Wire cutting device and process

Abstract

The application discloses a wire cutting device, which comprises a base, a cutting knife arranged on the base for cutting the wire, a guide block arranged on the base for limiting the wire, a top cutting mechanism arranged on the base for synchronously cutting multiple groups of wires with different lengths, a side position arc-shaped seat fixedly connected to the base, a horizontal frame plate movably arranged on the side position arc-shaped seat, a rectangular slot formed in the side position arc-shaped seat and used for horizontal sliding of the horizontal frame plate, a clamping assembly arranged on the horizontal frame plate and used for fixing the wire, and a pressing and cutting assembly arranged on the central link and used for cutting the wire. The top cutting mechanism is arranged, so that the multiple groups of wires with different lengths can be synchronously cut, the efficiency of harness processing is improved, the demand of large-scale production is met, the cutting requirement of the longer wire can be met when the length of the processing platform is limited, and the applicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wire cutting, in particular to a wire cutting device and process. BACKGROUND

[0002] In modern industrial production, wire harnesses are widely used in various fields such as automobiles, electronics and electrical appliances, communication equipment, and medical treatment. Medical wire harnesses play a crucial role in medical equipment, and their main functions and uses include the following aspects: signal and data transmission, power transmission, connection and interface functions, and support for the cooperative operation of complex medical equipment.

[0003] Chinese patent (publication number: CN117564191B), the specific steps of which include: a unwinding device adapted to unwind wire; a guide device provided on one side of the unwinding device, the guide device is adapted to guide the wire unwound by the unwinding device; a clamping device provided on one side of the guide device, the clamping device is adapted to clamp the wire guided by the guide device; a shearing device provided on one side of the clamping device, the shearing device is adapted to shear the wire clamped by the clamping device; the straightness of the wire during unwinding is maintained, and the quality of the wire during subsequent wire processing and shearing is ensured.

[0004] The wire processing equipment in the above-mentioned patent determines the cutting length by the horizontal distance between the shearing device and the clamping device during the cutting process. However, the lengths of the wires in the wire harnesses are different, making it difficult to achieve synchronous cutting of wire harnesses of different lengths and improve production efficiency. Moreover, when the length of the wire to be cut is large, the distance of the wire to be pulled is also long, i.e., the processing platform needs to have sufficient effective length to meet the cutting requirements of long wires. The length of the processing platform of the existing equipment is limited, making it difficult to cope with such situations. This limitation not only increases the complexity and cost of the equipment, but also limits its application range, making it difficult to meet the needs of multi-specification wire harness processing. Therefore, a wire cutting device and process are proposed. SUMMARY

[0005] The present application aims to provide a wire cutting device and process that can achieve synchronous cutting of multiple groups of wires of different lengths and improve applicability, solving the problem of the need for a processing platform with sufficient effective length to meet the cutting requirements of long wires.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a wire cutting device, including a base and a cutting knife provided thereon for cutting wires, and a guide block provided on the base for limiting the wires, and a top cutting mechanism provided on the base for synchronously cutting multiple groups of wires of different lengths.

[0007] The top cutting mechanism comprises an edge position arc-shaped seat fixedly connected to the base, a horizontal frame plate freely moving in the horizontal transverse direction is arranged on the edge position arc-shaped seat, a rectangular groove for horizontal transverse sliding of the horizontal frame plate is arranged on the edge position arc-shaped seat, and a clamping assembly for fixing the wire is arranged on the horizontal frame plate;

[0008] A triangular positioning seat is fixedly connected to the base, a same-position cylinder freely rotating in the horizontal direction is arranged on the triangular positioning seat, a left turning lever, a middle turning lever and a right turning lever freely moving in the vertical direction are arranged on the same-position cylinder, and a pressing and cutting assembly for cutting the wire is arranged on the middle turning lever;

[0009] The left turning lever, the middle turning lever and the right turning lever are all slidingly penetrated into the triangular positioning seat, and a middle arch assembly for adjusting the length of the wire between the clamping assembly and the pressing and cutting assembly is arranged on the left turning lever;

[0010] The base is provided with an interaction assembly for alternately driving the horizontal transverse movement of the horizontal frame plate and the horizontal rotation of the same-position cylinder.

[0011] Preferably, the clamping assembly comprises a push seat arranged on the horizontal frame plate, a groove one for horizontal longitudinal sliding of the push seat is arranged on the horizontal frame plate, a return spring is fixedly connected to one end of the push seat away from the edge position arc-shaped seat, one end of the return spring away from the push seat is fixedly connected to the horizontal frame plate, a moving clamping block and a fixed clamping block facing each other are arranged below the push seat, and the moving clamping block and the fixed clamping block are respectively fixedly connected to the push seat and the horizontal frame plate;

[0012] A cam freely rotating in the horizontal direction is fixedly connected to the horizontal frame plate and rotates on an axis, a ball head column slidingly penetrated into the horizontal frame plate is arranged on one side of the cam facing the push seat, the ball head column and the push seat are fixedly connected, and the outer circumferential surface of the cam and the ball head column are in sliding contact.

