Automatic feeding device for cold header

Abstract

The application relates to the technical field of cold upsetting processing, and discloses an automatic feeding device suitable for a cold upsetting machine, which comprises a fixed base, a rotating column fixedly connected to the fixed base, a central rotating column fixedly connected to the top of a supporting table, wire material coils wound on the side surface of the central rotating column, copper wire materials fixedly connected to the side surface of the wire material coils, feeding mechanisms movably connected to the two sides of the copper wire materials, adjusting mechanisms movably connected to the interiors of the feeding mechanisms, and power mechanisms movably connected to the interiors of the work tables. When two feeding blocks of the application contact the copper wire materials, the feeding blocks move away from the copper wire materials, the feeding blocks drive the moving rods and the cross plates to move and compress the second pre-pressing springs when the feeding blocks move away, so that the feeding blocks are in contact with the copper wire materials after buffering, direct hard contact with the copper wire materials is avoided, and the copper wire materials are damaged. The two feeding blocks clasp the copper wire materials in a flexible contact mode and drive the copper wire materials to move, sufficient pressure is provided, and the copper wire materials are prevented from being damaged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of cold upsetting processing, and more particularly to an automatic feeding device suitable for a cold upsetting machine. BACKGROUND

[0002] A cold upsetting machine is a high-efficiency automatic device for producing standard parts, screws, rivets and other metal parts. In the processing of copper screws, a disc of copper wire material needs to be continuously, stably and accurately fed into the cold upsetting machine for shearing, upsetting and forming. Cold upsetting is a plastic forming process, which almost does not produce waste, and thus is a relatively common processing technology.

[0003] Copper material has good plasticity and ductility, and is very suitable for cold upsetting deformation processing. Standard copper screws and copper rivets are basically manufactured by the cold upsetting and thread rolling process. During processing, the wire material is fed into the cold upsetting machine, is first cut to a predetermined length, and then is formed into the head and rod of the screw through multiple stamping in the cold upsetting die. After the thread is processed in the thread rolling machine, the performance is adjusted through heat treatment and surface treatment, and the production is completed.

[0004] When feeding the copper wire material, automatic feeding work is performed by feeding rollers. However, the copper material has a soft texture and is easy to scratch on the surface. When the pressure of the feeding roller is large, the copper wire material is damaged. When the pressure is small, the feeding slips and normal feeding cannot be performed.

[0005] When feeding, the current feeding mechanism cannot automatically adjust according to the diameters of wire materials of different sizes. Therefore, when the cold upsetting wire material is replaced, the feeding needs to be replaced synchronously, which wastes costs. When feeding, the current feeding device needs to use a complex structure to achieve feeding by multiple groups of feeding rollers, and the problem of asynchronization of multiple groups of feeding rollers easily occurs. SUMMARY

[0006] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present application provide an automatic feeding device suitable for a cold upsetting machine to solve the technical problems proposed in the background art.

[0007] In order to achieve the above object, the present application provides the following technical scheme: An automatic feeding device suitable for a cold header, comprising a fixed base, a rotating column fixedly connected to the fixed base, a support table movably connected to the top end of the rotating column, a central rotating column fixedly connected to the middle of the top end of the support table, a wire coil wound around the side of the central rotating column, a copper wire fixedly connected to the side of the wire coil, a feeding mechanism movably connected to the two sides of the copper wire, an adjusting mechanism movably connected to the inside of the feeding mechanism, a workbench movably connected to the bottom end of the adjusting mechanism, and a power mechanism movably connected to the inside of the workbench.

[0008] Further, two adjusting mechanisms and feeding mechanisms are arranged on the two sides of the top end of the workbench, two feeding mechanisms on each side are used for feeding, a rubber ring is arranged on the side of the copper wire away from the wire coil, a straightening roller is fixedly connected to the inside of the rubber ring, and an output machine table is movably connected to the side of the straightening roller.

[0009] Further, the power mechanism comprises a servo motor for providing power, an output shaft fixedly connected to the top end of the servo motor, an output gear fixedly connected to the side of the output shaft, a transmission gear meshed with the side of the output gear, a rotating gear set meshed with the side of the transmission gear away from the output gear, and the output shaft and the connecting disc drive the rotating disc in the adjusting mechanism to rotate.

[0010] Further, a synchronous wheel is fixedly connected to the bottom end of the side of the output shaft, a synchronous belt is meshed with the side of the synchronous wheel, the two sides of the synchronous belt are the same structure, and the adjusting mechanisms on the two sides of the top end of the workbench rotate synchronously.

