阅读说明：本技术 焊丝折弯装置及层绕机 (Welding wire bending device and layer is around machine ) 是由 孙高健 梁满昌 于 2021-09-16 设计创作，主要内容包括：本申请公开了一种焊丝折弯装置,包括第一折弯机构、第一插丝机构、第二折弯机构和第二插丝机构,焊丝缠绕前,第一折弯机构能够折弯焊丝的起始端,第一插丝机构能够将折弯的起始端插入料盘的第一勾丝槽中,以便于焊丝的头部与料盘固定,从而方法方便料盘缠丝；焊丝缠绕结束,第二折弯机构能够折弯焊丝的末端,第二插丝机构能够将折弯的末端伸入料盘的第二勾丝槽中,以便于焊丝的尾部与料盘固定,从而稳固料盘上的焊丝卷,以便于料盘传输和使用。本申请还公开了一种层绕机,包括上述焊丝折弯装置,还包括焊丝放卷装置、料盘上料装置和下料装置,能够实现焊丝的全自动层绕,从而提高焊丝制备的工作效率。(The application discloses a welding wire bending device which comprises a first bending mechanism, a first wire inserting mechanism, a second bending mechanism and a second wire inserting mechanism, wherein before a welding wire is wound, the first bending mechanism can bend a starting end of the welding wire, and the first wire inserting mechanism can insert the bent starting end into a first wire hooking groove of a material tray so as to fix the head of the welding wire with the material tray, so that the material tray is convenient to wind the welding wire by the method; the welding wire winding finishes, and the second mechanism of bending can bend the end of welding wire, and the second is inserted wire mechanism and can be stretched into the second of charging tray with the end of bending and collude the wire groove to the afterbody and the charging tray of welding wire are fixed, thereby stabilize the welding wire book on the charging tray, so that the charging tray transmission and use. The application also discloses layer is around machine, including above-mentioned welding wire bending device, still include welding wire unwinding device, charging tray loading attachment and unloader, can realize that the full-automatic layer of welding wire is around to improve the work efficiency of welding wire preparation.)

1. A welding wire bending device (100), comprising:

the first bending mechanism (110) is used for bending the starting end of the welding wire;

the first wire inserting mechanism (140) can enable the starting end of the bent welding wire to extend into the first wire hooking groove (13) of the tray (10);

the second bending mechanism (130), after the welding wire of the preset amount is wound on the tray (10), the second bending mechanism (130) bends the tail end of the welding wire;

the second wire inserting mechanism (150) can enable the tail end of the bent welding wire to extend into a second wire hooking groove (14) of the tray (10);

wherein, charging tray (10) includes:

a barrel (11) for winding the welding wire;

the foot parts (12) are arranged at two ends of the barrel body (11) and are used for limiting the position of the wound welding wire;

the first thread hooking groove (13) is arranged on the barrel body (11), and the second thread hooking groove (14) is arranged on the foot part (12).

2. The welding wire bending apparatus (100) according to claim 1, wherein the first wire insertion mechanism (140) and/or the second wire insertion mechanism (150) comprises:

a clamp for extracting a welding wire;

the wire inserting driving part is connected with the clamping part and can drive the clamping part to move towards the first wire hooking groove (13) or the second wire hooking groove (14);

the welding wire winding device comprises a material tray (10) for winding a welding wire, a clamping piece, a wire inserting driving piece, a clamping piece and a second wire hooking groove (14), wherein the material tray (10) for winding the welding wire is positioned at a winding station, the bent part is positioned above the material tray (10) after the starting end of the welding wire or the tail end of the welding wire is bent, the clamping piece extracts the welding wire, and the wire inserting driving piece drives the clamping piece and drives the welding wire to move towards the material tray (10), so that the bent part of the welding wire is inserted into the first wire hooking groove (13) or the second wire hooking groove (14).

3. The welding wire bending apparatus (100) according to claim 1, wherein the welding wire bending apparatus (100) further comprises a third bending mechanism (160) for bending the welding wire passing out of the second wire hooking groove (14);

the extending direction of the welding wire bent by the third bending mechanism (160) is intersected with the depth direction of the second wire hooking groove (14).

4. The welding wire bending apparatus (100) according to claim 3, wherein the distal end of the welding wire is bent at least twice;

the second bending mechanism (130) bends the welding wire once, so that the extending direction of the bent welding wire is parallel to the depth direction of the second wire hooking groove (14), and the welding wire is convenient to insert into the second wire hooking groove (14);

and the third bending mechanism (160) bends the welding wire for the second time, so that the welding wire penetrating out of the second wire hooking groove (14) extends along the outer end face of the foot part (12) departing from the barrel body (11) and towards the side face of the foot part (12).

5. The wire bending apparatus (100) of claim 4, wherein after the second bending, a portion of the wire protrudes from a side of the foot (12);

the third bending mechanism (160) bends the protruding welding wire for three times, so that the welding wire extends along the side surface of the foot part (12) and towards the inner end surface of the foot part (12) close to the barrel body (11).

6. The welding wire bending apparatus (100) according to claim 5, wherein after three bends, a portion of the welding wire protrudes from the inner end surface of the foot portion (12);

the third bending mechanism (160) bends the protruding welding wire for four times, so that the welding wire extends towards the barrel (11).

7. The welding wire bending apparatus (100) according to any one of claims 1-6, wherein the first bending mechanism (110) comprises:

the surface of the first bending piece (111) used for contacting the welding wire is provided with a first accommodating groove (111 a);

a second first bending driving member (113) which is connected with the first bending member (111) and can drive the first bending member (111) to rotate;

and/or the second bending mechanism (130) comprises:

the surface of the second bending part (131) used for contacting the welding wire is provided with a second accommodating groove (131 a);

and a second bending driving part II (133) which is connected with the second bending part (131) and can drive the second bending part (131) to rotate.

8. The welding wire bending apparatus (100) according to any one of claims 1 to 6, wherein the welding wire bending apparatus (100) further comprises a cutting mechanism (120), and after a preset amount of welding wire is wound on the tray (10), the cutting mechanism (120) cuts the welding wire so as to obtain the end of the wound welding wire;

the cutting mechanism (120) comprises a cutter (121) and a cutting driving piece (122), wherein the cutting driving piece (122) is connected with the cutter (121) and can drive the cutter (121) to be close to or far away from the welding wire.