[0013] Preferably, a plurality of mounting seats are fixedly connected to the base, a horizontal shaft freely moving in the horizontal transverse direction and freely rotating in the horizontal terminal is slidingly penetrated into the mounting seat, a horizontal rack is arranged below the horizontal shaft, and a groove one for horizontal sliding connection of the horizontal rack is arranged on the base;

[0014] A limiting pin is fixedly connected to the horizontal rack, a spiral limiting groove for sliding connection of the limiting pin is arranged on the horizontal shaft, two groups of protrusions are fixedly connected to one end of the horizontal shaft away from the spiral limiting groove, two groups of arc-shaped grooves for sliding connection of the protrusions and a horizontal blocking groove penetrating the two groups of arc-shaped grooves are arranged on the edge position arc-shaped seat.

[0015] Preferably, a worm is fixedly sleeved on the horizontal shaft, the horizontal shaft rotates on an axis on the horizontal frame plate, both ends of the worm are in sliding contact with the inner wall of the horizontal frame plate, the worm is meshingly connected with a worm wheel, the worm wheel rotates on an axis on the horizontal frame plate and is coaxially fixed with the cam.

[0016] Preferably, the pressing and cutting assembly comprises a plurality of side ear rods fixedly connected to the center-oriented elbow lever, a central gear rotatably arranged on the side ear rods, and left and right oriented slide racks oppositely arranged and connected with the central gear, a support bracket fixedly connected to the base, vertical sliding grooves respectively provided in the support bracket and vertically slidably arranged for the left and right oriented slide racks, a pressing plate fixedly connected to one end of the right oriented slide rack and abuttingly connected with the wire, and the left oriented slide rack fixedly connected between the other end of the left oriented slide rack and the cutting tool.

[0017] Preferably, two groups of guide pin columns are fixedly connected to the left, center and right oriented elbow levers, and a same-position cylinder is fixedly connected with a first guide spiral plate, a second guide spiral plate and a third guide spiral plate on the outer periphery thereof, and the two groups of guide pin columns arranged on the left, center and right oriented elbow levers are respectively in sliding contact with the first, second and third guide spiral plates.

[0018] One end of the right oriented elbow lever is fixedly connected with a horizontal position column.

[0019] Preferably, the center-arch assembly comprises a plurality of top extension rods arranged on the left oriented elbow lever, and the plurality of top extension rods are slidably arranged on the left oriented elbow lever and detachably connected to the left oriented elbow lever by bolts.

[0020] The plurality of top extension rods are below the base in the initial state.

[0021] Preferably, the cross modulation assembly comprises a sector gear rotatably arranged on the base, a swing gear and a side gear rotatably connected with the sector gear, the side gear is coaxially fixed between the same-position cylinder and the swing gear is rotatably arranged on the base.

[0022] The side arc-shaped seat is fixedly connected with an inner cavity seat, the swing gear is provided with a reciprocating gear rotatably arranged on the side of the inner cavity seat in the vertical direction, and the reciprocating gear is rotatably connected with the horizontal rack.

[0023] The lower surface of the sector gear is fixedly connected with a notched arc plate, and the swing gear and the side gear are fixedly connected with inner arc plates slidably connected with the outer periphery of the notched arc plate.

[0024] Preferably, an inner threaded cylinder is rotatably arranged on the inner cavity seat, a screw rod is threadedly connected to the inner threaded cylinder, a rectangular block is fixedly connected to the screw rod, a groove two is provided in the inner cavity seat and horizontally and longitudinally slidably connected with the rectangular block, a connecting rod is rotatably arranged on the swing gear and away from the rectangular block.

[0025] The reciprocating gear is fixedly sleeved on the inner threaded cylinder.

[0026] Preferably, a wire cutting process, using a wire cutting device, comprises the following steps:

[0027] S1. Preparation: Place the coiled wire on the base and guide one end of the wire through the guide block to ensure that the lead-out lengths of multiple groups of wires at the guide block are consistent. Adjust the initial height of the extension rod according to the set cutting lengths of different wires.

[0028] S2, lateral traction: The clamping assembly clamps the wire and moves horizontally away from the guide block to the terminal position;

[0029] S3, arch lifting and traction: The middle arch assembly drives the top extension rod to support and lift the middle part of the wire according to the set height of the top extension rod, so as to further pull the wire and change the effective pulling length of the wire between the clamping assembly and the pressing and cutting assembly;

[0030] S4, pressing and cutting: The pressing and cutting component first clamps the wire near the guide block to ensure cutting accuracy, and then cuts the wire under the action of the cutter to complete a single cut;

[0031] S5. Reset operation: After a single wire cutting is completed, the middle arch component and the pressing and cutting component return to their initial positions, driving the clamping component to reset and release the cut wire to achieve the reset process during continuous wire cutting.

[0032] Compared with the prior art, the present invention has the following beneficial effects:

[0033] 1. The present invention realizes the synchronous cutting of multiple groups of wires of different lengths by setting a top cutting mechanism, thereby improving the efficiency of wire harness processing and meeting the needs of large-scale production. When the length of the processing platform is limited, it can meet the cutting requirements of longer wires, thereby improving the applicability of the equipment.

[0034] 2. The present invention provides a pressing and cutting assembly, which can first compress the wire material and then perform the cutting operation, thereby avoiding the deviation of the wire material during the cutting process, thereby ensuring the cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0036] Figure 2 This is a schematic diagram of the components where the extension rod of the present invention is located;

[0037] Figure 3 This is a schematic diagram of the components where the transverse axis of the present invention is located;

[0038] Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle;

[0039] Figure 5 For the invention Figure 3 Enlarged view at B in the invention;

[0040] Figure 6 For the invention push seat parts schematic diagram;

[0041] Figure 7 For the invention spiral limiting slot parts schematic diagram;

[0042] Figure 8 For the invention position gear parts schematic diagram;

[0043] Figure 9 For the invention same position cylinder parts schematic diagram;

[0044] Figure 10 For the invention Figure 9 Enlarged view at C in the invention;

[0045] Figure 11 For the invention support bracket parts schematic diagram;

[0046] Figure 12 For the invention wire cutting device process flow chart.

