Copper bar extrusion molding device

Abstract

The utility model relates to an extrusion molding device, belongs to the technical field of copper bar processing, and particularly relates to a copper bar extrusion molding device which comprises an extrusion device body, a discharging channel assembly and a molding die assembly. The discharging channel assembly is detachably arranged at the output end of the extrusion device body, the opening width of the shaping mold assembly can be adjusted up and down, the shaping mold assembly comprises an upper mold, a lower mold and a related matching structure, and the upper mold is controlled by a driving assembly on the discharging channel mechanism to ascend and descend. The copper bar thickness adjusting device achieves the effects of flexibly adjusting the copper bar thickness, improving the shaping efficiency, reducing the die purchase cost and facilitating the disassembly, assembly and maintenance of equipment, and solves the problems of low production efficiency, high cost and difficulty in maintenance and repair caused by frequent replacement of dies for adjusting the copper bar thickness by the existing device.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper bar processing technical field especially a copper bar extrusion plastic device. BACKGROUND

[0002] As the core conductive element in the field of power transmission and electrical connection, the size precision and surface quality of copper bar directly affect the reliability and safety of equipment operation. In the copper bar processing process, extrusion shaping is the key process that determines the thickness of the product. Usually, copper bars with specific thickness need to be matched for different application scenarios, which puts high requirements on the flexibility and process efficiency of the shaping die.

[0003] After searching, a copper bar forming extrusion die is disclosed in Chinese patent CN210208127U, which relates to the field of copper bar manufacturing and includes a copper bar die body and a copper bar channel installed on the inner side of the copper bar die body. The copper bar channel includes a channel top edge located at the top, channel side edges fixed at both ends of the channel top edge, and an arc-shaped groove fixed below the channel side edges. The arc-shaped groove provided by the patent serves as the bottom edge of the copper bar channel, allowing the bottom side surface of the copper bar to have a certain curvature when it is shaped. The distance between the bottom surface and the top surface is greater than the height of the channel side, so that the copper bar is not prone to breaking when it is wound or handled.

[0004] The existing copper bar extrusion shaping device mostly uses the method of replacing different specifications of shaping dies to meet the production needs of copper bars of different thicknesses. This method has significant drawbacks. Each time the die is replaced, not only is the operation cumbersome, but also a lot of time is wasted, usually resulting in several hours of equipment downtime. This not only greatly prolongs the production cycle and reduces production efficiency, but also increases the cost of purchasing dies, as multiple dies of different specifications need to be purchased to meet the production of copper bars of different thicknesses. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a copper bar extrusion shaping device. Through the unique design of the shaping die assembly, including adjustable upper and lower dies, as well as guide protruding plates and positioning grooves that cooperate with them, and combined with the driving assembly on the discharge channel assembly, the thickness of the copper bar body can be flexibly adjusted according to actual needs. Unlike the traditional method of replacing different specifications of shaping die assemblies, this greatly improves the shaping efficiency.

[0006] The technical solution to achieve the purpose of the utility model is as follows: a copper bar extrusion shaping device, including an extrusion device body, a feed inlet is installed at the input end of the extrusion device body, a copper bar body is discharged to the outside from the output end of the other side of the extrusion device body, and the device further includes;

[0007] A discharging channel assembly is detachably arranged at the output end of the extrusion device body;

[0008] A shaping die assembly is arranged at the other end of the discharging channel assembly, and the opening width of the shaping die assembly can be adjusted up and down;

[0009] The shaping die assembly comprises an upper die and a lower die which are symmetrically semicircular, the bottom of the upper die is fixed with two groups of symmetrically distributed guide protruding plates, the top of the lower die is provided with positioning grooves which are in sliding cooperation with the guide protruding plates, when the guide protruding plates are inserted into the positioning grooves, the inner wall of the upper die, the inner wall of the lower die and the inner side surface of the two side guide protruding plates jointly enclose a rectangular shaping channel, the inlet end of the rectangular shaping channel is in open position communication with the output end of the discharging channel assembly, and the copper bar body is output after being shaped twice through the rectangular shaping channel;

[0010] A driving assembly for controlling the up and down adjustment of the upper die is arranged on the discharging channel mechanism.

[0011] In some embodiments, the discharging channel assembly comprises a communication pipe body, a first butt joint pipe and a discharging pipe.

