CN222989441U - Wire reel fixing device - Google Patents

Abstract

The utility model provides a welding wire reel fixing device which comprises a machine tool body, a driving reel mechanism arranged at one end of the machine tool body and a driven reel mechanism arranged at the other end of the machine tool body, wherein the driven reel mechanism is arranged corresponding to the driving reel mechanism, the driving reel mechanism comprises a driving turntable rotatably arranged on the machine tool body and a power assembly for driving the driving turntable to rotate, one end of the driving turntable, facing the driven reel mechanism, is provided with a driving shaft capable of being matched with a welding wire reel, the driving shaft is provided with a blind rivet, and the driven reel mechanism comprises an equipment frame slidably arranged on the machine tool body and a driven turntable rotatably arranged on the equipment frame. The wire reel fixing device has the advantages of being easy to use and maintain, can be suitable for positioning the wire reel during wire reel layer winding, has good positioning effect, is beneficial to improving the stability of the wire reel during layer winding of the welding wire, and ensures the layer winding effect of the welding wire.

Description

Wire reel fixing device

Technical Field

The utility model belongs to the technical field of welding wire production equipment, and particularly relates to a welding wire reel fixing device.

Background

At present, the prior interlayer winding process comprises the following steps of winding welding wires until the welding wires are wound to a full coil, cutting the welding wires, loosening a nut by a spanner, unloading the nut by a hand, unloading the coil wound with the welding wires, then installing a wire winding shaft on an empty coil, installing a baffle, screwing a screw by a hand for a few circles, and continuing to repeatedly wind wires after the screw is screwed by a plate, wherein the efficiency is lower due to the common manual operation.

The utility model patent of China of current application number CN201821647852.X provides a wire reel automatic rotation positioning device, which comprises a base, both sides all have the linear slide rail through bolt fixed mounting around the top of base, two the top of linear slide rail all slides with the bottom joint of carriage, both ends are controlled through bolt fixed mounting to the bottom of base have the rodless jar, the outer wall sliding connection of rodless jar has the movable block, and the movable block passes through bolt and the preceding lateral wall fixed connection of carriage, both ends all have the mounting panel through bolt fixed mounting about the top of carriage, this kind of wire reel automatic rotation positioning device, reasonable in design, easy operation, production efficiency is high, has reduced the cost of labor.

But current positioner lacks the central limit to the wire reel, and because do not distinguish initiative and driven carousel, when the drive wire reel rotates and carries out the layer around, wire reel pivoted stability is not good, is unfavorable for improving the layer around effect of welding wire. In addition, the existing positioning device lacks of limiting and fixing the wire reel, and after the layer winding of the wire reel is completed, when the welding wire is sheared or bent, the stability of the wire reel is poor, and the layer winding effect of the welding wire is not improved.

Disclosure of utility model

In view of the above, the present utility model aims to provide a wire reel fixing device, so as to solve the problem that the existing wire reel positioning device has poor positioning effect on the wire reel and affects the winding effect of the wire layer.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

The welding wire disc fixing device comprises a machine tool body, a driving disc mechanism arranged at one end of the machine tool body and a driven disc mechanism arranged at the other end of the machine tool body, wherein the driven disc mechanism is arranged corresponding to the driving disc mechanism;

The driving disc mechanism comprises a driving turntable and a power assembly, the driving turntable is rotatably arranged on the machine tool body, the power assembly is used for driving the driving turntable to rotate, one end of the driving turntable, which faces the driven disc mechanism, is provided with a driving shaft which can be matched with the welding wire disc, and the driving shaft is provided with a blind rivet;

The driven disc mechanism comprises an equipment frame and a driven turntable, wherein the equipment frame is arranged on a machine tool body in a sliding mode, the driven turntable is arranged on the equipment frame in a rotating mode, the moving direction of the equipment frame is identical to the length direction of a driving shaft, a driving assembly used for driving the equipment frame to slide is arranged on the machine tool body, the driven turntable and the driving turntable are coaxially arranged, one end, facing the driving turntable, of the driven turntable is provided with a positioning hole capable of being matched with the driving shaft, the other end of the driven turntable, corresponding to the positioning hole, is provided with a pull claw assembly capable of being matched with a pull nail, and clamping jaw assemblies used for limiting the rotation of the driven turntable are arranged at the left side and the right side of the equipment frame, corresponding to the driven turntable.

