CN215965566U - Reverse extrusion end cap structure - Google Patents

Reverse extrusion end cap structure Download PDF

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Publication number
CN215965566U
CN215965566U CN202121937038.3U CN202121937038U CN215965566U CN 215965566 U CN215965566 U CN 215965566U CN 202121937038 U CN202121937038 U CN 202121937038U CN 215965566 U CN215965566 U CN 215965566U
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China
Prior art keywords
extrusion
plug
sleeve
heat
hole
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CN202121937038.3U
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Chinese (zh)
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周江平
韦宇山
宋高飞
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Guangdong Haomei Precision Manufacturing Co ltd
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Guangdong Jingmei Special Profile Co ltd
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Abstract

The utility model discloses a reverse extrusion plug structure, which comprises an extrusion container arranged on an extruder, a plug arranged in the extrusion container and an extrusion sleeve extruded with a blank, wherein the extrusion container comprises: the right side is provided with a heat-preservation clamping sleeve; the connection part of the heat-insulating cutting sleeve and the extrusion cylinder is provided with a threaded hole; a fastening bolt mounted in the threaded hole; an extrusion port is formed in the heat-insulating clamping sleeve, and an extrusion needle is arranged on an extruder on the right side of the extrusion cylinder. The backward extrusion plug structure is provided with the heat-insulation clamping sleeve, the plug is clamped and fixed, so that the plug can enter the extrusion cylinder and is always in a heat-insulation state, the phenomenon of tail end cooling is effectively solved, the problems that the cooling is large at the final stage of extrusion and the temperature of a discharge port is low are solved, the requirement of aluminum alloy quenching is met in the extrusion process, the performance is stable, and the yield is improved; the extrusion sleeve is arranged inside the plug, so that when aluminum alloy pipes with different diameters are subjected to extrusion forming, the extrusion sleeves with different inner diameters can be replaced, and the processing precision is improved.

