Wire cut-off machine

Abstract

The utility model discloses a wire rod cut-off machine which comprises a straightening mechanism and a cut-off mechanism, the straightening mechanism comprises a first straightening assembly and a second straightening assembly which are arranged in a crossed mode, and the first straightening assembly and the second straightening assembly respectively comprise a plurality of first straightening parts and a plurality of second straightening parts. The first straightening parts and the second straightening parts are sequentially distributed in a staggered mode in the wire conveying direction, and the straightening directions of the first straightening parts and the straightening directions of the second straightening parts are different. According to the device, the multiple first straightening parts and the multiple second straightening parts are sequentially staggered in different directions to conduct straightening work on the wires, the straightening effect is improved, the situation that due to the fact that the wires are not straight, the cutting length deviates can be avoided, and the quality of the wires is improved. And the wire quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of wire material processing, in particular to a wire material cutting machine. Background Art

[0002] In the current wire processing process, the wire needs to be cut into sections of fixed lengths, and the wire is generally cut by upper and lower cutters of an existing wire cutting device.

[0003] Publication number CN102366805A provides a wire cutting machine, which mainly includes a support frame, a circular tray, a machine table and a punch. Two groups of feed pipes are horizontally installed on one side of the machine table close to the support frame, and several groups of longitudinal rotating rollers are set up between the two groups of feed pipes. The wire is straightened by the rotating roller assembly and then enters the inner layer feed pipe, and then enters the fixed frame with holes. After extending out, the wire is cut by the punch.

[0004] However, the existing wire cutting machine can only perform straightening in a single direction, and the straightening effect is poor, so that the wire cutting length is prone to deviation, resulting in a high scrap rate. Utility Model Content

[0005] The purpose of the utility model is to overcome the above technical deficiencies and to provide a wire cutting machine to solve the technical problem that the wire cutting machine in the prior art can only perform straightening in a single direction and has a poor straightening effect.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0007] The utility model provides a wire cutting machine, comprising:

[0008] A straightening mechanism, the straightening mechanism comprising a first straightening assembly and a second straightening assembly arranged crosswise, the first straightening assembly and the second straightening assembly respectively comprising a plurality of first straightening parts and a plurality of second straightening parts, the plurality of first straightening parts and the plurality of second straightening parts are staggered in sequence along the wire conveying direction, and the straightening direction of the first straightening part is different from the straightening direction of the second straightening part; and,

[0009] A cutting mechanism, wherein the cutting end of the cutting mechanism is arranged at the wire material discharging end of the straightening mechanism, and is used for cutting the wire material.

[0010] In some embodiments, each of the first straightening sections includes at least one first straightening roller and at least one second straightening roller, and the first straightening roller and the second straightening roller are respectively arranged in parallel on both sides of the wire rod; each of the second straightening sections includes at least one third straightening roller and at least one fourth straightening roller, and the third straightening roller and the fourth straightening roller are respectively arranged in parallel on the other opposite sides of the wire rod; the first straightening roller is perpendicular to the third straightening roller; the first straightening roller and the second straightening roller are both arranged vertically, and the third straightening roller and the fourth straightening roller are both arranged horizontally.

[0011] In some embodiments, the first straightening assembly further includes a first adjusting member, the first adjusting member having a first fixed end and a first movable end capable of moving relative to the first fixed end, the first fixed end and the first movable end are respectively connected to the first straightening roller and the second straightening roller, so as to adjust the distance between the first straightening roller and the second straightening roller by the relative movement of the first movable end and the first fixed end. The second straightening assembly further includes a second adjusting member, the second adjusting member is vertically arranged on one side of the first adjusting member, and has a second fixed end and a second movable end capable of moving relative to the second fixed end, the second fixed end and the second movable end are respectively connected to the third straightening roller and the fourth straightening roller, so as to adjust the distance between the third straightening roller and the fourth straightening roller by the relative movement of the second movable end and the second fixed end; the spacing between the first straightening roller and the second straightening roller, and between the third straightening roller and the fourth straightening roller are adjustable, so as to adapt to wires of different wire diameters.

