CN219851873U - Wire feeding and cutting device - Google Patents

Abstract

The utility model discloses a wire feeding and cutting device which comprises a frame, a conveying assembly, an adjusting assembly, a measuring assembly and a cutting assembly, wherein the frame is provided with a wire feeding and cutting device; the conveying assembly is arranged on the frame and comprises a first driving structure and a roller group, the roller group comprises a first roller and a second roller, the first driving structure is connected with at least one of the first roller and the second roller, and the roller group can drive wires to move under the driving of the first driving structure; the adjusting component is arranged on the frame and comprises an adjusting structure and an elastic connecting structure, and two ends of the elastic connecting structure are respectively connected with the adjusting structure and the mounting piece. When the staff needs to be threaded in the roller set, the staff can be through adjusting the adjusting structure to make first gyro wheel and second gyro wheel can mutually separate, and then can have sufficient space for the staff to thread between first gyro wheel and the second gyro wheel.

Description

Wire feeding and cutting device

Technical Field

The utility model relates to the technical field of wire processing, in particular to a wire feeding and cutting device.

Background

The wire is an indispensable carrier for transmitting signals and delivering electric energy, in the production process of the data wire, the wire is required to be cut to a fixed length to form a wire section, and then connecting ports are welded at two ends of each wire section to form the data wire. Wire feeding and cutting device in the related art conveys wires through conveying roller groups, but before the wire feeding and cutting device starts to work, a worker is required to manually pass the wires through the conveying roller groups, a gap between two rollers of the conveying roller groups is small, and the threading operation of the worker is difficult.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a wire feeding and cutting device convenient for workers to thread.

The wire feeding and cutting device provided by the embodiment of the utility model comprises a rack, a conveying assembly, an adjusting assembly, a measuring assembly and a cutting assembly; the conveying assembly is arranged on the frame and comprises a first driving structure and a roller group, the roller group comprises a first roller and a second roller, the first driving structure is connected with at least one of the first roller and the second roller, and the roller group can drive wires to move under the driving of the first driving structure; the adjusting component is arranged on the frame and comprises an adjusting structure and an elastic connecting structure, two ends of the elastic connecting structure are respectively connected with the adjusting structure and the first roller, the elastic connecting structure is used for providing elastic force for enabling the first roller to keep abutting against the second roller, and the adjusting structure is used for adjusting the distance between the first roller and the second roller; the measuring assembly is arranged on the frame and is used for measuring the moving distance of the wire rod; the cutting assembly is arranged on the frame, is positioned at the rear side of the conveying assembly along the conveying direction of the wire rod, is electrically connected with the measuring assembly and is used for cutting the wire rod in a fixed length.

The wire feeding and cutting device has the following advantages: the conveying assembly comprises a roller group, the cutting assembly is arranged at the rear side of the conveying assembly along the conveying direction of the wire rod, and the roller group can convey the wire rod to the cutting assembly for cutting; the adjusting component comprises an adjusting structure and an elastic connecting structure, wherein two ends of the elastic connecting structure are respectively connected with the adjusting structure and the first roller, when a worker needs to thread in the roller set, the worker can adjust the distance between the first roller and the second roller through the adjusting structure, so that enough space is reserved between the first roller and the second roller for the worker to thread, after the worker threads, the worker can reset the two rollers of the roller set through the adjusting structure, and under the elastic action of the elastic connecting structure, the first roller and the second roller can be clung to a wire, so that the probability of slipping between the wire and the roller set is reduced.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the adjusting structure comprises the driving piece and the transmission piece, one end of the driving piece is rotatably connected with the frame, one end of the transmission piece is rotatably connected with the driving piece, the other end of the transmission piece is connected with the elastic connection structure, and the driving piece can rotate around the frame so that the elastic connection structure can drive the first roller to be far away from or close to the second roller.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the adjusting structure comprises the adjusting screw rod and the hand wheel, the adjusting screw rod is threaded on the frame in a penetrating way, and two ends of the adjusting screw rod are respectively connected with the hand wheel and the elastic connecting structure.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the elastic connecting structure comprises the elastic piece and the mounting piece, the mounting piece is slidably arranged on the frame, the first roller is rotatably arranged on the mounting piece, the second roller is rotatably arranged on the frame, and two ends of the elastic piece are respectively connected with the adjusting structure and the mounting piece.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the measuring assembly comprises the encoder, the encoder is arranged on the mounting piece, and the rotating shaft of the encoder is fixedly connected with the first roller.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the wire feeding and cutting device further comprises a heating component, wherein the heating component is arranged on the frame and is electrically connected with the measuring component, and the heating component is positioned at the front side of the cutting component along the conveying direction of the wire and is used for heating the wire.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the heating assembly comprises a heating source, a second driving structure and two pressing blocks, wherein the heating source is arranged on each of the two pressing blocks, a first groove is arranged on one side, close to each other, of each of the two pressing blocks, a heating area for heating a wire rod is formed between the groove walls of the two first grooves, the second driving structure is connected with at least one of the two pressing blocks, and the two pressing blocks can be close to or far away from each other under the driving of the second driving structure.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the wire feeding and cutting device further comprises a bending assembly, the bending assembly is arranged at the rear side of the cutting assembly along the conveying direction of the wire, the bending assembly comprises a third driving structure and a clamping structure, the output end of the third driving structure is connected with the clamping structure, and the third driving structure is used for driving the clamping structure to clamp the end part of the wire and driving the clamping structure to drive the end part of the wire to rotate by a certain angle.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the wire feeding and cutting device further comprises a guide assembly, the guide assembly is arranged between the bending assembly and the cutting assembly, the guide assembly comprises a fourth driving structure and two clamping blocks, one sides of the two clamping blocks, which are close to each other, are respectively provided with a second groove, the fourth driving structure is connected with at least one of the two clamping blocks, and the two clamping blocks can be close to each other under the driving of the fourth driving structure, so that a guide channel can be formed between the walls of the two second grooves, and the guide channel allows wires to pass through.

