Wire harness shaping and squaring machine

Abstract

The utility model relates to the technical field of squaring machines, and discloses a wire harness shaping and squaring machine which comprises an installation frame and a welding device, a first air cylinder and a second air cylinder are fixedly installed on the installation frame, the first air cylinder is used for pulling the welding device to move in the vertical direction, and the second air cylinder is used for positioning a wire harness in the welding process. According to the welding device, the stability of the wire harness in the welding and squaring process can be effectively guaranteed in an automatic pressing and positioning mode, the inverter type electric resistance welding power source is arranged on the welding device in a matched mode, the inverter type electric resistance welding power source is controlled by the microcontroller, and the inverter type electric resistance welding power source is provided with three sections of current setting. And the device has the function of slowly increasing and decreasing the current, is more precise in time control, can adapt to the complex welding process, outputs the current as pulsating direct current, has no defect of alternating current zero-crossing discontinuous heating of workpieces, is concentrated in heat, improves the welding heat efficiency, and is particularly suitable for welding non-ferrous metal materials and some difficult-to-weld materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to square press machine technical field more particularly to a wire harness shaping square press machine. BACKGROUND

[0002] The square press machine is a kind of equipment specially used to press multiple wire harness into square, mainly used for the shaping and welding of wire harness, in the welding industry, square press machine is fused into one by pressure to multiple copper wire or braided wire, forms the copper row similar to small block, to better connect with other conductive connectors.‌

[0003] At present, when wire harness is welded and pressed into square, the stability of wire harness is difficult to be fully guaranteed, which will affect the quality of final wire harness, in addition, current regulation in the welding process is relatively single, difficult to adapt to some more complex welding process, which will also affect the effect of square pressing. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides a wire harness shaping square press machine to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: a wire harness shaping square press machine, including mounting bracket and welding device, first air cylinder and second air cylinder are fixedly installed on the mounting bracket, the first air cylinder is used for traction welding device moves along vertical direction, the second air cylinder is used for positioning wire harness in the welding process.

[0006] Preferably, the mounting bracket is fixedly installed with guide rods, the guide rods are provided with two, the welding device is sleeved on the surface of guide rod, and the output end of the first air cylinder is fixedly connected with the surface of welding device.

[0007] Preferably, the mounting bracket is fixedly installed with guide rails, the output end of the second air cylinder is fixedly installed with a moving plate, and the moving plate is slidably installed on the surface of guide rail.

[0008] Preferably, the mounting bracket is fixedly installed with a support seat, the support seat is upwardly extended at the top and provided with a limiting block, one side of the moving plate is fixedly connected with a positioning block, and the positioning block and the limiting block are both in the form of rectangular block structure.

[0009] Preferably, the welding device is provided with an inverter resistance welding power supply and a microcontroller, the inverter resistance welding power supply adopts pulse direct current output, the inverter resistance welding power supply adopts three-section current setting, and the microcontroller is used for digital control, monitoring, fault diagnosis and protection of the inverter resistance welding power supply.

[0010] The utility model has the following technical effects and advantages:

[0011] 1、The worker can place the wire harness on the top of the support seat, the output end of the second cylinder is elongated and drives the moving plate to slide along the guide rail synchronously, the wire harness is compressed and positioned by the positioning block and the limiting block, the output end of the first cylinder is elongated and drives the welding device to slide downwards along the guide rod synchronously, and the welding head of the welding device welds the wire harness, that is, the wire harness is pressed square, and the stability of the wire harness during the welding and pressing process is effectively guaranteed.

[0012] 2、The welding device is matched with an inverter resistance welding power source, the inverter resistance welding power source is controlled by a microcontroller, has three current settings and has the functions of slow rising and slow falling of current, and time control is more precise, can adapt to complex welding processes, and the current is pulsed direct current output, has no disadvantage of discontinuous heating workpiece at alternating current zero, heat is concentrated, welding thermal efficiency is improved, and the welding is particularly suitable for non-ferrous metal materials and some difficult-to-weld materials. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model.

[0014] Figure 2 It is a whole structure schematic view of the utility model.

[0015] Figure 3 It is a structure enlarged view of the utility model Figure 2 in A.

[0016] Figure 4 It is an inverter resistance welding power source principle schematic view of the utility model.

[0017] Figure 5 It is a current waveform diagram of the inverter resistance welding of the utility model.

[0018] Figure 6 It is a parameter schematic view of the welding process of the utility model.

[0019] The figure mark is: 1, mounting frame;11, guide rod;12, guide rail;13, support seat;131, limiting block;2, welding device;3, first cylinder;4, second cylinder;41, moving plate;42, positioning block. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and in addition, the forms of each structure described in the following embodiments are only examples, and the wire harness shaping and pressing machine involved in the utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection range of the utility model.

[0021] The utility model provides a kind of wire harness shaping square machine, including mounting bracket 1 and welding device 2, first cylinder 3 and second cylinder 4 are fixedly installed on mounting bracket 1, first cylinder 3 is used to pull welding device 2 moves along vertical direction, second cylinder 4 is used to position wire harness during welding process.

