Bending device with snap fastener

The snap-button bending device realizes simplified processing of the snap-button male bite of the HVAC pipe, solves the cumbersome problem of bolt or rivet fixation in the prior art, and realizes one-time forming of the snap-button male bite and compactness of the device structure.

CN223312787UActive Publication Date: 2025-09-09HEBEI RUFENG TECH CO LTD
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Patent Information

Application Number
CN202422712667.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-09-09
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

Existing HVAC pipe connections require the use of bolts or rivets for fixing, which is a cumbersome process and makes it difficult to simplify the processing of snap-on male bites.

Method used

A snap button bending device is used, which includes a base, a bending lower die, a snap button forming lower die, a bending upper die, a guide component and a power component. The snap button male bite is processed through one-time molding, simplifying the process.

Benefits of technology

No bolts or rivets are required for connection, the process is simple, the male bite of the snap button is formed in one step, and the device structure is compact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bending device with a snap fastener, and belongs to the technical field of heating and ventilation pipelines. The bending lower die is fixedly arranged at one end of the base; the plurality of snap fastener forming lower dies are uniformly arranged in a seam on one side of the bending lower die; the upper bending die is arranged at the other end of the base in a sliding mode, and the upper bending die is matched with the lower bending die and the lower snap-fastener forming die to complete snap-fastener forming; the guide assemblies are arranged on the two sides of the upper bending die and used for controlling the movement direction of the upper bending die; the power assemblies are fixedly arranged on the base, the acting ends of the power assemblies are fixedly connected with the bending upper die, the power assemblies are used for controlling the bending upper die to move forwards and backwards, and the bending die has the advantages that bolts or rivets are not needed for connection and fixation, the working procedure is simple, and one-time forming is achieved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of HVAC pipes, and more particularly relates to a bending device with snap buttons. Background Art

[0002] HVAC ducts are widely used in building heating projects, primarily for conveying heat or liquids. Joints, as the connection between pipes, are a crucial component of HVAC ducts and are typically composed of a female joint and a male joint.

[0003] The existing common male bite needs to be connected and fixed with the female bite using bolts or rivets. In the process of manufacturing the air duct, it is also necessary to flanging the female bite to fix the male bite.

[0004] The male snap fastener doesn't require bolts, rivets, or flanged edges to secure the female snap fastener. The snap fastener itself secures the female snap fastener. However, the processing of the male snap fastener is typically a two-step process: the first is the 90° flanged edge, and the second is the snap fastener molding process, which is redundant.

[0005] The new snap button bending mechanism can simplify the processing steps of the snap button male bite and achieve one-step forming. Utility Model Content

[0006] In view of this, the utility model provides a bending device with snap buttons, which has the advantages of no need for bolts or rivets for connection and fixation, simple process, and one-time molding.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A bending device with snaps, comprising: a base; a bending lower die, the bending lower die being fixedly arranged at one end of the base; a snap forming lower die, a plurality of the snap forming lower dies being evenly arranged in a bite on one side of the bending lower die; a bending upper die, the bending upper die being slidably arranged at the other end of the base, the bending upper die cooperating with the bending lower die and the snap forming lower die to complete snap forming; a guide assembly, the guide assembly being arranged on the base at both sides of the bending upper die, the guide assembly being used to control the movement direction of the bending upper die; a power assembly, a plurality of the power assemblies being fixedly arranged on the base, the active end of the power assembly being fixedly connected to the bending upper die, the power assembly being used to control the forward and backward movement of the bending upper die.

[0009] Furthermore, the guide assembly includes a track component and a clamping component, the track component is used to limit the horizontal movement direction of the bending upper mold, and the clamping component is used to move the bending upper mold close to the base.

[0010] Furthermore, the track component includes lateral guide rails, and the two lateral guide rails are relatively located on both sides of the bending upper mold and are fixedly connected to the base.

[0011] Furthermore, a clamping bearing is provided on the top of the lateral guide rail, and the clamping bearing is pressed tightly against the upper surface of the bending upper die.

[0012] Furthermore, the power assembly includes a cylinder holder, a cylinder connecting plate, a cylinder and an adjustment assembly; one end of the cylinder holder is fixedly connected to the base, and the other end is fixedly connected to the cylinder connecting plate, the cylinder is fixedly provided on the cylinder connecting plate, and the active end of the cylinder is connected to the bending upper mold through the adjustment assembly, and the adjustment assembly is used to adjust the relative position of the bending upper mold and the bending lower mold.

[0013] Furthermore, the adjustment assembly adopts an adjustment bolt.

[0014] Furthermore, the two forming surfaces of the bending upper die are arranged at a convex 90° angle, and the two forming surfaces of the bending lower die are arranged at a concave 90° angle with the corresponding bending upper die.

[0015] Furthermore, the snap button molding lower die is arranged on a molding surface of the bending lower die through interference fit, and the bending upper die is provided with a notch corresponding to the snap button molding lower die.

[0016] Beneficial effects of the utility model:

[0017] No bolts or rivets are required for connection and fixation, the process is simple, the molding is done in one step, and the device structure is simple and compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a partial cross-sectional view of the present utility model.

