CN218191768U - Sizing die for copper pipe processing - Google Patents
Sizing die for copper pipe processing Download PDFInfo
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- CN218191768U CN218191768U CN202222672850.9U CN202222672850U CN218191768U CN 218191768 U CN218191768 U CN 218191768U CN 202222672850 U CN202222672850 U CN 202222672850U CN 218191768 U CN218191768 U CN 218191768U
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Abstract
The utility model discloses a copper pipe processing is with sizing mould relates to copper pipe production technical field. The utility model discloses a die body and the support that is used for fixed die body, die body include feed inlet and discharge gate, and the one end that is close to the discharge gate in the die body is equipped with the sizing hole portion that is used for compressing copper pipe diameter, and the one end that is close to the feed inlet in the die body is equipped with the immersion oil chamber, and the immersion oil chamber has seted up the oil inlet in the week side that is close to sizing hole portion. The utility model discloses an one end that is close to the feed inlet in the die body is equipped with the oil immersion cavity, the oil inlet has been seted up in week side that is close to sizing hole portion in the oil immersion cavity, at the in-process that the copper pipe was transmitted by the feed inlet to the discharge gate direction at the die body, and lubricating oil flows in from the oil inlet, flow out from the feed inlet department again, the flow direction of lubricating oil is opposite with the transmission direction of copper pipe, thereby realize fully infiltrating to the copper pipe, avoid spraying the copper pipe lubrication inequality who leads to from the copper pipe top and retrieve insufficient problem with fluid, promote the production quality of copper pipe, improve the processing environment.
Description
Technical Field
The utility model belongs to the technical field of the copper pipe production, especially, relate to a sizing mould is used in copper pipe processing.
Background
The copper pipe has good heat conduction and heat transfer performance, and is frequently applied in the fields of air conditioners and refrigeration and heating equipment. In the manufacturing process of copper pipes, drawing forming is an important part of the processing procedure. Drawing forming is a plastic processing method which adopts external force to act on the front end of a drawn copper pipe when the copper pipe is drawn, and draws a copper pipe blank out of a die hole of a die so as to obtain a product with a corresponding shape and size. Since drawing is usually performed in a cold state, it is also called cold drawing or cold drawing.
In the process of drawing the copper pipe, an emulsion consisting of a soap base, borax, polyethylene glycol oleate and water or an emulsion consisting of mineral oil, fatty acid, dodecanol, polyoxyethylene oleate and water is usually used as a lubricant for reducing the friction between a copper pipe blank and a die in the drawing process, reducing abrasion, improving the drawing speed and the product quality, enabling the outer surface of the copper pipe to have a tough oil film, and effectively reducing the phenomena of die, scratch, sintering, welding, fracture and the like.
At present, before the copper pipe is drawn, an oil injection device is arranged above the copper pipe, and lubricating oil is sprayed onto the copper pipe from the upper part of the copper pipe so as to achieve the purpose of lubrication. However, this injection method has the following disadvantages:
on one hand, oil is sprayed from the upper part of the copper pipe, although the upper part of the copper pipe can be lubricated, the lower part of the copper pipe cannot be covered by oil, so that the lower part is difficult to be sufficiently lubricated, uneven lubrication is easily caused in the drawing process of the copper pipe, the surface of the copper pipe is formed to be concave-convex or scratched, and the like, and the quality of a finished product of the copper pipe is influenced;
on the other hand, the oil injection mode is adopted, so that the recovery of the lubricating oil is difficult, and the waste of the lubricating oil is serious; meanwhile, the lubricating oil is easy to splash into the surrounding environment, which causes environmental pollution.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a copper pipe is sizing mould for processing, one end through being close to the feed inlet in the die body is equipped with the oil immersion cavity, the oil inlet has been seted up in week side that is close to sizing hole portion in the oil immersion cavity, in-process at the copper pipe by the feed inlet to the discharge gate transmission through the die body, lubricating oil flows in from the oil inlet, flow out from feed inlet department again, the flow direction of lubricating oil is opposite with the transmission direction of copper pipe, realize the abundant infiltration to the copper pipe, solve and adopt among the prior art from the oil spout of copper pipe top, the copper pipe below can not be covered by fluid, lead to forming the unsmooth or circumstances such as mar in the surface behind the copper pipe shaping, influence the problem of copper pipe finished product quality.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a sizing die for processing a copper pipe, which comprises a die body and a bracket for fixing the die body, wherein the die body adopts a cylindrical structure; the die body comprises a feeding hole and a discharging hole, a sizing hole part used for compressing the diameter of the copper pipe is arranged at one end, close to the discharging hole, of the die body, and the sizing hole part is of a conical necking structure. The diameter of the feed inlet is not less than the outer diameter of the copper pipe. An oil immersion cavity is arranged at one end, close to the feeding hole, in the die body, and an oil inlet is formed in the periphery of the oil immersion cavity, close to the sizing hole.