Further, the pull claw assembly comprises a cutter beating cylinder arranged on the equipment rack, and a pull claw capable of being matched with the pull nail is arranged at one end of the cutter beating cylinder extending into the positioning hole.

Further, be equipped with the taper sleeve that is used for installing driven carousel on the equipment frame, driven carousel rotates to be installed on the taper sleeve, and driven carousel stretches into the one end of taper sleeve and is equipped with taper sleeve complex conical surface portion, the minor diameter end of conical surface portion sets up towards the driving shaft.

Furthermore, one end of the cutter striking cylinder extending into the taper sleeve is connected with the pull claw through a connecting piece, the other end of the cutter striking cylinder is arranged on the taper sleeve, one end of the connecting piece is connected with the telescopic end of the cutter striking cylinder, and the other end of the connecting piece extends into the positioning hole and is connected with the pull claw.

Further, one end of the connecting piece facing the driven turntable is sleeved with an elastic element, the other end of the connecting piece is provided with a protruding portion, one end of the elastic element props against the driven turntable, and the other end of the elastic element props against the protruding portion.

Further, an assembling sleeve for accommodating the elastic element is arranged on the driven turntable and communicated with the positioning hole.

Further, the clamping jaw assembly comprises clamping jaws and a telescopic rod, the clamping jaws are rotatably arranged on the equipment rack, one end of the telescopic rod is rotatably arranged on the equipment rack, and the other end of the telescopic rod is rotatably connected with the clamping jaws.

Further, a guide groove for guiding the welding wire disc to move is arranged at a position, corresponding to the position between the driving disc mechanism and the driven disc mechanism, on the machine tool body, and a tray assembly for driving the welding wire disc to lift is arranged at a position, corresponding to the position below the guide groove, on the machine tool body.

Further, the tray assembly comprises a lifting column, the lifting column is vertically arranged on the machine tool body, and a tray matched with the welding wire disc is arranged at one end of the lifting column extending into the guide chute.

Compared with the prior art, the wire reel fixing device has the following advantages:

The wire reel fixing device has the advantages of being easy to use and maintain, can be suitable for positioning the wire reel during wire reel layer winding, has good positioning effect, is beneficial to improving the stability of the wire reel during layer winding of the welding wire, and ensures the layer winding effect of the welding wire. Through with equipment rack slidable mounting on the lathe body, utilize drive assembly to drive equipment rack and remove, can realize the cooperation of initiative carousel and driven carousel, not only can realize spacing fixed to the wire reel for the wire reel can be stably rotated along with initiative carousel under the spacing of driving shaft, but also can drive driven sabot and initiative carousel quick separation after the wire reel layer is around accomplishing, be convenient for operating personnel take off the wire reel, be favorable to reducing operating personnel's operation degree of difficulty, improve the layer around efficiency of wire reel. In addition, after the welding wire reel layer is wound, an operator can clamp and fix the driven turntable by using the clamping jaw assembly, so that the stability of the welding wire reel in welding wire cutting or bending operation is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a wire reel fixing device according to an embodiment of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of a structure of a wire reel fixture at a device rack according to an embodiment of the present utility model;

Fig. 4 is a cross-sectional view taken along the direction A-A in fig. 3.

Reference numerals illustrate:

1. A machine tool body; 2, a driving turntable, 3, a driving shaft, 4, a blind rivet, 5, a driven turntable, 6, a power assembly, 7, a tray, 8, a guide chute, 9, an equipment rack, 10, a telescopic rod, 11, a clamping jaw, 12, a tool driving cylinder, 13, a lifting column, 14, a driving assembly, 15, a positioning hole, 16, a pulling claw, 17, a connecting piece, 18, a taper sleeve, 19, a conical surface part, 20, an assembly kit, 21, an elastic element, 22 and an assembly ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The welding wire disc fixing device comprises a machine tool body 1, a driving disc mechanism arranged at one end of the machine tool body 1 and a driven disc mechanism arranged at the other end of the machine tool body 1, wherein the driven disc mechanism is arranged corresponding to the driving disc mechanism, as shown in fig. 1 to 4.