9. A layer winding machine comprising the wire bending apparatus (100) of any one of claims 1 to 8, further comprising:

the welding wire unwinding device (200) is used for unwinding the welding wire;

a tray feeding device (300) for feeding trays (10) to the winding station;

a blanking device (400) for taking away the tray (10) wound with the welding wire;

the welding wire paid out by the welding wire unreeling device (200) passes through the welding wire bending device (100);

the first bending mechanism (110) can bend the starting end of the welding wire, and after the welding wire is bent, the starting end is inserted into a first wire hooking groove (13) of a material tray (10) at the winding station by the first wire inserting mechanism (140);

after the welding wire is wound by a preset amount, the second bending mechanism (130) bends the tail end of the welding wire, and after the welding wire is bent, the second wire inserting mechanism (150) inserts the tail end into a second wire hooking groove (14) of the tray (10) at the winding station;

and finishing ending, wherein the blanking device (400) extracts the material tray (10) so that the material tray (10) leaves the winding station.

10. The layer winding machine according to claim 9, further comprising a wire arranging device (500) connected to the wire unwinding device (200) and capable of driving the wire unwinding device (200) to reciprocate in a first direction;

when the charging tray (10) is positioned at the winding station, the barrel (11) of the charging tray extends along the first direction.

Technical Field

The application relates to the technical field of welding wire manufacturing equipment, in particular to a welding wire bending device and a layer winding machine.

Background

Layer winding is the last process of welding wire production, and a welding wire layer winding machine is a mechanical device for regularly winding welding wires layer by layer on a welding wire coil.

In order to facilitate the stable winding of the welding wire on the wire reel, the starting end of the welding wire needs to be fixed on the wire reel; in order to avoid the welding wire from being decoiled, the tail end of the welding wire needs to be fixed on the welding wire reel after the layer winding is completed. At present, the automation level of a welding wire layer winding machine is not high, particularly, when the welding wire layer winding machine starts and finishes, the starting end and the tail end need to be fixed manually, and the working efficiency is low.

Disclosure of Invention

The utility model provides a welding wire bending device and layer are around machine aims at overcoming the not enough that exists among the prior art.

In order to realize above technical purpose, the application provides a welding wire bending device, includes: the first bending mechanism is used for bending the starting end of the welding wire; the first wire inserting mechanism can enable the starting end of the bent welding wire to extend into the first wire hooking groove of the material tray; the second bending mechanism is used for bending the tail end of the welding wire after a preset amount of welding wire is wound on the material tray; the second wire inserting mechanism can enable the tail end of the bent welding wire to extend into a second wire hooking groove of the material tray; wherein, the charging tray includes: the cylinder is used for winding the welding wire; the foot parts are arranged at two ends of the barrel and used for limiting the winding position of the welding wire; the first thread hooking groove is arranged on the barrel, and the second thread hooking groove is arranged on the foot.

Further, the first wire insertion mechanism and/or the second wire insertion mechanism comprises: a clamp for extracting a welding wire; the wire inserting driving piece is connected with the clamping piece and can drive the clamping piece to move towards the first wire hooking groove or the second wire hooking groove; the welding wire winding device comprises a clamping piece, a wire inserting driving piece, a wire hooking groove, a first wire hooking groove, a second wire hooking groove and a wire winding driving piece, wherein a material tray for winding a wire to be welded is positioned at a winding station, the bent part is positioned above the material tray after the starting end of the welding wire or the tail end of the welding wire is bent, the clamping piece extracts the welding wire, and the wire inserting driving piece drives the clamping piece and drives the welding wire to move towards the material tray so that the bent part of the welding wire is inserted into the first wire hooking groove or the second wire hooking groove.

Furthermore, the welding wire bending device also comprises a third bending mechanism which is used for bending the welding wire which penetrates out of the second wire hooking groove; the extending direction of the welding wire bent by the third bending mechanism is intersected with the depth direction of the second wire hooking groove.

Further, the tail end of the welding wire is bent at least twice; the second bending mechanism bends the welding wire for one time, so that the extending direction of the bent welding wire is parallel to the depth direction of the second wire hooking groove, and the welding wire is convenient to insert into the second wire hooking groove; the third bending mechanism bends the welding wire for the second time, so that the welding wire which penetrates out of the second wire hooking groove extends along the outer end face of the foot departing from the barrel body and towards the side face of the foot.

Further, after the secondary bending, part of the welding wires protrude out of the side face of the foot; the third bending mechanism bends the convex welding wire for three times, so that the welding wire extends along the side surface of the foot part and towards the inner end surface of the foot part close to the barrel.

Furthermore, after the third bending, part of the welding wire protrudes out of the inner end face of the foot part; the third bending mechanism bends the convex welding wire for four times, so that the welding wire extends towards the barrel.

Further, the first bending mechanism includes: the surface of the first bending piece, which is used for contacting the welding wire, is provided with a first accommodating groove; the second first bending driving piece is connected with the first bending piece and can drive the first bending piece to rotate; and/or, the second bending mechanism comprises: the second bending part is provided with a second accommodating groove on the surface, which is used for contacting the welding wire, of the second bending part; and the second bending driving part II is connected with the second bending part and can drive the second bending part to rotate.

Furthermore, the welding wire bending device also comprises a cutting mechanism, and after the preset amount of welding wires are wound on the material tray, the cutting mechanism cuts the welding wires so as to obtain the tail ends of the wound welding wires; the cutting mechanism comprises a cutter and a cutting driving piece, wherein the cutting driving piece is connected with the cutter and can drive the cutter to be close to or far away from the welding wire.

The application still provides a layer is around machine, including above-mentioned welding wire bending device, still include: the welding wire unwinding device is used for unwinding the welding wire; the material tray feeding device is used for feeding material trays to the winding station; the blanking device is used for taking away the material tray wound with the welding wires; the welding wire released by the welding wire unreeling device passes through the welding wire bending device; the first bending mechanism can bend the starting end of the welding wire, and after the welding wire is bent, the starting end is inserted into a first wire hooking groove of a material tray positioned at a winding station by the first wire inserting mechanism; after the preset amount of welding wires are wound, the second bending mechanism bends the tail ends of the welding wires, and after the welding wires are bent, the second wire inserting mechanism inserts the tail ends into a second wire hooking groove of a material tray positioned at a winding station; and finishing ending, and taking the material tray by the blanking device so that the material tray leaves the winding station.

Furthermore, the layer winding machine also comprises a wire arrangement device which is connected with the welding wire unwinding device and can drive the welding wire unwinding device to reciprocate along a first direction; when the charging tray is positioned at the winding station, the barrel of the charging tray extends along the first direction.