According to the wire feeding and cutting device provided by the embodiment of the utility model, the wire feeding and cutting device further comprises a clamping jig, a first fixing position and a second fixing position are arranged on the clamping jig, a first fixing structure is arranged on the first fixing position, a second fixing structure is arranged on the second fixing position, the first fixing position corresponds to the position of the clamping structure before rotation, the second fixing position corresponds to the position of the clamping structure after rotation, and the first fixing structure and the second fixing structure are respectively used for clamping two ends of a cut wire rod.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described below with reference to the drawings and examples;

fig. 1 is a schematic structural view of a wire feeding and cutting device according to an embodiment of the present utility model;

fig. 2 is a partial enlarged view of a structure at a of the wire feeding and cutting device shown in fig. 1;

fig. 3 is a partial enlarged view of a structure at B of the wire feeding and cutting device shown in fig. 1;

FIG. 4 is a schematic view of the wire feeding and cutting device shown in FIG. 1 from another view angle;

fig. 5 is a partial enlarged view of a structure at C of the wire feeding and cutting device shown in fig. 4.

Reference numerals:

a frame 100; a guide tube 110;

a transport assembly 200; a first drive structure 210; a roller set 220; a first roller 221; a second roller 222;

an adjustment assembly 300; an adjustment structure 310; a driving member 311; a driving section 311a; a connection section 311b; a transmission section 311c; a transmission member 312; an elastic connection structure 320; an elastic member 321; a mounting member 322;

a measurement assembly 400; an encoder 410;

a cutting assembly 500;

a heating assembly 600; a second drive structure 610; a briquette 620; a first recess 621;

bending assembly 700; a third drive structure 710; a first cylinder 711; a second cylinder 712; a clamping structure 720;

a guide assembly 800; a fourth drive structure 810; clamp block 820.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The wire feeding and cutting device of the present utility model will be described in detail with reference to fig. 1 to 5.

Referring to fig. 1 and 4, the wire feeding and cutting apparatus according to an embodiment of the present utility model includes a frame 100, a conveying assembly 200, an adjusting assembly 300, a measuring assembly 400, and a cutting assembly 500.

The conveying assembly 200 is arranged on the frame 100, the conveying assembly 200 comprises a first driving structure 210 and a roller group 220, the roller group 220 comprises a first roller 221 and a second roller 222, the first driving structure 210 is connected with at least one of the first roller 221 and the second roller 222, and the roller group 220 can drive wires to move under the driving of the first driving structure 210; the adjusting assembly 300 is arranged on the frame 100, the adjusting assembly 300 comprises an adjusting structure 310 and an elastic connecting structure 320, two ends of the elastic connecting structure 320 are respectively connected with the adjusting structure 310 and the first roller 221, the elastic connecting structure 320 is used for providing elastic force for enabling the first roller 221 to keep abutting against the second roller 222, and the adjusting structure 310 is used for adjusting the distance between the first roller 221 and the second roller 222; the measuring assembly 400 is arranged on the frame 100, and the measuring assembly 400 is used for measuring the moving distance of the wire rod; the cutting assembly 500 is disposed on the frame 100, along the conveying direction of the wire, the cutting assembly 500 is disposed at the rear side of the conveying assembly 200, and the cutting assembly 500 is electrically connected with the measuring assembly 400 and is used for cutting the wire in a fixed length.

