CN220278043U

CN220278043U - Flaring punching forming device

Info

Publication number: CN220278043U
Application number: CN202321832175.XU
Authority: CN
Inventors: 安旭; 顾海驹; 孔令光; 汪洋; 李盾
Original assignee: Suzhou SLAC Precision Equipment Co Ltd
Current assignee: Suzhou SLAC Precision Equipment Co Ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-01-02
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses a flaring and punching forming device, which comprises a male die part, wherein the male die part comprises: the flaring mechanism, the mechanism of punching a hole and first elastic mechanism, punch a hole the mechanism with flaring mechanism movable fit, first elastic mechanism along select direction with punch a hole the mechanism with flaring mechanism is connected, punch a hole the mechanism can be under external pressure and first elastic mechanism provides elasticity's resultant force drive down select direction activity. Compared with the prior art that the flaring processing is carried out to the casing earlier, the casing is relocated and is punched, the flaring that uses this application to provide punches a hole forming device can improve machining efficiency, and can avoid the work piece casing to scratch the damage because of the secondary location.

Description

Flaring punching forming device

Technical Field

The utility model relates to a forming device, in particular to a flaring and punching forming device.

Background

The workpiece to be machined is usually a cylindrical hollow housing, which is open at one end and closed at the other end. When the workpiece is subjected to flaring and punching, the forming device needs to be placed in the opening, so that the diameter of the opening of the shell can be enlarged to the target diameter, and when the workpiece is subjected to punching, the punching operation needs to be performed on the bottom plane of the closed end of the shell.

However, when the two kinds of processing operations are performed, flaring and punching are performed generally, during punching, the shell is required to be positioned and clamped secondarily, the processing and clamping time is long, and the shell is easy to collide and scratch in the positioning or transferring process, so that the quality of the shell after being processed and molded is affected.

Disclosure of Invention

The utility model mainly aims to provide a flaring and punching forming device which is used for solving the technical problems.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model comprises the following steps:

the embodiment of the utility model provides a flaring and punching forming device, which comprises a male die part, wherein the male die part comprises: the flaring mechanism, the mechanism of punching a hole and first elastic mechanism, punch a hole the mechanism with flaring mechanism movable fit, first elastic mechanism along select direction with punch a hole the mechanism with flaring mechanism is connected, punch a hole the mechanism can be under external pressure and first elastic mechanism provides elasticity's resultant force drive down select direction activity.

Compared with the prior art that the flaring processing is carried out to the casing earlier, the casing is relocated and is punched, the flaring punching forming device that uses this application to provide can accomplish flaring and two processing that punch a hole when the base carries out single punching processing, improves machining efficiency, and can avoid the work piece casing to cut and scratch the damage because of the secondary location.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a flaring and punching forming device provided by the application;

fig. 2 is a schematic diagram of a flaring and punching forming device provided in the present application;

figures 3a-3c are schematic longitudinal cross-sectional views of flaring members provided in embodiments of the present application;

reference numerals illustrate:

1. a base; 2. a flaring mechanism; 21. a flaring member; 22. a fixing mechanism; 23. a discharge block; 231. the male die is provided with a via hole; 24. a first elastic mechanism; 25. a connecting member; 3. a punching mechanism; 31. a punching member; 32. punching a die; 321. punching a hole channel; 34. a second elastic mechanism; 35. an ejection member; 4. a housing; 41. a target opening; 42. and a through hole.

Detailed Description

In view of the shortcomings in the prior art, the inventor of the present utility model has long studied and practiced in a large number of ways to propose the technical scheme of the present utility model. The technical scheme, the implementation process, the principle and the like are further explained as follows.

In some more specific embodiments, the flaring mechanism includes a flaring member having a first flaring portion and a second flaring portion disposed sequentially along a first direction, the radial dimension of the first flaring portion being greater than the radial dimension of the second flaring portion, the first flaring portion being capable of contacting an opening of a housing to cause expansion thereof to form a target opening, the radial dimension of the target opening being greater than the opening dimension of the housing.

In some more specific embodiments, the first flared portion is smoothly connected with the second flared portion, or the flared member further has a transition portion through which the first flared portion is smoothly connected with the second flared portion.

In some more specific embodiments, the flaring punch forming apparatus further comprises a base, the flaring mechanism further comprises a fixing mechanism, the fixing mechanism is arranged on the base, and the fixing mechanism can lock the flaring member at a specified position of the base.

In some more specific embodiments, the punching mechanism comprises a punching member, wherein a punching end surface of the punching member is arranged corresponding to a punching channel of a punching die;

the punching member can move along a first direction and a second direction, and in the process of moving the punching member along the first direction, the flaring mechanism can be contacted with an opening of a shell to dilate the opening to form a target opening, and the punching member can be contacted with the inner wall of the shell to punch the inner wall of the shell into the punching channel, so that a through hole is formed in the inner wall of the shell.