[0047] Figure: 1, base; 2, side position arc-shaped seat; 3, transverse shaft; 4, mounting seat; 5, horizontal rack; 6, limiting pin; 7, spiral limiting slot; 8, protruding block; 9, arc-shaped slot; 10, transverse blocking slot; 11, worm; 12, worm gear; 13, cam; 14, ball head column; 15, transverse frame plate; 16, push seat; 17, moving clamp block; 18, fixed clamp block; 19, return spring; 20, reciprocating gear; 21, inner cavity seat; 22, inner threaded cylinder; 23, screw; 24, rectangular block; 25, connecting rod; 26, position gear; 27, sector gear; 28, side gear; 29, notched arc plate; 30, inner arc plate; 31, same position cylinder; 32, triangular positioning seat; 33, left turning lever; 34, middle turning lever; 35, right turning lever; 36, No. 1 guide spiral plate; 37, No. 2 guide spiral plate; 38, No. 3 guide spiral plate; 39, top extension rod; 40, flat position column; 41, side ear lever; 42, central gear; 43, left sliding rack; 44, right sliding rack; 45, support bracket; 46, cutting knife; 47, pressing plate; 48, guide block; 49, guide pin column. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0049] Referring to Figures 1 to 12 The application provides a technical scheme: a wire cutting device, comprising a base 1 and a cutting knife 46 arranged on the base 1 for cutting the wire, and a guide block 48 arranged on the base 1 for limiting the wire, and a top cutting mechanism arranged on the base 1 for cutting multiple groups of wires with different lengths synchronously;

[0050] The top cutting mechanism comprises a side-positioned arc-shaped seat 2 fixedly connected to the base 1, a horizontal frame plate 15 movably arranged on the side-positioned arc-shaped seat 2 in a horizontal transverse direction, and a rectangular slot formed in the side-positioned arc-shaped seat 2 for horizontal transverse sliding of the horizontal frame plate 15, and a clamping assembly arranged on the horizontal frame plate 15 for fixing the wire;

[0051] The base 1 is fixedly connected with a triangular positioning seat 32, the triangular positioning seat 32 is provided with a co-site cylinder 31 rotatable in a horizontal direction, the co-site cylinder 31 is provided with a leftward lever 33, a middle lever 34 and a rightward lever 35 movably arranged in a vertical direction, and the middle lever 34 is provided with a pressing cutting assembly for cutting the wire;

[0052] The leftward lever 33, the middle lever 34 and the rightward lever 35 are slidably arranged in the triangular positioning seat 32, and the leftward lever 33 is provided with a middle-arch assembly for adjusting the length of the wire between the clamping assembly and the pressing cutting assembly;

[0053] The base 1 is provided with an intermodulation assembly for alternately driving the horizontal transverse movement of the horizontal frame plate 15 and the horizontal rotation of the co-site cylinder 31.

[0054] As Figure 1 , Figure 2 and Figure 9 shown, when the wire is cut, the wire in a roll is placed on the base 1, one end of the wire is guided out at the guide block 48, and the lengths of multiple groups of wires guided out at the guide block 48 are consistent, in the initial state, the horizontal frame plate 15 is located on the side close to the guide block 48, the wire is fixed by the clamping assembly arranged on the horizontal frame plate 15, and then the horizontal frame plate 15 is driven to move away from the guide block 48 in the horizontal transverse direction by the intermodulation assembly, so as to pull the wire, until the horizontal frame plate 15 is located at the end position away from the guide block 48.

[0055] Meanwhile, under the drive of the cross assembly, the transverse frame plate 15 stops moving after reaching the terminal position, at which time the homopolar cylinder 31 can rotate in the horizontal direction, and the rotation of the homopolar cylinder 31 can change the horizontal height of the left, middle and right levers 33, 34 and 35, thereby driving the middle arch assembly on the left lever 33 to operate, which can support and lift the wire between the transverse frame plate 15 and the guide pin 49, and during the lifting of the wire, the wire is further pulled, thereby changing the effective pulling length of the wire between the clamping assembly and the cutting assembly.

[0056] In order to ensure the cutting accuracy of the wire, when cutting the wire, the wire near the guide block 48 can be clamped and fixed by the cutting assembly in advance, and then cut off by the cutting knife 46 to complete the single cutting purpose of the wire.

[0057] Meanwhile, after the single cutting of the wire is completed, the middle arch assembly and the cutting assembly return to the initial position, and then the clamping assembly is driven to reset and release the cut wire, and the cut wire is transferred by the external clamping jaw or mechanical hand device to achieve the continuous cutting purpose of the wire.

[0058] It should be noted that, in actual use, since the cut end of the wire is not straight but arched in the middle during cutting, when the length of the base 1 is limited, the clamping assembly can be moved a certain distance to achieve the purpose of pulling the wire of a larger length, thereby meeting the cutting requirements of longer wires, and when the cutting length of the wire is determined, the height of the middle part of the wire lifted by the middle arch assembly needs to be adjusted to ensure the cutting accuracy.