[0022] Further, guide rod 11 is fixedly installed on mounting bracket 1, guide rod 11 is provided with two, welding device 2 is sleeved on the surface of guide rod 11, welding device 2 and guide rod 11 form the sliding guide cooperation along the axis direction of guide rod 11, the output end of first cylinder 3 is fixedly connected with the surface of welding device 2, guide rail 12 is fixedly installed on mounting bracket 1, the output end of second cylinder 4 is fixedly installed with moving plate 41, moving plate 41 is slidably installed on the surface of guide rail 12 and forms the sliding guide cooperation between the both, support seat 13 is fixedly installed on mounting bracket 1, limit block 131 is provided on the top of support seat 13 and extends upwards, positioning block 42 is fixedly connected on one side of moving plate 41, positioning block 42 and limit block 131 are all rectangular block structure.

[0023] Further, inverter resistance welding power supply and microcontroller are provided on welding device 2, inverter resistance welding power supply adopts pulse direct current output (such as Figure 5 As shown), and inverter resistance welding power supply adopts three-section current setting, microcontroller is used for digital control, monitoring, fault diagnosis and protection to inverter resistance welding power supply, inverter resistance welding power supply adopts AC-DC-AC-DC conversion technology (principle as Figure 4 As shown).

[0024] In addition, inverter resistance welding power supply also has the following characteristics:

[0025] Inverter bridge adopts soft switching technology, reduces switching loss, reduces electromagnetic interference;

[0026] With current abnormality, monitoring value over limit, network voltage over limit, overheat and other fault diagnosis and alarm function;

[0027] Inverter bridge current abnormality automatic shutdown, enhances system protection;

[0028] 20 groups of parameter storage, convenient for a variety of welding varieties to use;

[0029] Data storage adopts EEPROM, no battery life problem;

[0030] Adopt higher inverter frequency (4kHz, 1kHz), response speed is fast, energization time control period is 0.25ms or 1ms, compared with 20ms of usual AC welder, is improved 80 or 20 times, control precision is obviously improved, compared with capacitor energy storage welder, need not charge and discharge, controllability is obviously enhanced, especially suitable for precision piece's welding and high quality, high precision, high speed welding.

[0031] The utility model discloses a working principle: staff places wire harness at the top of support seat 13, and second cylinder 4 output end is elongated and drives motion plate 41 along guide rail 12 synchronous sliding, and wire harness is positioned by locating block 42 and limit block 131 and is pressed tightly and positioned, and first cylinder 3 output end is elongated and drives welding device 2 along guide rod 11 and downwards synchronous sliding, and the welding head of welding device 2 carries out welding to wire harness, and completes the square processing of wire harness.

[0032] The process of welding device 2 welding is composed of three sections of current (as shown in the figure), and the three sections are I1, I2 and I3 in turn. Figure 6

[0033] Figure 6 Among them, t1 is the time of pressing down, indicating the time required for the welding device 2 to press down, that is, the time required for the starting signal to be maintained.

[0034] T2 is the pre-pressing time, indicating that the welding device 2 needs to consume a certain time to press down to contact the wire harness and stabilize the pressure.

[0035] T3 is the slow rising time, in I1, t3 corresponds to the upper inclined part, indicating the slow rising (from 0A to the set value) time of the current, the greater t3 is, the slower the current rises, and the welding quality will change with the change of the current rising speed, and the inverter resistance welding power supply can adjust t3 according to the need.

[0036] T4 is the first discharge time, corresponding to the discharge duration of I1, the longer t4 is, the longer the discharge lasts, and the greater the energy is, and the inverter resistance welding power supply can adjust t4 according to the need.

[0037] T5 is the time interval between the first current I1 and the second current I2, t6 is the discharge duration of the second current I2, t7 is the interval time between the second current I2 and the third current I3, and t8 is the discharge duration of the third current I3, and the inverter resistance welding power supply can adjust t5, t6, t7 and t8 according to the need.

[0038] After the welding of the welding device 2 is completed, the output end of the second cylinder 4 is shortened and drives the motion plate 41 to slide along the guide rail 12 synchronously, the output end of the first cylinder 3 is shortened and drives the welding device 2 to slide along the guide rod 11 upwards synchronously, and the staff can take out the wire harness.

[0039] ​Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0040] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0041] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A wire harness shaping and squaring press comprising a mounting frame (1) and a welding device (2), characterized in that, The mounting frame (1) is fixedly provided with a first cylinder (3) and a second cylinder (4), the first cylinder (3) is used for pulling the welding device (2) to move in the vertical direction, and the second cylinder (4) is used for positioning the wire harness during welding.

2. A wire harness shaping and squaring machine according to claim 1, wherein The mounting frame (1) is fixedly provided with guide rods (11), the welding device (2) is sleeved on the surface of the guide rods (11), and the output end of the first cylinder (3) is fixedly connected with the surface of the welding device (2).

3. A wire harness shaping and squaring machine as defined in claim 1, wherein The mounting frame (1) is fixedly provided with guide rails (12), the output end of the second cylinder (4) is fixedly provided with a moving plate (41), and the moving plate (41) is slidably arranged on the surface of the guide rails (12).

4. A wire harness shaping and squaring machine according to claim 3, wherein The mounting frame (1) is fixedly provided with a supporting seat (13), the supporting seat (13) is upwardly extended at the top and provided with a limiting block (131), one side of the moving plate (41) is fixedly connected with a positioning block (42), and the positioning block (42) and the limiting block (131) are both in the form of rectangular blocks.

5. A wire harness shaping and squaring machine as defined in claim 1 wherein, The welding device (2) is provided with an inverter resistance welding power supply and a microcontroller, the inverter resistance welding power supply adopts pulse direct current output, the inverter resistance welding power supply adopts three-stage current setting, and the microcontroller is used for digital control, monitoring, fault diagnosis and protection of the inverter resistance welding power supply.

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