The driving disc mechanism comprises a driving rotary disc 2 and a power assembly 6, wherein the driving rotary disc 2 is rotatably arranged on the machine tool body 1, the power assembly 6 is used for driving the driving rotary disc 2 to rotate, one end, facing the driven disc mechanism, of the driving rotary disc 2 is provided with a driving shaft 3 which can be matched with the welding wire disc, and the driving shaft 3 is provided with a blind rivet 4. The driving turntable 2 may be rotatably mounted on the machine tool body 1 through a bearing, the power assembly 6 may be an existing driving motor, the driving motor may be connected with the driving turntable 2 through a belt transmission mechanism, and a person skilled in the art may select other suitable power assemblies 6 and transmission modes according to actual needs, so as to achieve driving of the driving turntable 2, which is not described herein.

In the practical application process, the driving shaft 3 and the blind rivet 4 can be in threaded connection so as to facilitate the assembly and replacement of the blind rivet 4, and the driving shaft 3 and the driving turntable 2 can also be in detachable connection, such as threaded connection. Through adopting detachable mode installation driving shaft 3, operating personnel can change suitable driving shaft 3 according to the specification of wire reel to ensure that driving shaft 3 can be stable to realize central location to the wire reel, improved the suitability of this kind of wire reel fixing device to different wire reels.

The driven disc mechanism comprises an equipment frame 9 and a driven rotary disc 5, wherein the equipment frame 9 is arranged on a machine tool body 1 in a sliding mode, the driven rotary disc 5 is arranged on the equipment frame 9 in a rotating mode, the moving direction of the equipment frame 9 is the same as the length direction of a driving shaft 3, a driving assembly 14 for driving the equipment frame 9 to slide is arranged on the machine tool body 1, the driven rotary disc 5 and the driving rotary disc 2 are coaxially arranged, a positioning hole 15 capable of being matched with the driving shaft 3 is formed in one end of the driven rotary disc 5, which faces the driving rotary disc 2, a pull claw assembly capable of being matched with a pull nail 4 is arranged at the position, corresponding to the positioning hole 15, of the other end of the driven rotary disc 5, and clamping jaw assemblies for limiting rotation of the driven rotary disc 5 are arranged at the left side and the right side of the equipment frame 9, corresponding to the driven rotary disc 5.

The driven turntable 5 is rotatably mounted on the equipment through a bearing, the equipment rack 9 can be slidably mounted on the machine tool body 1 through a linear sliding rail, and a person skilled in the art can select other modes to slidably mount the equipment rack 9 according to actual needs, which is not described herein. In addition, the driving assembly 14 may also adopt an existing electric push rod or telescopic cylinder, and the electric push rod or telescopic cylinder is utilized to drive the equipment rack 9 to slide along the linear sliding rail, which belongs to a common technical means for those skilled in the art, and therefore, will not be described herein again.

In the practical application process, the equipment rack 9 is slidably mounted on the machine tool body 1, the equipment rack 9 is driven to move by the driving assembly 14, so that the cooperation of the driving turntable 2 and the driven turntable 5 can be realized, the limit fixing of the wire reel can be realized, the wire reel can stably rotate along with the driving turntable 2 under the limit of the driving shaft 3, the driven turntable can be driven to be quickly separated from the driving turntable 2 after the layer winding of the wire reel is completed, the wire reel is convenient to be taken down by an operator, the operation difficulty of the operator is reduced, and the layer winding efficiency of the wire reel is improved. In addition, after the welding wire reel layer is wound, an operator can clamp and fix the driven turntable 5 by using the clamping jaw assembly, so that the stability of the welding wire reel in welding wire cutting or bending operation is improved.

Optionally, the pull claw assembly comprises a tool beating cylinder 12 arranged on the equipment rack 9, and a pull claw 16 capable of being matched with the pull nail 4 is arranged at one end of the tool beating cylinder 12 extending into the positioning hole 15. Illustratively, the pull stud 4 may employ a BT50 pull stud 4 and the corresponding pull stud 16 may employ a pull stud 16 capable of mating with the BT50 pull stud 4. Through utilizing blind rivet 4 and pulling claw 16 cooperation, can realize the stable connection between driving shaft 3 and the driven carousel 5, the initiative carousel 2 of being convenient for drives driven carousel 5 rotation, has improved wire reel both sides carousel pivoted synchronism, is favorable to improving the layer around the effect of welding wire.