Description

Reverse extrusion end cap structure
Technical Field
The utility model relates to the technical field of aluminum alloy processing and forming equipment, in particular to a backward extrusion plug structure.
Background
The production of the aluminum alloy pipe is mainly extruded by an extruder, and the extruder is the main equipment for producing light alloy (aluminum alloy, copper alloy and magnesium alloy) pipes, rods and sectional materials. The metal extrusion machine is the most important equipment for realizing metal extrusion processing. Metal extrusion is an important method of plastic press forming using metal. The method is characterized in that the metal ingot blank is processed into a pipe, a rod and a section at one time, and almost no other method can be matched with the pipe, the rod and the section in the transient state. Beautiful and elegant building decoration materials; aircraft flying across continents, oceans; a space ship and a space station for human to explore the outer space; backbone materials used in various fields such as railways, subways, light rails, maglev train vehicles, ships and boats and the like are almost closely related to extrusion processing. Aluminum material extrusion presses typically employ backward extrusion, where the direction of metal flow is opposite to the direction of forward (relative) movement of the extrusion ram, there is no relative movement between the barrel and billet, and the extrusion pressure is much lower than in forward extrusion because there is no friction between the billet and barrel. In the backward extrusion process, the extrusion force is kept constant within the full stroke range of the extrusion rod. The material which is difficult to deform can be extruded by a high extrusion coefficient at a low temperature, the metal deformation is uniform, the structure and the mechanical property along the length of an extruded product are basically consistent, compared with forward extrusion, the waste materials such as residual stress and the like are obviously reduced, and the yield is high; larger ingot blanks can be adopted, which is beneficial to improving the efficiency of equipment and the continuity of production.
The existing reverse extruder is generally transmitted through the pressure of a plug, and effective heat preservation cannot be realized due to the large area of the plug, so that the temperature is greatly reduced in the final stage of extrusion, the temperature of a discharge port is low, the requirement of aluminum alloy quenching cannot be met, the performance is unstable, and the yield is low.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a backward extrusion plug structure, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a backward extrusion end cap structure, includes the extrusion container of installation on the extruder, internally mounted's end cap to and carry out extruded extrusion sleeve with the blank, the extrusion container includes:
the right side is provided with a heat-preservation clamping sleeve;
the connection part of the heat-insulating cutting sleeve and the extrusion cylinder is provided with a threaded hole;
a fastening bolt mounted in the threaded hole;
an extrusion opening formed in the heat-insulating sleeve, and
and the extrusion needle is arranged on the extruder on the right side of the extrusion cylinder.
Furthermore, heat preservation cutting ferrule metal casing is inside to be filled thermal insulation material, and the heat preservation cutting ferrule passes through fastening bolt and is connected with the recipient and constitute fixed knot structure, four have been seted up to the screw hole symmetry.
Furthermore, the inside metal blank that is provided with of recipient, the extrusion needle passes through the extruder and drives constitution active structure, the extrusion mouth internal diameter is greater than the diameter of extrusion needle, the inside degree of depth of heat preservation cutting ferrule equals with the thickness of location snap ring.
Further, the plug includes:
a positioning snap ring is arranged on the right side;
a through hole is formed in the plug;
the left side of the plug is provided with a connecting hole;
a nail installed in the connecting hole, and
the end cap is arranged at the tail end of the shooting nail.
Furthermore, the positioning snap ring and the plug are connected through welding to form a fixed structure, the plug is connected through the heat insulation snap ring in the extrusion container in a clamping mode to form the fixed structure, and six connecting holes are symmetrically formed in the connecting holes.
Further, the compression sleeve comprises:
an extrusion through hole is formed inside the extrusion die;
the inner wall of the extrusion through hole is provided with a clamping hole;
a connecting rod mounted in the clamping hole, and
a pull ring arranged at the tail end of the connecting rod.
Furthermore, the extrusion sleeve is attached to the right side inside the plug, the extrusion sleeve is connected with the plug through the shooting nail in the connecting hole in a clamping mode to form a fixing structure, and the shooting nail is of a conical structure.
Furthermore, the tail end of the connecting rod is provided with an L-shaped bending structure, the connecting rod and the pull ring are connected through welding to form a fixing structure, the two clamping holes are symmetrically formed, and the connecting rod and the clamping holes are clamped and connected to form the fixing structure.
Compared with the prior art, the utility model has the beneficial effects that:
