Eight-way connecting pipe follow-up forming device

Abstract

The utility model discloses an eight-way connecting pipe follow-up forming device which comprises a bottom plate, a lower die base is installed on the bottom plate, an inner cavity is formed in the center of the lower die base in a penetrating mode and communicated with the bottom plate, and a plurality of forming grooves are formed in the side wall of the inner cavity and distributed in the circumferential direction of the inner side of the inner cavity at equal intervals. An upper die base is arranged at the upper end of the lower die base, a guide channel is formed in the center of the upper die base, and a step is arranged in the guide channel and enables the lower-end caliber of the guide channel to be larger than the upper-end caliber of the guide channel; a guide cylinder is arranged on the bottom plate, the end, away from the bottom plate, of the guide cylinder penetrates out of the inner cavity, and the guide cylinder is located in the center of the inner cavity and clamped and matched with the upper end of the guide channel; and in the whole machining process of the structural product, the metal flow line is continuous, the structure is uniform, the production and manufacturing process is continuous, the machining allowance is small, the production efficiency is high, the manufacturing cost is low, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing technical field especially a eight -way connecting pipe is formed with shaping device. BACKGROUND

[0002] Eight -way connecting pipe is a kind of middle part is cylindrical, there are 6 inclined side nozzles special-shaped pipe structure in near middle part, is the key part in the pipe parts of boiler circulating system, bears high temperature and high pressure effect. According to its high temperature environment requirement of use, generally need to be forged and processed, can satisfy the use requirement. But due to the complex shape of the part, the difficulty of conventional forging forming is big, currently conventional manufacturing method is generally: the blank is forged as cylindrical blank or adopts circular tooling to press out two end parts steps, then is mechanically processed to the final required size.

[0003] The processing residual amount is big using the mode processing, causes the stress to be big in processing process, in turn makes the workpiece size precision difficult to guarantee, quality is unstable, whole processing streamline is not continuous, processing time is long, production efficiency is low, manufacturing cost is high. UTILITY MODEL CONTENTS

[0004] To solve the above technical problem, the utility model provides a eight -way connecting pipe is formed with shaping device.

[0005] The utility model is realized by the following technical schemes.

[0006] The eight -way connecting pipe is formed with shaping device provided by the application, including bottom plate, install lower die holder on bottom plate, still pass through the inner cavity of lower die holder center, the inner cavity is communicated with bottom plate, the inner cavity side wall is equipped with multiple profiling grooves, multiple profiling grooves are distributed along the inner side of inner cavity and are equidistantly distributed;Lower die holder upper end is equipped with upper die holder, and the guide channel is formed in the center of the upper die holder, and a step is arranged in the guide channel, so that the lower end of the guide channel has a larger diameter than the upper end of the guide channel;Bottom plate is equipped with guide cylinder, and the end of the guide cylinder away from the bottom plate is arranged outside the inner cavity, and the guide cylinder is located in the center of the inner cavity, and the guide cylinder is also matched with the upper end of the guide channel.

[0007] Preferably, the lower die holder upper end is equipped with a positioning hole, and the upper die holder is installed with a guide column, and the guide column is matched with the positioning hole.

[0008] Preferably, the inner cavity bottom is equipped with a positioning ring.

[0009] Preferably, the inner cavity diameter gradually increases from bottom to top, and the inner cavity lower end is matched with the cylindrical blank.

[0010] Preferably, the outer surface of the upper end of the upper die holder is provided with an outer edge.

[0011] Preferably, the outer edge is equipped with a positioning perforation, and the positioning perforation is oppositely arranged with the positioning hole.

[0012] Preferably, the length of the guide cylinder is greater than the length of the cylindrical blank.

[0013] Preferably, the upper end surface of the lower die seat is provided with a plurality of notches, and the plurality of notches are respectively through the plurality of shaping grooves.

[0014] The beneficial effects of the utility model lie in: the lower die seat and the upper die seat jointly form a die cavity, the cylindrical blank is forged and formed, and the cylindrical blank is accurately positioned and fixed in the center of the upper die seat and the lower die seat through the guide cylinder, so that the accurate deformation and manufacturing of the cylindrical blank are facilitated when the upper die seat is pressed down, the manufacturing precision of the structural product is higher, the metal flow line is continuous and the organization is uniform in the overall processing process of the structural product, the production and manufacturing process is continuous, the processing allowance is small, the production efficiency is high, the manufacturing cost is low, and the utility model has high practicability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the sectional view structure schematic diagram of the utility model;

[0016] Figure 2 is the structure schematic diagram of the lower die seat of the utility model;

[0017] Figure 3 is the structure schematic diagram of the eight-way connector of the utility model;

[0018] In the drawing: 1-bottom plate; 2-lower die seat; 3-shaping groove; 4-upper die seat; 5-guide channel; 6-step; 7-guide cylinder; 8-positioning hole; 9-guide column; 10-positioning ring; 11-cylindrical blank; 12-inner cavity; 13-outer edge; 14-positioning perforation. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] It should be noted that all the directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0021] In the embodiments, reference is made to Figure 1 and Figure 2The utility model relates to a lower die holder and upper die holder connecting device, including bottom plate 1, bottom plate 1 is installed with lower die holder 2, the lower die holder 2 center is equipped with inner chamber 12, and the inner chamber 12 is communicated with bottom plate 1, and the inner chamber 12 side wall is equipped with multiple shaping grooves 3, and multiple shaping grooves 3 are distributed along the inner chamber 12 inside periphery equal interval, and the upper end surface of lower die holder 2 is equipped with multiple notches, and multiple notches are penetrated with multiple shaping grooves 3 respectively, and it is convenient for subsequent workpiece to take out, and the bottom of inner chamber 12 is equipped with positioning ring 10, and positioning ring 10 is fixedly installed on bottom plate 1, and positioning and support to cylindrical blank 11 are carried out.