Optionally, a taper sleeve 18 for installing the driven turntable 5 is arranged on the equipment rack 9, the driven turntable 5 is rotatably installed on the taper sleeve 18, one end of the driven turntable 5 extending into the taper sleeve 18 is provided with a conical surface portion 19 matched with the taper sleeve 18, and the small diameter end of the conical surface portion 19 is arranged towards the driving shaft 3. The taper sleeve 18 may be mounted and fixed on the equipment rack 9 by a screw, and a person skilled in the art may choose to mount the taper sleeve 18 according to actual needs, so as to achieve stable mounting of the taper sleeve 18 on the equipment rack 9, which is not described herein. By arranging the taper sleeve 18 on the equipment rack 9 and arranging the taper surface part 19 which is the sum of the quota of the taper sleeve 18 on the driven turntable 5, the stability of the driven turntable 5 in rotation on the equipment rack 9 is improved, and the driven turntable 5 is prevented from moving due to the fact that the cutter driving cylinder 12 drives the pull claw 16 to move.

In the practical application process, one end of the cutter striking cylinder 12 extending into the taper sleeve 18 is connected with the pull claw 16 through a connecting piece 17, the other end of the cutter striking cylinder is arranged on the taper sleeve 18, one end of the connecting piece 17 is connected with the telescopic end of the cutter striking cylinder 12, and the other end of the connecting piece 17 extends into the positioning hole 15 to be connected with the pull claw 16. For example, the connection member 17 may be connected to the pull claw 16 by a threaded connection, and those skilled in the art may select other ways to connect the pull claw 16 to the connection member 17 according to actual needs, so as to achieve stable connection between the pull claw 16 and the connection member 17, which is not described herein. In addition, the taper sleeve 18 can be provided with an assembly ring 22 for installing the tool-setting cylinder 12, the assembly ring 22 can be installed and fixed on the taper sleeve 18 through screws, the fixed end of the tool-setting cylinder 12 can also be installed and fixed on the assembly ring 22 through screws, and a person skilled in the art can also select other modes to install the tool-setting cylinder 12 according to actual needs, so that the tool-setting cylinder 12 can stably drive the pull claw 16 to be matched with the blind rivet 4, and the repeated description is omitted.

Optionally, an elastic element 21 is sleeved at one end of the connecting piece 17 facing the driven turntable 5, a protruding part is arranged at the other end of the connecting piece, one end of the elastic element 21 props against the driven turntable 5, and the other end props against the protruding part. Illustratively, the elastic member 21 may be a disc spring, which is sleeved on the outer side of the connecting member 17, and has one end abutting against the driven turntable 5 and the other end abutting against the protruding portion. Through setting up the die and trading, not only can play good cushioning effect, under the reset elasticity drive of dish spring moreover, can also drive fast and draw claw 16 and reset, be favorable to improving the cooperation effect of drawing claw 16 and blind rivet 4.

Optionally, the driven turntable 5 is provided with a fitting sleeve 20 for accommodating the elastic element 21, and the fitting sleeve 20 is communicated with the positioning hole 15. Illustratively, a threaded connection may be employed between the mounting sleeve 20 and the driven turntable 5. In practical use, in order to facilitate the assembly of the driven turntable 5, the conical surface portion 19 and the driven turntable 5 may be connected by threads, and the conical surface portion 19 is provided with a groove matched with the assembly sleeve 20. The assembly sleeve 20 not only has a good protection effect on the elastic element 21, but also has a good guiding effect on the elastic element 21, thereby being beneficial to improving the reliability of the elastic element 21 in the use process.

In the assembly process, an operator can firstly install the driven turntable 5 with the pull claw 16 on the taper sleeve 18, then sequentially extend the conical surface part 19 and the assembly sleeve 20 into the taper sleeve 18 and sequentially install the tapered surface part 19 and the assembly sleeve on the driven turntable 5, finally install the connecting piece 17 with the elastic element 21 and the tool driving cylinder 12 again, and the operation is simple and convenient, thereby being beneficial to reducing the use and maintenance difficulty of the fixing device.

