaping the conical pipe 1 of the fixed conical body assembly; and when the conical pipe 1 of the shaping mechanism 5 is outward expanded and shaped, the forming mechanism 4 extrudes and shapes the end part of the conical pipe 1 of the conical body component. After the positioning mechanism 3 fixes the product, the forming mechanism 4 wraps the product, the shaping mechanism 5 expands outwards to form extrusion, and the three are combined to finish the forming of the product once, so that the shaping purpose is achieved. The shaping mechanism 5 expands outwards, and meanwhile, the forming mechanism 4 extrudes to enable the thickness of the product to change, so that the shaping deformation is generated, the internal structure of the product after the shaping deformation is changed, the stress supports the product not to deform again, the production requirement is met, the shaping efficiency and the shaping effect are obviously improved, and the automation degree is high.
Preferably, the positioning mechanism 3 comprises a positioning seat and a pneumatic positioning clamping claw; one side of the positioning seat facing the forming mechanism 4 is an inclined plane, a positioning plate is attached to the inclined plane, one side of the positioning plate facing the forming mechanism 4 is provided with a positioning concave platform matched with the flange end face of the cone assembly, and stepped strip-shaped holes corresponding to the through holes at the flange end of the cone assembly are symmetrically formed in the positioning concave platform. The pneumatic positioning clamping claws comprise a left pneumatic clamping claw and a right pneumatic clamping claw which are symmetrically arranged at two sides of the positioning plate and are opposite to each other; the left pneumatic clamping claw and the right pneumatic clamping claw respectively comprise an air cylinder and a claw which is hinged with the air cylinder, the position, close to the connecting position of the claw and the air cylinder, of the claw is hinged with a limiting plate, and the air cylinder and the limiting plate drive the claw to open and close.
During positioning, the flange end of the cone assembly is fixed in a positioning concave table on the positioning plate, the through holes of the flange end are correspondingly fixed with the strip-shaped holes in the fixing plate, and the cylinder drives the gripper to press the flange end of the cone assembly. The limiting plate further limits the opening and closing angle of the hand grip.
Preferably, the forming mechanism 4 is arranged between the positioning mechanism 3 and the shaping mechanism 5; the forming mechanism 4 comprises an upper forming die 42 and a lower forming die 41 which are correspondingly arranged up and down, the upper forming die 42 and the lower forming die 41 both comprise a die holder and a die core 43, and the die holder is provided with an arc-shaped opening 44; one side of the die holder facing the shaping mechanism 5 is provided with a fixing groove, and the die core 43 is arranged in the fixing groove.
During molding, the small end of the conical pipe 1 of the conical body component is arranged in the arc-shaped opening 44, the large end of the conical pipe 1 is arranged in the mold core 43, and the mold core 43 is matched with the outer wall of the large end of the conical pipe 1; after the cone assembly is placed in the lower forming die 41, the upper forming die 42 is pressed down to wrap the outside of the cone assembly through the upper forming die 42 and the lower forming die 41. After the forming is finished, the upper forming die 42 is opened, and the oil cylinder 53 drives the core rod 51 and the eight-claw die 52 to retreat, so that the product is taken and placed.
The shaping mechanism 5 comprises a shaping die, wherein the shaping die is driven by a driving mechanism to horizontally reciprocate and push or pull the shaping die into or out of the conical pipe 1 of the cone assembly, so that the shaping die expands outwards from the conical pipe 1 of the cone assembly. The sizing die comprises a conical core rod 51 and an eight-claw die 52, wherein the core rod 51 is arranged in the eight-claw die 52, and the large end of the core rod 51 extends out of the large end of the eight-claw die 52; the small end of the core rod 51 is connected to a drive mechanism. The drive mechanism includes a cylinder 53 connected to the mandrel 51 and a drive assembly that drives the eight jaw die 52 into/out of the cone assembly cone 1. The driving assembly comprises a bottom plate 54, a driving block 55 for pushing in/pulling out the eight-claw die 52 is arranged on the bottom plate 54, and the driving block 55 is positioned between the small end of the eight-claw die 52 and the oil cylinder 53; the bottom of the bottom plate 54 is provided with a slide rail 56 and a slide block 57 which are used in a matching way, and the slide block 57 drives the bottom plate 54 and the driving block 55 to move so as to drive the eight-claw die 52. Two sides of the bottom plate 54, which are perpendicular to the slide rail 56, are provided with a limiting seat 58 and a pneumatic cylinder 59, the limiting seat 58 is arranged on one side close to the forming mechanism 4, and the pneumatic cylinder 59 is arranged on the other side.