In some more specific embodiments, the punch mechanism further comprises a stripper block in which the punch member is movably disposed, the stripper block having an abutment surface, at least a portion of which is capable of contacting the bottom wall of the housing to abut the housing against the punch die when the punch member is moved in the first direction.

In some more specific embodiments, the base has a first chamber and a second chamber in communication with each other, the first chamber and the second chamber being disposed in sequence, and at least a portion of the first resilient mechanism being constrained in the first chamber.

In some more specific embodiments, the flaring mechanism further comprises a connecting member, at least part of which is movably disposed in the second chamber and which is connected with the first elastic mechanism and the unloading block, the first elastic mechanism being constrained to move in the first chamber

In some more specific embodiments, the punch mechanism further comprises a second elastic mechanism and an ejector member, the ejector member is movably disposed on the punch member, the second elastic mechanism is connected with the ejector member, and the second elastic mechanism is capable of driving the ejector member to move in the first direction.

In some more specific embodiments, the discharge block has a punch relief via, and the discharge block is sleeved on the ejector member through the punch relief via.

The technical solution, implementation process and principle thereof will be further explained with reference to the drawings and specific embodiments, and unless otherwise indicated, springs, torsion springs and the like used in the embodiments of the present utility model are all components known to those skilled in the art, and are all commercially available, and specific structures and models thereof are not limited herein.

Examples

Referring to fig. 1, a flaring and punching forming device provided in this embodiment of the present application includes a base 1, a flaring mechanism 2 and a punching mechanism 3, the punching mechanism 3 includes a punching member 31, and the flaring mechanism 2 and the punching member 31 are both disposed on the base 1, the base 1 can be driven by a driving mechanism to move along a first direction or a second direction, and it can be understood that referring to fig. 1, a schematic diagram illustrating movement of the base 1 along the first direction is shown, the first direction can be understood as a punching direction of the flaring and punching forming device, and the second direction is opposite to the first direction. The shell 4 to be processed is placed on a punching die 32, and the position of the shell 4 to be punched is placed corresponding to the punching channel 321 of the punching die 32, when the base 1 moves along the first direction, the punching member 31 and the flaring mechanism 2 sequentially extend into the shell 4, with the continued movement of the base 1, at least part of the flaring mechanism 2 contacts with the opening of the shell 4, and when the base 1 continues to move along the first direction, with the flaring mechanism 2 contacting with the opening of the shell 4, the opening is expanded, so that the diameter of the opening is increased, and the required target opening 41 with the target diameter is formed.

With reference to fig. 2, taking the punching of the bottom of the housing 4 as an example in this embodiment, fig. 2 is a schematic diagram of the flaring punch forming apparatus when punching, and with the continued travel of the base 1, the punching member 31 contacts the bottom wall of the housing 4 and applies pressure to the punching channel 321, so that a through hole 42 is punched in the bottom of the housing 4. After the punching and flaring process is finished, the base 1 is moved along a second direction which is opposite to the first direction, namely, the base 1 moves towards the opposite direction of punching and withdraws from the shell 4.

Compared with the prior art that the flaring processing is firstly carried out on the shell 4 and then the shell 4 is repositioned to punch, the flaring punching forming device can finish flaring and two processing of punching when the base 1 is subjected to single punching processing, so that the processing efficiency is improved, and scratch damage easily caused by secondary positioning of the workpiece shell 4 is avoided.

In a specific embodiment, the flaring mechanism 2 includes a flaring member 21, the flaring member 21 is disposed on the base 1, and the flaring component has a first flaring portion and a second flaring portion disposed sequentially along a first direction, and the radial dimension of the first flaring portion is greater than the radial dimension of the second flaring portion. The outer diameter of the second flaring portion may be equal to the inner diameter of the opening of the housing 4, the outer diameter of the first flaring portion is greater than the inner diameter of the opening of the housing 4, when the second flaring portion and the first flaring portion enter the housing 4 in sequence, the second flaring portion is in clearance fit with the housing 4 and can guide the first flaring portion to enter the housing 4, and then the first flaring portion applies force to the inner wall of the housing 4 from inside to outside along with continuing to move along the first direction, so that the housing 4 is deformed and then expanded to form the target opening 41, and of course, the outer diameter of the second flaring portion may also be smaller than the inner diameter of the opening of the housing 4, so that the flaring member 21 enters the housing 4, and after the punching and flaring operations are completed, the flaring member 21 also exits the target opening 41 along the second direction.

