Die structure for wrapping processing of exhaust pipe fitting

By designing a multi-module driven mold structure, the problems of low processing efficiency and high cost of existing exhaust pipe components have been solved, and efficient and precise processing of pipe components of different sizes has been achieved.

CN223718124UActive Publication Date: 2025-12-26DONGGUAN HANLONG NEW ENERGY AUTOMOBILE TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423150051.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-26
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing exhaust pipe fitting processing molds use high-pressure water expansion, resulting in low production efficiency and high mold costs. Furthermore, specialized molds cannot be applied to fittings of various sizes.

Method used

Design a mold structure comprising multiple outer and inner modules. The outer modules are moved by hydraulic cylinders and the inner modules are rotated by motors. Combined with electric push rods and positioning plates, it enables the clamping and precise machining of exhaust pipes of different sizes.

Benefits of technology

It improves processing efficiency, reduces mold production costs, and is applicable to exhaust pipes of various sizes, ensuring processing accuracy and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223718124U_ABST
Patent Text Reader

Abstract

The utility model discloses an exhaust pipe packing processing die structure which comprises a bottom plate, a sliding groove is formed in one side of the interior of the bottom plate, a screw rod is rotationally connected to the interior of the sliding groove, a positioning plate is in threaded connection with the outer side of the screw rod, and fixing plates are symmetrically and fixedly connected to the top of the bottom plate. An outer pressing ring is fixedly connected to the interior of one fixing plate, an outer module is arranged in the outer pressing ring in a circular shape, a groove is formed in one side of the interior of the outer module, a motor is fixedly connected to one side of the other fixing plate, and the diameter of the inner module is expanded once after the inner module is driven by the motor and a rotating shaft to rotate by an angle every time. The needed shape and size can be machined by rotating the expansion pipe in a reciprocating mode according to program parameters, the die can be used for exhaust pipes of different sizes, machining efficiency is improved, die production cost is reduced, the end, penetrating through the outer pressing ring, of the exhaust pipe makes contact with the positioning plate, the position of the exhaust pipe can be rapidly determined, machining accuracy is improved, and product quality is guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to exhaust pipe fitting processing technical field, concretely relates to a mould structure of exhaust pipe fitting package processing. BACKGROUND

[0002] Exhaust pipe fitting is an important component in automobile exhaust system, its main function is to guide the exhaust gas after engine combustion to export the car, reduces environmental pollution, reduces noise simultaneously, and ensures the normal operation of engine, and the design and manufacture of exhaust pipe fitting need to consider the high temperature resistance, corrosion resistance, vibration resistance, light weight and meet the emission standard and so on many aspects. With the development of automobile technology, exhaust pipe fitting is also continuously optimized and upgraded to meet higher environmental protection and performance requirements, and the specific position of exhaust pipe fitting needs to be packaged in the existing processing process through a certain processing die.

[0003] Most of the prior art is to use high-pressure water to expand the pipe after the die is pressed on the pipe, which leads to low production efficiency, high die cost, and the die is a special die, which cannot be used for pipes of various sizes. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a mould structure for packaging and processing exhaust pipe fittings, to solve the problem of low production efficiency, high die cost and special die that cannot be used for pipes of various sizes caused by the fact that most of the prior art uses high-pressure water to expand the pipe after the die is pressed on the pipe.

[0005] To achieve the above object, the utility model provides the following technical scheme: a mould structure for packaging and processing exhaust pipe fittings, including the bottom plate, the bottom plate inside one side is provided with the sliding slot, the sliding slot inside is rotatably connected with the screw rod, the screw rod outside is connected with the positioning plate, the bottom plate top is fixedly connected with the fixed plate, one The fixed plate inside is fixedly connected with the outer pressure ring, the outer pressure ring inside is circularly provided with the outer module, the outer module inside one side is provided with the recess, the other The fixed plate one side is fixedly connected with the motor, the output end of the motor is fixedly connected with the rotating shaft, the rotating shaft outside is fixedly connected with the fixed cylinder, the fixed cylinder outside is circularly provided with the inner module, the inner module one side is fixedly connected with the protruding block.

[0006] Preferably, one end of the screw rod is fixedly connected with a rotating part.

[0007] Preferably, one side of the sliding slot is fixedly connected with a limiting rod, and the positioning plate and the limiting rod are slidably connected.

[0008] Preferably, one side of the positioning plate is fixedly connected with a scale.

[0009] Preferably, the outer module is provided with six, one side of the outer module is fixedly connected with a hydraulic cylinder, and the hydraulic cylinder is fixedly connected with the outer pressure ring.