As the utility model discloses a prior art scheme still includes the batch oil tank that is used for preserving lubricating oil, oil inlet and batch oil tank pipeline intercommunication.
As a prior technical scheme of the utility model, the below of die body is equipped with connects the oil groove, connect oil groove and batch oil tank intercommunication. Lubricating oil flows in from the oil inlet, flows out from the feed inlet again to in falling the oil receiving groove, be convenient for the recovery of lubricating oil.
As a prior technical scheme of the utility model, support fixed mounting connects in the oil groove.
As a preferential technical scheme of the utility model, the oil inlet is seted up in the die body top.
As the utility model discloses a prior art scheme, feed inlet department installs the oil scraper ring, the inner wall of oil scraper ring and the outer wall clearance fit of copper pipe, minimum clearance adopts 1 ~ 2mm. Due to the arrangement of the oil slinger, lubricating oil can be accumulated to a certain amount in the die body and then flows out of the inner ring of the oil slinger, so that the copper pipe is in more sufficient contact with the lubricating oil.
As the utility model discloses a prior art scheme, the one end threaded connection that a surface and the die body of oil scraper ring are close to the feed inlet, oil scraper ring can follow feed inlet department and dismantle, is convenient for clear up in the die body.
As a prior art scheme of the utility model, the die body is opened in the one end week that is close to the feed inlet has the oil absorption mouth, oil absorption mouth and immersion oil chamber intercommunication, lubricating oil flow in from the oil inlet, flow out from the oil absorption mouth, and the abundant recovery of the lubricating oil of being convenient for, and reduce lubricating oil and expose in the surrounding environment, reduce environmental pollution.
As the utility model discloses a prior art scheme, the oil absorption mouth is seted up in the below of die body, and the lubricating oil of being convenient for flows into in the oil absorption mouth naturally.
As a prior art scheme of the utility model, oil absorption mouth and batch oil tank intercommunication, lubricating oil flow back to the batch oil tank, realize the recycle of lubricating oil.
The utility model discloses following beneficial effect has:
the utility model discloses a one end that is close to the feed inlet in the die body is equipped with the immersion oil chamber, the immersion oil chamber has seted up the oil inlet in the week side that is close to sizing hole portion, in the course of the work, the copper pipe is through the die body, and transmit to the discharge gate direction by the feed inlet, and lubricating oil flows in the immersion oil chamber from the oil inlet, flow out from the feed inlet again, the flow direction of lubricating oil is opposite with the transmission direction of copper pipe, thereby realize fully infiltrating to the copper pipe, avoid spraying the inhomogeneous insufficient problem of retrieving with fluid of copper pipe lubrication that leads to from the copper pipe top, promote the production quality of copper pipe, improve the processing environment.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a sizing die for copper pipe processing according to an embodiment;
FIG. 2 is a schematic structural diagram of a mold body according to an embodiment;
FIG. 3 is a schematic structural view of a sizing die for copper pipe processing according to a second embodiment;
FIG. 4 is a schematic structural diagram of a mold body according to a second embodiment;
in the drawings, the components represented by the respective reference numerals are listed below:
100-die body, 200-bracket, 300-oil receiving groove,
1-a feeding hole, 2-a discharging hole, 3-a sizing hole part, 4-an oil immersion cavity, 5-an oil inlet, 6-an oil retainer and 7-an oil suction port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example one
Referring to fig. 1, the present embodiment provides a sizing die for copper pipe processing, including a die body 100 and a bracket 200 for fixing the die body, wherein the bracket 200 is provided with a through hole adapted to the die body 100, and the die body 100 is sleeved in the through hole and welded and fixed, so as to ensure the firmness of the die body 100 in the process of drawing a copper pipe through the die body. An oil receiving groove 300 is formed below the mold body 100, and the bracket 200 is fixedly installed in the oil receiving groove 300.
Referring to fig. 1-2, a die body 100 is a cylindrical tubular structure, and the die body 100 includes a feed port 1 and a discharge port 2. One end of the die body 100 close to the discharge hole 2 is provided with a sizing hole part 3 for compressing the diameter of the copper pipe, and the sizing hole part 3 adopts a conical necking structure. Wherein, the diameter of the feed inlet 1 is not less than the outer diameter of the copper pipe. An oil immersion cavity 4 is arranged at one end, close to the feeding hole 1, in the die body 100, an oil inlet 5 is formed in the oil immersion cavity 4 on the periphery side close to the sizing hole part 3, and an oil storage tank for storing lubricating oil is connected through the oil inlet 5. Wherein, the oil inlet 5 is opened above the die body 100.