Specifically, the first flaring portion may be smoothly connected with the second flaring portion, as shown in fig. 3a and 3b, and the first flaring portion may be smoothly connected with the second flaring portion through a plane or a curved surface. The flaring member 21 may further have a transition portion, the first flaring portion is smoothly connected with the second flaring portion through the transition portion, as shown in fig. 3c, and the first flaring portion are smoothly transited through the transition portion to form the flaring member 21. The flaring member 21 may be provided with corresponding flaring portions and depending on the actual use requirements.

Further, the flaring member 21 may be detachably connected with the base 1. The flaring mechanism 2 can also be locked at a designated location of the base 1 by providing a securing mechanism 22. This designated position is understood to mean that when the housing 4 to be machined has different opening positions, the position of the flaring member 21 on the base 1 should be adjusted accordingly, so that the flaring member 21 can be replaced or repositioned according to the actual machining requirements.

In particular, the fixing mechanism 22 may be a bolt and/or a nut, which may fix the flaring mechanism 2 to the base 1. As shown in fig. 1 and 2, the flaring member 21 may be sleeved on the base 1, and a bolt may be screwed with the outer wall of the base 1 to lock the flaring member 21 at a designated position of the base 1.

In a specific embodiment, the punching mechanism 3 includes a discharging block 23, the flaring member 21 and the discharging block 23 are sequentially disposed on the base 1 along the first direction, the discharging block 23 has an abutment surface, and when the base 1 moves along the first direction, at least part of the abutment surface can contact with the bottom wall of the housing 4 to abut the housing 4 on the punching die 32. The abutment surface is at least used for crimping the bottom wall of the housing 4 against the punch die 32.

Specifically, the flaring mechanism 2 includes a first elastic mechanism 24, an ejector member 35, and a second elastic mechanism 34, where the first elastic mechanism 24 and the second elastic mechanism 34 may include a spring, a torsion spring, or an air cylinder, and preferably, the first elastic mechanism 24 and the second elastic mechanism 34 may be rectangular springs, the ejector member 35 is movably disposed on the punching member 31, the second elastic mechanism 34 is connected with the ejector member 35, and the second elastic mechanism 34 can drive the ejector member 35 to move along a first direction. The second elastic mechanism 34 is connected to the punching member 31, and the second elastic mechanism 34 can drive the ejector member 35 to move in the first direction. Referring to fig. 2, the discharging block 23 can be driven by the first elastic mechanism 24 to contact with the bottom wall and/or the side wall of a housing 4 in advance, so as to press the housing 4 against the punching die 32 to rapidly position the housing 4, so that the first elastic mechanism 24 is compressed to keep the discharging block 23 always contacting with the housing 4, the flaring member 21 contacts with the opening of the housing 4, the punching member 31 punches the bottom wall of the housing 4 to form the through hole 42, the ejection member 35 is driven by the second elastic mechanism 34 to continuously move, and impact the sheet material separated from the housing 4, so that the punched sheet material is separated from the housing 4, and the through hole 42 formed by the housing 4 is formed.

With the flaring and punching being completed, the base 1 moves along the second direction, at this time, the unloading block 23 can keep pressing the shell 4 under the action of the first elastic mechanism 24, the ejection member 35 can impact the sheet material separated from the shell 4 under the action of the second elastic mechanism 34, the flaring member 21 leaves the target opening 41 with the flaring completed in advance, then the gradual unloading block 23, the ejection member 35 and the punching member 31 leave the contact with the shell 4, and then the demolding work of the forming device and the shell 4 is completed, and in the demolding work of the forming device, all parts can orderly leave the shell 4, so that the problem that the shell 4 moves together with the device due to too fast running or too tight connection of the device is avoided, and the demolding operation is convenient to realize.

More specifically, the base 1 has a first chamber and a second chamber which are mutually communicated, the first elastic means 24 may be completely or partially constrained in the first chamber, the flaring means 2 may further comprise a connecting member 25, the connecting member 25 is used for connecting the unloading block 23 and the first elastic means 24, and the first elastic means may be a spring, a torsion spring, or a cylinder. And the connecting member 25 is disposed in the second chamber, and the connecting member 25 is configured to move in the second chamber, in the first direction, or in the second direction. The connecting member 25 is capable of transmitting the elastic force of the first elastic means 24 into the discharge block 23. More specifically, the base 1 may include one or more first and second chambers, in which one or more first elastic mechanisms 24 and connecting members 25 may be disposed. In this embodiment, taking a first chamber provided in the middle of the base 1 as an example, the first chamber is communicated with a plurality of second chambers, and the second chambers are uniformly spaced about the axis of the first chamber, each second chamber is provided with a connecting member 25, and each connecting member 25 is connected with the discharging block 23, so as to ensure that the elastic force of the first elastic mechanism 24 can be more uniformly transferred to the discharging block 23.