For example, as shown in fig. 1 and 4, in the case that the conveying assembly 200 and the cutting assembly 500 are both provided on the frame 100, and the cutting assembly 500 may be located at the rear side of the conveying assembly 200, the conveying assembly 200 may include a first driving structure 210 and a roller set 220; the adjustment assembly 300 includes an adjustment structure 310 and an elastic connection structure 320, an upper end of the elastic connection structure 320 may be connected with the adjustment structure 310, and a lower end of the elastic connection structure 320 may be connected with the first roller 221. When the wire feeding and cutting device works, a worker can adjust the distance between the first roller 221 and the second roller 222 through the adjusting structure 310, so that enough space is reserved between the first roller 221 and the second roller 222 for the worker to insert wires, after the wires are inserted, the worker adjusts the adjusting structure 310, so that the first roller 221 is reset, the first roller 221 and the second roller 222 can be tightly attached to the wires under the elastic action of the elastic connecting structure 320, and the roller group 220 can drive the wires to move backwards under the driving of the first driving structure 210; the measuring assembly 400 can measure the wire, and the cutting assembly 500 can cut the wire after the wire moves by a preset length to form a wire segment to be processed. The arrangement of the adjusting structure 310 enables a worker to control the adjusting structure 310 to increase the distance between the first roller 221 and the second roller 222 during threading, so as to facilitate the threading operation of the worker; the elastic connection structure 320 is disposed such that the first roller 221 and the second roller 222 can be tightly attached to the wire, so as to reduce the probability of slipping between the wire and the roller set 220.

In some embodiments of the present utility model, the adjusting structure 310 includes a driving member 311 and a transmission member 312, one end of the driving member 311 is rotatably connected to the frame 100, one end of the transmission member 312 is rotatably connected to the driving member 311, the other end of the transmission member 312 is connected to the elastic connection structure 320, and the driving member 311 can rotate around the frame 100, so that the elastic connection structure 320 can drive the first roller 221 to be far away from or near the second roller 222. For example, as shown in fig. 5, the driving member 311 may include a driving section 311a, a connection section 311b, and a transmission section 311c, the transmission section 311c being located between the driving section 311a and the connection section 311b, the connection section 311b being rotatably connected with the frame 100, the transmission section 311c being rotatably connected with an upper end of the transmission member 312, and a lower end of the transmission member 312 being connected with an upper end of the elastic connection structure 320. The operator can adjust the driving section 311a to rotate upwards around the connecting section 311b, so that the driving section 311c can drive the driving member 312 to move upwards, and the driving member 312 can drive the first roller 221 to move upwards through the elastic connecting structure 320, and at this time, the first roller 221 can be far away from the second roller 222; the operator can adjust the driving section 311a to rotate downwards around the connecting section 311b, so that the driving section 311c can drive the driving member 312 to move downwards, and the driving member 312 can drive the first roller 221 to move downwards through the elastic connecting structure 320, and at this time, the first roller 221 can be close to the second roller 222.

In other embodiments of the present utility model, the adjusting structure 310 includes an adjusting screw and a hand wheel, the adjusting screw is threaded through the frame 100, and two ends of the adjusting screw are respectively connected with the hand wheel and the elastic connection structure 320. For example, the adjusting screw may extend in a vertical direction, and the adjusting screw is threaded through the frame 100, the upper end of the adjusting screw is connected with the hand wheel, and the lower end of the adjusting screw is connected with the upper end of the elastic connection structure 320. The staff can be through rotatory hand wheel to make the hand wheel can drive accommodate the lead screw and do elevating movement, and then accommodate the lead screw and can drive first gyro wheel 221 through elastic connection structure 320 and do elevating movement, so that first gyro wheel 221 can be close to or keep away from second gyro wheel 222.