the heat-insulating clamping sleeve is arranged to clamp and fix the plug, so that the plug can enter the extrusion cylinder and is always in a heat-insulating state, the phenomenon of tail end cooling is effectively solved, the problems that the temperature is greatly reduced at the final stage of extrusion and the temperature of a discharge port is low are solved, the requirement of aluminum alloy quenching is met in the extrusion process, the performance is stable, and the yield is improved;
the inside extrusion sleeve that is provided with of end cap when carrying out extrusion to the aluminum alloy tubular product of different diameters, the extrusion sleeve of removable different internal diameters improves the machining precision, and the extrusion sleeve improves to penetrate the nail and be connected fixedly with the end cap, colludes it through pull ring and connecting rod during the dismantlement, the operation of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the internal structure of the novel extrusion container of the present invention;
FIG. 2 is a schematic view of the internal structure of the novel plug of the present invention;
fig. 3 is a schematic cross-sectional structure diagram of the novel plug of the present invention.
In the figure: 1. an extrusion cylinder; 110. a heat preservation card sleeve; 120. a threaded hole; 130. fastening a bolt; 140. an extrusion port; 150. a pressing pin; 2. a plug; 210. positioning the snap ring; 220. a through hole; 230. connecting holes; 240. Shooting a nail; 250. an end cap; 3. extruding the sleeve; 310. extruding a through hole; 320. a clamping hole; 330. a connecting rod; 340. and (4) a pull ring.
Detailed Description
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the novel invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the novel forms of the present invention can be understood in specific instances by those of ordinary skill in the art.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a backward extrusion end cap structure, includes the end cap 2 of the recipient 1 of installation, internally mounted on the extruder to and carry out extruded extrusion sleeve 3 with the blank, recipient 1 includes: a heat preservation cutting sleeve 110 is arranged on the right side; a threaded hole 120 is formed at the joint of the heat-insulating cutting sleeve 110 and the extrusion cylinder 1; a fastening bolt 130 installed in the screw hole 120; an extrusion port 140 opened in the thermal insulation cutting sleeve 110, and an extrusion needle 150 installed on the right side extruder of the extrusion container 1.
The heat-insulating material is filled in the metal shell of the heat-insulating cutting sleeve 110, the heat-insulating cutting sleeve 110 is connected with the extrusion cylinder 1 through the fastening bolt 130 to form a fixed structure, four screw holes 120 are symmetrically formed, so that the plug 2 can enter the extrusion cylinder 1 to be in a heat-insulating state all the time, the problem of tail end cooling is effectively solved, the problem that the temperature is greatly reduced in the last stage of extrusion is solved, the temperature of a discharge hole is low, the requirement of aluminum alloy quenching is met in the extrusion process, and the performance is stable and the yield is improved.
The metal blank is arranged in the extrusion container 1, the extrusion needle 150 is driven by the extruder to form a movable structure, the inner diameter of the extrusion opening 140 is larger than the diameter of the extrusion needle 150, and the depth inside the heat-insulation clamping sleeve 110 is equal to the thickness of the positioning snap ring 210.
The plug 2 comprises: a positioning snap ring 210 arranged on the right side; a through hole 220 is formed in the plug 2; a connecting hole 230 is formed in the left side of the plug 2; a nail 240 installed in the coupling hole 230, and an end cap 250 provided at the end of the nail 240.
The positioning snap ring 210 and the plug 2 are connected by welding to form a fixed structure, the plug 2 is clamped and connected inside the extrusion container 1 by the heat-insulating clamping sleeve 110 to form a fixed structure, and six connecting holes 230 are symmetrically formed.
The compression sleeve 3 includes: an extrusion through hole 310 is formed inside; a clamping hole 320 is formed in the inner wall of the extrusion through hole 310; a connecting rod 330 installed in the clamping hole 320, and a pull ring 340 installed at the end of the connecting rod 330.
The extrusion sleeve 3 is attached to the right side inside the plug 2, the extrusion sleeve 3 is connected with the plug 2 through the shooting nail 240 in the connecting hole 230 in a clamping mode to form a fixing structure, the shooting nail 240 is of a conical structure, the extrusion sleeve 3 with different inner diameters is convenient to replace, and machining precision is improved.
The end of connecting rod 330 is provided with the L type structure of buckling, and connecting rod 330 constitutes fixed knot with pull ring 340 through welded connection, and two have been seted up to card hole 320 symmetry, and connecting rod 330 is connected with card hole 320 block and is constituted fixed knot and construct, colludes extrusion sleeve 3 convenient to detach through pull ring 340 and connecting rod 330.