[0059] In a preferred embodiment, the clamping assembly includes a push seat 16 arranged on the transverse frame plate 15, the transverse frame plate 15 is provided with a groove one for horizontal and longitudinal sliding of the push seat 16, one end of the push seat 16 away from the edge arc-shaped seat 2 is fixedly connected with a reset spring 19, one end of the reset spring 19 away from the push seat 16 is fixedly connected on the transverse frame plate 15, and a movable clamping block 17 and a fixed clamping block 18 are arranged below the push seat 16, and the movable clamping block 17 and the fixed clamping block 18 are fixedly connected on the push seat 16 and the transverse frame plate 15 respectively.

[0060] The transverse frame plate 15 is provided with a cam 13 rotating around a fixed shaft and freely rotating in the horizontal direction, one side of the cam 13 facing the push seat 16 is provided with a ball head column 14 slidingly penetrating through the transverse frame plate 15, the ball head column 14 is fixedly connected between the cam 13 and the push seat 16, and the outer periphery of the cam 13 is in sliding contact with the ball head column 14.

[0061] As Figure 3 and Figure 6As shown, when the cam 13 rotates in the horizontal direction, it can press the ball head column 14 in sliding contact with it, and further drive the ball head column 14 and the push seat 16 fixedly arranged thereon to move in the horizontal longitudinal direction, wherein the push seat 16 is fixedly arranged with a plurality of groups of movable clamping blocks 17, and when the wire is fixed, the wire is between the movable clamping blocks 17 and the fixed clamping blocks 18, and by horizontal movement of the push seat 16, the horizontal distance between the movable clamping blocks 17 and the fixed clamping blocks 18 is changed, and when the movable clamping blocks 17 and the fixed clamping blocks 18 are both in contact with the surface of the wire, the purpose of clamping and fixing the wire is achieved.

[0062] At the same time, when the cut wire is released, the cam 13 can be reversely rotated, and under the action of the elastic potential energy of the return spring 19, the push seat 16 can be driven to return to the initial position, so that the movable clamping blocks 17 arranged thereon are away from the fixed clamping blocks 18, and the release of the wire is completed.

[0063] Further, a plurality of groups of mounting seats 4 are fixedly connected to the base 1, a horizontal shaft 3 that moves freely in the horizontal transverse direction and rotates freely at the horizontal terminal is slidably penetrated through the mounting seat 4, a horizontal rack 5 is arranged below the horizontal shaft 3, and a groove one is arranged on the base 1 for horizontal sliding connection of the horizontal rack 5.

[0064] A limiting pin 6 is fixedly connected to the horizontal rack 5, a spiral limiting groove 7 is arranged on the horizontal shaft 3 for sliding connection of the limiting pin 6, two groups of protrusions 8 are fixedly connected to one end of the horizontal shaft 3 away from the spiral limiting groove 7, two groups of arc-shaped grooves 9 are arranged on the side limit arc-shaped seat 2 for sliding connection of the protrusions 8, and a transverse blocking groove 10 penetrates through the two groups of arc-shaped grooves 9.

[0065] A worm 11 is fixedly sleeved on the horizontal shaft 3, and the horizontal shaft 3 is fixedly rotated on the horizontal frame plate 15, both ends of the worm 11 are in sliding contact with the inner wall of the horizontal frame plate 15, and the worm 11 is meshingly connected with a worm wheel 12, the worm wheel 12 is fixedly rotated on the horizontal frame plate 15 and coaxially fixed between the cam 13.

[0066] As Figure 3 , Figure 4 , Figure 6 and Figure 7As shown, under the driving of the alternate assembly, the horizontal rack 5 moves horizontally towards the co-located cylinder 31, while the protrusion 8 fixedly arranged on the transverse shaft 3 is at a group of arc-shaped grooves 9 and does not correspond to the transverse blocking groove 10, and then with the horizontal movement of the horizontal rack 5, the transverse shaft 3 cannot move horizontally synchronously with the horizontal rack 5, and then with the horizontal movement of the horizontal rack 5, the limiting pin 6 can be driven to slide on the spiral limiting groove 7, thereby driving the transverse shaft 3 to rotate in the vertical direction, wherein the transverse shaft 3 drives the worm 11 fixedly arranged thereon to rotate, and then drives the worm wheel 12 and the cam 13 coaxial with the worm wheel 12 to rotate in the horizontal direction, thereby driving the clamping assembly to clamp and fix the wire under the rotation of the cam 13.

[0067] At the same time, as the horizontal rack 5 continues to move towards the co-located cylinder 31, the protrusion 8 is at the junction of the arc-shaped groove 9 and the transverse blocking groove 10, and with the horizontal movement of the horizontal rack 5, the protrusion 8 on the transverse shaft 3 is not limited, and then the horizontal rack 5 can drive the transverse shaft 3 to move in the horizontal direction by the limiting pin 6.

[0068] At this time, the protrusion 8 enters the transverse blocking groove 10 and drives the protrusion 8 to slide at the transverse blocking groove 10 with the continuous horizontal movement of the horizontal rack 5, until the protrusion 8 enters another group of arc-shaped grooves 9, and at the same time, the transverse shaft 3 rotates around the axis on the transverse frame plate 15, so that the transverse frame plate 15 can move horizontally synchronously with the transverse shaft 3, and when the protrusion 8 moves to another group of arc-shaped grooves 9, the transverse frame plate 15 moves to the horizontal horizontal stroke end position.