During forming, the oil cylinder 53 drives the core rod 51 and the eight-claw die 52 to synchronously move towards the direction of the positioning mechanism 3, and after the large end of the eight-claw die 52 moves to be in contact with the conical pipe 1 of the cone assembly, the pneumatic cylinder 59 drives the bottom plate 54 to drive the bottom plate 54 and the driving block 55 connected with the bottom plate 54 to push the eight-claw die 52 under the driving of the slide block 57 and the slide rail 56, so that the eight-claw die 52 is pushed into the conical pipe 1 of the cone assembly. And pulling the cylinder backwards to drive the core rod 51 and the eight-claw die 52 to pull back, and punching the taper pipe 1 of the taper body assembly inwards and outwards.
After forming, the oil cylinder 53 drives the core rod 51 and the eight-claw die 52 to move in the reverse direction, and the pneumatic cylinder 59 drives the bottom plate 54 to move in the reverse direction, so that the eight-claw die 52 is separated from the conical pipe 1 of the cone assembly, the product is conveniently taken and placed, and the efficiency is higher and the automation is higher.
When the conical pipe forming machine is used, the conical body assembly is placed in the arc-shaped opening 44 of the lower forming die 41, the flange end of the connecting pipe faces the positioning mechanism 3, the large-caliber end of the conical pipe 1 faces the forming mechanism 4, the flange end of the flange connecting pipe 2 is placed in the concave table of the positioning plate, the through hole in the flange is correspondingly fixed with the stepped strip-shaped hole in the positioning plate, the gripper is driven by the air cylinder to press the flange end, and the flange end is positioned through the flange end face and the through hole. The upper forming die 42 is pressed down, and the upper forming die 42 and the lower forming die 41 wrap the outside of the product. And starting the oil cylinder 53 again to drive the core rod 51 and the eight-claw die 52 to move towards the product fixing position, wherein after the end surface of the eight-claw die 52 is contacted with the die core 43, the oil cylinder 53 stops working, the pneumatic cylinder 59 works, and the pneumatic cylinder 59 drives the bottom plate 54 to move on the slide rail 56, so that the driving block 55 is driven to push the eight-claw die 52, and the claw die is pushed into the large-aperture end of the conical pipe 1 of the cone assembly. The oil cylinder 53 is again pneumatically operated and works reversely, and the core rod 51 and the eight-claw die 52 are pulled outwards; because the outside outsourcing of the taper pipe 1 of cone subassembly, because the product outside is wrapped, extrude the product inboard in the eight claw motion processes, extrude on thickness, the thickness of product changes, becomes plastic deformation from original elastic deformation. The internal structure of the product after plastic deformation is changed, the stress support product cannot deform again, the production requirement is met, the shaping efficiency and the shaping effect are obviously improved, and the automation degree is high. After the eight-claw die 52 is pulled out of the large-diameter end of the taper pipe 1 of the taper body assembly, the oil cylinder 53 stops working, the pneumatic cylinder 59 moves in the reverse direction, the bottom plate 54 and the driving block 55 are driven to move in the reverse direction, the eight-claw die 52 retreats, and the products can be taken and placed conveniently.