When the copper pipe conveying device works, the copper pipe is conveyed from the feeding hole 1 to the discharging hole 2, lubricating oil flows into the oil immersion cavity 4 from the oil inlet 5 and then flows out from the feeding hole 1, and then the lubricating oil falls into the oil receiving groove. In this in-process, the flow direction of lubricating oil is opposite with the transmission direction of copper pipe to the realization is to the abundant infiltration of copper pipe, avoids spraying the copper pipe lubrication unevenness and the insufficient problem of fluid recovery that lead to from the copper pipe top, promotes the production quality of copper pipe, improves the processing environment.
In addition, the bottom of oil receiving groove 300 is equipped with the oil-out, through oil-out and batch oil tank intercommunication, under the effect of oil pump, realizes the cyclic utilization of lubricating oil.
Example two
Based on the first embodiment, the second embodiment has the improvement points that:
referring to fig. 3-4, an oil slinger 6 is installed at the feed inlet 1, the inner wall of the oil slinger 6 is in clearance fit with the outer wall of the copper pipe, and the minimum clearance is 1-2 mm, so that the copper pipe can conveniently penetrate through the oil slinger. One surface of the oil deflector ring 6 is in threaded connection with one end of the die body 100 close to the feed port 1, and the oil deflector ring 6 can be detached from the feed port 1, so that the oil immersion cavity 4 is convenient to clean. The oil retainer 6 is arranged to enable the lubricating oil to be accumulated to a certain amount in the oil immersion cavity 4 and then flow out of the inner ring of the oil retainer 6, so that the copper pipe is in full contact with the lubricating oil.
As another preferable scheme, an oil suction opening 7 is further formed below the oil immersion cavity 4, the oil suction opening 7 is formed in one end of the die body 100 close to the feed port 1, and the oil suction opening 7 is communicated with the oil storage tank. In the working process, lubricating oil flows in from the oil inlet 5 and flows out from the oil suction opening 7, and the oil retainer 6 is combined to ensure that the lubricating oil can be accumulated to a certain amount in the oil immersion cavity 4, meanwhile, the lubricating oil can be conveniently and fully recovered, the lubricating oil is reduced to be exposed in the surrounding environment, and the environmental pollution is reduced.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The sizing die for processing the copper pipe is characterized by comprising a die body (100) and a bracket (200) for fixing the die body, wherein the die body (100) is of a cylindrical structure; the die body (100) comprises a feeding hole (1) and a discharging hole (2), a sizing hole part (3) used for compressing the diameter of the copper pipe is arranged at one end, close to the discharging hole (2), in the die body (100), and the sizing hole part (3) adopts a conical necking structure;
the diameter of the feed port (1) is not less than the outer diameter of the copper pipe;
an oil immersion cavity (4) is arranged at one end, close to the feeding hole (1), in the die body (100), and an oil inlet (5) is formed in the oil immersion cavity (4) on the periphery side close to the sizing hole part (3).
2. A sizing die for processing a copper pipe according to claim 1, further comprising an oil storage tank for storing lubricating oil, wherein the oil inlet (5) is communicated with the oil storage tank.
3. A sizing die for processing a copper pipe according to claim 2, wherein an oil receiving groove (300) is arranged below the die body (100), and the oil receiving groove (300) is communicated with an oil storage tank.
4. A sizing die for copper pipe processing according to claim 3, wherein said bracket (200) is fixedly mounted in an oil receiving groove (300).
5. Sizing die for copper pipe processing according to claim 4, wherein said oil inlet (5) opens above the die body (100).
6. A sizing die for processing a copper pipe according to claim 3, wherein an oil slinger (6) is arranged at the feed inlet (1), the inner wall of the oil slinger (6) is in clearance fit with the outer wall of the copper pipe, and the minimum clearance is 1-2 mm.
7. A sizing die for processing a copper pipe according to claim 6, wherein one surface of the oil retainer (6) is in threaded connection with one end of the die body (100) close to the feeding hole (1).
8. A sizing die for copper pipe machining according to claim 6, wherein an oil suction opening (7) is formed in the die body (100) on the periphery of one end close to the feeding hole (1), and the oil suction opening (7) is communicated with the oil immersion cavity (4).
9. A sizing die for processing a copper pipe according to claim 8, wherein the oil suction opening (7) is formed below the die body (100).
10. A sizing die for copper pipe processing according to claim 8, wherein the oil suction opening (7) is communicated with an oil storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672850.9U CN218191768U (en) | 2022-10-11 | 2022-10-11 | Sizing die for copper pipe processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222672850.9U CN218191768U (en) | 2022-10-11 | 2022-10-11 | Sizing die for copper pipe processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218191768U true CN218191768U (en) | 2023-01-03 |
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ID=84642098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222672850.9U Active CN218191768U (en) | 2022-10-11 | 2022-10-11 | Sizing die for copper pipe processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218191768U (en) |
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2022
- 2022-10-11 CN CN202222672850.9U patent/CN218191768U/en active Active
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