[0069] On the basis of the embodiment of the clamping assembly, the cutting assembly comprises a plurality of side ear rods 41 fixedly connected to the central lever 34, a central gear 42 is rotatably arranged on the side ear rod 41, and the central gear 42 is meshingly connected with the leftward sliding rack 43 and the rightward sliding rack 44 arranged opposite to each other, a support bracket 45 is fixedly connected to the base 1, and a vertical sliding groove is respectively formed in the support bracket 45 for the vertical sliding of the leftward sliding rack 43 and the rightward sliding rack 44, the rightward sliding rack 44 is fixedly connected at one end thereof towards the base 1 with the pressing plate 47 in abutting connection with the wire, and the leftward sliding rack 43 is fixedly connected at one end thereof towards the base 1 with the cutting knife 46.

[0070] As shown in Figure 1 , Figure 9 and Figure 11 When the co-located cylinder 31 rotates in the horizontal direction, the horizontal height of the central lever 34 is changed, and when the cutting assembly is driven to cut the wire, the central lever 34 can drive the plurality of side ear rods 41 arranged thereon to descend synchronously, and then drive the cutting knife 46 arranged on the leftward sliding rack 43 and the pressing plate 47 arranged on the rightward sliding rack 44 to move downward synchronously through the central gear 42 arranged thereon.

[0071] Wherein, the initial height of the pressing plate 47 is lower than the initial height of the cutting knife 46, and then as the center gear 42 moves downward, the pressing plate 47 first contacts the wire and presses it, thus completing the pressing of the wire, and cooperating with the clamping assembly on the transverse frame plate 15 to ensure the stability of the wire at the cutting position, thus preventing the wire from deviating at the cutting position and ensuring the cutting accuracy.

[0072] At the same time, as the pressing plate 47 presses the wire and then the center gear 42 continues to move downward, the right sliding rack 44 and the pressing plate 47 cannot continue to move downward synchronously, and thus when the center gear 42 moves downward, it can rotate in the vertical direction due to the relative displacement between the right sliding rack 44 and the center gear 42, to drive the left sliding rack 43 to move downward to complete the cutting of the wire. In actual use, another set of cutting knives 46 can be provided below the base 1 corresponding to the wire cutting position to ensure that the wire can be quickly cut by the cutting knife 46.

[0073] It should be noted that the side ear rod 41 is provided with a torsional spring for driving the center gear 42 to return to the initial rotation angle. The torsional spring is a prior art known to those skilled in the art, and is not shown here. Through the torsional spring provided at the center gear 42, the cutting knife 46 and the pressing plate 47 can be driven to return to the initial height when the side ear rod 41 moves upward and the cutting knife 46 and the pressing plate 47 are both separated from the wire. The provision of the torsional spring can limit the left sliding rack 43 and the right sliding rack 44 from changing in height due to gravity differences.

[0074] On the basis of the pressing and cutting assembly embodiment, the left lever 33, the middle lever 34 and the right lever 35 are fixedly connected with two groups of guide pins 49, the outer periphery of the same-position cylinder 31 is fixedly connected with a first guide spiral plate 36, a second guide spiral plate 37 and a third guide spiral plate 38, and the two groups of guide pins 49 provided on the left lever 33, the middle lever 34 and the right lever 35 are respectively in sliding contact with the first guide spiral plate 36, the second guide spiral plate 37 and the third guide spiral plate 38, and the right lever 35 is fixedly connected with a horizontal column 40 at one end thereof facing the base 1.

[0075] The middle arch assembly includes a plurality of top extension rods 39 provided on the left lever 33, the plurality of top extension rods 39 are slidably sleeved on the left lever 33, and the plurality of top extension rods 39 are detachably connected to the left lever 33 by bolts, and the plurality of top extension rods 39 are below the base 1 in the initial state.

[0076] As Figure 1 , Figure 9and Figure 10 As shown, when the alignment cylinder 31 rotates in the horizontal direction, the horizontal heights of the left turning rod 33, the middle turning rod 34 and the right turning rod 35 can be changed by the first guide spiral plate 36, the second guide spiral plate 37 and the third guide spiral plate 38 provided thereon. Among them, two sets of guide pins 49 are fixedly connected to the left turning rod 33, the middle turning rod 34 and the right turning rod 35, and the guide pins 49 at corresponding positions are respectively located at the first guide spiral plate 36, the second guide spiral plate 37 and the On both sides of the third guide spiral plate 38, and therefore when the isochronous cylinder 31 rotates, the relative positions of the first guide spiral plate 36 and the left turning rod 33, the second guide spiral plate 37 and the center turning rod 34, and the third guide spiral plate 38 and the right turning rod 35 can be changed. Under the restriction of the triangular positioning seat 32, the left turning rod 33, the center turning rod 34 and the right turning rod 35 can only move in the vertical direction, thereby achieving the purpose of changing the horizontal heights of the three through the rotation process of the isochronous cylinder 31.

[0077] During actual use, when the isotropic cylinder 31 rotates forward, the left turning rod 33 can move upward, thereby driving the multiple groups of extension rods 39 on it to move upward and move to a certain height above the base 1, while the right turning rod 35 and the middle turning rod 34 both move downward. When the right turning rod 35 moves downward, it can press the wire between the extension rod 39 and the guide pin 49, and make the wire in the cutting position horizontal, so as to avoid dimensional deviation of the wire during the cutting process and further improve the cutting accuracy.