[0012] The first butt joint pipe is connected with the output end of the extrusion device body, and the outer side of the first butt joint pipe is connected with the opening thread of the extrusion device body through the first fixing bolt arranged at the outer side.

[0013] The discharging pipe is connected with the shaping die assembly, and the outer side of the discharging pipe is locked with the outer side flange of the end part of the lower die through the second fixing bolt arranged at the outer side.

[0014] In some embodiments, the inner channel of the first butt joint pipe gradually decreases in width towards the inner channel of the communication pipe body, and the inner channel of the first butt joint pipe is in isosceles trapezoidal cross section.

[0015] In some embodiments, the inner channel of the discharging pipe gradually decreases in width towards the inner channel of the communication pipe body, and the inner channel is in right-angle trapezoidal half cross section.

[0016] In some embodiments, the driving assembly comprises a gas cylinder mounted at the outer side upper end of the discharging pipe, the top output rod of the gas cylinder is connected with a fixing plate, and the fixing plate is connected with the back wall surface of the upper die through the fastener.

[0017] In some embodiments, the materials of the upper die and the lower die are nitriding quenched steel.

[0018] Compared with the prior art, the utility model has the following obvious advantages:

[0019] One: the utility model discloses a unique design shaping die assembly, including adjustable upper die and lower die, and with the cooperation of the guide convex plate and the positioning groove, and the driving assembly on the discharge channel assembly, can according to actual demand flexible adjustment copper row body's thickness. Without like traditional mode and replace the shaping die assembly of different model specifications extra, greatly improve the plastic efficiency. In actual production, the previous replacement different specifications moulds may need to stop for hours, now through this adjustable structure, can complete thickness adjustment and continue production within a few minutes, greatly shorten the production cycle, improve the production efficiency, reduce the mould purchase cost simultaneously.

[0020] Second: the utility model discloses detachable connection's discharge channel assembly and shaping die assembly. Discharge channel assembly is through first fixed peg and extrusion device body screw connection, through second fixed peg and shaping die assembly's lower die end outside flange locking. This detachable design makes the equipment more convenient when maintaining, overhauling or replacing parts. When a part fails, maintenance personnel can quickly disassemble the corresponding assembly and maintain or replace, without large-scale disassembly to the whole equipment, save a lot of manpower and time cost. For example, when the shaping die assembly needs to be replaced due to wear, the traditional fixed connection equipment may need a whole day to disassemble and replace, and the equipment of the utility model only needs about half an hour to complete the replacement, greatly improving the availability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0021] The utility model will be explained further in combination with the drawings and examples:

[0022] Figure 1 It is the overall first perspective three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0023] Figure 2 It is the overall second perspective three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0024] Figure 3 It is the discharge pipe structure schematic diagram provided in an embodiment of the utility model;

[0025] Figure 4 It is the communication pipeline body and copper row body three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0026] Figure 5 It is the upper die and lower die three-dimensional structure schematic diagram provided in an embodiment of the utility model;

[0027] Figure 6 It is the first butt joint pipeline three-dimensional structure schematic diagram provided in an embodiment of the utility model.

[0028] Reference signs:

[0029] 1, extrusion device body; 101, feed inlet; 2, communication pipeline body; 201, first butt joint pipeline; 2010, first fixing bolt; 202, discharge pipe; 203, second fixing bolt; 3, copper bar body; 301, rectangular shaped channel; 4, upper die; 401, protruding plate; 5, lower die; 501, positioning groove; 6, fixing plate; 601, air cylinder. DETAILED DESCRIPTION

[0030] The utility model will be explained in detail below, and the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] The utility model provides a copper bar extrusion shaping device through improvement, and the technical scheme of the utility model is:

[0032] Figures 1-6 It is the best embodiment of the utility model, and the following will be combined with the attached Figures 1-6 The utility model is further explained.

[0033] As Figure 1 - Figure 6 A copper bar extrusion shaping device, including extrusion device body 1, the input end of extrusion device body 1 is installed with feed inlet 101, the output end of the other side of extrusion device body 1 is discharged to copper bar body 3 outside, still includes discharge channel subassembly and shaping die subassembly. Discharge channel subassembly is detachably arranged at the output end of extrusion device body 1, and shaping die subassembly is arranged at the other end of discharge channel subassembly, and the opening width thereof can be adjusted up and down.