The application provides a welding wire bending device which comprises a first bending mechanism, a first wire inserting mechanism, a second bending mechanism and a second wire inserting mechanism, wherein before a welding wire is wound, the first bending mechanism can bend a starting end of the welding wire, and the first wire inserting mechanism can insert the bent starting end into a first wire hooking groove of a material tray so as to fix the head of the welding wire with the material tray, so that the method is convenient for the material tray to wind the welding wire; the welding wire winding finishes, and the second mechanism of bending can bend the end of welding wire, and the second is inserted wire mechanism and can be stretched into the second of charging tray with the end of bending and collude the wire groove to the afterbody and the charging tray of welding wire are fixed, thereby stabilize the welding wire book on the charging tray, so that the charging tray transmission and use.

The application also provides a layer is around machine, including above-mentioned welding wire bending device, still include welding wire unwinding device, charging tray loading attachment and unloader, can realize that the full-automatic layer of welding wire is around to improve the work efficiency of welding wire preparation.

Drawings

FIG. 1 is a schematic front view of a tray;

FIG. 2 is a schematic side view of the tray shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a welding wire bending apparatus according to the present application;

FIG. 4 is a schematic perspective view of the welding wire bending apparatus of FIG. 3;

FIG. 5 is a schematic view of a first bending element bending wire start provided by the present application;

FIG. 6 is a schematic view of a second bending element bending the end of the welding wire as provided herein;

FIG. 7 is a schematic cross-sectional view of a welding wire being completely wound on a tray and being ready to be finalized;

FIG. 8(a) is a schematic view of the end of the welding wire of FIG. 7 after being bent once when the welding wire is terminated;

FIG. 8(b) is a schematic view of the welding wire of FIG. 7 after the welding wire ends are bent for the second time;

FIG. 8(c) is a schematic view of the welding wire of FIG. 7 after the end of the welding wire is bent three times when the welding wire is terminated;

FIG. 8(d) is a schematic view of the welding wire of FIG. 7 after four bends are made at the end of the welding wire;

FIG. 9 is a schematic cross-sectional view of the welding wire of FIG. 8 after the end of the welding wire has been bent four times and the welding wire has been terminated;

fig. 10 is a schematic front view of a welding wire bending apparatus provided in the present application.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The application provides a welding wire bending device 100, includes: the first bending mechanism 110 is used for bending the starting end of the welding wire; the first wire inserting mechanism 140 can enable the starting end of the bent welding wire to extend into the first wire hooking groove 13 of the tray 10; the second bending mechanism 130 bends the tail end of the welding wire after the preset amount of welding wire is wound on the tray 10; the second wire inserting mechanism 150 can make the bent end of the welding wire extend into the second wire hooking groove 14 of the tray 10.

First, the winding of the welding wire will be described.

In one embodiment, the prepared wire is wound into a larger coil. At this point, the winding pattern of the roll may be irregular, which is not conducive to use in downstream equipment. Meanwhile, the material roll contains huge welding wire amount (length or mass), which is not beneficial to carrying and conveying, and is also not beneficial to subsequent use. In addition, the amount of wire in a directly configured coil may be random, which is not conducive to industrial automation.

Accordingly, it is desirable to palletize the coils of wire such that the amount of wire in each palletized reel is consistent or substantially consistent, facilitating automated handling by downstream equipment and facilitating marketing.

Furthermore, in the process of coiling the welding wire coil, the winding mode of the welding wire in each coiling tray can be uniformly and standardizedly operated, so that the final welding wire coil is attractive and convenient to use, and the welding wire (such as a steel wire) is smoothly released without pressing and clamping the welding wire. At the same time, standardized operation is also beneficial to controlling the dispensing amount.

In another embodiment, the wire is continuously output through the upstream equipment, and at the moment, the winding equipment is arranged at the downstream, the wire is continuously wound, and the amount of the wire in each tray is consistent or basically consistent.

Next, bending of the welding wire will be described.

From the above, it can be seen that the wire needs to be wound on a tray. The welding wire is loaded through the tray so as to control the amount of the wound welding wire and the winding state of the welding wire.

In one embodiment, referring to fig. 1 and 2, a tray 10 is illustrated. Specifically, the tray 10 includes: a barrel 11 for winding a welding wire; the foot parts 12 are arranged at two ends of the barrel body 11 and used for limiting the winding position of the welding wire; the first thread hooking groove 13 is formed on the barrel 11, and the second thread hooking groove 14 is formed on the foot 12.

More specifically, the cylindrical body 11 is substantially cylindrical, and the cylindrical body 11 has an axial passage extending through the cylindrical body 11, so that the weight of the cylindrical body 11 can be reduced, and the cylindrical body 11 can be positioned, transported, and handled.

More specifically, the leg 12 is substantially disc-shaped, and the center of the circular surface of the leg 12 is collinear with the central axis of the barrel 11. The feet 12 are also provided with a plurality of lightening holes, so that the weight of the feet 12 can be lightened, and the positioning, the carrying and the processing of the feet 12 are facilitated.

The first wire hooking groove 13 is formed in the barrel 11, after the starting end of the welding wire is bent, the bent portion is inserted into the first wire hooking groove 13, and the starting end of the welding wire can be fixed through the first wire hooking groove 13 so as to be convenient to wind the welding wire. Further, the first wire hooking groove 13 can also define the position of the starting end of the welding wire, and the position serves as the reference initial position of winding, so that the uniformity and the standardization of winding are facilitated.

Optionally, the first hooking groove 13 is disposed adjacent to a foot 12. For example, referring to fig. 1, in the illustrated embodiment, the first hooking groove 13 is formed on the top of the surface of the cylinder 11 connected to the left leg 12.

Thus, after the start end of the bent welding wire is inserted into the first hooking groove 13, the start portion of the welding wire can be attached to the left leg portion 12 and wound. After the first circle of welding wire attaching left foot part 12 is wound, the second circle of welding wire attaching right side is arranged, the third circle of welding wire attaching right side is arranged … … and the like, the first layer of welding wire extends from the left foot part 12 to the right foot part 12, and finally the surface of the barrel body 11 is covered.

Further, a second layer of wire may extend from the right leg 12 to the left leg 12, a third layer of wire may extend from the left leg 12 to the right leg 12 … …, and so on, completing the layer winding of the entire coil of wire.

Since the wire is wound to cover the entire surface of the barrel 11, the second wire hooking groove 14 is formed on the leg 12.

In one embodiment, the second hooking groove 14 is formed on an end surface of the leg 12 (when the leg 12 is a circular plate, the end surface is a circular surface of the leg 12). At this time, the depth direction of the second hooking groove 14 intersects with the depth direction of the first hooking groove 13.