[0078] At the same time, the right turning rod 35 and the leveling column 40 move to their travel terminals first. As the isotropic cylinder 31 continues to rotate, the height of the leveling column 40 no longer changes, but the left turning rod 33 can continue to move upward to continue pulling the wire until the left turning rod 33 is at the highest horizontal point to complete the set pulling length. Subsequently, the horizontal height of the left turning rod 33 no longer changes, and as the isotropic cylinder 31 subsequently rotates, the middle turning rod 34 continues to move downward to drive the pressure plate 47 in the cutting assembly to press the wire at one end of the guide block 48, and complete the purpose of cutting the wire through the cutter 46.

[0079] Among them, after a single cutting of the wire is completed, the isotropic cylinder 31 can rotate in the opposite direction to drive the left turning rod 33, the middle turning rod 34 and the right turning rod 35 to return to the initial height. At the same time, the height change distance of the top rod 39 is fixed. Therefore, in actual use, by changing the relative position of the top rod 39 and the left turning rod 33 in the initial state, when the left turning rod 33 reaches the highest point, the purpose of exposing multiple groups of top rods 39 to different lengths of the base 1 is achieved. Then, when performing synchronous cutting of different lengths on multiple groups of wires, the initial state heights of the multiple groups of top rods 39 are adjusted according to the set cutting length to ensure the cutting accuracy of the multiple groups of wires.

[0080] On the basis of the cambered assembly embodiment, the cross modulation assembly comprises a sector gear 27 fixedly rotating on the base 1, and the sector gear 27 is connected with a swing gear 26 and a side gear 28 in meshing mode, the side gear 28 is coaxially fixed between the same-position cylinder 31, and the swing gear 26 is fixedly rotating on the base 1;

[0081] The side arc-shaped seat 2 is fixedly connected with an inner cavity seat 21, the swing gear 26 is provided with a reciprocating gear 20 freely rotating in the vertical direction on the side facing the inner cavity seat 21, and the reciprocating gear 20 is connected with the horizontal rack 5 in meshing mode;

[0082] The lower surface of the sector gear 27 is fixedly connected with a notched arc plate 29, and the swing gear 26 and the side gear 28 are both fixedly connected with an inner arc plate 30 in sliding contact with the outer circumferential surface of the notched arc plate 29.

[0083] The inner cavity seat 21 is fixedly rotating with an inner threaded cylinder 22, the inner threaded cylinder 22 is threadedly connected with a screw rod 23, the screw rod 23 is fixedly connected with a rectangular block 24, the inner cavity seat 21 is provided with a groove two for horizontally and longitudinally slidingly connecting the rectangular block 24, the rectangular block 24 is fixedly rotating with a connecting rod 25, one end of the connecting rod 25 away from the rectangular block 24 is fixedly rotating on the swing gear 26, and the reciprocating gear 20 is fixedly sleeved on the inner threaded cylinder 22.

[0084] As shown in Figure 1 , Figure 3 , Figure 5 and Figure 8 , the sector gear 27 driven by the motor output shaft fixedly arranged on the base 1 is rotated in the horizontal direction, wherein the sector gear 27 is first engaged with the swing gear 26 and drives it to rotate, when the swing gear 26 rotates, the connecting rod 25 is deflected, and the rectangular block 24 and the screw rod 23 thereon are moved in the horizontal and longitudinal directions.

[0085] At the same time, the screw rod 23 is threadedly connected with the inner threaded cylinder 22, and when the screw rod 23 and the inner threaded cylinder 22 move relatively, the inner threaded cylinder 22 drives the reciprocating gear 20 fixedly sleeved thereon to rotate, and drives the horizontal rack 5 to move horizontally through the rotation of the reciprocating gear 20, so as to change the horizontal position of the horizontal shaft 3 or drive the clamping assembly to fix or release the wire.

[0086] It should be noted that when the positioning gear 26 rotates one circle, the rectangular block 24 and the screw rod 23 can be driven to reciprocate horizontally once through the deflection process of the connecting rod 25, and the positioning gear 26 can only rotate half a circle in the rotation process of the sector gear 27, so that the turning direction of the positioning gear 26 can change the movement direction of the rectangular block 24 on the inner cavity seat 21, thereby changing the movement direction of the horizontal rack 5.

[0087] Meanwhile, when the horizontal rack 5 moves towards the co-located cylinder 31, the horizontal shaft 3 can be driven to rotate to drive the clamping assembly to clamp the wire, and then through the continuous movement of the horizontal rack 5 towards the co-located cylinder 31, the horizontal shaft 3 and the horizontal frame plate 15 can be driven to move synchronously in the horizontal direction, thereby achieving the purpose of pulling the wire until the horizontal frame plate 15 moves to the terminal position away from the guide pin 49.

[0088] Furthermore, when the horizontal rack 5 moves away from the co-located cylinder 31, the horizontal frame plate 15 first moves towards the guide block 48, and releases the cut wire after reaching the initial position. In actual use, a micro-movable clamping jaw can be provided at the position of the guide block 48 to ensure that the clamping length of the clamping assembly is fixed, and when the clamping assembly pulls the wire, the clamping jaw can avoid limiting the wire to ensure that the wire can be pulled smoothly.

[0089] Furthermore, with the continuous rotation of the sector gear 27, the side gear 28 can be driven to rotate forward, thereby driving the co-located cylinder 31 to rotate to change the horizontal height of the left cramp 33, the middle cramp 34 and the right cramp 35 thereon, thereby completing the processes of arching, pressing and shearing the wire, and after the single shearing of the wire is completed, the sector gear 27 is driven to rotate reversely to achieve the resetting purpose of the left cramp 33, the middle cramp 34 and the right cramp 35, and the positioning gear 26 is driven to rotate reversely to achieve the resetting purpose of the horizontal frame plate 15 of the clamping assembly and the releasing purpose of the wire.