In some embodiments of the present utility model, the elastic connection structure 320 includes an elastic member 321 and a mounting member 322, the mounting member 322 is slidably disposed on the frame 100, the first roller 221 is rotatably disposed on the mounting member 322, the second roller 222 is rotatably disposed on the frame 100, and two ends of the elastic member 321 are respectively connected to the adjusting structure 310 and the mounting member 322. For example, as shown in fig. 5, the elastic connection structure 320 includes an elastic member 321 and a mounting member 322, the mounting member 322 is slidably disposed on the frame 100 along a vertical direction, the elastic member 321 may be a spring, upper and lower ends of the spring are respectively connected with the transmission member 312 and the mounting member 322, and the first roller 221 is rotatably disposed on the mounting member 322. Under the action of the elastic force of the spring, the mounting piece 322 can drive the first roller 221 to downwards abut against the second roller 222, and then when a wire rod is arranged between the first roller 221 and the second roller 222 in a penetrating way, the first roller 221 and the second roller 222 can keep close to the wire rod, so that the probability of slipping between the wire rod and the roller set 220 is reduced.

Further, referring to fig. 4 and 5, the measuring assembly 400 includes an encoder 410, the encoder 410 is disposed on the mounting member 322, and a rotating shaft of the encoder 410 is fixedly connected with the first roller 221 on the mounting member 322. Under the elastic force of the elastic piece 321, the first roller 221 can be tightly attached to the wire, the circumference of the first roller 221 is fixed, and then a mapping relationship exists between the rotation number of the first roller 221 and the moving distance of the wire, and the encoder 410 can calculate the moving distance of the wire according to the mapping relationship between the rotation number of the first roller 221 and the moving distance of the wire by acquiring the rotation number of the first roller 221, so that the measuring assembly 400 is electrically connected with the cutting assembly 500, and the cutting assembly 500 can cut off the wire according to the measuring result of the measuring assembly 400 when the wire moves by a preset distance.

Further, referring to fig. 1, the conveying assembly 200 may include three sets of roller sets 220 and two mounting members 322, the three sets of roller sets 220 are arranged along a front-rear direction, the two mounting members 322 are arranged along the front-rear direction, the first rollers 221 of the two sets of roller sets 220 located at the rear side are all disposed on one mounting member 322, the first driving structure 210 includes a motor, the motor is connected with the first rollers 221 of the two sets of roller sets 220 located at the rear side through driving belts, and the encoder 410 is disposed on the mounting member 322 located at the front side. The two roller sets 220 at the rear side can drive the wires to move after each other, the roller set 220 at the front side can guide the wires, and the encoder 410 on the mounting piece 322 at the front side can measure the moving distance of the wires.

In some embodiments of the present utility model, referring to fig. 1, the wire feeding and cutting device further includes a heating assembly 600, the heating assembly 600 is disposed on the frame 100, the heating assembly 600 is electrically connected to the measuring assembly 400, the heating assembly 600 is located at a front side of the cutting assembly 500 along a conveying direction of the wire, and the heating assembly 600 is used for heating the wire. After the measuring assembly 400 measures the movement of the wire by a preset distance, the heating assembly 600 can heat the wire. After the wire rod of partial type is cut, the outer skin and the inner skin at the cutting port of the wire rod can be separated, so that the movement of the wire rod is affected, and the heating assembly 600 is arranged to heat the wire rod, so that the inner skin and the outer skin of the heating area on the wire rod are fused together, and the problem that the inner skin and the outer skin of the wire rod are separated after the heating area on the wire rod is cut is solved.

Specifically, the heating assembly 600 includes a heating source, a second driving structure 610 and two pressing blocks 620, the two pressing blocks 620 are provided with the heating source, a first groove 621 is formed on one side of the two pressing blocks 620 close to each other, a heating area for heating the wire is formed between the groove walls of the two first grooves 621, the second driving structure 610 is connected with at least one of the two pressing blocks 620, and the two pressing blocks 620 can be close to or far away from each other under the driving of the second driving structure 610. For example, as shown in fig. 1, 2 and 4, the heating assembly 600 includes a heating source, a second driving structure 610 and two pressing blocks 620, the heating source may be a heating rod, the two pressing blocks 620 may be arranged along a vertical direction, each pressing block 620 may be penetrated with the heating rod, a first groove 621 is disposed at a lower end of the pressing block 620 located above, a first groove 621 is disposed at an upper end of the pressing block 620 located below, the two first grooves 621 are disposed opposite to each other, a heating area is formed between groove walls of the two first grooves 621, and the second driving structure 610 is connected with the two pressing blocks 620 respectively. When the measuring assembly 400 detects that the wire moves by the preset distance, the measuring assembly 400 can transmit information to the heating assembly 600, and at this time, the second driving structure 610 can drive the two pressing blocks 620 to approach each other, so that the groove walls of the two first grooves 621 can be tightly attached to the surface of the wire to heat the wire.

