CN115138801A

CN115138801A - Copper bar extrusion production device and production method thereof

Info

Publication number: CN115138801A
Application number: CN202210782069.9A
Authority: CN
Inventors: 肖云程
Original assignee: Ruian Donghong Electric Co ltd
Current assignee: Ruian Donghong Electric Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-04
Anticipated expiration: 2042-06-30
Also published as: CN115138801B

Abstract

The application discloses a copper bar extrusion production device and a production method thereof, and the copper bar extrusion production device comprises a machine table, a machine table and a machine frame, wherein the machine table is provided with an inner cavity; the continuous extrusion mechanism is used for continuously extruding the copper material; the conveying mechanism is used for enabling the copper material to pass through the continuous extrusion mechanism; the working bin, its setting runs through at board top and both ends, and continuous extrusion mechanism includes: the hammering unit is used for hammering the copper material into a flat blank; limit width roll extrusion unit for the width of roll extrusion and adjustment level blank, in daily use, through adopting above-mentioned technical scheme, through the setting of beating the unit, make the copper product be close to the required thickness of finished product copper product fast, rethread continuous extrusion mechanism rolls the blank, makes it reach appointed thickness and width, and through such mode, reduction work load improves work efficiency.

Description

Copper bar extrusion production device and production method thereof

Technical Field

The invention relates to a copper bar extrusion production device and a production method thereof.

Background

The copper bar is mainly used on a primary circuit (phase line, zero line and ground line of large current can all use the copper bar), and the connection of primary components and parts of large current on the electric cabinet uses the copper bar, for example, what one row of electric cabinet was connected between cabinet and cabinet is main female arranging, and main female arranging divides to be the branch female arranging on the switch electricity (isolator, circuit breaker, etc.) of every electric cabinet. The copper bar is tinned and is also bare, and the connection position of the copper bar in the electric cabinet is generally subjected to tinning treatment and embossing treatment or is added with conductive paste. The spare part is protected by a heating shrinkage sleeve, and some parts are coated with insulating paint. The copper bar is mainly used for considering the current-carrying capacity, the copper bar is selected according to the current magnitude, the screw at the joint is required to be tightened, and otherwise, the possibility of melting the copper bar can be caused when the current is large.

The traditional copper bar production usually comprises the selection of copper materials, the stretching of the copper materials into proper copper materials, the rolling of the copper materials into a trapezoidal section, the annealing, the twice-transformation stretching, the secondary annealing, the rough drawing and the fine drawing.

Disclosure of Invention

The invention aims to solve one of the technical problems in the prior art.

The application provides a copper bar extrusion apparatus for producing, include:

a machine platform, which is provided with an inner cavity;

the continuous extrusion mechanism is used for continuously extruding the copper material;

the conveying mechanism is used for enabling the copper material to pass through the continuous extrusion mechanism;

the working bin is arranged on the top of the machine table and two ends of the working bin penetrate through the machine table.

The continuous extrusion mechanism includes:

the beating unit is used for beating the copper material into a flat blank;

and the width limiting and rolling unit is used for rolling and adjusting the width of the flat blank.

The hammering unit includes:

the hammering table is arranged at the top of the machine table;

the hammering hammers are movably arranged in the working bin and are driven to vertically reciprocate by a reciprocating mechanism;

wherein, each beating hammer is arranged above the beating platform.

The reciprocating mechanism comprises:

a plurality of multi-link connecting units for carrying the hammers;

and the power source is in transmission connection with the multi-connecting-rod connecting unit and drives the multi-connecting-rod connecting unit to drive the hammer to reciprocate.

The multi-link connecting unit includes:

the upright post is fixedly arranged at the top of the working bin;

the bottom end of the connecting column is connected with the top end of the hammer;

the pair of swing arms are used for movably connecting the upright posts and the connecting columns;

and one end of the connecting arm is hinged with the top end of the connecting column, and the other end of the connecting arm is connected with a power source.

The power source includes:

the first motor is installed at the top of the working bin through a bracket;

the circle center of the rotary table is fixedly arranged on an output shaft of the motor I;

the reciprocating slide block is movably arranged at the top of the bracket along the transverse direction;

the linkage sliding block is fixedly arranged at the eccentric position of the surface of the rotary table;

and the linkage sliding chute is vertically arranged on the reciprocating sliding block and is in transmission connection with the linkage sliding block.