In another embodiment, the second hooking groove 14 is formed on a side surface of the leg 12 (when the leg 12 is a circular plate, the side surface is a surface connecting two circular surfaces). In this case, the depth direction of the second hooking groove 14 may intersect the depth direction of the first hooking groove 13, or may be parallel to the depth direction of the first hooking groove 13.

The application does not limit the specific configuration and the extending direction of the wire hooking groove, and the welding wire bending starting end and the tail end can be contained.

Optionally, the first threading groove 13 is directed to the central axis of the cylinder 11 and extends along the radial direction of the cylinder 11; the second thread hooking groove 14 is formed in the inner end surface of the foot 12 connected to the cylinder 11, and the second thread hooking groove 14 extends along the axial direction of the cylinder 11. At this time, the depth direction of the second hooking groove 14 is perpendicular to the depth direction of the first hooking groove 13.

Optionally, the second hooking groove 14 penetrates both end surfaces of the foot 12. After the tail end of the welding wire is bent, the bent part is inserted into the second wire hooking groove 14 and can penetrate out of the second wire hooking groove 14; therefore, the second wire hooking groove 14 can adapt to the tail ends with different lengths, and the influence on the stability of the welding wire ending caused by the fact that the tail end of the inserted welding wire is too short can be avoided.

To facilitate bending of the welding wire, in one embodiment (not shown), the first bending mechanism 110 and/or the second bending mechanism 130 includes an extraction member and a bending drive member; wherein, the part of drawing can adopt the component that can contact the welding wire such as clamping jaw, sucking disc, bends the driving piece and can adopt linear drive component such as cylinder, electric cylinder, also can adopt rotation drive component such as revolving cylinder, motor.

The case of supplying welding wire from a wire coil is taken as an example, and the free end of the wire coil is the starting end of the welding wire to be wound. The wire coil pays out the wire, the free end of which is drawn to the bending station. Since the welding wire has a certain length, the welding wire is not prevented from being folded or bent after being drawn out, and the welding wire is mostly taken along a straight line, that is, the welding wire extends along a straight line toward the direction of the take-off of the tray 10.

Specifically, the extraction piece obtains a starting end of a welding wire at a bending station; after the initial end of the extracting part is fixed, the bending driving part drives the extracting part to move towards the other direction different from the tape moving direction, and the extracting part drives the initial end of the welding wire to change the direction, so that the welding wire is bent.

Further, in this embodiment, the first bending mechanism 110 and/or the second bending mechanism 130 further include a pressing member, and the pressing member fixes a portion of the welding wire near the start end before the bending driving member drives the extracting member to move, so as to prevent other welding wires from being influenced and deviating from the initial tape moving direction during the process of bending the start end.

Optionally, the first bending mechanism 110 and/or the second bending mechanism 130 include a pressing member, and the extracting member is any member capable of contacting the welding wire, such as a block, a plate, a rod, and the like. Before bending, the pressing piece firstly supports against the welding wire, so that the welding wire is fixed at a bending station, and meanwhile, the starting end of the welding wire protrudes out of the front end of the pressing piece; during bending, the bending driving piece drives the extracting piece to be close to the starting end of the contact welding wire, and the extracting piece moves along the front end face of the pressing piece, so that the starting end of the welding wire is bent at the front end along the pressing piece.

In another embodiment, referring to fig. 3 and 4, the first bending mechanism 110 includes: the first bending piece 111, the surface of the first bending piece 111 used for contacting the welding wire is provided with a first accommodating groove 111 a; and a second first bending driving member 113 connected to the first bending member 111 and capable of driving the first bending member 111 to rotate.

When the welding wire extends along a straight line at the bending station, the first accommodating groove 111a also extends along the straight line, so that the welding wire can extend into the first accommodating groove 111 a. During bending, the second first bending driving element 113 drives the first bending element 111 to rotate, so that the extending direction of the first accommodating groove 111a is changed; the welding wire, which is inserted into the first receiving groove 111a, is bent by the first bending member 111.

The second first bending driving element 113 may adopt a rotary driving member such as a rotary cylinder and a motor.

Optionally, the first receiving groove 111a penetrates the first bending member 111 along a straight line for contacting the surface of the welding wire, so that the first bending member 111 contacts different positions of the starting end of the welding wire, thereby improving the applicability of the first receiving groove 111 a.

Alternatively, the body of the first bending member 111 has a substantially cylindrical shape, and the first receiving groove 111a is provided on one circular surface of the first bending member 111.

Further, in this embodiment, in order to facilitate the welding wire to enter the first receiving groove 111a, the first bending mechanism 110 further includes a first bending driving member 112 connected to the first bending member 111 and capable of driving the first bending member 111 to approach or separate from the welding wire.

Specifically, after the welding wire reaches the bending station, the first bending driving member 112 drives the first bending member 111 to approach the welding wire until the welding wire enters the first accommodating groove 111 a. Subsequently, the first bending driving unit 113 drives the first bending unit 111 to rotate, thereby bending the welding wire.

The first bending driving member 112 may adopt a driving member such as an air cylinder, an electric cylinder, etc.

It should be added that in other embodiments, the first bending member 111 may be fixedly disposed at the bending station, and the welding wire actively enters the first receiving groove 111a during the process of tape running.

Similar to the first bending mechanism 110, the second bending mechanism 130 may also include: a second bending part 131, wherein a second accommodating groove 131a is formed on the surface of the second bending part 131, which is used for contacting with the welding wire; and a second bending driving member 133 connected to the second bending member 131 and capable of driving the second bending member 131 to rotate.

It should be explained that the welding wire is wound around the drum 11 in a winding movement. In the winding process, the material tray 10 actively rotates and continuously draws the welding wires to wind; thus, the wire is always fed in a straight line towards the tray 10.

Alternatively, the second bending part 131 may be fixedly disposed on the path of the welding wire, and the welding wire passes through the second receiving groove 131a and enters the tray 10 during the process of feeding and winding. After the welding wire with the preset amount is wound, the tail end of the welding wire enters the second accommodating groove 131a, the second bending driving piece II 133 can drive the second accommodating groove 131a to rotate, the extending direction of the second accommodating groove 131a is different from the tape moving direction of the welding wire, and then the tail end of the welding wire is bent.