Optionally, the clamping jaw assembly comprises a clamping jaw 11 and a telescopic rod 10, wherein the clamping jaw 11 is rotatably mounted on the equipment rack 9, one end of the telescopic rod 10 is rotatably mounted on the equipment rack 9, and the other end of the telescopic rod is rotatably connected with the clamping jaw 11. Illustratively, the telescopic rod 10 may adopt an existing electric push rod or telescopic cylinder, the clamping jaw 11 and the telescopic rod 10 are rotatably installed on the equipment rack 9 through a rotating shaft, and an axle hole matched with the rotating shaft or a bearing seat matched with the rotating shaft can be arranged on the equipment rack 9. In addition, the clamping jaw 11 and the telescopic rod 10 can be connected in a rotating way through a rotating shaft.

In the practical application process, when the welding wire reel layer is completed, an operator can drive the telescopic rod 10 to extend and drive the clamping jaw 11 to rotate, and the clamping jaw 11 on the left side and the right side of the equipment rack 9 can clamp and fix the welding wire reel together, so that subsequent cutting or bending operation of welding wires is facilitated. After the work is completed, an operator can start the telescopic rod 10 to shorten and reset, and further drive the clamping jaw 11 to release the clamping and fixing of the wire reel, so that the subsequent separation of the wire reel and the fixing device is facilitated.

Optionally, a guide groove 8 for guiding the movement of the wire reel is arranged at a position on the machine tool body 1 corresponding to the position between the driving disk mechanism and the driven disk mechanism, and a tray 7 assembly for driving the wire reel to lift is arranged at a position on the machine tool body 1 corresponding to the lower part of the guide groove 8. Illustratively, the tray 7 assembly comprises a lifting column 13, the lifting column 13 is vertically arranged on the machine tool body 1, and one end of the lifting column 13 extending into the guide chute 8 is provided with a tray 7 which can be matched with the wire reel. Wherein, baffle box 8 can be fixed on lathe body 1, is equipped with the opening of being convenient for tray 7 lift on the baffle box 8.

In the practical application process, the lifting column 13 can also adopt an electric push rod or a telescopic cylinder, the fixed end of the lifting column 13 can be fixed on the machine tool body 1 through screw installation, the tray 7 can be fixed on the telescopic end of the lifting column 13 through screw installation, and an arc-shaped groove matched with the welding wire reel can also be formed in the tray 7. Through setting up baffle box 8 on lathe body 1, utilize baffle box 8 can play good guide effect to the welding wire dish, be favorable to guaranteeing that the welding wire dish can be convenient remove driven carousel 5 department to realize the alignment of welding wire dish and driven carousel 5. In addition, through setting up tray 7 subassembly in the position of baffle box 8, utilize tray 7 subassembly can also drive the wire reel and go up and down, further reduced operating personnel's the degree of difficulty and intensity of labour, be favorable to improving this kind of fixing device's degree of automation.

The wire reel fixing device has the advantages of being easy to use and maintain, can be suitable for positioning the wire reel during wire reel layer winding, has good positioning effect, is beneficial to improving the stability of the wire reel during layer winding of the welding wire, and ensures the layer winding effect of the welding wire. Through with equipment rack slidable mounting on the lathe body, utilize drive assembly to drive equipment rack and remove, can realize the cooperation of initiative carousel and driven carousel, not only can realize spacing fixed to the wire reel for the wire reel can be stably rotated along with initiative carousel under the spacing of driving shaft, but also can drive driven sabot and initiative carousel quick separation after the wire reel layer is around accomplishing, be convenient for operating personnel take off the wire reel, be favorable to reducing operating personnel's operation degree of difficulty, improve the layer around efficiency of wire reel. In addition, after the welding wire reel layer is wound, an operator can clamp and fix the driven turntable by using the clamping jaw assembly, so that the stability of the welding wire reel in welding wire cutting or bending operation is improved.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (9)