[0011] Further, the adjusting mechanism comprises a rotating disc rotating with the power mechanism, a threaded rod movably connected to the center of the top end of the rotating disc, a tapered block screwedly connected to the side of the threaded rod, an adjusting wheel fixedly connected to the top end of the tapered block, and a connecting disc fixedly connected to the bottom end of the tapered block.

[0012] Further, a threaded groove matched with the threaded rod is formed in the inside of the connecting disc, a limiting column is movably connected to the inside of the connecting disc, the bottom end of the limiting column is fixedly connected to the top end of the rotating disc, a support rod is fixedly connected to the top end of the rotating disc, and the bottom end of a rotating ring in the feeding mechanism is fixedly connected to the top end of the support rod.

[0013] Further, the feeding mechanism comprises a rotating ring fixedly connected with the adjusting mechanism, a connecting rod movably connected in the rotating ring, a plurality of limit balls fixedly connected to the connecting rod in the rotating ring, and the diameter of the limit balls is greater than that of the connecting rod, and the number of the connecting rods is twelve.

[0014] Further, the rotating ring is fixedly connected with a backing plate, the backing plate is located outside the connecting rod and movably connected with the connecting rod, a first pre-pressing spring is movably connected to the side surface of the connecting rod, the first pre-pressing spring is located between the limit ball and the backing plate, and the side surface of the backing plate close to the limit ball is a plane.

[0015] Further, the connecting rod is fixedly connected with a limiting frame on the side surface outside the rotating ring, the limiting frame is fixedly connected with a limiting rod on the side surface close to the limit ball, a cross plate is movably connected in the limiting frame, and a moving rod is fixedly connected to the side surface away from the cross plate.

[0016] Further, the moving rod is fixedly connected with a feeding block on the side surface away from the cross plate, a second pre-pressing spring is movably connected to the side surface of the feeding block, and the second pre-pressing spring is located between the limiting frame and the feeding block.

[0017] The technical effects and advantages of the present application are as follows:

[0018] 1. When the two feeding blocks of the present application contact the copper wire, the feeding blocks move away from the copper wire, the moving rod and the cross plate are driven to move and compress the second pre-pressing spring, so that the feeding blocks are buffered before contacting the copper wire again, avoiding direct hard contact with the copper wire and damage, and the two feeding blocks are flexibly contacted to clamp and drive the copper wire to move, providing sufficient pressure while avoiding damage to the copper wire.

[0019] 2. When feeding the copper wire of different sizes, the adjusting wheel is rotated, the threaded rod is driven to rotate when the adjusting wheel rotates, the conical block is driven to move up and down when the threaded rod rotates, the limit ball moves outward or inward when the conical block moves up and down, and then the feeding block moves inward or outward, thereby adjusting the distance between the two feeding blocks, so that the copper wire of different sizes can be stably clamped and fed.

[0020] 3. The present application is provided with an output shaft, an output gear, a rotating gear set and a synchronous belt, the servo motor drives the output shaft to rotate when it is started, the transmission gear is driven to rotate through the output gear when the output shaft rotates, and then the rotating gear set is driven to rotate, at this time, the two rotating discs on one side of the workbench are rotated, and the output shaft is driven to rotate through the synchronous wheel and the synchronous belt to drive the rotating disc on the other side to rotate synchronously, so that the present application can be synchronized when feeding, and the structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the workbench of the present application.

[0022] Figure 2 It is the overall structure schematic diagram of the workbench of the present application.

[0023] Figure 3 It is the power mechanism structure schematic diagram of the present application.

[0024] Figure 4 It is the overall structure schematic diagram of the adjusting mechanism of the present application.

[0025] Figure 5 It is the exploded structure schematic diagram of the adjusting mechanism of the present application.

[0026] Figure 6 It is the overall structure schematic diagram of the feeding mechanism of the present application.

[0027] Figure 7 It is the exploded structure schematic diagram of the feeding mechanism of the present application.

[0028] Figure 8 It is the inner limiting frame structure schematic diagram of the feeding mechanism of the present application.