The width limiting rolling unit comprises:

the rotating roller frame is arranged at the top of the machine table;

the driving rotating roller is rotatably arranged in the rotating roller frame and is driven by a second motor;

the driven rotating roller is rotatably arranged in the working bin and is matched with the driving rotating roller;

the width limiting plates are provided with a pair and sleeved outside the driving rotary roller through the through holes;

and the adjusting mechanism is used for adjusting the distance between the pair of width limiting plates.

The adjustment mechanism includes:

the transverse groove is arranged on the top surface of the machine table and is parallel to the driving rotary roller;

the straight actuating unit is arranged in the inner cavity of the machine table;

one end of each of the pair of pushing arms is hinged with the telescopic end of the straight actuating unit;

wherein, a pair of limit for width board bottom is all movable mounting in the horizontal groove, and each pushes away the arm and keeps away from straight line actuating unit end and articulate with each limit for width board bottom respectively.

The width limiting rolling unit further comprises:

the sliding shell is driven by the transverse moving actuating unit to be transversely and movably arranged in the working bin;

a pair of adjusting grooves symmetrically arranged on the opposite side walls of the sliding shell;

the locking mechanism is used for fixing the active roller after the height is adjusted;

wherein, both ends are link up about the shell bottom of sliding with, and the adjustment tank is multistage echelonment and extends along the shell length direction that slides.

Simultaneously, the method for producing the copper bar is characterized by comprising the following steps:

s1, cleaning the surface of a copper material with the copper content higher than 99%;

s2, continuously conveying the cleaned copper materials into a working bin by a conveying mechanism;

s3, driving each beating hammer to beat the copper material by a reciprocating driving mechanism to prepare a flat copper bar rough blank;

s4, enabling the flat copper bar rough blank to enter a space between a driving rotating roller, a driven rotating roller and a pair of width limiting plates, and rolling to obtain a high-precision copper bar blank;

s5, sawing to obtain a single copper bar workpiece;

s6, polishing the single copper bar workpiece to obtain a finished product.

The invention has the following beneficial effects:

1. through the arrangement and operation of the hammering table, the hammering hammer and the reciprocating mechanism, when copper materials enter between the hammering table and the hammering hammer, the hammering hammer is driven by the reciprocating mechanism to pound the copper materials, so that the thickness of the copper materials is close to that of a finished copper bar product, the working efficiency is improved, and the workload is reduced;

2. the gap between the driving rotary roller and the driven rotary roller is adjusted through the arrangement of the driving rotary roller, the driven rotary roller, the sliding shell, the transverse moving actuating unit, the adjusting groove and the locking mechanism, so that the thickness of the finished copper bar product can be accurately controlled;

3. through the setting of limit for width board and adjustment mechanism, adjust the interval between a pair of limit for width board, make the width of copper bar finished product can obtain accurate control.

Drawings

FIG. 1 is a schematic structural diagram of a specific implementation manner of a copper bar extrusion production device in an embodiment of the application;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3 at C;

FIG. 5 is a schematic structural diagram of the sliding shell 405 according to the embodiment of the present application;

fig. 6 is a schematic structural diagram of a lifting plate 801 in the embodiment of the present application.

Reference numerals

101-machine table, 102-inner cavity, 103-working bin, 2-conveying mechanism, 3-beating unit, 301-beating table, 302-beating hammer, 4-width-limiting rolling unit, 401-rotating roller frame, 402-driving rotating roller, 403-driven rotating roller, 404-width-limiting plate, 405-sliding shell, 406-adjusting groove, 5-power source, 501-motor I, 502-rotating disc, 503-reciprocating sliding block, 504-linkage sliding block, 505-linkage sliding groove, 6-multi-connecting-rod connecting unit, 601-upright post, 602-connecting column, 603-swinging arm, 604-connecting arm, 7-adjusting mechanism, 701-transverse groove, 702-straight-moving actuating unit, 8-pushing arm, 8-locking mechanism, 801-lifting plate, 802-clamping part, 803-clamping part, 8031-clamping groove, 8032-clamping groove, 804-limiting groove, 9-lifting driving unit, 902-rotating shaft, 902-cam, 903-motor III.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/", and generally means that the former and latter related objects are in an "or" relationship.