[0090] Among them, the positioning gear 26 and the side gear 28 are provided with inner arc plates 30 in sliding contact with the notched arc plate 29, so that when the meshing teeth on the sector gear 27 disengage from the positioning gear 26 or the side gear 28, the positioning gear 26 or the side gear 28 can be prevented from rotating arbitrarily under external force, thereby ensuring the resetting accuracy of the parts when continuously shearing the wire.

[0091] A wire shearing process applied to a wire shearing device, comprising the following steps:

[0092] S1, Preparation: The coiled wire is placed on the base 1, and one end of the wire is led out at the guide block 48 to ensure that the lengths of the multiple groups of wires led out at the guide block 48 are consistent, and the initial height of the top extension rod 39 is adjusted according to the set cutting length of different wires;

[0093] S2, transverse traction: the clamping assembly clamps and fixes the wire, and moves horizontally away from the guide block 48 to the terminal position;

[0094] S3, arch lifting traction: the middle arch assembly drives the top extension rod 39 according to the set height, so that the top extension rod 39 supports and lifts the middle part of the wire to further pull the wire and change the effective traction length of the wire between the clamping assembly and the cutting assembly;

[0095] S4, compression cutting: the cutting assembly first clamps and fixes the wire near the guide block 48 to ensure cutting accuracy, and then cuts off the wire under the action of the cutting knife 46 to complete single cutting;

[0096] S5, reset operation: after the single cutting of the wire is completed, the middle arch assembly and the cutting assembly return to the initial position, and the clamping assembly is reset and released to realize the reset process of continuous cutting of the wire.

[0097] As shown in Figure 12 , the coiled wire is placed on the base 1, and one end of the wire is led out at the guide block 48 to ensure that the lengths of the multiple groups of wires led out at the guide block 48 are consistent. According to the set cutting length of different wires, the initial height of the top extension rod 39 is adjusted, which ensures that each wire can be consistent with the set length during cutting.

[0098] The wire is clamped and fixed by the clamping assembly. At this time, the initial position of the transverse frame plate 15 is close to the guide block 48. After the wire is fixed by the clamping assembly, the transverse frame plate 15 is driven by the adjusting assembly to move away from the guide block 48 in the horizontal transverse direction until the transverse frame plate 15 reaches the terminal position. During this process, the transverse frame plate 15 moves the wire to achieve effective traction of the wire.

[0099] When the transverse frame plate 15 stops moving, the horizontal direction of the co-located cylinder 31 is rotated to change the horizontal height of the left elbow lever 33, the middle elbow lever 34 and the right elbow lever 35. The middle arch assembly on the left elbow lever 33 operates, and the top extension rod 39 supports and lifts the middle part of the wire. This action further pulls the wire, changes the effective traction length between the clamping assembly and the cutting assembly, and ensures the synchronous cutting of wires of different lengths.

[0100] The cutting assembly first clamps the wire near the guide block 48 to ensure cutting accuracy, and then the cutting knife 46 cuts off the wire under the drive of the cutting assembly, completing single cutting. The precise cutting of the wire is realized through the coordination of the pressing plate 47 and the cutting knife 46.

[0101] After the single cutting of the wire is completed, the arching assembly and the cutting assembly return to the initial position, at this time, the clamping assembly also resets and releases the cut wire, and the peripheral clamping jaw or mechanical hand can transfer the cut wire to realize the purpose of continuous cutting of the wire, and then the next cutting is prepared.

[0102] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A wire cutting device, comprising a base (1) and a cutting knife (46) arranged on the base (1) for cutting a wire, and a guide block (48) arranged on the base (1) for limiting the wire, characterized in that: The base (1) is provided with a top cutting mechanism for synchronously cutting multiple groups of wires with different lengths; The top cutting mechanism comprises a side position arc-shaped seat (2) fixedly connected to the base (1), the side position arc-shaped seat (2) is provided with a horizontal frame plate (15) capable of moving freely in the horizontal direction, the side position arc-shaped seat (2) is provided with a rectangular groove for the horizontal frame plate (15) to slide horizontally, and the horizontal frame plate (15) is provided with a clamping assembly for fixing the wire; The base (1) is fixedly connected with a triangular positioning seat (32), the triangular positioning seat (32) is provided with a same-position cylinder (31) capable of rotating freely in the horizontal direction, the same-position cylinder (31) is provided with a left turning lever (33), a middle turning lever (34) and a right turning lever (35) capable of moving freely in the vertical direction, and the middle turning lever (34) is provided with a pressing cutting assembly for cutting the wire; The left turning lever (33), the middle turning lever (34) and the right turning lever (35) all slide through the triangular positioning seat (32), and the left turning lever (33) is provided with a middle arch assembly for adjusting the length of the wire between the clamping assembly and the pressing cutting assembly; The base (1) is provided with an interchange assembly for alternately driving the horizontal frame plate (15) to move horizontally and the same-position cylinder (31) to rotate horizontally; The pressing cutting assembly comprises multiple side ear levers (41) fixedly connected to the middle turning lever (34), the side ear levers (41) are provided with a central gear (42) rotating about an axis, the central gear (42) is connected with a left sliding rack (43) and a right sliding rack (44) arranged oppositely in meshing connection, the base (1) is fixedly connected with a support bracket (45), the support bracket (45) is provided with a vertical sliding groove for the left sliding rack (43) and the right sliding rack (44) to slide vertically, one end of the right sliding rack (44) towards the base (1) is fixedly connected with a pressing plate (47) in contact with the wire, and one end of the left sliding rack (43) towards the base (1) is fixedly connected with a cutter (46); The left turning lever (33), the middle turning lever (34) and the right turning lever (35) are all fixedly connected with two groups of guide pin columns (49), the same-position cylinder (31) is fixedly connected with a first guide spiral plate (36), a second guide spiral plate (37) and a third guide spiral plate (38) on the outer periphery, and the two groups of guide pin columns (49) arranged on the left turning lever (33), the middle turning lever (34) and the right turning lever (35) are respectively located in the spiral grooves of the first guide spiral plate (36), the second guide spiral plate (37) and the third guide spiral plate (38) and slide in contact with them one by one; One end of the right turning lever (35) towards the base (1) is fixedly connected with a horizontal column (40).