[0021] Among them, in the figure:

[0022] 1-base; 2-bending lower die; 3-snap button forming lower die; 4-bending upper die; 5-lateral guide rail; 6-holding bearing; 7-cylinder retainer; 8-cylinder connecting plate; 9-cylinder; 10-adjusting bolt. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Please see the attached Figure 1-2 The utility model provides a snap button bending device, comprising:

[0025] A snap button bending device, comprising:

[0026] Base 1;

[0027] A bending lower die 2 is fixedly arranged at one end of the base 1;

[0028] A snap button forming lower die 3, wherein a plurality of snap button forming lower dies 3 are evenly arranged in a bite on one side of the bending lower die 2;

[0029] The bending upper die 4 is slidably arranged at the other end of the base 1, and the bending upper die 4 cooperates with the bending lower die 2 and the snap forming lower die 3 to complete the snap forming;

[0030] The guide assembly is arranged on the base 1 and located on both sides of the bending upper die 4. The guide assembly is used to control the movement direction of the bending upper die 4;

[0031] Power components, multiple power components are fixedly arranged on the base 1, the action end of the power component is fixedly connected to the bending upper mold 4, and the power component is used to control the forward and backward movement of the bending upper mold 4.

[0032] The guide assembly includes a track component and a pressing component. The track component is used to limit the horizontal movement direction of the bending upper mold 4, and the pressing component is used to move the bending upper mold 4 close to the base.

[0033] The track component includes lateral guide rails 5. The two lateral guide rails 5 are located opposite to each other on both sides of the bending upper mold 4 and are fixedly connected to the base.

[0034] A pressing bearing 6 is provided on the top of the lateral guide rail, and the pressing bearing 6 is pressed tightly against the upper surface of the bending upper die 4.

[0035] The power assembly includes a cylinder holder 7, a cylinder connecting plate 8, a cylinder 9 and an adjustment assembly; one end of the cylinder holder 7 is fixedly connected to the base 1, and the other end is fixedly connected to the cylinder connecting plate 8. The cylinder 9 is fixedly arranged on the cylinder connecting plate 8. The active end of the cylinder 9 is connected to the bending upper mold 4 through the adjustment assembly. The adjustment assembly is used to adjust the relative position of the bending upper mold 4 and the bending lower mold 2.

[0036] The adjusting assembly adopts the adjusting bolt 10.

[0037] The two forming surfaces of the bending upper die 4 are arranged at a convex 90° angle, and the two forming surfaces of the bending lower die 2 are arranged at a concave 90° angle with the bending upper die 4 .

[0038] The snap button forming lower die 3 is arranged on a forming surface of the bending lower die 2 through interference fit, and the bending upper die 4 is provided with a notch corresponding to the snap button forming lower die 3 .

[0039] The snap button forming lower die 3 is a cylinder with a diameter of 6.35 mm.

[0040] The processing process is:

[0041] The sheet material to be processed is placed between the bending lower die 2 and the bending upper die 4. The piston rod of the oil cylinder 9 extends, pushing the bending upper die 4 to the left. The lateral guide rail 5 and the clamping bearing 6 provide guidance for the movement of the bending upper die 4. The bending lower die 2 and the bending upper die 4 bend the sheet material 90 degrees. At the same time, the cutting edge of the bending upper die 4 contacts and intersects with the snap-button forming lower die 3. Since the snap-button forming lower die 3 is a cylinder with a diameter of 6.35 mm, snaps are formed.

[0042] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to the above embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to encompass the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A snap button bending device, characterized in that: include: Base (1); A bending lower die (2), wherein the bending lower die (2) is fixedly arranged at one end of the base (1); A snap button forming lower die (3), wherein a plurality of snap button forming lower dies (3) are evenly arranged in a bite on one side of the bending lower die (2); A bending upper die (4), wherein the bending upper die (4) is slidably arranged at the other end of the base (1), and the bending upper die (4) cooperates with the bending lower die (2) and the snap button forming lower die (3) to complete snap button forming; A guide assembly, the guide assembly being arranged on the base (1) and located on both sides of the bending upper die (4), and the guide assembly being used to control the movement direction of the bending upper die (4); A power assembly, wherein a plurality of the power assemblies are fixedly arranged on the base (1), an action end of the power assembly is fixedly connected to the bending upper die (4), and the power assembly is used to control the forward and backward movement of the bending upper die (4).

2. A snap buckle bending device according to claim 1, characterized in that: The guide assembly comprises a track component and a pressing component, wherein the track component is used to limit the horizontal movement direction of the bending upper die (4), and the pressing component is used to move the bending upper die (4) close to the base (1).

3. The snap button bending device according to claim 2, characterized in that: The track component comprises lateral guide rails (5), and the two lateral guide rails (5) are relatively located on both sides of the bending upper die (4) and are fixedly connected to the base (1).

4. The snap button bending device according to claim 3, characterized in that: A pressing bearing (6) is provided on the top of the lateral guide rail (5), and the pressing bearing (6) is pressed tightly against the upper surface of the bending upper die (4).

5. The snap button bending device according to claim 1, characterized in that: The power assembly comprises a cylinder holder (7), a cylinder connecting plate (8), a cylinder (9) and an adjustment assembly; one end of the cylinder holder (7) is fixedly connected to the base (1), and the other end is fixedly connected to the cylinder connecting plate (8); the cylinder (9) is fixedly arranged on the cylinder connecting plate (8); the active end of the cylinder (9) is connected to the bending upper die (4) through the adjustment assembly; the adjustment assembly is used to adjust the relative position of the bending upper die (4) and the bending lower die (2).

6. The snap button bending device according to claim 5, characterized in that: The adjustment assembly adopts an adjustment bolt (10).

7. The snap button bending device according to claim 1, characterized in that: The two forming surfaces of the bending upper die (4) are arranged at a convex 90° angle, and the two forming surfaces of the bending lower die are arranged at a concave 90° angle corresponding to the bending upper die (4).

8. The snap button bending device according to claim 7, characterized in that: The snap button forming lower die (3) is arranged on a forming surface of the bending lower die (2) through interference fit, and the bending upper die (4) is provided with a notch corresponding to the snap button forming lower die (3).