The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

As shown in fig. 1 to 6, an embodiment of the present application provides a copper bar extrusion production apparatus, including a machine 101 having an inner cavity 102; the continuous extrusion mechanism is used for continuously extruding the copper material; a conveying mechanism 2 for passing the copper material through a continuous extrusion mechanism; and the working bin 103 is arranged at the top of the machine platform 101, and two ends of the working bin penetrate through the machine platform.

Further, the continuous extrusion mechanism comprises a hammering unit 3 for hammering the copper material into a flat blank; and the width limiting and rolling unit 4 is used for rolling and adjusting the width of the flat blank.

Further, the hammering unit 3 includes a hammering table 301, which is disposed on the top of the machine table 101; and the hammering hammers 302 are movably arranged in the working bin 103 and are driven to vertically reciprocate by a reciprocating mechanism, and each hammering hammer 302 is arranged above the hammering table 301.

Further, the reciprocating mechanism includes a plurality of multi-link connecting units 6 for carrying the hammers 302; and the power source 5 is in transmission connection with the multi-link connecting unit 6 and drives the multi-link connecting unit to drive the hammer 302 to reciprocate.

Further, the multi-link connecting unit 6 includes a pillar 601 fixedly installed at the top of the working bin 103; a connecting column 602, the bottom end of which is connected with the top end of the hammer 302; a pair of swing arms 603 for movably connecting the upright 601 and the connecting column 602 to the arm 604; and one end of the connecting arm 604 is hinged with the top end of the connecting column 602, and the other end of the connecting arm is connected with the power source 5.

Further, the power source 5 comprises a first motor 501 which is arranged at the top of the working bin 103 through a bracket; a circle center of the rotary table 502 is fixedly arranged on an output shaft of the first motor 501; a reciprocating slide block 503 which is movably installed on the top of the bracket along the transverse direction; a linkage slider 504 fixedly installed at an eccentric position on the surface of the turntable 502; and the linkage sliding chute 505 is vertically arranged on the reciprocating slide block 503 and is in transmission connection with the linkage slide block 504.

Further, the width-limiting rolling unit 4 includes a rotating roller frame 401, which is arranged on the top of the machine table 101; the driving rotating roller 402 is rotatably arranged in the rotating roller frame 401 and is driven by a second motor; a driven roller 403 rotatably installed in the working bin 103 for cooperating with the driving roller 402; a pair of width limiting plates 404 sleeved outside the driving roller 402 through the through holes; and an adjusting mechanism 7 for adjusting the distance between the pair of width limiting plates 404.

Further, the adjusting mechanism 7 includes a horizontal slot 701 disposed on the top surface of the machine 101 and parallel to the driving roller 402; a straight actuating unit 702 installed in the inner cavity 102 of the machine 101; one end of each of the pair of pushing arms 703 is hinged to the telescopic end of the rectilinear motion actuation unit 702, the bottom ends of the pair of width limiting plates 404 are movably mounted in the transverse groove 701, and the end of each of the pushing arms 703, which is far away from the rectilinear motion actuation unit 702, is hinged to the bottom end of each of the width limiting plates 404.

Further, the width-limiting rolling unit 4 further comprises a sliding shell 405, which is driven by the traverse motion actuating unit to be transversely movably installed in the working bin 103; a pair of adjusting slots 406 symmetrically arranged on opposite side walls of the sliding shell 405; and the locking mechanism 8 is used for fixing the driving rotating roller 402 after the height is adjusted, the bottom end and the left end and the right end of the sliding shell 405 are communicated, and the adjusting groove 406 is in a multi-section step shape and extends along the length direction of the sliding shell 405.

Further, the locking mechanism 8 comprises a lifting plate 801 which is vertically and movably installed in the working bin 103, and the bottom end of the lifting plate movably penetrates through the machine table 101 and extends into the inner cavity 102 of the machine table; the lifting driving unit 9 is used for driving the lifting plate 801 to lift; an engaging portion 803 provided on a side wall of the slide case 405; a locking portion 802 provided on the lifting plate 801 and configured to be locked with the locking portion 803 when the lifting plate 801 is lifted; and a limiting groove 804 which penetrates through the lifting plate 801 and is in sliding fit with the end part of the driven rotating roller 403.

Further, the lifting driving unit 9 comprises a rotating shaft 901, which is driven to rotate by a motor three 903; a pair of cams 902 fixedly mounted on the rotating shaft 901; the shaft 901 is rotatably mounted in the cavity 102 of the machine base 101, and the outer peripheral wall of each cam 902 abuts against the bottom surface of each lifting plate 801.