[0012] In some embodiments, the first adjusting member includes a base plate, a first fixed rod, a first movable rod and a first adjusting bolt. The first fixed rod and the first movable rod are both arranged above the base plate, and the first fixed rod is fixedly connected to the base plate. The first straightening roller and the second straightening roller are respectively rotatably arranged on the first fixed rod and the first movable rod. The first adjusting bolt penetrates the first movable rod and is threadedly connected to the first fixed rod, and the first movable rod is rotatably connected to the first adjusting bolt. By rotating the first adjusting bolt, the first movable rod is driven to move toward or away from the first fixed rod, so as to achieve the adjustment of the first straightening roller and the second straightening roller to be closer or farther away.

[0013] In some embodiments, the second adjusting member includes a vertical plate, a second fixed rod, a second movable rod and a second adjusting bolt. The second fixed rod and the second movable rod are both arranged on one side of the vertical plate, and the second fixed rod is fixedly connected to the vertical plate. The third straightening roller and the fourth straightening roller are respectively rotatably arranged on the second fixed rod and the second movable rod. The second adjusting bolt penetrates the second movable rod and is threadedly connected to the second fixed rod, and the second movable rod is rotatably connected to the second adjusting bolt. By rotating the second adjusting bolt, the second movable rod is driven to move toward or away from the second fixed rod, so as to realize the adjustment of the third straightening roller and the fourth straightening roller to be closer or farther away.

[0014] In some embodiments, the cutting mechanism includes an upper cutting knife and a lower cutting knife arranged opposite to each other and a driving member, wherein the driving member is connected to the upper cutting knife and drives the upper cutting knife to move relative to the lower cutting knife to cut the wire between the upper cutting knife and the lower cutting knife.

[0015] In some embodiments, the wire cutting machine further includes a wire feed assembly, a wire feed roller group, and a wire tube arranged in sequence from the wire discharge end of the straightening mechanism to the cutting end of the cutting mechanism, the wire feed assembly having a wire lead hole for the wire to pass through, the wire feed roller group including two wire feed rollers arranged in parallel, the wire lead gap between the two wire feed rollers corresponding to the wire lead hole, and the two ends of the wire tube corresponding to the wire lead gap and the cutting end of the cutting mechanism, respectively. The wire feed assembly includes a support seat and a lead disk, the lead disk is rotatably connected to the support seat, and its rotating shaft is pre-tightened and fixed to the support seat by bolts; with the center of the lead disk as a reference, a plurality of lead holes of different diameters are arranged in a circular array at the eccentric position of the lead disk to accommodate different wire diameters.

[0016] Compared with the prior art, the wire cutting machine provided by the utility model has a straightening mechanism, and the first straightening component and the second straightening component of the straightening mechanism are cross-arranged, so that the straightening direction of the first straightening part and the straightening direction of the second straightening part are different, and the wire can be straightened in different directions, and a plurality of first straightening parts and a plurality of second straightening parts are staggered in sequence along the wire conveying direction, and the straightening work of the wire can be staggered in different directions, and the straightening effect is good, which can avoid the situation of cutting length deviation due to the non-straight wire, and is beneficial to improving the quality of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the wire cutting machine provided by the embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall front view structure of the wire cutting machine provided by an embodiment of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of a straightening mechanism of a wire cutting machine provided in an embodiment of the utility model;

[0020] Figure 4 It is a structural schematic diagram of a cutting mechanism, a wire feed assembly, a wire feed roller assembly and a wire tube of a wire cutting machine provided in an embodiment of the utility model;

[0021] Figure 5 It is a structural schematic diagram of a wire feed assembly of a wire cutting machine provided in an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1. Straightening mechanism; 11. First straightening assembly; 111. First straightening roller; 112. Second straightening roller; 12. Second straightening assembly; 121. Third straightening roller; 122. Fourth straightening roller; 13. First adjusting member; 131. Bottom plate; 132. First fixed rod; 133. First movable rod; 134. First adjusting bolt; 14. Second adjusting member; 141. Vertical plate; 142. Second fixed rod; 143. Second movable rod; 144. Second adjusting bolt; 15. Wire roller;