Optionally, the second bending mechanism 130 further comprises a second bending driving member 132 connected to the second bending member 131 and capable of driving the second bending member 131 to approach or move away from the welding wire. During bending, the first second bending driving element 132 drives the second bending element 131 to be close to the welding wire, so that the welding wire enters the second accommodating groove 131a, the second bending driving element 133 drives the second bending element 131 to rotate, and the orientation of the second accommodating groove 131a is changed, so that the tail end of the welding wire is bent.

The structure of the second bending mechanism 130 is similar to that of the second bending mechanism 130, and detailed description thereof is omitted.

It should be added that the wire bending apparatus 100 provided herein may include only one set of bending mechanisms, which in this case serve as both the first bending mechanism 110 and the second bending mechanism 130.

In order to improve the working efficiency, the welding wire bending device 100 provided by the application can comprise two groups of bending mechanisms, at the moment, when one group of bending mechanism bends the tail end of the welding wire wound in the previous round, the other group of bending mechanism can bend the starting end of the welding wire to be wound in the next round.

In an embodiment, after the tray 10 reaches the winding station, the first threading slot 13 extends in the vertical direction and is disposed on the top of the barrel 11. When the welding wire reaches the bending station, the whole welding wire is positioned above the barrel 11; after the first bending mechanism 110 bends the start end of the welding wire, the bent portion is suspended over the first wire hooking groove 13 along the vertical direction.

Referring specifically to fig. 5, at the beginning of the welding wire, the extending direction of the welding wire crosses the vertical direction. In an initial state, the first bending piece 111 is arranged on one side of the welding wire, the first accommodating groove 111a is arranged in an extending mode along the tape moving direction, and two side walls of the first accommodating groove 111a are arranged at intervals along the vertical direction; during bending, the first bending driving piece 132 drives the first bending piece 111 to be close to the welding wire along the horizontal direction, so that part of the welding wire enters the first accommodating groove 111a and the other part of the welding wire protrudes out of the first accommodating groove 111 a; the first bending driving part 113 drives the first bending part 111 to horizontally rotate in the first plane, so that part of the welding wire at the head is bent to extend in the vertical direction. Wherein, the vertical direction and the tape direction of the welding wire are both parallel to the first plane.

With continued reference to FIG. 6, the direction of travel of the wire at its end also intersects the vertical. In an initial state, the second bending part 131 is arranged above the welding wire, the second accommodating groove 131a extends along the tape transport direction, and two side walls of the second accommodating groove 131a are arranged at intervals along the left-right direction; during bending, the first bending driving element 132 drives the second bending element 131 to move from top to bottom, so that part of the welding wires enter the second accommodating groove 131a and other part of the welding wires protrude out of the second accommodating groove 131 a; the second bending driving unit 133 drives the second bending unit 131 to horizontally rotate in the second plane, so that the tail portion of the welding wire is bent to extend in the left-right direction. Wherein the second plane is perpendicular to the vertical direction.

In one embodiment, the first wire inserting mechanism 140 and/or the second wire inserting mechanism 150 is connected to the tray 10, and can drive the tray 10 to move toward the bending station, so that the first wire hooking groove 13 or the second wire hooking groove 14 is close to the welding wire, so that the starting end or the tail end of the welding wire can extend into the wire hooking groove.

In another embodiment, the first wire insertion mechanism 140 and/or the second wire insertion mechanism 150 comprises: a clamp for extracting a welding wire; the wire inserting driving part is connected with the clamping part and can drive the clamping part to move towards the first wire hooking groove 13 or the second wire hooking groove 14; the material tray 10 to be wound with the welding wire is located at a winding station, after the starting end of the welding wire or the tail end of the welding wire is bent, the bent part is located above the material tray 10, the clamping piece extracts the welding wire, and the wire inserting driving piece drives the clamping piece and drives the welding wire to move towards the material tray 10, so that the bent part of the welding wire is inserted into the first wire hooking groove 13 or the second wire hooking groove 14.

The clamping piece can adopt a clamp, a sucking disc and other components capable of contacting and fixing the welding wire. The wire inserting driving part can adopt automatic driving components such as an air cylinder, an electric cylinder and the like.

In some embodiments, referring to fig. 1 and 2, the starting end of the welding wire is bent and then faces the first wire hooking groove 13 and is located above the first wire hooking groove 13. At this time, the wire inserting driving member of the first wire inserting mechanism 140 may include only one driving assembly for driving the welding wire to move in the vertical direction, so that the bent starting end is directly inserted into the first wire hooking groove 13.

In other embodiments, the first wire inserting mechanism 140 can drive the welding wire to move horizontally or swing in different directions according to the actual position of the starting end of the welding wire after being bent and the actual position of the first wire hooking groove 13 on the tray 10 when being at the winding station. The present application does not limit the specific structure of the first wire inserting mechanism 140, and the bent starting end may be inserted into the first wire hooking groove 13.

Optionally, after the end of the welding wire is bent, the second wire inserting mechanism 150 can extract the welding wire, and after the second bending mechanism 130 is away from the welding wire, the second wire inserting mechanism 150 can also carry the welding wire to move towards the second wire hooking groove 14, so that the end of the welding wire can extend into the second wire hooking groove 14.

The second wire inserting mechanism 150, similar to the first wire inserting mechanism 140, can drive the welding wire to move according to the actual position of the bent end of the welding wire and the actual position of the second wire hooking groove 14 on the tray 10 after winding.

In one embodiment, the wire insertion driving member of the second wire insertion mechanism 150 includes: the vertical wire inserting driving assembly is used for enabling the clamping piece to move along the vertical direction; and a horizontal wire insertion driving assembly 152 for driving the clamping member to move in the horizontal direction.

Specifically, the end of the welding wire is bent and suspended above the tray 10, and extends along the depth direction of the second wire hooking groove 14. When ending, the vertical wire insertion driving assembly drives the clamping piece and the tail end of the welding wire carried by the clamping piece to descend so that the bent welding wire is opposite to the second wire hooking groove 14 along the horizontal direction; subsequently, horizontal insertion driving assembly 152 drives the clamp to move horizontally so that the bent wire end is inserted into second wire hooking groove 14.

Wherein, vertical plug wire drive assembly and horizontal plug wire drive assembly 152 all can adopt driving member such as electric jar, module.

