CN222607780U - Condenser tube multifunctional molding die - Google Patents

Abstract

The utility model discloses a multifunctional forming cutting die for a condenser pipe, which comprises a forming core, a necking die holder and a necking die body, wherein a mounting hole is formed in the necking die holder, the necking die body is positioned in the mounting hole and is fixed with the necking die holder, a forming hole is formed in the necking die body, the forming core is positioned in the forming hole and is fixed with the necking die holder, a forming guide structure is arranged between an orifice of the forming hole and the end part of the forming core, a sliding hole communicated with the forming hole is formed in the necking die body, a dotting pin is arranged in the sliding hole, and a pressing sleeve for driving the dotting pin to move and punching on the condenser pipe and a reset mechanism for resetting the dotting pin are arranged on the necking die body. According to the utility model, the pipe diameter of the copper pipe can be reduced through the cooperation of the necking die body and the forming core, and meanwhile, the positioning point can be punched on the contracted copper pipe through extruding the dotting pin through the pressing sleeve, so that one-time positioning is realized, meanwhile, the procedures of shrinking and dotting are finished, the dotting can be finished without additional power, the cost is greatly saved, the time is saved, and the working efficiency is improved.

Description

Multifunctional forming cutting die for condenser tube

Technical Field

The utility model relates to a processing device of a condenser pipe, in particular to a multifunctional forming cutting die of the condenser pipe.

Background

The condensing tube is a common heat exchange pipe fitting in an air conditioner, and various condensing tubes are available, and the structure of the condensing tube is that the end part of the condensing tube is composed of three sections with different diameters from small to large, and positioning points are arranged on the sections. The condensing tube is generally formed by processing a copper tube, the diameter of the copper tube is required to be sequentially reduced into a plurality of sections from large to small by different tube dies of a tube shrinking machine, and then positioning points are punched on the tube sections by a dotting machine.

Therefore, the processing of the structure of the condensing tube needs to be completed by adopting two devices, so that the transfer and positioning are troublesome, the production efficiency is low, and the production cost is high.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model provides a multifunctional forming cutting die for a condenser pipe.

The technical scheme adopted for solving the technical problems is as follows:

The multifunctional forming cutting die for the condenser pipe is characterized by comprising a forming core, a necking die holder and a necking die body, wherein a mounting hole is formed in the necking die holder, the necking die body is positioned in the mounting hole and is fixed with the necking die holder, a forming hole is formed in the necking die body, the forming core is positioned in the forming hole and is fixed with the necking die holder, a forming guide structure is arranged between an orifice of the forming hole and the end part of the forming core, a sliding hole communicated with the forming hole is formed in the necking die body, a dotting pin is arranged in the sliding hole, and a pressing sleeve for driving the dotting pin to move and punching on the condenser pipe and a reset mechanism for resetting the dotting pin are arranged on the necking die body.

The bottom of the mounting hole is provided with a core bar connecting screw hole, and the end part of the molding core is provided with a connecting stud connected with the core bar connecting screw hole.

The shaping guide structure comprises a conical body arranged at the end part of the shaping core and a conical hole arranged at the orifice of the shaping hole, the large opening of the conical hole faces outwards, and one end with larger diameter of the conical body faces outwards.

The inner hole of the pressing sleeve is a taper hole, and the end part of the necking die body is a cone which is in sliding fit with the taper hole.

The reset mechanism comprises a reset spring, a limiting boss arranged in the sliding hole and a limiting convex cap arranged at the tail end of the dotting pin, wherein the reset spring is arranged on the dotting pin, one end of the reset spring is propped against the limiting boss, the other end of the reset spring is propped against the limiting convex cap, and the sliding hole is arranged on the cone.

The top surface of the limiting convex cap is an inclined cambered surface with the same inclination angle as the hole wall of the inner hole.

The utility model has the beneficial effects that the pipe diameter of the copper pipe can be reduced by the cooperation of the necking die body and the forming core, and meanwhile, the positioning point can be punched on the contracted copper pipe by extruding the dotting pin through the pressing sleeve, so that one-time positioning is realized, the procedures of shrinking and dotting are finished, the dotting can be finished without additional power, the cost is greatly saved, the time is saved, and the working efficiency is improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is an overall structural view of the present utility model;

fig. 2 is a cross-sectional structural view of the present utility model.