[0029] The figure mark is: 1, fixed base; 2, rotating column; 3, support table; 4, center rotating column; 5, wire coil; 6, copper wire; 7, workbench; 8, power mechanism; 801, servo motor; 802, output shaft; 803, output gear; 804, transmission gear; 805, rotating gear set; 806, synchronous wheel; 807, synchronous belt; 9, adjusting mechanism; 901, rotating disc; 902, threaded rod; 903, adjusting wheel; 904, conical block; 905, connecting disc; 906, limiting column; 907, support rod; 10, feeding mechanism; 1001, rotating ring; 1002, connecting rod; 1003, limiting ball; 1004, pad plate; 1005, first pre-press spring; 1006, limiting frame; 1007, limiting rod; 1008, cross plate; 1009, moving rod; 1010, feeding block; 1011, second pre-press spring; 11, output machine table; 12, straightening roller; 13, rubber ring. DETAILED DESCRIPTION

[0030] The technical solutions in the present application will be described clearly and completely below in combination with the drawings in the present application, and in addition, the forms of each structure described in the following embodiments are only examples, and all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present application.

[0031] Refer toFigure 1 And Figure 2 The application provides an automatic feeding device suitable for a cold header, which comprises a fixed base 1, a rotating column 2 fixedly connected to the fixed base 1, a supporting table 3 movably connected to the top end of the rotating column 2, a central winding column 4 fixedly connected to the middle of the top end of the supporting table 3, a wire coil 5 wound on the side of the central winding column 4, a copper wire 6 fixedly connected to the side of the wire coil 5, an upper feeding mechanism 10 movably connected to the two sides of the copper wire 6, an adjusting mechanism 9 movably connected to the inside of the upper feeding mechanism 10, a workbench 7 movably connected to the bottom end of the adjusting mechanism 9, and a power mechanism 8 movably connected to the inside of the workbench 7, wherein the power mechanism 8 controls the rotation of the adjusting mechanism 9 and the upper feeding mechanism 10, the adjusting mechanism 9 adjusts the distance between the adjusting mechanism 9 and the upper feeding mechanism 10, the upper feeding mechanism 10 clamps the copper wire 6 and drives the copper wire 6 to move for feeding, and two adjusting mechanisms 9 and two upper feeding mechanisms 10 are arranged on the two sides of the top end of the workbench 7, the two upper feeding mechanisms 10 on each side feed, and a rubber ring 13 is arranged on the side of the copper wire 6 away from the wire coil 5, a straightening roller 12 is fixedly connected to the inside of the rubber ring 13, and an output machine table 11 is movably connected to the side of the straightening roller 12, so that the straightening roller 12 drives the rubber ring 13 to rotate to straighten the copper wire 6.

[0032] In the application, the wire coil 5 is wound on the side of the central winding column 4, the wire coil 5 rotates when the upper feeding mechanism 10 clamps the copper wire 6 and moves, the wire coil 5 drives the central winding column 4 and the supporting table 3 to rotate when the wire coil 5 rotates, so that the application can automatically feed, the straightening roller 12 contacts the copper wire 6 through the rubber ring 13 when the output machine table 11 controls the straightening roller 12 to rotate, so that the copper wire 6 is not damaged when the copper wire 6 is straightened, and the copper wire 6 straightened by the straightening roller 12 is sent to the cold header for cutting and cold heading processing.

[0033] Referring to Figure 2 And Figure 3 The power mechanism 8 comprises a servo motor 801 for providing power, an output shaft 802 fixedly connected to the top end of the servo motor 801, an output gear 803 fixedly connected to the side of the output shaft 802, a transmission gear 804 engaged with the side of the output gear 803, a rotating gear set 805 engaged with the side of the transmission gear 804 away from the output gear 803, an output shaft 802 and a connecting disc 905 drive a rotating disc 901 in the adjusting mechanism 9 to rotate, a synchronous wheel 806 fixedly connected to the bottom end of the side of the output shaft 802, a synchronous belt 807 engaged with the side of the synchronous wheel 806, and the two sides of the synchronous belt 807 are the same structure, and the adjusting mechanisms 9 on the two sides of the top end of the workbench 7 rotate synchronously.

[0034] In the embodiment of the application, when the servo motor 801 starts, the output shaft 802 is driven to rotate, the output shaft 802 drives the transmission gear 804 to rotate through the output gear 803 when rotating, and then the rotating gear set 805 is rotated, at this time, the two rotating discs 901 on one side of the workbench 7 rotate, and the output shaft 802 drives the rotating discs 901 on the other side to rotate synchronously through the synchronous wheel 806 and the synchronous belt 807, the two adjusting mechanisms 9 on the top of the application rotate synchronously, so that the two adjusting mechanisms 9 on the two sides can be synchronized to feed, thereby ensuring the feeding effect, and the application has the advantages of simple structure and convenient feeding work.