In some embodiments of the present utility model, a guide tube 110 is further provided on the frame 100, and the guide tube 110 is provided on a conveying path of the wire and serves to guide movement of the wire. For example, as shown in fig. 1 and 2, the guide tube 110 may be extended in the front-rear direction, the guide tube 110 may be provided between the heating assembly 600 and the roller set 220, and the guide tube 110 may be provided between the roller set 220 and the cutter assembly 500. Through setting up stand pipe 110, stand pipe 110 can play the guide effect to the wire rod, has reduced the degree of difficulty that the staff carries out the threading on sending line cutting device.

In some embodiments of the present utility model, the wire feeding and cutting device further includes a bending assembly 700, the bending assembly 700 is disposed at a rear side of the cutting assembly 500 along a conveying direction of the wire, the bending assembly 700 includes a third driving structure 710 and a clamping structure 720, an output end of the third driving structure 710 is connected to the clamping structure 720, and the third driving structure 710 is used for driving the clamping structure 720 to clamp an end of the wire, and driving the clamping structure 720 to rotate the end of the wire by a certain angle. For example, as shown in fig. 1, 3 and 4, the third driving structure 710 includes a first cylinder 711 and a second cylinder 712, the clamping structure 720 includes two clamping jaws, the two clamping jaws are distributed along the left-right direction, the output end of the first cylinder 711 is connected with the second cylinder 712, the output end of the second cylinder 712 is connected with the two clamping jaws, the two clamping jaws can be close to or far away from each other under the driving of the second cylinder 712 so as to clamp or unclamp a wire, the second cylinder 712 can rotate for a certain angle under the driving of the first cylinder 711, and then the clamping structure 720 can drive the end of the wire to rotate for a certain angle so as to bend the wire.

Further, referring to fig. 1 and 3, the wire feeding and cutting device further includes a guide assembly 800, the guide assembly 800 is disposed between the bending assembly 700 and the cutting assembly 500, the guide assembly 800 includes a fourth driving structure 810 and two clamping blocks 820, one side of the two clamping blocks 820, which are close to each other, is provided with a second groove, the fourth driving structure 810 is connected with at least one of the two clamping blocks 820, and the two clamping blocks 820 can be close to each other under the driving of the fourth driving structure 810, so that a guide channel can be formed between the groove walls of the two second grooves, and the guide channel allows wires to pass through. By providing the guide assembly 800, the guide assembly 800 can guide the wire, and after the cutting assembly 500 cuts the wire, the subsequent wire can be accurately clamped by the clamping structure 720 under the action of the guide assembly 800.

Further, the wire feeding and cutting device further comprises a clamping jig, a first fixed position and a second fixed position are arranged on the clamping jig, a first fixed structure is arranged on the first fixed position, a second fixed structure is arranged on the second fixed position, the first fixed position corresponds to the position of the clamping structure 720 before rotation, the second fixed position corresponds to the position of the clamping structure 720 after rotation, and the first fixed structure and the second fixed structure are respectively used for clamping two ends of a cut wire. Under the work of the bending assembly 700, the wire rod can be bent, and then, the first fixing structure and the second fixing structure can clamp and fix the wire rod, and then, the cutting assembly 500 can cut the wire rod, and at the moment, the cut wire rod can be kept in a bent state for subsequent processing. Through setting up clamping tool, clamping tool can fix the wire rod after bending to prevent the resilience of wire rod after bending.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A wire feeding and cutting device, comprising:

a frame (100);

the conveying assembly (200) is arranged on the frame (100), the conveying assembly (200) comprises a first driving structure (210) and a roller group (220), the roller group (220) comprises a first roller (221) and a second roller (222), the first driving structure (210) is connected with at least one of the first roller (221) and the second roller (222), under the driving of the first driving structure (210),

the roller group (220) can drive the wire rod to move;

the adjusting assembly (300) is arranged on the frame (100), the adjusting assembly (300) comprises an adjusting structure (310) and an elastic connecting structure (320), two ends of the elastic connecting structure (320) are respectively connected with the adjusting structure (310) and the first roller (221), the elastic connecting structure (320) is used for providing elastic force for enabling the first roller (221) to be kept in contact with the second roller (222), and the adjusting structure (310) is used for adjusting the distance between the first roller (221) and the second roller (222);

the measuring assembly (400) is arranged on the frame (100), and the measuring assembly (400) is used for measuring the moving distance of the wire rod;

the cutting assembly (500) is arranged on the frame (100) along the conveying direction of the wire rod, the cutting assembly (500) is positioned at the rear side of the conveying assembly (200), and the cutting assembly (500) is electrically connected with the measuring assembly (400) and is used for cutting the wire rod in a fixed length.