Detailed Description

Advantages and features of the present disclosure, as well as methods of practicing the same, will be elucidated by the following embodiments described with reference to the accompanying drawings. This disclosure may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the disclosure is limited only by the scope of the claims.

The shapes, sizes, proportions, angles, and numbers disclosed in the drawings for describing embodiments of the present disclosure are merely examples, and thus the present disclosure is not limited to the details shown. Like reference numerals refer to like elements throughout the specification. In the following description, when a detailed description of related known functions or configurations is determined to unnecessarily obscure the gist of the present disclosure, the detailed description will be omitted. Where the terms "comprising," "having," and "including" are used in this specification, other components may be added unless the term "only" is used. Unless indicated to the contrary, singular terms may include the plural.

In interpreting the elements, although not explicitly described, the elements are understood to include the scope of error.

When the positional relationship is described, for example, when the positional relationship is described as "on", "above", "below" and "adjacent to" the above, one or more portions may be arranged between two other portions unless "immediately" or "directly" is used.

When describing a temporal relationship, for example, when the temporal sequence is described as "after" and "subsequent to", "next to" and "before" unless "just" or "direct" is used, a discontinuous condition may be included.

It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of the present disclosure.

As those skilled in the art will fully appreciate, the features of the different embodiments of the present disclosure may be partially or fully coupled or combined with each other and may cooperate and be technically driven in various ways. Embodiments of the present disclosure may be performed independently of each other or may be performed together in an interdependent relationship.

Referring to fig. 1 and 2, the utility model discloses a multifunctional forming cutting die for a condenser pipe, which comprises a forming core 1, a necking die holder 2 and a necking die body 3, wherein a mounting hole is arranged in the necking die holder 2, the necking die body 3 is positioned in the mounting hole and is fixed with the necking die holder 2, the fixing is preferably in threaded connection, the mounting hole is internally threaded, and the outer wall of the necking die body is also threaded.

The utility model discloses a copper pipe reducing die, including the necking die body, the necking die body is characterized in that be equipped with shaping hole 4 in the necking die body 3, the aperture size of shaping hole 4 is the pipe diameter that the copper pipe will contract's size, shaping core 1 is located shaping hole 4 and is fixed with necking die base 2, supports including through shaping core 1, and the copper pipe can appear sunken scheduling problem when preventing to can guarantee that the internal diameter size of copper pipe is even, the hole bottom of mounting hole is equipped with the core bar and connects the screw, the tip of shaping core 1 is equipped with the connecting stud 5 that is connected with the core bar and connects the screw, and above-mentioned structure is convenient not only processing, installs and removes also convenient moreover.

The forming guide structure comprises a conical body 6 arranged at the end part of the forming core 1 and a conical hole 7 arranged at the orifice of the forming core 4, a gap between the conical hole 7 and the conical body is slightly larger than the thickness of the copper pipe, the large opening of the conical hole 7 faces outwards, one end of the conical body with larger diameter faces outwards, the copper pipe is inserted from the large opening of the conical hole 7, and is gradually reduced to a preset aperture through extrusion guide of the conical hole 7, and of course, the conical body is also matched with the conical hole 7 to slowly support the pipe wall of the copper pipe and guide the inner hole of the copper pipe to reach the preset size.