Optionally, the same drive member is employed for the vertical wire insertion drive assembly and the wire insertion drive of the first wire insertion mechanism 140. For example, after the tray 10 reaches the winding station, the first threading slot 13 is located at the top of the barrel 11. After the starting end of the welding wire is bent, the bent part is positioned right above the first wire hooking groove 13. Therefore, the first wire insertion mechanism 140 serves to drive the welding wire downward in the vertical direction so as to be inserted into the first wire hooking groove 13. When the welding wire is terminated, the bent tail end of the welding wire is also positioned above the charging barrel 11, and the vertical wire insertion driving assembly is required to drive the welding wire to vertically move downwards so that the welding wire is opposite to the second wire hooking groove 14. Since the directions of both actions are the same, only one set of drive members may be provided.

Further, the welding wire bending device 100 further includes a third bending mechanism 160 for bending the welding wire passing through the second wire hooking groove 14; the wire bent by the third bending mechanism 160 extends in a direction intersecting the depth direction of the second wire hooking groove 14.

Specifically, referring to fig. 8(a), in the illustrated embodiment, the second wire hooking groove 14 extends in the left-right direction, after the second bending mechanism 130 bends the end of the welding wire once, the end of the welding wire extends in the left-right direction, the second wire inserting mechanism 150 drives the end of the welding wire to be inserted into the second wire hooking groove 14, a part of the welding wire is located in the second wire hooking groove 14, and another part of the welding wire protrudes from the left side of the second wire hooking groove 14. It is easy to understand, because the whole welding wire end extends along the left-right direction this moment, when the welding wire end is not long enough, or the welding wire wound on charging tray 10 receives the force displacement, the welding wire end breaks away from in second colluding wire groove 14 easily to influence the stability of charging tray 10 ending.

Therefore, the third bending mechanism 160 is arranged to bend the part of the welding wire protruding from the left side of the second wire hooking groove 14 for the welding wire originally extending in the left-right direction turns again, and the tail end of the welding wire is prevented from being separated from the second wire hooking groove 14.

Here, the third bending mechanism 160 may be similar to the first bending mechanism 110 or the second bending mechanism 130.

To prevent the end of the wire from coming out of the second hooking groove 14, the end of the wire is bent at least twice.

Specifically, the second bending mechanism 130 bends the welding wire at the end once, so that the extending direction of the bent welding wire is parallel to the depth direction of the second wire hooking groove 14, so that the welding wire is inserted into the second wire hooking groove 14; subsequently, the third bending mechanism 160 bends the welding wire for the second time, so that the welding wire coming out from the second wire hooking groove 14 extends along the outer end surface of the foot 12 away from the barrel 11 toward the side surface of the foot 12.

Further, after the secondary bending, part of the welding wire protrudes from the side surface of the foot part 12; the third bending mechanism 160 bends the protruding welding wire three times so that the welding wire extends along the side surface of the leg 12 toward the inner end surface of the leg 12 near the barrel 11.

Furthermore, after the three times of bending, part of the welding wire protrudes out of the inner end surface of the foot part 12; the third bending mechanism 160 bends the protruding welding wire four times so that the welding wire extends toward the barrel 11.

In order to achieve at least two bending of the end of the welding wire, the third bending mechanism 160 includes: a third bending part 161 for contacting the welding wire passing through the second wire hooking groove 14; and a second third bending driving member 163 connected to the third bending member 161 and capable of driving the third bending member 161 to move along the radial direction of the circular surface of the foot 12.

The third bending part 161 may be any member capable of contacting the welding wire, such as a block, a plate, or a rod. Optionally, the surface of the third bending part 161 contacting the welding wire may be provided with a receiving groove to receive the welding wire and limit the position of the welding wire on the third bending part 161 to avoid the welding wire from deviating during the bending process.

The second third bending driving element 163 can adopt driving components such as an air cylinder and an electric cylinder, and can drive the third bending element 161 to move along a direction different from the depth direction of the second wire hooking groove 14, so as to change the direction of the welding wire protruding out of the second wire hooking groove 14.

Further, the third bending mechanism 160 further includes a first third bending driving element 162 connected to the third bending element 161 and capable of driving the third bending element 161 to move along the axial direction of the barrel 11.

The first third bending driving element 162 may adopt a driving member such as an air cylinder, an electric cylinder, etc.

In the embodiment shown in fig. 8(a), the third bending member 161 is disposed at the left side of the tray 10, and after the end of the welding wire is inserted into the second wire hooking groove 14, the third bending driving member 162 drives the third bending member 161 to move from left to right, so that the third bending member 161 is close to the protruded welding wire; subsequently, the second third bending driving unit 163 drives the third bending member 161 to move in the up-down direction, thereby changing the extending direction of the welding wire.

Optionally, the third bend 161 contacts the wire while abutting or even abutting the outer face of the foot 12. Thus, after the second third bending driving element 163 drives the third bending piece 161 to bend the end of the welding wire, the welding wire is clamped between the outer end surface of the foot 12 and the third bending piece 161; the bent welding wire portion is attached to the outer end face and extends in the radial direction of the round face of the leg portion 12. At this time, the outer end face of the leg 12 may serve as a support face for stably bending the wire end.

Optionally, in the embodiment shown in fig. 9, the third bending mechanism 160 includes a third bending element 161, a first third bending driver 162, and a second third bending driver 163, which enable four bends of the end of the welding wire. Specifically, the welding wire is bent for one time, and after the welding wire passes through the second wire hooking groove 14, the first third bending driving piece 162 is matched with the second third bending driving piece 163, so that the third bending piece 161 contacts the welding wire; subsequently, the second third bending driving element 163 drives the third bending piece 161 to move vertically upwards, so that the welding wire is bent upwards for the second time; after the third bending part 161 moves to the top end of the foot 12, the third bending driving part one 162 drives the third bending part 161 to move rightwards, so that the welding wire is turned three times along the upper side surface of the foot 12; when the third bending member 161 moves to the inner end face side of the foot 12, the second third bending driving member 163 drives the third bending member 161 to move vertically downward, so that the welding wire is turned downward four times.

Optionally, in the embodiment shown in fig. 8(a) to (d), the third bending mechanism 160 further includes a fourth bending member 164 and a fourth bending driving member one 165, and the fourth bending driving member one 165 is connected to the fourth bending member 164 and can drive the fourth bending member 164 to move along the axial direction of the barrel 11.

The fourth bending part 164 is arranged on the third bending part 161, after the second bending, the second third bending driving part 163 drives the third bending part 161, drives the fourth bending part 164 to be attached to the welding wire which is bent for the second time, and moves to the side surface of the foot part 12 along one radial direction of the round surface of the foot part 12, and then the first fourth bending driving part 165 drives the fourth bending part 164 to move along the axial direction of the foot part 12, so that the welding wire is bent for the third time.