[0010] Preferably, the other side of the outer module is provided with an exhaust pipe.

[0011] Preferably, the inner module is provided with six, and the outer side of the fixed cylinder is circularly and fixedly connected with an electric push rod, and the output end of the electric push rod is fixedly connected with the inner module.

[0012] Preferably, one side of the inner module is symmetrically provided with a placing groove, the placing groove is internally provided with an elastic ring, and one end of the rotating shaft is fixedly connected with a limiting plate.

[0013] Compared with the prior art, the utility model provides a mould structure of exhaust pipe piece bagging processing, has the following beneficial effects:

[0014] 1、 the utility model discloses a plurality of outer modules and inner modules are set up, and the outer module is moved by starting the hydraulic cylinder drive, realizes the inside size of a plurality of outer modules and is adjusted, is convenient for the clamping and fixing of different size exhaust pipes, and the inner module is installed at one end of the rotating shaft through the fixed cylinder and electric push rod, and the rotating shaft is driven to rotate through the motor, and then the angle rotation of the inner module is realized, and after the angle is determined, six inner modules are pushed through starting the electric push rod, and the exhaust pipe is extruded by the bulge in the inner module after expansion, and the inner module expands once after rotating once under the driving of the motor and the rotating shaft, and the required shape size can be processed by reciprocating rotation according to the program parameters, the mould meets the use of different size exhaust pipes, improves the processing efficiency, and reduces the mould production cost.

[0015] 2、 the utility model discloses a positioning plate and is used for limiting the position of the exhaust pipe, and the rotating piece is rotated according to the required processing position of the exhaust pipe, and the screw rod is rotated, and the screw rod is threadedly connected with the positioning plate, and then the positioning plate slides in the sliding groove, and the position of the positioning plate is determined by observing the scale, and the exhaust pipe is contacted with the positioning plate from one end in the outer pressure ring, so that the position of the exhaust pipe can be quickly determined, and then the processing accuracy is improved, and the product quality is guaranteed.

[0016] The part not involved in the device is same as or can be realized by the prior art, the utility model discloses scientific and reasonable structure, uses safe and convenient, and provides great help for people. ACCURACY

[0017] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model, and in the drawings:

[0018] Figure 1 A side axonometric structure schematic view of the mold structure for exhaust pipe piece package processing is provided in the utility model;

[0019] Figure 2 Another side axonometric structure schematic view of the mold structure for exhaust pipe piece package processing is provided in the utility model;

[0020] Figure 3 A top view sectional structure schematic view of the mold structure for exhaust pipe piece package processing is provided in the utility model;

[0021] Figure 4 An inner module structure schematic view of the mold structure for exhaust pipe piece package processing is provided in the utility model;

[0022] Figure 5 An electric push rod structure schematic view of the mold structure for exhaust pipe piece package processing is provided in the utility model;

[0023] Figure 6 An outer module structure schematic view of the mold structure for exhaust pipe piece package processing is provided in the utility model;

[0024] In the figure: base plate 1, sliding groove 2, screw rod 3, rotating part 4, positioning plate 5, limiting rod 6, scale 7, fixed plate 8, outer pressure ring 9, outer module 10, recess 11, hydraulic cylinder 12, exhaust pipe 13, motor 14, rotating shaft 15, fixed cylinder 16, inner module 17, electric push rod 18, protruding block 19, placing groove 20, elastic ring 21, limiting plate 22. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6The utility model provides a kind of technical scheme: a die structure of exhaust pipe piece package processing, including bottom plate 1, one side of bottom plate 1 inside is provided with sliding slot 2, screw rod 3 is rotatably connected in sliding slot 2, screw rod 3 outside is connected with positioning plate 5 in screw thread, the top of bottom plate 1 is fixedly connected with fixed plate 8 symmetrically, the inside of one fixed plate 8 is fixedly connected with outer pressure ring 9, outer pressure ring 9 is provided with outer module 10 in circular inside, one side of outer module 10 inside is provided with recess 11, the one side of another fixed plate 8 is fixedly connected with motor 14, the output of motor 14 is fixedly connected with rotating shaft 15, rotating shaft 15 outside is fixedly connected with fixed cylinder 16, fixed cylinder 16 outside is provided with inner module 17 in circular, one side of inner module 17 is fixedly connected with lug 19, die satisfies the use of different sizes exhaust pipe 13, improve processing efficiency, and reduce mould production cost.