After the positioning mechanism fixes the product, the forming mechanism wraps the outer side of the product and restricts the large end opening of the product to be circular through the cavity of the forming mechanism, in order to prevent the product from rebounding after the forming mechanism releases force, the shaping mechanism expands outwards from the inner side of the product to form extrusion, and the three components are combined to complete the forming of the product once, so that the purpose of rounding is achieved. The shaping mechanism expands outwards, and meanwhile, the forming mechanism enables the thickness direction of the product to be extruded, so that plastic deformation occurs, the internal structure of the product after plastic deformation is changed, the internal stress of the material supports the product not to rebound again under the condition that the external force is removed, the roundness tolerance precision of the product meets the production requirement, the consistency of mass production of the product is ensured, the quality and the precision of the product are obviously improved, the reject ratio of the product is reduced, and the automation degree is high.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. Car exhaust system inlet end cone subassembly shaping device, its characterized in that: comprises a base
The shaping mechanism is arranged on the shaping mechanism;
the positioning mechanism comprises a positioning seat and a pneumatic positioning clamp, wherein one side of the positioning seat facing the forming mechanism is an inclined plane, a positioning plate is attached to the inclined plane, one side of the positioning plate facing the forming mechanism is provided with a positioning concave platform matched with the flange end face of the cone assembly, and stepped strip-shaped holes corresponding to the through holes at the flange end of the cone assembly are symmetrically formed in the positioning concave platform;
the shaping mechanism comprises a shaping die, the shaping die is driven by the driving mechanism to horizontally reciprocate and push or pull the shaping die into or out of the conical tube of the cone assembly, so that the shaping die expands outwards from the conical tube of the cone assembly and shapes the conical tube of the fixed cone assembly;
the forming mechanism is arranged between the positioning mechanism and the shaping mechanism and comprises an upper forming die and a lower forming die which are correspondingly arranged up and down.
2. The automotive exhaust system inlet end cone assembly shaping device of claim 1, wherein:
the shaping die comprises a conical core rod and an eight-claw die, the core rod is arranged in the eight-claw die, and the large end of the core rod extends out of the large end of the eight-claw die; the small end of the core rod is connected with a driving mechanism.
3. The automotive exhaust system inlet end cone assembly shaping device of claim 1, wherein:
the upper forming die and the lower forming die respectively comprise a die holder and a die core, and the die holder is provided with an arc-shaped opening; one side of the die holder facing the shaping mechanism is provided with a fixing groove, and the die core is arranged in the fixing groove.
4. The automotive exhaust system inlet end cone assembly shaping device of claim 1, wherein:
the pneumatic positioning clamping claw comprises a left clamping claw and a right clamping claw which are symmetrically arranged on two sides of the positioning plate and are opposite to each other;
the left clamping claw and the right clamping claw respectively comprise an air cylinder and a clamping claw which is rotationally connected with the air cylinder, the clamping claw is rotationally connected with the limiting plate close to the connecting position of the air cylinder, and the air cylinder and the limiting plate drive the clamping claw to open and close.
5. The automotive exhaust system inlet end cone assembly shaping device of claim 2, wherein:
the driving mechanism comprises an oil cylinder connected with the core rod and a driving assembly for driving the eight-claw die to enter/pull out the cone assembly.
6. The automotive exhaust system inlet end cone assembly shaping device of claim 5, wherein:
the driving assembly comprises a bottom plate, a driving block for pushing in/pulling out the eight-claw die is arranged on the bottom plate, and the driving block is positioned between the small end of the eight-claw die and the oil cylinder;
the bottom of the bottom plate is provided with a sliding rail and a sliding block which are matched for use, and the sliding block drives the bottom plate and the driving block to move so as to drive the eight-claw die.
7. The automotive exhaust system inlet end cone assembly shaping device of claim 6, wherein:
and the two sides of the bottom plate, which are perpendicular to the slide rail, are provided with a limiting seat and a pneumatic cylinder, the limiting seat is arranged on one side close to the forming mechanism, and the pneumatic cylinder is arranged on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122554950.7U CN216095713U (en) | 2021-10-22 | 2021-10-22 | Shaping device for air inlet end cone assembly of automobile exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122554950.7U CN216095713U (en) | 2021-10-22 | 2021-10-22 | Shaping device for air inlet end cone assembly of automobile exhaust system |
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| Publication Number | Publication Date |
|---|---|
| CN216095713U true CN216095713U (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122554950.7U Active CN216095713U (en) | 2021-10-22 | 2021-10-22 | Shaping device for air inlet end cone assembly of automobile exhaust system |
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| CN (1) | CN216095713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023341A (en) * | 2024-04-11 | 2024-05-14 | 卡维亚(南通)洁净材料有限公司 | Precise pipe orifice shaping equipment |
-
2021
- 2021-10-22 CN CN202122554950.7U patent/CN216095713U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118023341A (en) * | 2024-04-11 | 2024-05-14 | 卡维亚(南通)洁净材料有限公司 | Precise pipe orifice shaping equipment |
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