Further, the engaging portion 803 includes a recess 8031, which is disposed at the bottom of the side wall of the sliding shell 405; a card slot 8032 having a plurality of slots and disposed on top of the recess 8031.

Preferably, the top ends of the slots 8032, the top ends of the clamping portions 802 and the adjacent slots 8032 are all provided with cambered surfaces.

Example 1:

as shown in fig. 1 and 2, in the embodiment of the present application, the copper material is fed into the working bin 103 by the conveying mechanism 2, when the copper material passes through the position above the hammering table 301, the first motor 501 drives the rotating disc 502 to rotate, the linkage slider 504 slides in the linkage sliding groove 505 along with the rotation of the rotating disc 502, and simultaneously drives the linkage slider 504 to reciprocate horizontally at the top of the support through the linkage sliding groove 505, when the linkage slider 504 reciprocates horizontally, the connecting arms 604 movably connected with the two ends of the linkage slider reciprocate horizontally, when the hinged parts of the connecting arms 604 and the linkage slider 504 are close to the connecting column 602, the connecting column 602 is pushed by the connecting arms 604 to descend, the corresponding pair of swing arms 603 swing together with the descending of the connecting column 602, when the hinged parts of the connecting arms 604 and the linkage slider 504 are far away from the connecting column 602, the connecting column 602 is pulled to ascend by the connecting arms 604, the pair of corresponding swing arms 603 swing together with the rising of the connecting column 602, the linkage sliding block 504 continuously and repeatedly moves left and right along with the continuous permission of the motor I501, the connecting arms 604, the connecting columns 602 and the swing arms 603 are matched to enable the hammering hammers 302 to continuously and repeatedly lift along with the connecting columns 602, the bottom ends of the hammering hammers 302 continuously smash the copper materials to form flat rough blanks, then the flat rough blanks enter the space between the driving rotating roller 402 and the driven rotating roller 403 under the pushing of the copper materials continuously entering the working bin 103, the motor II rotates to drive the driving rotating shaft 901 to rotate, the flat rough blanks pass through the space between the driving rotating roller 402 and the driven rotating roller 403, copper bar rough blanks with uniform thickness are obtained after being rolled by the driving rotating roller 402 and the driven rotating roller 403, the copper bar rough blanks leave the machine table 101 under the continuous operation of the conveying mechanism 2, and enter the next step of operation;

in a preferred embodiment, each hammer 302 has a dovetail groove at its top end; the bottom end of each connecting column 602 is provided with a connecting part which is movably matched with the dovetail groove, even if the connecting column 602 moves up and down for a long time and is not vertical, the hammer 302 is vertically lifted under the matching of the dovetail groove and the connecting part, the phenomenon that the thickness of a finished product is uneven due to uneven stress of a copper product when the hammer 302 hits the copper product due to the fact that the bottom end of the hammer 302 inclines is prevented, and the defective rate is reduced.

In the preferred embodiment, the top of the sliding shell 405 has an opening for each hammer 302 to pass through, preventing interference between the hammer 302 and the sliding shell 405 during operation.

Example 2:

as shown in fig. 3 to 6, in the examples of the present application, in addition to the foregoing embodiments, before processing a copper material, the distance between the hammering mass 302 and the top surface of the hammering table 301 when the hammering mass is located at the lowest point is measured, when the distance is too large, a steel plate is padded on the hammering table 301, when the distance between the lowest point of the hammering mass 302 and the top surface of the hammering table 301 is too small, the hammering table 301 with a smaller thickness is replaced, and the hammering table 301 is mounted on the top of the machine table 101 through a fastener, so as to be convenient for disassembly and replacement;