[0034] As Figure 1 , Figure 4 and Figure 5As shown in the embodiment, the plastic mold assembly includes an upper mold 4 and a lower mold 5 which are symmetrically semicircular, the bottom of the upper mold 4 is fixed with two groups of symmetrically distributed guide convex plates 401, the top of the lower mold 5 is provided with positioning grooves 501 which are in sliding fit with the guide convex plates 401, when the guide convex plates 401 are inserted into the positioning grooves 501, the inner wall of the upper mold 4, the inner wall of the lower mold 5 and the inner side of the two guide convex plates 401 together enclose a rectangular shaping channel 301, the inlet end of the rectangular shaping channel 301 is in open and connected communication with the outlet end of the discharging channel assembly, and the copper bar body 3 is output after being shaped twice through the rectangular shaping channel 301; the discharging channel assembly is provided with a driving assembly for controlling the lifting adjustment of the upper mold 4. Through the arrangement of the upper mold 4, the lower mold 5, the guide convex plates 401, the positioning grooves 501 and the driving assembly, the thickness of the copper bar body 3 can be selected and adjusted as required, the thickness of the copper bar body 3 with the required thickness can be extruded by adjusting the thickness of the opening between the upper mold 4 and the lower mold 5, and the effect of improving the shaping efficiency, reducing the cost and increasing the flexibility of the equipment is achieved.

[0035] As shown in the embodiment, Figure 3 Figure 5 As shown in the embodiment, the discharging channel assembly includes a communication pipeline body 2, a first butt joint pipeline 201 and a discharge pipe 202; the first butt joint pipeline 201 is connected to the output end of the extrusion device body 1, and the outer side thereof is connected to the opening thread of the extrusion device body 1 through the first fixing bolt 2010 arranged on the outer side; the discharge pipe 202 is connected to the plastic mold assembly, and the outer side thereof is locked with the outer side flange of the end of the lower mold 5 through the second fixing bolt 203 arranged on the outer side. Through the arrangement of the first butt joint pipeline 201, the first fixing bolt 2010, the discharge pipe 202 and the second fixing bolt 203, the detachable connection between the discharging channel assembly and the extrusion device body 1 and the plastic mold assembly is realized, and the effect of facilitating the overall disassembly, maintenance and repair of the equipment is achieved.

[0036] As shown in the embodiment, Figure 3 As shown in the embodiment, the internal channel of the first butt joint pipeline 201 gradually decreases in width towards the internal channel of the communication pipeline body 2, and the internal channel of the first butt joint pipeline 201 is in isosceles trapezoidal cross section. Through the arrangement of the first butt joint pipeline 201 in which the internal channel gradually decreases in width and the internal channel is in isosceles trapezoidal cross section, the preliminary guidance and convergence of the copper bar body 3 are realized, the copper bar body 3 is more stable and uniform when entering the subsequent plastic mold assembly, and the effect of improving the shaping quality is achieved.

[0037] As shown in the embodiment, Figure 3 ​As shown in the drawings, in an embodiment, the internal passage of the discharge pipe 202 gradually decreases in width towards the internal passage of the connecting pipe body 2, and the internal passage half-section is a right-angled trapezoid. By setting the internal passage of the discharge pipe 202 to gradually decrease in width and have a right-angled trapezoid half-section, the copper bar body 3 is further guided and converged, so that the shape and position of the copper bar body 3 when entering the rectangular shaping passage 301 are more accurate, thereby improving the shaping precision of the copper bar.

[0038] As shown in the drawings, Figure 3 , Figure 4 and Figure 6 As shown in the drawings, in an embodiment, the driving assembly includes a cylinder 601 mounted on the outer side of the discharge pipe 202, and the top output rod of the cylinder 601 is connected with a fixed plate 6, which is connected with the back wall surface of the upper die 4 through a fastener. By setting the cylinder 601, the fixed plate 6 and the fastener, the stable lifting of the driving upper die 4 is realized, the opening size between the upper die 4 and the lower die 5 can be accurately controlled, thereby ensuring the accuracy and stability of the thickness adjustment of the copper bar body 3, and the shaping precision and efficiency are improved.

[0039] In an embodiment, the materials of the upper die 4 and the lower die 5 are nitriding quenched steel. By adopting nitriding quenched steel as the material of the upper die 4 and the lower die 5, the upper die 4 and the lower die 5 have high hardness and wear resistance, can withstand large pressure and friction force in the extrusion shaping process of the copper bar, prolongs the service life of the die, and reduces the equipment maintenance cost.