Specifically, a punch relief via 231 may be further disposed on the discharging block 23, and the discharging block 23 may be sleeved on the ejection member 35 through the punch relief via 231, where the punching head disposed on the base 1 may be at least partially protruded out of the punch relief via 231 during punching. It can be appreciated that the punch relief hole 231 may be disposed at the center of the discharging block 23, or may be disposed eccentrically, and the disposed position may be adjusted according to the actual punching position.

In a specific embodiment, the base 1 is further provided with a limiting structure, the unloading block 23 is movably connected with the base 1 through the limiting structure, and the limiting structure can restrict the unloading block 23 to move in a specified interval, that is, can move in the specified interval along the first direction and the second direction. The limiting mechanism comprises two mutually corresponding protruding blocks and a groove, the protruding blocks can be arranged on the unloading block 23, the groove is arranged on the base 1, the groove is provided with a limiting space, and the protruding blocks are limited to move in the limiting space of the groove, so that the unloading block 23 is restrained to move in a designated interval.

It should be understood that the above embodiments are merely for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement the same according to the present utility model without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. A flare punch forming apparatus comprising a punch portion, wherein the punch portion comprises: flaring mechanism (2), mechanism (3) and first elastic mechanism (24) punch a hole, mechanism (3) with flaring mechanism (2) clearance fit punch a hole, first elastic mechanism (24) along select direction with mechanism (3) punch a hole with flaring mechanism (2) are connected, mechanism (3) can be under external pressure and the resultant force of elasticity that first elastic mechanism (24) provided drives down along select direction activity.

2. The flare punch forming apparatus of claim 1 wherein: the flaring mechanism (2) comprises a flaring member (21), the flaring member (21) is provided with a first flaring portion and a second flaring portion which are sequentially arranged along a first direction, the radial size of the first flaring portion is larger than that of the second flaring portion, the first flaring portion can be contacted with an opening of a shell (4) to enable the opening to be expanded to form a target opening (41), and the radial size of the target opening (41) is larger than that of the opening of the shell (4).

3. A flare punch forming apparatus as claimed in claim 2, wherein: the first flaring portion is smoothly connected with the second flaring portion, or the flaring member (21) is also provided with a transition portion, and the first flaring portion is smoothly connected with the second flaring portion through the transition portion.

4. A flare punch forming apparatus as claimed in claim 2, wherein: the flaring mechanism (2) further comprises a fixing mechanism (22), the fixing mechanism (22) is arranged on the base (1), and the fixing mechanism (22) can lock the flaring member (21) at a designated position of the base (1).

5. The flare punch forming apparatus of claim 4, wherein: the punching mechanism (3) comprises a punching member (31), and a punching end surface of the punching member (31) is arranged corresponding to a punching channel (321) of a punching die (32);

wherein the punching member (31) can move along a first direction and a second direction, in the process of moving the punching member (31) along the first direction, the flaring mechanism (2) can be contacted with an opening of a shell (4) to expand the opening to form a target opening (41), the punching member (31) can be contacted with the inner wall of the shell (4), and the inner wall of the shell (4) is punched into the punching channel (321), so that a through hole (42) is formed in the inner wall of the shell (4).

6. The flare punch forming apparatus of claim 5, wherein: the punching mechanism (3) further comprises a discharging block (23), the punching member (31) is movably arranged in the discharging block (23), the discharging block (23) is provided with an abutting surface, and when the punching member (31) moves along the first direction, at least part of the abutting surface can be contacted with the bottom wall of the shell (4) to abut the shell (4) on the punching die (32).

7. The flare punch forming apparatus of claim 6, wherein: the base (1) has a first chamber and a second chamber which are mutually communicated, the first chamber and the second chamber are arranged in sequence, and at least part of the first elastic mechanism (24) is restrained in the first chamber.

8. The flare punch forming apparatus of claim 7, wherein: the flaring mechanism (2) further comprises a connecting member (25), at least part of the connecting member (25) is movably arranged in the second chamber, the connecting member (25) is connected with the first elastic mechanism (24) and the discharging block (23), and the first elastic mechanism (24) is restrained to move in the first chamber.

9. The flare punch forming apparatus of claim 6, wherein: the punching mechanism (3) further comprises a second elastic mechanism (34) and an ejection member (35), the ejection member (35) is movably arranged on the punching member (31), the second elastic mechanism (34) is connected with the ejection member (35), and the second elastic mechanism (34) can drive the ejection member (35) to move along the first direction.

10. The flare punch forming apparatus of claim 9, wherein: the discharging block (23) is provided with a convex die yielding via hole (231), and the discharging block (23) is sleeved on the ejection member (35) through the convex die yielding via hole.