[0022] In the embodiment, referring to Figure 1 Bottom plate 1 is fixedly installed with guide cylinder 7, and the end of guide cylinder 7 away from bottom plate 1 is penetrated out of inner chamber 12, and guide cylinder 7 is located in the center of inner chamber 12.

[0023] In the embodiment, referring to Figure 1 The upper end of lower die holder 2 is equipped with upper die holder 4, and upper die holder 4 is equipped with guide channel 5 in the center, and guide channel 5 is equipped with step 6 inside, and step 6 makes the lower end of guide channel 5 larger in diameter than the upper end of guide channel 5, so as to facilitate the upper end of guide channel 5 to guide and position guide cylinder 7, and also has the function of limiting and fixing, and the lower end of guide channel 5 is adapted to be clamped with the upper end of cylindrical blank 11, so that step 6 limits cylindrical blank 11, which is helpful for cylindrical blank 11 to process corresponding structure.

[0024] Guide cylinder 7 is also adapted to be clamped with the upper end of guide channel 5, and the length of guide cylinder 7 is greater than the length of cylindrical blank 11, so as to facilitate the guidance when connecting lower die holder 2 and upper die holder 4.

[0025] In the embodiment, referring to Figure 1 The outer surface of the upper end of upper die holder 4 is integrally formed with outer edge 13, which is convenient for workers to take, and outer edge 13 is equipped with two positioning perforations 14, and the upper end of lower die holder 2 is equipped with two positioning holes 8, and the two positioning perforations 14 are oppositely arranged with the two positioning holes 8, and guide column 9 is penetrated in positioning perforation 14, and guide column 9 is adapted to be clamped with positioning hole 8, and guide column 9 is penetrated in positioning perforation 14 and clamped in positioning hole 8, so as to realize the positioning and fixing between upper die holder 4 and lower die holder 2, avoid the rotation of upper die holder 4, and further ensure the accuracy of upper die holder 4 and lower die holder 2 to process cylindrical blank 11, and increase the product qualification rate.

[0026] The working principle of the embodiment is as follows: the tubular blank 11 is placed into the lower die seat 2, so that the tubular blank 11 is sleeved on the guide cylinder 7, then the upper die seat 4 is installed onto the upper die seat 4, the guide channel 5 is sleeved on the guide cylinder 7, and the upper end of the tubular blank 11 is in surface contact with the stepped surface 6, so that the upper die seat 4 is located above the lower die seat 2, the guide column 9 passes through the positioning perforation 14 and is clamped into the positioning hole 8, so that the upper die seat 4 cannot rotate, then the upper die seat 4 is pressed downward by external force, so that the upper die seat 4 is extruded downward, until the lower end surface of the upper die seat 4 is in contact with the upper end surface of the lower die seat 2, the upper die seat 4 and the lower die seat 2 jointly form a die cavity inside, the tubular blank 11 is forged into a structure of a corresponding shape through the shape of the die cavity, the eight-way connecting pipe is forged, the whole process is convenient to operate, high in efficiency, high in size accuracy of the produced product, small in machining allowance, low in manufacturing cost and high in practicality.

[0027] The above is only the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the concept of the utility model, and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. An eight-way adapter swage, characterized by: The utility model relates to a bottom plate (1) is provided with lower die holder (2) on it, and the lower die holder (2) is provided with inner cavity (12) in the center, and the inner cavity (12) is communicated with the bottom plate (1), and a plurality of shaping grooves (3) are arranged on the side wall of the inner cavity (12), and the plurality of shaping grooves (3) are distributed along the inner side of the inner cavity (12) and are equidistant, and the upper end of the lower die holder (2) is provided with upper die holder (4), and the upper die holder (4) is provided with guide channel (5) in the center, and the guide channel (5) is provided with step (6) inside, and the step (6) makes the lower end of the guide channel (5) larger than the upper end of the guide channel (5), and the bottom plate (1) is provided with guide cylinder (7), and the end of the guide cylinder (7) away from the bottom plate (1) is provided with the inner cavity (12), and the guide cylinder (7) is located in the center of the inner cavity (12), and the guide cylinder (7) is connected with the upper end of the guide channel (5) and is matched.

2. An eight-way adapter forming device as claimed in claim 1, characterized in that: The upper end of the lower die holder (2) is provided with positioning hole (8), and the upper die holder (4) is provided with guide column (9), and the guide column (9) is connected with the positioning hole (8) and is matched.

3. An eight-way adapter forming device as in claim 1, wherein: The bottom of the inner cavity (12) is provided with positioning ring (10).

4. An eight-way adapter forming device as in claim 1, wherein: The caliber of the inner cavity (12) is gradually increased from bottom to top, and the lower end of the inner cavity (12) is connected with the cylinder blank (11) and is matched.

5. An eight-way adapter forming device as in claim 1, wherein: The outer surface of the upper end of the upper die holder (4) is provided with outer edge (13).

6. An eight-way adapter forming device as defined in claim 5, wherein: The outer edge (13) is provided with positioning perforation (14), and the positioning perforation (14) is oppositely arranged with the positioning hole (8).

7. An eight-way adapter forming device as in claim 1, wherein: The length of the guide cylinder (7) is greater than the length of the cylinder blank (11).

8. An eight-way adapter forming device as in claim 1, wherein: The upper end surface of the lower die holder (2) is provided with a plurality of notches, and the plurality of notches are respectively communicated with the plurality of shaping grooves (3).

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