[0035] With reference to Figure 4 and Figure 5 , the adjusting mechanism 9 comprises a rotating disc 901 rotating with the power mechanism 8, a threaded rod 902 movably connected to the top center of the rotating disc 901, a tapered block 904 threadedly connected to the side surface of the threaded rod 902, an adjusting wheel 903 fixedly connected to the top end of the tapered block 904, a connecting disc 905 fixedly connected to the bottom end of the tapered block 904, a threaded groove matched with the threaded rod 902 formed in the inside of the connecting disc 905, a limiting column 906 movably connected to the inside of the connecting disc 905, the bottom end of the limiting column 906 fixedly connected to the top end of the rotating disc 901, a supporting rod 907 fixedly connected to the top end of the rotating disc 901, and the bottom end of the rotating ring 1001 in the feeding mechanism 10 fixedly connected to the top end of the supporting rod 907.

[0036] In the embodiment of the application, when the adjusting wheel 903 rotates, the threaded rod 902 is driven to rotate, the threaded rod 902 drives the tapered block 904 to move up and down when rotating, the tapered block 904 moves up and down to make the limiting ball 1003 move outward or inward, and then the feeding block 1010 moves inward or outward, thereby adjusting the distance between the two feeding blocks 1010, so that the copper wire material 6 of different sizes can be stably clamped and fed, and the limiting column 906 limits the position of the connecting disc 905, so that the connecting disc 905 drives the tapered block 904 to move only up and down, the rotating disc 901 drives the feeding mechanism 10 to move through the supporting rod 907, so that the feeding mechanism 10 can rotate when the power mechanism 8 outputs, and then automatic feeding work can be performed.

[0037] With reference to Figure 4 , Figure 6 , Figure 7 and Figure 8The feeding mechanism 10 comprises a rotating ring 1001 fixedly connected with the adjusting mechanism 9, a connecting rod 1002 movably connected in the rotating ring 1001, a limiting ball 1003 fixedly connected to the connecting rod 1002 in the rotating ring 1001, the diameter of the limiting ball 1003 being greater than that of the connecting rod 1002, the number of the connecting rod 1002 being twelve, a pad plate 1004 fixedly connected to the rotating ring 1001, the pad plate 1004 being located outside the connecting rod 1002 and movably connected with the connecting rod 1002, a first pre-compression spring 1005 movably connected to the side surface of the connecting rod 1002, the first pre-compression spring 1005 being located between the limiting ball 1003 and the pad plate 1004, the side surface of the pad plate 1004 close to the limiting ball 1003 being a plane, a limiting frame 1006 fixedly connected to the side surface of the connecting rod 1002 outside the rotating ring 1001, a limiting rod 1007 fixedly connected to the side surface of the limiting frame 1006 close to the limiting ball 1003, a cross plate 1008 movably connected in the limiting frame 1006, a moving rod 1009 fixedly connected to the side surface of the cross plate 1008 away from the pad plate 1004, a feeding block 1010 fixedly connected to the side surface of the moving rod 1009 away from the cross plate 1008, and a second pre-compression spring 1011 movably connected to the side surface of the feeding block 1010, the second pre-compression spring 1011 being located between the limiting frame 1006 and the feeding block 1010.

[0038] In the embodiment of the application, when the conical block 904 moves upward, the limiting ball 1003 moves outward and compresses the first pre-compression spring 1005, the diameter of the limiting ball 1003 is greater than that of the connecting rod 1002, so that the first pre-compression spring 1005 can be compressed, and thus when the conical block 904 moves downward, the inside of the limiting ball 1003 is not in contact with the conical block 904, and the compressed first pre-compression spring 1005 can be reset, so as to drive the limiting ball 1003 to automatically reset, the pad plate 1004 is connected in the rotating ring 1001 and is a plane, so that the first pre-compression spring 1005 is more stable when being compressed and reset, and when the two feeding blocks 1010 rotate, they will contact the copper wire 6, at the moment of contact, the feeding blocks 1010 will move away from the copper wire 6 and compress the second pre-compression spring 1011, so that the feeding blocks 1010 flexibly contact the copper wire 6, avoiding hard contact and causing damage to the copper wire 6, after the feeding blocks 1010 are compressed, the two feeding blocks 1010 continue to contact the copper wire 6 and are further compressed, and the second pre-compression spring 1011 provides sufficient elastic force, so that the two feeding blocks 1010 clamp the copper wire 6, and the copper wire 6 is moved and fed by the rotation of the feeding blocks 1010.