then measuring the gap between the driving roller 402 and the driven roller 403, when the gap between the driving roller 402 and the driven roller 403 is too small or too large, the motor 903 operates, the rotating shaft 901 rotates, the convex side of each cam 902 gradually gets away from each lifting plate 801, each lifting plate 801 descends under the action of gravity, the clamping part 802 is separated from the clamping groove 8032, the limiting groove 804 descends relative to the driven rotating shaft 901, but the inner wall of the opposite side of the limiting groove 804 is in contact with the peripheral wall of the end part of the driven rotating shaft 901 at any time, at this moment, the motor 903 stops operating, the transverse moving actuating mechanism starts to move the pushing shell in the working chamber 103, the adjusting groove 406 moves in the working chamber 103 along with the pushing shell and moves relative to the driven rotating shaft 901, the end part of the driven rotating shaft 901 is limited by each limiting groove 804, so that the two ends of the driven rotating shaft 901 move from the step surfaces in the step-shaped whole grooves along with the movement of the pushing shell in the working chamber 103, the height of the driven roller 403 is raised or lowered, after the gap between the driving roller and the driving roller 402 reaches a proper value through measurement, the transverse moving actuating mechanism is closed, the motor three 903 is electrified to operate, the rotating shaft 901 drives the cam 902 to rotate, the convex side of the cam 902 gradually approaches the lifting plate 801 and jacks up the lifting plate 801, the clamping part 802 on the lifting plate 801 is inserted into the corresponding clamping groove 8032, the fixing of the pushing shell is completed, the loosening of the pushing shell is prevented, the motor three 903 stops operating, the motor three 903 adopts a servo motor, so that the position of the rotating shaft 901 is fixed after the rotating shaft 901 rotates, it is noted that the gap between the driving roller 402 and the driven roller 403 is smaller than the gap between the bottom surface and the top surface of the hammering table 301 when the hammering hammer 302 is located at the lowest position, so that when copper materials are rolled by the driving roller 402 and the driven roller 403, both sides are contacted with opposite side walls of a pair of limiting plates, the obtained copper bar rough blank has uniform thickness and uniform width;

finally, the distance between the pair of width limiting plates 404 is measured, the linear actuating mechanism is started according to the difference value between the current distance and the target distance, the telescopic end of the linear actuating mechanism extends or shortens, the linear actuating mechanism pushes or pulls the telescopic end of the linear actuating mechanism to enable the lower end of the pushing arms 703 to ascend or descend, the included angle between the pushing arms 703 increases, when the bottom ends of the pushing arms 703 ascend, the included angle between the pushing arms 703 increases, the width limiting plates 404 are pushed to move in the transverse grooves 701 in the opposite direction, the distance between the width limiting plates increases, when the bottom ends of the pushing arms 703 descend, the included angle between the pushing arms 703 decreases, the width limiting plates 404 are pulled to move in the transverse grooves 701 in the opposite direction, the distance between the width limiting plates decreases, and when the distance between the width limiting plates 404 reaches the target distance, the linear actuating mechanism stops operating, and the adjustment of the distance between the width limiting plates 404 is completed.

In a preferred embodiment, the top ends of the slots 8032, the top ends of the clamping portions 802, and the adjacent slots 8032 are all set to be arc surfaces, so that the clamping portions 802 can be conveniently inserted into the slots 8032, the probability of collision of the connecting surfaces between the top ends of the clamping portions 802 and the adjacent slots 8032 is avoided, and the failure rate is reduced.

In the preferred embodiment, the transverse moving actuating mechanism and the linear actuating mechanism are both oil cylinders, air cylinders or electric cylinders, and the transverse moving actuating mechanism and the linear actuating mechanism are simple and reliable in structure, strong in replaceability and strong in adaptability.

The application also discloses a production method for extruding the copper bar, which comprises the following steps:

s2, continuously conveying the cleaned copper materials into a working bin 103 by the conveying mechanism 2;

s3, driving each beating hammer 302 to beat the copper material by a reciprocating driving mechanism to prepare a flat copper bar rough blank;

s4, enabling the flat copper bar blank to enter a space between a driving rotating roller 402, a driven rotating roller 403 and a pair of width limiting plates 404, and rolling to obtain a high-precision copper bar blank;

s5, sawing to obtain a single copper bar workpiece;

s6, polishing the single copper bar workpiece to obtain a finished product.

In some embodiments of this application, owing to adopted foretell structure, the shape that makes the copper product is close finished product thickness fast through beating, cooperates the roll extrusion again, saw cuts and polishes, just can obtain finished product copper bar work piece fast, has effectively improved work efficiency.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a copper bar extrusion apparatus for producing, its characterized in that includes:

a machine table (101) having an inner cavity (102);

a conveying mechanism (2) for passing the copper material through the continuous extrusion mechanism;

and the working bin (103) is arranged at the top of the machine table (101) and two ends of the working bin penetrate through the machine table.