[0024] 2. Cutting mechanism; 21. Upper cutting knife; 22. Lower cutting knife; 23. Driving member;

[0025] 3. Inlet assembly; 31. Support seat; 32. Lead plate; 33. Lead hole;

[0026] 4. Wire feed roller set; 5. Wire tube; 6. Workbench. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0028] In order to solve the technical problem that a wire cutting machine can only perform straightening in a single direction and has a poor straightening effect, the utility model provides a wire cutting machine, which can have a plurality of first straightening parts and a plurality of second straightening parts sequentially and alternately perform straightening work on the wire in different directions, thereby improving the straightening effect.

[0029] See also Figures 1 to 3A wire cutting machine includes: a straightening mechanism 1 and a cutting mechanism 2, the straightening mechanism 1 includes a first straightening component 11 and a second straightening component 12 arranged crosswise, the first straightening component 11 and the second straightening component 12 respectively include a plurality of first straightening parts and a plurality of second straightening parts, the plurality of first straightening parts and the plurality of second straightening parts are staggered in sequence along the wire conveying direction, and the straightening direction of the first straightening part is different from the straightening direction of the second straightening part; the cutting end of the cutting mechanism 2 is arranged at the wire discharging end of the straightening mechanism 1, for cutting the wire.

[0030] In this device, a straightening mechanism 1 and a cutting mechanism 2 are provided. The wire is first straightened by the straightening mechanism 1, and then discharged from the wire discharging end of the straightening mechanism 1 into the cutting end of the cutting mechanism 2, and the wire is cut by the cutting end of the cutting mechanism 2; the first straightening component 11 and the second straightening component 12 are arranged crosswise, and a plurality of first straightening parts and a plurality of second straightening parts are staggered in sequence along the wire conveying direction, and the straightening direction of the first straightening part is different from that of the second straightening part, so that when the wire is straightened, it will pass through the first straightening part and the second straightening part again after passing through the first straightening part and the second straightening part, so that the straightening work is staggered in different directions of the wire, and the straightening effect is better.

[0031] In order to achieve straightening of the wire, in some embodiments, refer to Figure 3 Each of the first straightening sections includes at least one first straightening roller 111 and at least one second straightening roller 112 respectively arranged in parallel on both sides of the wire rod, wherein the first straightening roller 111 and the second straightening roller 112 are both arranged vertically; each of the second straightening sections includes at least one third straightening roller 121 and at least one fourth straightening roller 122 respectively arranged in parallel on both sides of the wire rod, wherein the third straightening roller 121 and the fourth straightening roller 122 are both arranged horizontally, and the first straightening roller 111 is perpendicular to the third straightening roller 121.

[0032] Preferably, in this embodiment, two first straightening parts and two second straightening parts are provided, the first straightening roller 111 and the second straightening roller 112 are both arranged vertically, the first straightening roller 111 is arranged behind the second straightening roller 112, the third straightening roller 121 and the fourth straightening roller 122 are both arranged horizontally in the longitudinal direction, the third straightening roller 121 is arranged below the fourth straightening roller 122, and from right to left, the first group of first straightening parts includes two first straightening rollers 111 and one second straightening roller 112, and the second The first straightening section of the first group includes a first straightening roller 111 and two second straightening rollers 112, wherein the first straightening roller 111 and the second straightening roller 112 are staggered, the first group of second straightening sections includes a third straightening roller 121 and two fourth straightening rollers 122, and the second group of second straightening sections includes two third straightening rollers 121 and one fourth straightening roller 122, wherein the third straightening roller 121 and the fourth straightening roller 122 are staggered, so that the straightening mechanism 1 can realize the staggered transverse straightening and vertical straightening.

[0033] Furthermore, two parallel wire rollers 15 are provided at the wire inlet end of the straightening mechanism 1 to guide the wire into the first straightening part.