2. A wire trimming device according to claim 1, wherein: The clamping assembly comprises a push seat (16) arranged on a transverse frame plate (15), the transverse frame plate (15) is provided with a groove one for the horizontal longitudinal sliding of the push seat (16), one end of the push seat (16) away from the edge arc-shaped seat (2) is fixedly connected with a reset spring (19), one end of the reset spring (19) away from the push seat (16) is fixedly connected on the transverse frame plate (15), and the push seat (16) is provided below with a movable clamping block (17) and a fixed clamping block (18) arranged oppositely, the movable clamping block (17) and the fixed clamping block (18) are fixedly connected on the push seat (16) and the transverse frame plate (15) respectively. The transverse frame plate (15) is provided with a cam (13) rotating freely in the horizontal direction, one side of the cam (13) towards the push seat (16) is provided with a ball head column (14) slidingly penetrating through the transverse frame plate (15), the ball head column (14) is fixedly connected between the cam (13) and the push seat (16), and the outer circumferential surface of the cam (13) is in sliding contact with the ball head column (14).

3. A wire trimming device according to claim 2, wherein: The base (1) is fixedly connected with a plurality of mounting seats (4), the mounting seat (4) is slidingly penetrated with a horizontal shaft (3) freely moving in the horizontal direction and freely rotating in the horizontal terminal, the horizontal shaft (3) is provided below with a horizontal rack (5), and the base (1) is provided with a groove two for the horizontal sliding connection of the horizontal rack (5). The horizontal rack (5) is fixedly connected with a limiting pin (6), the horizontal shaft (3) is provided with a spiral limiting groove (7) for the sliding connection of the limiting pin (6), one end of the horizontal shaft (3) away from the spiral limiting groove (7) is fixedly connected with two groups of protrusions (8), the edge arc-shaped seat (2) is provided with two groups of arc-shaped grooves (9) for the sliding connection of the protrusions (8) and a transverse blocking groove (10) penetrating through the two groups of arc-shaped grooves (9).

4. A wire trimming device according to claim 3, wherein: The horizontal shaft (3) is fixedly sleeved with a worm (11), and the horizontal shaft (3) is fixedly rotated on the transverse frame plate (15), both ends of the worm (11) are in sliding contact with the inner wall of the transverse frame plate (15), and the worm (11) is meshingly connected with a worm wheel (12), the worm wheel (12) is fixedly rotated on the transverse frame plate (15) and coaxially fixed with the cam (13).

5. The apparatus of claim 1 wherein: The middle arch assembly comprises a plurality of top stretch rods (39) arranged on the left turning rod (33), the plurality of top stretch rods (39) are slidingly sleeved on the left turning rod (33), and the plurality of top stretch rods (39) are detachably connected to the left turning rod (33) through bolts. The plurality of top stretch rods (39) are all below the base (1) in the initial state.

6. The apparatus of claim 3 wherein: The cross modulation assembly comprises a sector gear (27) fixedly rotated on the base (1), and the sector gear (27) is meshingly connected with a swing gear (26) and a side gear (28), the side gear (28) is coaxially fixed with the same position cylinder (31), and the swing gear (26) is fixedly rotated on the base (1). The edge arc-shaped seat (2) is fixedly connected with an inner cavity seat (21), one side of the swing gear (26) towards the inner cavity seat (21) is provided with a reciprocating gear (20) freely rotating in the vertical direction, and the reciprocating gear (20) is meshingly connected with the horizontal rack (5). The lower surface of the sector gear (27) is fixedly connected with a notched arc plate (29), the positioning gear (26) and the side gear (28) are fixedly connected with inner arc plates (30) in sliding contact with the outer circumferential surface of the notched arc plate (29).

7. A wire trimming device according to claim 6, wherein: The inner cavity seat (21) is provided with an inner threaded cylinder (22) rotating on the axis, the inner threaded cylinder (22) is threadedly connected with a screw rod (23), the screw rod (23) is fixedly connected with a rectangular block (24), the inner cavity seat (21) is provided with a groove two for horizontally and longitudinally sliding connection of the rectangular block (24), the rectangular block (24) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with 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connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the connecting rod (25) is provided with a connecting rod (25) rotating on the axis, the ​ 8. A wire cutting process applied to the wire cutting device according to any one of claims 1 to 7, characterized in that: ​ ​ ​ ​ ​ ​

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