[0040] The working principle and use process of the utility model are as follows: firstly, the copper raw material is sent into the extrusion device body 1 through the feeding port 101 to be preliminarily extruded, and the copper bar body 3 after preliminary extrusion enters the discharging passage assembly from the output end of the extrusion device body 1. In the discharging passage assembly, the copper bar body 3 first passes through the first connecting pipe 201, the isosceles trapezoidal passage in the first connecting pipe 201 preliminarily guides and converges the copper bar body 3, then enters the connecting pipe body 2, and then enters the discharge pipe 202, and the right-angled trapezoidal passage in the discharge pipe 202 further guides and converges the copper bar body 3. Then, according to the thickness of the required copper bar body 3, the cylinder 601 in the driving assembly drives the upper die 4 to rise or fall, and adjusts the opening size between the upper die 4 and the lower die 5. Finally, the copper bar body 3 enters the rectangular shaping passage 301 formed by the inner wall of the upper die 4, the inner wall of the lower die 5 and the inner side surface of the two side guide protruding plates 401 for secondary shaping, and the copper bar body 3 after shaping is output from the rectangular shaping passage 301. When the equipment needs to be maintained or repaired, the discharging passage assembly and the shaping die assembly can be disassembled from the extrusion device body 1 through the disassembly of the first fixed bolt 2010 and the second fixed bolt 203 for operation.

[0041] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above technical means, and also include technical schemes composed of equivalent replacement of the above technical features. The unfinished matters of the utility model belong to the common knowledge of the person skilled in the art.

Claims

1. A copper bar extrusion shaping device, comprising an extrusion device body (1), an input port (101) is installed at the input end of the extrusion device body (1), and a copper bar body (3) is discharged to the outside at the other side output end of the extrusion device body (1), characterized in that: Also include; The output end of the extrusion device body (1) is provided with a discharging channel assembly; The shaping die assembly is arranged at the other end of the discharging channel assembly, and the opening width thereof can be adjusted up and down; The shaping die assembly comprises an upper die (4) and a lower die (5) which are symmetrically semicircular, and the bottom of the upper die (4) is fixed with two groups of guide convex plates (401) which are symmetrically distributed, and the top of the lower die (5) is provided with positioning grooves (501) which are in sliding fit with the guide convex plates (401), when the guide convex plates (401) are inserted into the positioning grooves (501), the inner wall of the upper die (4), the inner wall of the lower die (5) and the inner side surface of the two side guide convex plates (401) together enclose a rectangular shaping channel (301), the inlet end of the rectangular shaping channel (301) is in open position communication with the output end of the discharging channel assembly, and the copper bar body (3) is output after being shaped twice through the rectangular shaping channel (301); A driving assembly is arranged on the discharging channel mechanism for adjusting the lifting of the upper die (4).

2. A device for extrusion forming of copper bars according to claim 1, characterized in that: The discharging channel assembly comprises a communication pipeline body (2), a first butt joint pipeline (201) and a discharge pipe (202); The first butt joint pipeline (201) is connected with the output end of the extrusion device body (1), and the outer side thereof is connected with the opening thread of the extrusion device body (1) through the arranged first fixing bolt (2010); The discharge pipe (202) is connected with the shaping die assembly, and the outer side thereof is locked with the outer side flange of the end portion of the lower die (5) through the arranged second fixing bolt (203).

3. A device for extrusion forming of copper bars according to claim 2, characterized in that: The internal channel of the first butt joint pipeline (201) gradually decreases in width towards the internal channel of the communication pipeline body (2), and the internal channel of the first butt joint pipeline (201) is in isosceles trapezoidal cross section.

4. The copper bar extrusion shaping device of claim 2, wherein: The internal channel of the discharge pipe (202) gradually decreases in width towards the internal channel of the communication pipeline body (2), and the internal channel is in right-angle trapezoidal half cross section.

5. A device for extrusion forming of copper bars according to claim 1, characterized in that: The driving assembly comprises a gas cylinder (601) which is mounted on the outer side of the discharge pipe (202) and the top output rod of which is connected with a fixed plate (6), and the fixed plate (6) is connected with the back wall surface of the upper die (4) through fasteners.

6. A device for extrusion forming of copper bars according to claim 1, characterized in that: The materials of the upper die (4) and the lower die (5) are nitriding quenched steel.

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