[0034] Since there are many different wire diameters, in order to improve the applicability of the device, in some embodiments, a first adjusting member 13 and a second adjusting member 14 are provided. The first adjusting member 13 is used to adjust the distance between the first straightening roller 111 and the second straightening roller 112, and the second adjusting member 14 is used to adjust the distance between the third straightening roller 121 and the fourth straightening roller 122.

[0035] Specifically, the first adjusting member 13 has a first fixed end and a first movable end that can move relative to the first fixed end, and the first fixed end and the first movable end are respectively connected to the first straightening roller 111 and the second straightening roller 112, so that the distance between the first straightening roller 111 and the second straightening roller 112 can be adjusted by the relative movement of the first movable end and the first fixed end. The second adjusting member 14 is vertically arranged on one side of the first adjusting member 13, and has a second fixed end and a second movable end that can move relative to the second fixed end, and the second fixed end and the second movable end are respectively connected to the third straightening roller 121 and the fourth straightening roller 122, so that the distance between the third straightening roller 121 and the fourth straightening roller 122 can be adjusted by the relative movement of the second movable end and the second fixed end.

[0036] In this example, see Figure 3The first adjusting member 13 includes a bottom plate 131, a first fixed rod 132, a first movable rod 133 and a first adjusting bolt 134. The bottom plate 131 is fixedly arranged on the workbench 6. A plurality of the first straightening rollers 111 are rotatably connected to the first fixed rod 132, and a plurality of the second straightening rollers 112 are rotatably connected to the first movable rod 133. The first fixed rod 132 and the first movable rod 133 are both arranged above the bottom plate 131, and the first fixed rod 132 is fixedly connected to the bottom plate 131. The first movable rod 133 can slide on the top of the bottom plate 131. Two first adjusting bolts 134 are arranged, which are respectively located at the two ends of the first movable rod 133, and penetrate the first movable rod 133 and are threadedly connected to the first threaded hole opened on the first fixed rod 132. The first movable rod 133 is rotatably connected to the first adjusting bolt 134. By rotating the first adjusting bolt 134, the first movable rod 133 can be driven to move relative to the first fixed rod 132 to adjust the straightening gap.

[0037] In this example, see Figure 3 The second adjusting member 14 includes a vertical plate 141, a second fixed rod 142, a second movable rod 143 and a second adjusting bolt 144. The vertical plate 141 is located on one side of the bottom plate 131 and is fixedly mounted on the workbench 6. The second fixed rod 142 and the second movable rod 143 are both arranged on one side of the vertical plate 141. The second movable rod 143 is arranged above the second fixed rod 142. The plurality of third straightening rollers 121 are all rotatably connected to the second fixed rod 142. The plurality of fourth straightening rollers 122 are all rotatably connected to the second movable rod 143. The rod 142 is fixedly connected to the vertical plate 141, and the second movable rod 143 can slide on one side of the vertical plate 141. Two second adjusting bolts 144 are provided, which are respectively located at the two ends of the second movable rod 143, and penetrate the second movable rod 143 and are threadedly connected with the second threaded hole opened on the second fixed rod 142. The second movable rod 143 is rotatably connected with the second adjusting bolt 144, so that the second movable rod 143 can be driven to move relative to the second fixed rod 142 by rotating the second adjusting bolt 144 to adjust the straightening gap of the second adjusting member 14.

[0038] In order to cut the wire, in some embodiments, refer to Figure 1 , Figure 2 and Figure 4 The cutting mechanism 2 includes an upper cutting knife 21 and a lower cutting knife 22, which are arranged opposite to each other up and down. The cutting mechanism 2 also includes a driving member 23, which is fixedly connected to the upper cutting knife 21 and can drive the upper cutting knife 21 to move downward. By driving the upper cutting knife 21 to move relative to the lower cutting knife 22, the wire between the upper cutting knife 21 and the lower cutting knife 22 can be cut.

[0039] It should be noted that the driving member 23 can be a cylinder, a hydraulic cylinder, an electric telescopic rod or a ball screw mechanism, etc., which is not limited here.