Referring specifically to fig. 8(b), in the illustrated embodiment, after the end of the welding wire is bent twice, the welding wire extends upward along the vertical direction, and a part of the welding wire protrudes from the upper side surface of the foot 12; the fourth flexure 164 is on the left side of the foot 12. With continued reference to FIG. 8(c), fourth bend driver one 165 drives fourth bend 164 from left to right, causing fourth bend 164 to move against the upper side of foot 12, causing the wire to be clamped between fourth bend 164 and the upper side, achieving three bends. Meanwhile, after the three times of bending, part of the welding wire still protrudes from the inner end face of the foot 12 close to the barrel 11.

Further, the third bending mechanism 160 further includes a second fourth bending driving member, which is connected to the fourth bending member 164 and can drive the fourth bending member 164 to move toward the barrel 11.

Referring specifically to fig. 8(c), in the illustrated embodiment, the end of the welding wire is bent three times to fit the upper side of the foot 12 and extend from left to right, and a part of the welding wire at the end protrudes from the right end of the foot 12 and is located above the barrel 11. With continued reference to FIG. 8(d), fourth bending drive two is used to drive fourth bending member 164 in a top-down motion so that fourth bending member 164 bends the projecting endmost wire downward.

Alternatively, the fourth second bending actuator and the third second bending actuator 163 may be the same actuator. Referring specifically to fig. 8, in the illustrated embodiment, the third bending mechanism 160 includes a third bending member 161 and a fourth bending member 164, and further includes: a first third bending actuator 162 for actuating the third bending element 161 and the fourth bending element 164 toward the outer end surface of the foot 12; a second third bending drive 163 for driving the third bending element 161 and the fourth bending element 164 to move toward the lateral side of the foot 12; the fourth bending drive member one 165 is used to drive the fourth bending member 164 towards the inner end surface of the foot 12.

Specifically, during the second bending, the first third bending driving member 162 drives the third bending member 161 and the fourth bending member 164 to approach the foot 12, so that the third bending member 161 contacts the welding wire; the second third bending driving element 163 drives the third bending element 161 and the fourth bending element 164 to move vertically upward, so that the third bending element 161 bends the welding wire. The fourth bending part 164 contacts the welding wire under the action of the first third bending driving part 162 and the first fourth bending driving part 165, and the first fourth bending driving part 165 drives the fourth bending part 164 to move rightwards during three times of bending so that the welding wire is bent. In the fourth bending, the second third bending driving element 163 moves reversely, so that the third bending element 161 and the fourth bending element 164 are downward, and the fourth bending element 164 bends the welding wire.

Optionally, the end of the welding wire is bent four times, and the end of the welding wire is arranged to fit the inner end surface of the foot 12.

Optionally, the fourth bending part 164 or the third bending part 161 includes a connection part 164a and a contact part 164b, and particularly, referring to fig. 8, the contact part 164b is used for contacting a lower end surface of the welding wire lower than the lower end surface of the connection part 164a in the vertical direction. Therefore, when the second fourth bending driving element is used for driving the fourth bending element 164 to move from top to bottom, the contact portion 164b can move downward and approach the barrel 1, and the connection portion 164a gradually approaches the side surface of the foot portion 12, so that the foot portion 12 does not obstruct the vertical movement of the fourth bending element 164.

In other embodiments (not shown), a fourth bend 164 is used to effect a third bend of the wire end. To achieve the fourth bending of the end of the welding wire, the welding wire bending apparatus 100 may further include a fifth bending member and a fifth bending driving member capable of driving the fifth bending member to approach the welding wire protruding from the inner end surface of the foot 12 and driving the fifth bending member to carry the welding wire toward the barrel 11.

It should be noted that, when the welding wire is terminated, the welding wire can be completed only by bending once and inserting into the second wire hooking groove 14; the bending can be performed by two times of bending, or three times of bending, or four times of bending. According to the extending length of the welding wire end and the actual requirement.

When the welding wire is supplied from the welding wire coil or continuously supplied from an upstream source to a downstream source, the welding wire bending apparatus 100 further includes a cutting mechanism 120, and after a preset amount of welding wire is wound on the tray 10, the cutting mechanism 120 cuts the welding wire, so as to obtain the end of the wound welding wire.

The cutting mechanism 120 includes a cutting blade 121 and a cutting driving member 122, and the cutting driving member 122 is connected to the cutting blade 121 and can drive the cutting blade 121 to move toward or away from the welding wire. The cutting driving member 122 may adopt driving members such as an air cylinder and an electric cylinder, and after the welding wire of a preset amount is wound, the cutting driving member 122 drives the cutter 121 to approach to the welding wire cutting.

In order to ensure the cutting stability, the cutting mechanism 120 further comprises a first clamping assembly 123 and a second clamping assembly 124, wherein the first clamping assembly 123 and the second clamping assembly 124 are arranged at intervals and can be matched to clamp a section of welding wire; the cutter 121 serves to cut the welding wire clamped between the first clamping assembly 123 and the second clamping assembly 124.

Wherein first clamping assembly 123 and/or second clamping assembly 124 includes two jaws capable of clamping the welding wire, and a clamping drive (e.g., a gas claw) that drives the two jaws in relative motion.

In one embodiment, the first and second clamping assemblies 123, 124 are disposed on a path of the welding wire, and the welding wire sequentially passes between the clamping plates of the first and second clamping assemblies 123, 124 during the process of being fed toward the tray 10. After the welding wire of the preset amount is wound, the clamping driving piece drives the two clamping plates to move in opposite directions, and then the welding wire can be clamped.

In another embodiment, the cutting mechanism 120 is located outside the position of the wire feeding strip in the non-ending state. The cutting mechanism 120 further includes an in-position drive (a cylinder, an electric cylinder, etc. drive member may be used). After the preset amount of welding wire is wound, the in-place driving part drives the first clamping assembly 123 and the second clamping assembly 124 to be close to the welding wire, so that the first clamping assembly 123 and the second clamping assembly 124 clamp a section of welding wire; subsequently, cutting drive 122 drives cutter 121 to cut the welding wire tensioned by first clamping assembly 123 and second clamping assembly 124.

By arranging the first clamping assembly 123 and the second clamping assembly 124 to cooperatively clamp a section of welding wire, the section of welding wire is tensioned, so that the cutting knife 121 can cut the end of the welding wire quickly, accurately and stably.

Wherein the first clamping assembly 123 can be used as a clamping member of the second wire insertion mechanism 150, and the second clamping assembly 124 can be used as a clamping member of the first wire insertion mechanism 140.