2. The wire feeding and cutting device according to claim 1, wherein the adjusting structure (310) comprises a driving member (311) and a transmission member (312), one end of the driving member (311) is rotatably connected with the frame (100), one end of the transmission member (312) is rotatably connected with the driving member (311), the other end of the transmission member (312) is connected with the elastic connection structure (320), and the driving member (311) can rotate around the frame (100) so that the elastic connection structure (320) can drive the first roller (221) to be far away from or close to the second roller (222).

3. The wire feeding and cutting device according to claim 1, wherein the adjusting structure (310) comprises an adjusting screw and a hand wheel, the adjusting screw is threaded on the frame (100),

and two ends of the adjusting screw rod are respectively connected with the hand wheel and the elastic connecting structure (320).

4. The wire feeding and cutting device according to claim 1, wherein the elastic connecting structure (320) comprises an elastic member (321) and a mounting member (322), the mounting member (322) is slidably arranged on the frame, the first roller is rotatably arranged on the mounting member (322), the second roller is rotatably arranged on the frame, and two ends of the elastic member (321) are respectively connected with the adjusting structure (310) and the mounting member (322).

5. A wire feeding and cutting device according to claim 4, wherein the measuring assembly (400) comprises an encoder (410), the encoder (410) being provided on the mounting member (322),

and the rotating shaft of the encoder (410) is fixedly connected with the first roller (221).

6. The wire feeding and cutting device according to claim 1, further comprising a heating assembly (600), wherein the heating assembly (600) is arranged on the frame (100), the heating assembly (600) is electrically connected with the measuring assembly (400), the heating assembly (600) is positioned at the front side of the cutting assembly (500) along the conveying direction of the wire, and the heating assembly (600) is used for heating the wire.

7. The wire feeding and cutting device according to claim 6, wherein the heating assembly (600) comprises a heating source, a second driving structure (610) and two pressing blocks (620), wherein the two pressing blocks (620) are respectively provided with the heating source, a first groove (621) is respectively formed on one side, close to each other, of each pressing block (620), a heating area for heating a wire is formed between groove walls of the two first grooves (621), the second driving structure (610) is connected with at least one of the two pressing blocks (620), and the two pressing blocks (620) can be close to each other or far away from each other under the driving of the second driving structure (610).

8. The wire feeding and cutting device according to claim 1, further comprising a bending assembly (700), wherein the bending assembly (700) is arranged at the rear side of the cutting assembly (500) along the conveying direction of the wire, the bending assembly (700) comprises a third driving structure (710) and a clamping structure (720), an output end of the third driving structure (710) is connected with the clamping structure (720), and the third driving structure (710) is used for driving the clamping structure (720) to clamp the end portion of the wire and driving the clamping structure (720) to rotate the end portion of the wire by a certain angle.

9. The wire feeding and cutting device according to claim 8, further comprising a guide assembly (800), wherein the guide assembly (800) is arranged between the bending assembly (700) and the cutting assembly (500), the guide assembly (800) comprises a fourth driving structure (810) and two clamping blocks (820), one side, close to each other, of each clamping block (820) is provided with a second groove, the fourth driving structure (810) is connected with at least one of the two clamping blocks (820), and the two clamping blocks (820) can be mutually close to each other under the driving of the fourth driving structure (810), so that a guide channel can be formed between the groove walls of the two second grooves, and the guide channel allows wires to pass through.

10. The wire feeding and cutting device according to claim 8, further comprising a clamping jig, wherein a first fixing position and a second fixing position are arranged on the clamping jig, a first fixing structure is arranged on the first fixing position, a second fixing structure is arranged on the second fixing position, the first fixing position corresponds to the position of the clamping structure (720) before rotation, the second fixing position corresponds to the position of the clamping structure (720) after rotation, and the first fixing structure and the second fixing structure are respectively used for clamping two ends of a cut wire.