As shown in the figure, the necking die body 3 is provided with a sliding hole communicated with the forming hole 4, a dotting pin 8 is arranged in the sliding hole, the necking die body 3 is provided with a pressing sleeve 9 for driving the dotting pin 8 to move and punching on a condensing tube and a reset mechanism for resetting the dotting pin 8, and the condensing tube is preferably a copper tube. The automatic reset device is characterized in that an inner hole of the pressing sleeve 9 is a taper hole, the end part of the necking die body 3 is a cone which is in sliding fit with the taper hole, the dotting pin 8 is gradually extruded and dotted through the diameter change of the taper hole, the reset mechanism comprises a reset spring 10, a limiting boss 11 arranged in the sliding hole, and a limiting convex cap 12 arranged at the tail end of the dotting pin 8, wherein the reset spring 10 is arranged on the dotting pin 8, one end of the reset spring is abutted against the limiting boss 11, the other end of the reset spring is abutted against the limiting convex cap 12, the sliding hole is arranged on the cone, the reset function of the reset spring 10 can be guaranteed through the structure, the top surface of the limiting convex cap 12 is an oblique cambered surface with the same inclination angle with the hole wall of the inner hole, and thus the top surface can be completely contacted with the hole wall surface of the inner hole, so that the pressure of point contact is reduced, the abrasion of a part is reduced, and the stress is uniform.

The copper pipe is fixed on a die, the whole tool bit is driven to move through a driving system, the driving system is a system formed by combining a conventional motor, a speed reducer, a screw rod assembly and a guide rail assembly, so that the whole tool bit moves towards the end part of the copper pipe, the end part of the copper pipe is inserted into a forming hole 4 after moving in place, then the driving system drives the tool bit to continue moving until the whole copper pipe with the preset length is contracted, when the tool bit moves to be close to the die, the end surface of a pressing sleeve 9 can be extruded with the die, so that the pressing sleeve 9 can move relative to a necking die body 3, and gradually extrudes a dotting pin 8 to move into the forming hole 4 in the moving process, so that the dotting pin 8 is dotting on the copper pipe, and after the tool bit is reset, the dotting pin 8 is reset under the action of a reset spring 10, and meanwhile, the sub-sleeve is extruded to reset, in order to avoid the complete detachment of the pressing sleeve 9, a limiting convex surface is arranged in an inner hole of the pressing sleeve 9, and can be clamped with a limiting convex cap 12 of the dotting pin 8, so that the pressing sleeve 9 is prevented from being completely detached.

The foregoing describes the principles and embodiments of the present utility model in detail using specific examples to help understand the method and core concept of the present utility model, and meanwhile, the present disclosure should not be construed as being limited to the specific embodiments and application scope of the present utility model, since the technical personnel in the art can change the scope of the present utility model according to the concept of the present utility model.

Claims (6)

1. The multifunctional forming cutting die for the condenser pipe is characterized by comprising a forming core, a necking die holder and a necking die body, wherein a mounting hole is formed in the necking die holder, the necking die body is positioned in the mounting hole and is fixed with the necking die holder, a forming hole is formed in the necking die body, the forming core is positioned in the forming hole and is fixed with the necking die holder, a forming guide structure is arranged between an orifice of the forming hole and the end part of the forming core, a sliding hole communicated with the forming hole is formed in the necking die body, a dotting pin is arranged in the sliding hole, and a pressing sleeve for driving the dotting pin to move and punching on the condenser pipe and a reset mechanism for resetting the dotting pin are arranged on the necking die body.

2. The multifunctional forming cutter die for the condenser tube of claim 1, wherein the bottom of the mounting hole is provided with a core bar connecting screw hole, and the end part of the forming core is provided with a connecting stud connected with the core bar connecting screw hole.

3. The multifunctional forming die for the condenser tube of claim 1, wherein the forming guide structure comprises a conical body arranged at the end part of the forming core and a conical hole arranged at the orifice of the forming hole, the large opening of the conical hole faces outwards, and the larger end of the conical body faces outwards.

4. The multifunctional forming cutter die for the condenser tube of claim 1, wherein the inner hole of the pressing sleeve is a taper hole, and the end part of the necking die body is a cone in sliding fit with the taper hole.

5. The multifunctional forming die for the condenser tube of claim 4, wherein the reset mechanism comprises a reset spring, a limiting boss arranged in a sliding hole and a limiting convex cap arranged at the tail end of the dotting pin, wherein one end of the reset spring is propped against the limiting boss, the other end of the reset spring is propped against the limiting convex cap, and the sliding hole is arranged on the cone.

6. The multifunctional forming cutter die for the condenser tube of claim 5, wherein the top surface of the limiting convex cap is an oblique cambered surface with the same inclination angle as the wall of the inner hole.