Specifically, after the wire is cut, the end of the connecting roll or upstream forms the new start, and the end of the connecting tray 10 forms the end of the wound wire. At this time, the first clamping assembly 123 clamps the wound portion of welding wire, while the second clamping assembly 124 clamps the remaining portion of welding wire to be wound. Since the cutting knife 121 cuts the welding wire between the first clamping assembly 123 and the second clamping assembly 124, a section of welding wire is left behind the first clamping assembly 123 close to the second clamping assembly 124, and a section of welding wire is also left in front of the second clamping assembly 124 close to the first clamping assembly 123.

In one embodiment, before the cutting knife 121 cuts the welding wire between the first clamping assembly 123 and the second clamping assembly 124, the second bending mechanism 130 approaches the welding wire, so that the welding wire enters the second accommodating groove 131 a; subsequently, the cutting driving member 122 drives the cutter 121 to cut the welding wire, and the welding wire left behind the first clamping assembly 123 is in the second accommodating groove 131 a; the second bending driving part 133 drives the second bending part 131 to rotate, so that the tail end of the welding wire is bent; the second bending mechanism 130 disengages the wire; the second wire inserting mechanism 150 drives the first clamping assembly 123 to drive the bent tail end of the welding wire to be inserted into the second wire hooking groove 14; the third bending mechanism 160 further bends the welding wire passing through the second wire hooking groove 14 for two times, three times and four times, so that the tail end of the welding wire is attached to and hooked on the foot 12.

Optionally, in the process of ending the tail end of the welding wire, a new starting end obtained after cutting can be bent, so that after one material tray 10 is rolled, the new starting end can be directly inserted into the first wire hooking groove 13 of the new material tray 10, and the working beat of the device is accelerated.

The application also provides a layer is around machine, including above-mentioned welding wire bending device 100, still include: the welding wire unwinding device 200 is used for unwinding a welding wire; a tray feeding device 300 for feeding the tray 10 to the winding station; a blanking device 400 for taking away the tray 10 wound with the welding wire; the welding wire paid out by the welding wire unreeling device 200 passes through the welding wire bending device 100, the first bending mechanism 110 can bend the starting end of the welding wire, and after the welding wire is bent, the welding wire is inserted into the first wire hooking groove 13 of the tray 10 at the winding station; the tray 10 is rotated at the winding station to facilitate the winding of the welding wire on the drum 11; after the preset amount of the welding wire is wound, the second bending mechanism 130 bends the tail end of the welding wire, and after the tail end of the welding wire is bent, the tail end of the welding wire is inserted into the second wire hooking groove 14 of the tray 10 at the winding station; after the welding wire is finished, the blanking device 400 extracts the tray 10 so that the tray 10 leaves the winding station.

Specifically, referring to fig. 10, the wire unwinding device 200 includes a welding unwinding shaft on which a wire coil is sleeved, and an unwinding driving member that drives the unwinding shaft to rotate so that the wire coil unwinds the welding wire. Wherein, the unreeling shaft can adopt an air expansion shaft or a slip shaft; the unreeling driving piece can adopt a servo motor or a magnetic powder box.

Further, the wire unwinding device 200 further includes a straightening mechanism 210 disposed downstream of the unwinding shaft for straightening the unwound wire, so as to improve the quality of the wire and ensure the uniformity of the wire winding on the tray 10. The straightening mechanism includes a plurality of rollers arranged alternately and in a staggered manner, and the straightening mechanism 210 is prior art and will not be described herein.

Further, the wire unwinding device 200 further comprises a guide wheel 220 arranged at the downstream of the straightening mechanism 210, a groove for the wire to pass through is formed in the wheel surface of the guide wheel 220, and the guide wheel is rotatably arranged and can guide the wire to move downstream.

Specifically, the tray feeding device 300 includes a conveying mechanism for conveying the tray 10 to the feeding station, and a carrying mechanism capable of extracting the tray 10 at the feeding station and conveying the tray 10 to the winding station. Wherein, the conveying mechanism can adopt equipment such as a conveying belt, a conveying roller and the like; the carrying mechanism can adopt equipment such as a crown block, a mechanical arm and the like.

Further, the tray feeding device 300 further includes a positioning mechanism 310, which is disposed at the feeding station and can adjust the state of each tray 10 entering the feeding station, so that the positions of the first threading grooves 13 on each tray 10 are uniform. For example, the positioning mechanism 310 may make each tray 10 have the state shown in fig. 1, and at this time, the first hooking groove 13 of the tray 10 extracted from the loading station by the carrying mechanism is located right above the left end of the material barrel 11; thus, after the tray 10 is conveyed to the winding station, the positions of the first wire hooking grooves 13 on the tray 10 are uniform and are opposite to the starting end of the bent welding wire.

The positioning mechanism 310 includes a detecting element 311 (such as a photoelectric sensor) and a rotating element 312, and the rotating element 312 can drive the tray 10 at the feeding station to rotate around the central axis of the barrel 11, so that the detecting element 311 detects that the first threading slot 13 is at the preset position.

Specifically, the blanking device 400 comprises a clamping mechanism 410 and a receiving mechanism 420, wherein the clamping mechanism 410 is located at a winding station and can clamp two ends of the tray 10 and drive the tray 10 to rotate so as to pull the welding wire to wind the barrel 11; after the welding wire is terminated, the receiving mechanism 420 can receive the tray 10, and when the clamping mechanism 410 releases the tray 10, the receiving mechanism 420 can carry the tray 10 to move downstream.

Therein, the clamping mechanism 410 comprises a clamp 411 and a rotary drive assembly 412. The pick-up mechanism 420 includes a pick-up plate 421 and a pick-up drive 422 for driving the pick-up plate to move.

Further, to facilitate close winding of the welding wire in the axial direction of barrel 10. In one embodiment, during the winding process, the tray 10 reciprocates in a first direction; when the material tray 10 is at the winding station, the barrel 11 of the material tray extends along the first direction. So that barrel 10 is reciprocated axially thereof to facilitate laying of the welding wire on barrel 10 and to facilitate arranging the welding wire on barrel 11 layer by layer.

In another embodiment, the layer winding machine further includes a wire arranging device 500 connected to the wire unwinding device 200 and capable of driving the wire unwinding device 200 to reciprocate along the first direction. The traverse 500 may be an electric cylinder, a module, or other linear driving components. In the winding process, the tray 10 continuously rotates and draws the welding wire to perform winding movement, and meanwhile, the welding wire reciprocates along the first direction so as to be flatly laid on the charging barrel 11.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.