[0027] In the utility model, preferably, one end of screw rod 3 is fixedly connected with rotating part 4, one side of sliding slot 2 inside is fixedly connected with limit rod 6, positioning plate 5 and limit rod 6 are slidably connected, improve the stability of positioning plate 5 movement, one side of positioning plate 5 is fixedly connected with scale 7, it is convenient for operating personnel to observe, determine position, six are provided with outer module 10, one side of outer module 10 is fixedly connected with hydraulic pneumatic cylinder 12 symmetrically, hydraulic pneumatic cylinder 12 and outer pressure ring 9 are fixedly connected, the other side of outer module 10 is provided with exhaust pipe 13, six are provided with inner module 17, electric push rod 18 is fixedly connected on the outside of fixed cylinder 16 in circular, the output of electric push rod 18 and inner module 17 are fixedly connected, one side of inner module 17 inside is symmetrically provided with placing groove 20, elastic ring 21 is provided in placing groove 20, one end of rotating shaft 15 is fixedly connected with limit plate 22.

[0028] The working principle and use process of the utility model: when using, first, according to the required machining position of exhaust pipe 13, rotate rotating part 4 to make screw rod 3 rotate, screw rod 3 is connected with positioning plate 5 in screw thread, then realize the sliding of positioning plate 5 in sliding slot 2, determine the position of positioning plate 5 by observing scale 7, exhaust pipe 13 passes through outer pressure ring 9, one end contacts with positioning plate 5, can quickly determine the position of exhaust pipe 13, then start hydraulic cylinder 12 to drive outer module 10 to move, realize the adjustment of the internal dimension of multiple outer modules 10, clamp and fix different size exhaust pipe 13, inner module 17 is installed in one end of rotating shaft 15 through fixing cylinder 16 and electric push rod 18, rotate rotating shaft 15 by motor 14, then realize the angle rotation of inner module 17, after angle determination, start electric push rod 18 to push six inner modules 17, bulge 19 extrude exhaust pipe 13 after the expansion of inner module 17, inner module 17 expands once after rotating once angle under the drive of motor 14 and rotating shaft 15, according to program parameter reciprocating rotation expansion pipe can process the required shape size, the mould satisfies the use of different size exhaust pipe 13, improves the processing efficiency, and reduces the mould production cost, improves the processing accuracy, guarantees the product quality.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A die structure for the flanging of exhaust pipe elements, comprising a base plate (1), characterised in that: The inside one side of the bottom plate (1) is provided with a chute (2), the inside of the chute (2) is rotatably connected with a screw rod (3), the outer side of the screw rod (3) is threadedly connected with a positioning plate (5), the top of the bottom plate (1) is fixedly connected with a fixed plate (8), the inside of one of the fixed plate (8) is fixedly connected with an outer compression ring (9), the inside of the outer compression ring (9) is circularly provided with an outer module (10), the inside one side of the outer module (10) is provided with a recess (11), the side of the other fixed plate (8) is fixedly connected with a motor (14), the output end of the motor (14) is fixedly connected with a rotating shaft (15), the outer side of the rotating shaft (15) is fixedly connected with a fixed cylinder (16), the outer side of the fixed cylinder (16) is circularly provided with an inner module (17), the side of the inner module (17) is fixedly connected with a protruding block (19).

2. A die structure for exhaust pipe part packing process according to claim 1, characterized in that: The one end of the screw rod (3) is fixedly connected with a rotating piece (4).

3. A die structure for exhaust pipe part packing process according to claim 1, characterized in that: The inside one side of the chute (2) is fixedly connected with a limiting rod (6), and the positioning plate (5) and the limiting rod (6) are slidably connected.

4. A die structure for exhaust pipe part packing process according to claim 1, characterized in that: The side of the positioning plate (5) is fixedly connected with a scale (7).

5. A mold structure for exhaust pipe component unloading according to claim 1, characterized in that: The outer module (10) is provided with six, the side of the outer module (10) is fixedly connected with a hydraulic cylinder (12) in a symmetrical manner, and the hydraulic cylinder (12) and the outer compression ring (9) are fixedly connected.

6. A die structure for exhaust pipe part packing process according to claim 1, wherein: The other side of the outer module (10) is provided with an exhaust pipe (13).

7. A mold structure for exhaust pipe component unloading according to claim 1, characterized in that: The inner module (17) is provided with six, the outer side of the fixed cylinder (16) is circularly fixedly connected with an electric push rod (18), and the output end of the electric push rod (18) and the inner module (17) are fixedly connected.

8. A die structure for exhaust pipe part packing process according to claim 1, wherein: The inside one side of the inner module (17) is symmetrically provided with a placing groove (20), the inside of the placing groove (20) is provided with an elastic ring (21), and the one end of the rotating shaft (15) is fixedly connected with a limiting plate (22).