When in use, firstly, the extrusion sleeve 3 with the corresponding inner diameter is selected according to the diameter of the aluminum alloy pipe to be processed, the extrusion sleeve 3 is pushed into the plug 2 to ensure that the extrusion sleeve 3 is jointed with the right side inside the plug 2, the shooting nail 240 is knocked into the connecting hole 230 to be clamped and fixed, the extrusion sleeve 3 is fixed in the plug 2, then the plug 2 is arranged on the port of the extrusion cylinder 1, the heat-preservation cutting sleeve 110 is sleeved on the plug 2, the fastening bolt 130 is screwed into the threaded hole 120 to fix the plug 2, so that the plug 2 can enter the extrusion cylinder 1 to be in a heat-preservation state all the time, the phenomenon of tail end temperature reduction is effectively solved, the temperature reduction at the final stage of extrusion is prevented from being large, the temperature of a discharge port is prevented from being low, the requirement of aluminum alloy quenching is met in the extrusion process, the performance is stable and the yield is improved, when in processing, the extrusion needle 150 moves leftwards to push the extrusion port 140 to carry out extrusion forming on the aluminum alloy blank, after the processing is completed, when the extrusion sleeve 3 needs to be disassembled and replaced, the shooting nail 240 is pulled out, the L-shaped bending structure arranged at the tail end of the connecting rod 330 is inserted into the clamping hole 320 formed in the inner wall of the extrusion sleeve 3, and the extrusion sleeve 3 is hooked out through the pull ring 340 and the connecting rod 330, so that the operation is convenient.
The above description is only an example of the novel invention, and the general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the novel forms of the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a backward extrusion end cap structure, includes recipient (1), internally mounted's end cap (2) of installation on the extruder to and carry out extruded extrusion sleeve (3) with the blank, its characterized in that: the container (1) comprises:
a heat preservation cutting sleeve (110) is arranged on the right side;
a threaded hole (120) is formed at the joint of the heat-insulating cutting sleeve (110) and the extrusion cylinder (1);
a fastening bolt (130) installed in the threaded hole (120);
an extrusion opening (140) arranged in the heat-preservation cutting sleeve (110), an
An extrusion needle (150) is arranged on the right side of the extrusion cylinder (1) on the extruder.
2. A backward extrusion plug structure as defined in claim 1, wherein: the heat-insulation clamping sleeve (110) is filled with heat-insulation materials inside the metal shell, the heat-insulation clamping sleeve (110) is connected with the extrusion cylinder (1) through fastening bolts (130) to form a fixing structure, and four threaded holes (120) are symmetrically formed.
3. A backward extrusion plug structure as defined in claim 1, wherein: the extrusion device is characterized in that a metal blank is arranged inside the extrusion container (1), the extrusion needle (150) is driven by the extruder to form a movable structure, the inner diameter of the extrusion opening (140) is larger than the diameter of the extrusion needle (150), and the inner depth of the heat-insulation clamping sleeve (110) is equal to the thickness of the positioning clamping ring (210).
4. A backward extrusion plug structure as defined in claim 1, wherein: the plug (2) comprises:
a positioning snap ring (210) is arranged on the right side;
a through hole (220) is formed in the plug (2);
a connecting hole (230) is formed in the left side of the plug (2);
a nail (240) installed in the coupling hole (230), an
An end cap (250) is arranged at the tail end of the shooting nail (240).
5. A backward extrusion plug structure as claimed in claim 4, wherein: the positioning clamping ring (210) and the plug (2) are connected through welding to form a fixed structure, the plug (2) is clamped and connected inside the extrusion container (1) through the heat-insulation clamping sleeve (110) to form the fixed structure, and six connecting holes (230) are symmetrically formed.
6. A backward extrusion plug structure as defined in claim 1, wherein: the compression sleeve (3) comprises:
an extrusion through hole (310) is formed inside the plastic tube;
the inner wall of the extrusion through hole (310) is provided with a clamping hole (320);
a connecting rod (330) installed in the clamping hole (320), and
a pull ring (340) arranged at the tail end of the connecting rod (330).
7. A backward extrusion plug structure as defined in claim 6, wherein: the extrusion sleeve (3) is attached to the right side of the inner portion of the plug (2), the extrusion sleeve (3) is connected with the plug (2) through a shooting nail (240) in a connecting hole (230) in a clamping mode to form a fixing structure, and the shooting nail (240) is of a conical structure.
8. A backward extrusion plug structure as defined in claim 6, wherein: the end of the connecting rod (330) is provided with an L-shaped bending structure, the connecting rod (330) and the pull ring (340) are connected through welding to form a fixed structure, the clamping holes (320) are symmetrically formed, and the connecting rod (330) is clamped with the clamping holes (320) to form a fixed structure.
CN202121937038.3U 2021-08-17 2021-08-17 Reverse extrusion end cap structure Active CN215965566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121937038.3U CN215965566U (en) 2021-08-17 2021-08-17 Reverse extrusion end cap structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121937038.3U CN215965566U (en) 2021-08-17 2021-08-17 Reverse extrusion end cap structure

Publications (1)

Publication Number Publication Date
CN215965566U true CN215965566U (en) 2022-03-08

Family

ID=80580969

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121937038.3U Active CN215965566U (en) 2021-08-17 2021-08-17 Reverse extrusion end cap structure

Country Status (1)

Country Link
CN (1) CN215965566U (en)

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Address after: 511517 No. 12, Yinying Road, Yuantan Town, Qingcheng District, Qingyuan City, Guangdong Province

Patentee after: Guangdong Haomei Precision Manufacturing Co.,Ltd.

Country or region after: China

Address before: 511517 No. 12, Yinying Road, Yuantan Town, Qingcheng District, Qingyuan City, Guangdong Province

Patentee before: GUANGDONG JINGMEI SPECIAL PROFILE Co.,Ltd.

Country or region before: China

CP03 Change of name, title or address