2. The copper bar extrusion production device according to claim 1, wherein the continuous extrusion mechanism comprises:

the hammering unit (3) is used for hammering the copper material into a flat blank;

and the width limiting and rolling unit (4) is used for rolling and adjusting the width of the flat blank.

3. The copper bar extrusion production device according to claim 2, characterized in that the hammering unit (3) comprises:

a hammering table (301) arranged on the top of the machine table (101);

the plurality of hammers (302) are movably arranged in the working bin (103) and are driven to vertically reciprocate by a reciprocating mechanism;

wherein each beating hammer (302) is arranged above the beating platform (301).

4. The extrusion production device of the copper bar as claimed in claim 3, wherein the reciprocating mechanism comprises:

a plurality of multi-link connection units (6) for carrying each of said hammers (302);

and the power source (5) is in transmission connection with the multi-connecting-rod connecting unit (6) and drives the multi-connecting-rod connecting unit to drive the hammer (302) to reciprocate.

5. The extrusion production device of copper bars as claimed in claim 4, characterised in that said multi-link connection unit (6) comprises:

the upright column (601) is fixedly arranged at the top of the working bin (103);

a connecting column (602), the bottom end of which is connected with the top end of the hammer (302);

a pair of swing arms (603) for movably connecting the upright column (601) and the connecting column (602);

and one end of the connecting arm (604) is hinged with the top end of the connecting column (602), and the other end of the connecting arm is connected with a power source (5).

6. The extrusion production device of copper bars as claimed in claim 4, characterized in that said power source (5) comprises:

the first motor (501) is installed at the top of the working bin (103) through a bracket;

the circle center of the rotary table (502) is fixedly arranged on the output shaft of the first motor (501);

the reciprocating slide block (503) is movably arranged at the top of the bracket along the transverse direction;

a linkage sliding block (504) fixedly installed at the surface eccentricity of the turntable (502);

and the linkage sliding chute (505) is vertically arranged on the reciprocating sliding block (503) and is in transmission connection with the linkage sliding block (504).

7. The extrusion production device of copper bars as claimed in claim 2, wherein the width-limiting rolling unit (4) comprises:

the rotating roller frame (401) is arranged at the top of the machine table (101);

the driving rotating roller (402) is rotatably arranged in the rotating roller frame (401) and is driven by a second motor;

a driven roller (403) rotatably mounted in the working chamber (103) for cooperating with the driving roller (402);

a width limiting plate (404) which is provided with a pair and sleeved outside the driving roller (402) through a through hole;

and the adjusting mechanism (7) is used for adjusting the distance between the pair of width limiting plates (404).

8. The extrusion production device of copper bars as claimed in claim 7, characterised in that said adjustment mechanism (7) comprises:

a horizontal groove (701) which is arranged on the top surface of the machine table (101) and is parallel to the driving rotary roller (402);

a straight-moving actuating unit (702) installed in the inner cavity (102) of the machine table (101);

one end of each of the pair of pushing arms (703) is hinged with the telescopic end of the straight-moving actuating unit (702);

the bottom ends of the width limiting plates (404) are movably mounted in the transverse grooves (701), and the end, far away from the straight-moving actuating unit (702), of each pushing arm (703) is hinged to the bottom end of each width limiting plate (404).

9. The extrusion production device of copper bars as claimed in claim 8, wherein the width-limiting rolling unit (4) further comprises:

a sliding shell (405) which is driven by a transverse moving actuating unit to be transversely movably installed in the working bin (103);

a pair of adjustment grooves (406) symmetrically arranged on opposite side walls of the slip shell (405);

a locking mechanism (8) for fixing the active roller (402) after the height adjustment;

wherein, both ends all link up about slip shell (405) bottom with, adjustment tank (406) are multistage echelonment and extend along slip shell (405) length direction.

10. A production method suitable for the copper bar extrusion production device of claim 9, which is characterized by comprising the following steps:

s2, continuously conveying the cleaned copper materials into a working bin (103) by the conveying mechanism (2);

s3, driving each beating hammer (302) to beat the copper material by the reciprocating driving mechanism to prepare a flat copper bar rough blank;

s4, enabling the flat copper bar blank to enter a space between a driving rotating roller (402), a driven rotating roller (403) and a pair of width limiting plates (404), and rolling to obtain a high-precision copper bar blank;

s5, sawing to obtain a single copper bar workpiece;

s6, polishing the single copper bar workpiece to obtain a finished product.