[0040] In order to facilitate the accurate feeding of the wire into the space between the two cutting knives, in some embodiments, refer to Figure 1 , Figure 2 and Figure 4 The wire cutting machine also includes a wire feed assembly 3, a wire feed roller group 4 and a wire tube 5. The wire feed assembly 3, the wire feed roller group 4 and the wire tube 5 are arranged in sequence from the wire discharge end of the straightening mechanism 1 to the cutting end of the cutting mechanism 2, that is, they are arranged in sequence along the conveying direction of the wire; the wire feed assembly 3 has a wire lead hole 33 for the wire to pass through, the wire feed roller group 4 includes two wire feed rollers arranged in parallel, and the wire lead gap between the two wire feed rollers corresponds to the wire lead hole 33, so that the wire can be limited and led through the wire lead hole 33 and the wire lead gap between the two wire feed rollers, wherein the central axis of at least one wire feed roller is connected to the motor, and the wire feed roller can be driven to rotate by the motor to realize the wire feeding process; the two ends of the wire tube 5 correspond to the wire lead gap and the cutting end of the cutting mechanism 2, respectively, so that the wire can extend into between the two cutting knives through the wire tube 5 to cut the wire.

[0041] Specifically, in this embodiment, please refer to Figure 4 and Figure 5 The wire feed assembly 3 includes a support seat 31 and a lead disk 32. The lead disk 32 is rotatably connected to the support seat 31. A bolt is provided between the rotating shaft and the support seat 31. By tightening the bolt, the lead disk 32 and the support seat 31 can be pre-tightened and fixed; with the center of the lead disk 32 as a reference, a plurality of lead holes 33 are provided in an annular array at the eccentric position of the lead disk 32. The diameters of the plurality of lead holes 33 are different, and they can accommodate wires of different wire diameters. One of the lead holes 33 corresponds to the middle position of the lead gap between the two wire feed rollers. When it is implemented, the bolt is loosened to rotate the lead disk 32. After adjusting the appropriate lead hole 33 to correspond to the middle position of the lead gap between the two wire feed rollers, the bolt is tightened again to adjust the lead disk 32.

[0042] Working principle: Before cutting, the straightening gap and the lead disk 32 of the straightening mechanism 1 are adjusted according to the wire diameter. The first adjusting bolt 134 is rotated to drive the first movable rod 133 to move relative to the first fixed rod 132, and the second straightening roller 112 to move relative to the first straightening roller 111. The second adjusting bolt 144 is rotated to drive the second movable rod 143 to move relative to the second fixed rod 142, and the fourth straightening roller 122 to move relative to the third straightening roller 121, so as to adjust the straightening gap. The lead disk 32 can be rotated by loosening the bolt. , adjust the appropriate wire lead hole 33 to correspond to the middle position of the wire lead gap between the two wire feed rollers, and then tighten the bolts to adjust the wire lead disk 32. During implementation, the wires are alternately passed between the first straightening roller 111 and the second straightening roller 112 and between the third straightening roller 121 and the fourth straightening roller 122, and staggered straightening in different directions is performed. The straightened wires pass through the wire lead hole 33, between the two wire feed rollers and the wire tube 5 in turn, and are finally output to between the upper cutting knife 21 and the upper cutting knife 21. The upper cutting knife 21 is driven downward by the driving member 23 to cut the wires.

[0043] The utility model provides a straightening mechanism 1, and the first straightening component 11 and the second straightening component 12 of the straightening mechanism 1 are cross-arranged, so that the straightening direction of the first straightening part and the straightening direction of the second straightening part are different, and the wire can be straightened in different directions, and a plurality of first straightening parts and a plurality of second straightening parts are staggered in sequence along the wire conveying direction, and the straightening work of the wire can be staggered in different directions, and the straightening effect is good, and the situation of cutting length deviation due to the non-straight wire can be avoided, which is beneficial to improving the quality of the wire.

[0044] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A wire cutting machine, characterized in that: include: A straightening mechanism, the straightening mechanism comprising a first straightening assembly and a second straightening assembly arranged crosswise, the first straightening assembly and the second straightening assembly respectively comprising a plurality of first straightening parts and a plurality of second straightening parts, the plurality of first straightening parts and the plurality of second straightening parts are sequentially staggered and distributed along the wire conveying direction, and the straightening direction of the first straightening part is different from the straightening direction of the second straightening part; as well as, A cutting mechanism, wherein the cutting end of the cutting mechanism is arranged at the wire material discharging end of the straightening mechanism, and is used for cutting the wire material.