[0039] The working principle of the present application is that before cold upsetting, the wire coil 5 is wound on the side of the center winding column 4, the copper wire 6 is drawn out from the inside of the wire coil 5, according to the size of the copper wire 6, the adjusting wheel 903 is rotated, the threaded rod 902 is rotated when the adjusting wheel 903 is rotated, the threaded rod 902 is reversed when the threaded rod 902 is reversed, the threaded rod 902 is moved up and down when the threaded rod 902 is reversed, when the tapered block 904 moves up, the limiting ball 1003 in contact with the side of the tapered block 904 moves outward and compresses the first pre-compression spring 1005, the limiting ball 1003 moves through the connecting rod 1002 to drive the limiting frame 1006 to move, the limiting frame 1006 moves through the moving rod 1009 and the second pre-compression spring 1011 to drive the feeding block 1010 to move, when the tapered block 904 moves down, the limiting ball 1003 in contact with the tapered block 904 is not pushed outward by the tapered block 904, the compressed first pre-compression spring 1005 resets, so that the limiting ball 1003 moves inward, so that the distance between the two feeding blocks 1010 in the two feeding mechanisms 10 on one side of the top end of the workbench 7 changes, and the copper wire 6 of different sizes is adapted;

[0040] When the feeding mechanism 10 is adapted to the copper wire 6 of different sizes, the copper wire 6 passes through the feeding block 1010 and the straightening roller 12, the servo motor 801 is started, the output shaft 802 is rotated when the servo motor 801 is started, the output gear 803 is rotated when the output shaft 802 is rotated, the rotating gear set 805 is rotated through the transmission gear 804 when the output gear 803 is rotated, the two rotating discs 901 above the output gear 803 and the rotating gear set 805 are rotated when the output gear 803 and the rotating gear set 805 are rotated, and the synchronous wheel 806 is rotated when the output shaft 802 is rotated, the synchronous belt 807 is rotated when the synchronous wheel 806 is rotated, so that the two rotating discs 901 on the other side of the workbench 7 are synchronously rotated, at this time, the two rotating discs 901 on both sides of the workbench 7 are synchronously rotated;

[0041] When the two rotating discs 901 on each side rotate, the rotating disc 901 drives the supporting rod 907 to rotate, the supporting rod 907 drives the rotating ring 1001 to rotate when rotating, the rotating ring 1001 drives the connecting rod 1002 to rotate when rotating, and then the limiting frame 1006, the moving rod 1009 and the feeding block 1010 are rotated, the two feeding blocks 1010 in the two feeding mechanisms 10 rotate and contact the copper wire 6, the feeding block 1010 moves away from the copper wire 6 and compresses the second pre-compression spring 1011 when just contacting, so that the feeding block 1010 and the copper wire 6 are in flexible contact, avoiding hard contact to damage the copper wire 6, the feeding block 1010 is compressed, at this time the two feeding blocks 1010 continue to contact the copper wire 6 and are compressed again, the second pre-compression spring 1011 provides sufficient elastic force, so that the two feeding blocks 1010 clamp the copper wire 6, and the copper wire 6 is moved and fed by the rotation of the feeding block 1010;

[0042] When the copper wire 6 is sent to the feeding mechanism 10 and between the upper and lower groups of straightening rollers 12, the straightening roller 12 contacts the copper wire 6 through the rubber ring 13, so that the copper wire 6 is not damaged when being straightened, and the copper wire 6 straightened by the straightening roller 12 is sent to the cold header for cutting and cold heading processing.