1. The welding wire disc fixing device is characterized by comprising a machine tool body (1), a driving disc mechanism arranged at one end of the machine tool body (1) and a driven disc mechanism arranged at the other end of the machine tool body (1), wherein the driven disc mechanism is arranged corresponding to the driving disc mechanism;

The driving disc mechanism comprises a driving turntable (2) and a power assembly (6), wherein the driving turntable (2) is rotatably arranged on the machine tool body (1), the power assembly (6) is used for driving the driving turntable (2) to rotate, one end, facing the driven disc mechanism, of the driving turntable (2) is provided with a driving shaft (3) which can be matched with the welding wire disc, and the driving shaft (3) is provided with a blind rivet (4);

The driven disc mechanism comprises an equipment frame (9) arranged on a machine tool body (1) in a sliding mode and a driven rotary disc (5) arranged on the equipment frame (9) in a rotating mode, the moving direction of the equipment frame (9) is the same as the length direction of a driving shaft (3), a driving assembly (14) used for driving the equipment frame (9) to slide is arranged on the machine tool body (1), the driven rotary disc (5) and the driving rotary disc (2) are coaxially arranged, one end, facing the driving rotary disc (2), of the driven rotary disc (5) is provided with a positioning hole (15) capable of being matched with the driving shaft (3), the other end corresponds to the positioning hole (15) and is provided with a pull claw assembly capable of being matched with a pull nail (4), and clamping jaw assemblies used for limiting rotation of the driven rotary disc (5) are arranged at the left side and the right side of the equipment frame (9) and the position corresponding to the driven rotary disc (5).

2. The welding wire reel fixing device according to claim 1, wherein the pull claw assembly comprises a tool driving cylinder (12) arranged on the equipment frame (9), and a pull claw (16) capable of being matched with the pull nail (4) is arranged at one end of the tool driving cylinder (12) extending into the positioning hole (15).

3. The welding wire reel fixing device according to claim 2, wherein a taper sleeve (18) for installing the driven turntable (5) is arranged on the equipment frame (9), the driven turntable (5) is rotatably installed on the taper sleeve (18), one end of the driven turntable (5) extending into the taper sleeve (18) is provided with a conical surface portion (19) matched with the taper sleeve (18), and the small diameter end of the conical surface portion (19) is arranged towards the driving shaft (3).

4. The welding wire reel fixing device according to claim 3, wherein one end of the tool beating cylinder (12) extending into the taper sleeve (18) is connected with the pull claw (16) through a connecting piece (17), the other end of the tool beating cylinder is arranged on the taper sleeve (18), one end of the connecting piece (17) is connected with the telescopic end of the tool beating cylinder (12), and the other end of the connecting piece extends into the positioning hole (15) to be connected with the pull claw (16).

5. The welding wire reel fixing device according to claim 4, wherein one end of the connecting piece (17) facing the driven turntable (5) is sleeved with an elastic element (21), the other end of the connecting piece is provided with a protruding part, one end of the elastic element (21) is propped against the driven turntable (5), and the other end of the elastic element is propped against the protruding part.

6. A wire reel fixing device according to claim 5, characterized in that the driven turntable (5) is provided with a fitting sleeve (20) for accommodating an elastic element (21), the fitting sleeve (20) being in communication with the positioning hole (15).

7. The welding wire reel fixing device according to any one of claims 1 to 6, wherein the clamping jaw assembly comprises clamping jaws (11) and a telescopic rod (10), the clamping jaws (11) are rotatably mounted on the equipment rack (9), one end of the telescopic rod (10) is rotatably mounted on the equipment rack (9), and the other end of the telescopic rod is rotatably connected with the clamping jaws (11).

8. A wire reel fixing device according to any one of claims 1 to 6, wherein a guide groove (8) for guiding the movement of the wire reel is arranged on the machine tool body (1) at a position corresponding to the position between the driving disk mechanism and the driven disk mechanism, and a tray (7) component for driving the wire reel to lift is arranged on the machine tool body (1) at a position corresponding to the position below the guide groove (8).

9. The welding wire reel fixing device according to claim 8, wherein the tray (7) assembly comprises a lifting column (13), the lifting column (13) is vertically arranged on the machine tool body (1), and one end of the lifting column (13) extending into the guide groove (8) is provided with the tray (7) capable of being matched with the welding wire reel.