2. The wire cutting machine according to claim 1, characterized in that: Each of the first straightening sections includes at least one first straightening roller and at least one second straightening roller respectively arranged in parallel on both sides of the wire rod, and each of the second straightening sections includes at least one third straightening roller and at least one fourth straightening roller respectively arranged in parallel on both sides of the wire rod, and the first straightening roller is perpendicular to the third straightening roller.

3. The wire cutting machine according to claim 2, characterized in that: The first straightening roller and the second straightening roller are both arranged vertically, and the third straightening roller and the fourth straightening roller are both arranged horizontally.

4. The wire cutting machine according to claim 3, characterized in that: The first straightening assembly also includes a first adjusting member, which has a first fixed end and a first movable end that can move relative to the first fixed end, and the first fixed end and the first movable end are respectively connected to the first straightening roller and the second straightening roller to adjust the distance between the first straightening roller and the second straightening roller through the relative movement of the first movable end and the first fixed end.

5. The wire cutting machine according to claim 4, characterized in that: The first adjusting member includes a base plate, a first fixed rod, a first movable rod and a first adjusting bolt. The first fixed rod and the first movable rod are both arranged above the base plate, and the first fixed rod is fixedly connected to the base plate. The first straightening roller and the second straightening roller are both rotatably arranged on the first fixed rod and the first movable rod, respectively. The first adjusting bolt penetrates the first movable rod and is threadedly connected to the first fixed rod. The first movable rod is rotatably connected to the first adjusting bolt.

6. The wire cutting machine according to claim 5, characterized in that: The second straightening assembly also includes a second adjusting member, which is vertically arranged on one side of the first adjusting member, and has a second fixed end and a second movable end that can move relative to the second fixed end, and the second fixed end and the second movable end are respectively connected to the third straightening roller and the fourth straightening roller to adjust the distance between the third straightening roller and the fourth straightening roller through the relative movement of the second movable end and the second fixed end.

7. The wire cutting machine according to claim 6, characterized in that: The second adjusting member includes a vertical plate, a second fixed rod, a second movable rod and a second adjusting bolt. The second fixed rod and the second movable rod are both arranged on one side of the vertical plate, and the second fixed rod is fixedly connected to the vertical plate. The third straightening roller and the fourth straightening roller are both rotatably arranged on the second fixed rod and the second movable rod, respectively. The second adjusting bolt passes through the second movable rod and is threadedly connected to the second fixed rod. The second movable rod is rotatably connected to the second adjusting bolt.

8. The wire cutting machine according to claim 1, characterized in that: The cutting mechanism comprises an upper cutting knife and a lower cutting knife which are arranged opposite to each other and a driving member, wherein the driving member is connected to the upper cutting knife and drives the upper cutting knife to move relative to the lower cutting knife to cut the wire between the upper cutting knife and the lower cutting knife.

9. The wire cutting machine according to claim 1, characterized in that: The wire cutting machine also includes a wire feed assembly, a wire feed roller group and a wire tube which are arranged in sequence from the wire discharge end of the straightening mechanism to the cutting end of the cutting mechanism. The wire feed assembly has a wire lead hole for the wire to pass through. The wire feed roller group includes two wire feed rollers arranged in parallel. The wire lead gap between the two wire feed rollers corresponds to the wire lead hole. The two ends of the wire tube correspond to the wire lead gap and the cutting end of the cutting mechanism, respectively.

10. The wire cutting machine according to claim 9, characterized in that: The wire feeder assembly includes a support seat and a lead tray, the lead tray is rotatably connected to the support seat, and the rotating shaft is pre-tightened and fixed to the support seat by bolts; with the center of the lead tray as a reference, a plurality of lead holes of different diameters are arranged in a circular array at an eccentric position of the lead tray.

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