[0043] Finally: the above is only the preferred embodiment of the present application and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. An automatic feeding device suitable for a cold header, comprising a fixed base (1), characterized in that: The fixed base (1) is fixedly connected with a rotating column (2), the top end of the rotating column (2) is movably connected with a support table (3), the middle part of the top end of the support table (3) is fixedly connected with a center winding column (4), the side surface of the center winding column (4) is wound with a wire coil (5), the side surface of the wire coil (5) is fixedly connected with a copper wire (6), the two sides of the copper wire (6) are movably connected with a feeding mechanism (10), the inside of the feeding mechanism (10) is movably connected with an adjusting mechanism (9), the bottom end of the adjusting mechanism (9) is movably connected with a workbench (7), the inside of the workbench (7) is movably connected with a power mechanism (8), the power mechanism (8) controls the rotation of the adjusting mechanism (9) and the feeding mechanism (10), the adjusting mechanism (9) adjusts the distance between the feeding mechanisms (10), and the feeding mechanism (10) clamps the copper wire (6) and drives the copper wire (6) to move for feeding; The feeding mechanism (10) includes a rotating ring (1001) fixedly connected with the adjusting mechanism (9), the inside of the rotating ring (1001) is movably connected with a connecting rod (1002), the connecting rod (1002) is fixedly connected with a limiting ball (1003) inside the rotating ring (1001), the diameter of the limiting ball (1003) is greater than the diameter of the connecting rod (1002), and the number of the connecting rods (1002) is twelve; The inside of the rotating ring (1001) is fixedly connected with a backing plate (1004), the backing plate (1004) is located outside the connecting rod (1002) and is movably connected with the connecting rod (1002), a first pre-pressing spring (1005) is movably connected on the connecting rod (1002), the first pre-pressing spring (1005) is located between the limiting ball (1003) and the backing plate (1004), and the side surface of the backing plate (1004) close to the limiting ball (1003) is a plane; The side surface of the connecting rod (1002) outside the rotating ring (1001) is fixedly connected with a limiting frame (1006), the side surface of the limiting frame (1006) close to the limiting ball (1003) is fixedly connected with a limiting rod (1007), the inside of the limiting frame (1006) is movably connected with a cross plate (1008), and the side surface of the cross plate (1008) away from the backing plate (1004) is fixedly connected with a moving rod (1009); The side surface of the moving rod (1009) away from the cross plate (1008) is fixedly connected with a feeding block (1010), the side surface of the feeding block (1010) is movably connected with a second pre-pressing spring (1011), and the second pre-pressing spring (1011) is located between the limiting frame (1006) and the feeding block (1010). The adjusting mechanism (9) comprises a rotating disc (901) rotating with the power mechanism (8), a threaded rod (902) movably connected to the center of the top end of the rotating disc (901), a tapered block (904) threadedly connected to the threaded rod (902), an adjusting wheel (903) fixedly connected to the top end of the tapered block (904), and a connecting disc (905) fixedly connected to the bottom end of the tapered block (904). A threaded groove matched with the threaded rod (902) is formed in the inside of the connecting disc (905), a limiting column (906) is movably connected to the inside of the connecting disc (905), the bottom end of the limiting column (906) is fixedly connected to the top end of the rotating disc (901), a supporting rod (907) is fixedly connected to the top end of the rotating disc (901), and the top end of the supporting rod (907) is fixedly connected to the bottom end of a rotating ring (1001) in the feeding mechanism (10).

2. An automatic feeding device for a cold header as claimed in claim 1, characterized in that: Two adjusting mechanisms (9) and a feeding mechanism (10) are arranged on the top end of each side of the workbench (7), two feeding mechanisms (10) on each side are used for feeding, a rubber ring (13) is arranged on the side of the copper wire (6) away from the wire coil (5), a straightening roller (12) is fixedly connected to the inside of the rubber ring (13), an output machine table (11) is movably connected to the side of the straightening roller (12), and the straightening roller (12) drives the rubber ring (13) to rotate to straighten the copper wire (6).

3. An automatic feeding device for a cold header as claimed in claim 1, characterized in that: The power mechanism (8) comprises a servo motor (801) providing power, an output shaft (802) fixedly connected to the top end of the servo motor (801), an output gear (803) fixedly connected to the output shaft (802), a transmission gear (804) engaged with the side of the output gear (803), a rotating gear set (805) engaged with the side of the transmission gear (804) away from the output gear (803), and the output shaft (802) and the connecting disc (905) drive the rotating disc (901) in the adjusting mechanism (9) to rotate.

4. An automatic feeding device for a cold header as claimed in claim 3, characterized in that: A synchronous wheel (806) is fixedly connected to the bottom end of the output shaft (802), a synchronous belt (807) is engaged with the side of the synchronous wheel (806), the two sides of the synchronous belt (807) are the same in structure, and the adjusting mechanisms (9) on the two sides of the top end of the workbench (7) rotate synchronously.

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