Iron core laser welding equipment

Abstract

The utility model discloses iron core laser welding equipment which comprises a working disc and a first driving mechanism for controlling the working disc to rotate, a central positioning column is arranged on the working disc, a positioning sleeve is coaxially arranged outside the central positioning column, a plurality of positioning side holes extending in the axial direction are distributed in the circumference of the positioning sleeve, and the positioning side holes are communicated with the working disc. A welding side hole which is formed in the positioning sleeve and extends in the axial direction is formed between every two adjacent positioning side holes, each positioning side hole is provided with a positioning ejector block in a matched mode, each positioning ejector block is connected to the working disc in a sliding mode, and each positioning ejector block is provided with a positioning tip capable of stretching into the corresponding positioning side hole. The positioning top block is connected to the working disc in a sliding manner and moves in the radial direction of the working disc; the laser welding gun is used for welding the side holes in a matched mode, and a linear module used for controlling the laser welding gun to move in the axial direction of the positioning sleeve is arranged on the laser welding gun. According to the welding equipment, automatic welding can be achieved while the iron core splicing roundness is guaranteed, the overall function is complete, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical automation, and more specifically, to an iron core laser welding device. Background Art

[0002] The multiple iron cores wound with copper wires need to be joined and welded. If the roundness of the iron cores cannot be guaranteed during joining, it is difficult to pass the test requirements after welding. Therefore, the utility model proposes an iron core laser welding device. Utility Model Content

[0003] The utility model aims to overcome the above-mentioned deficiencies in the prior art and to provide an iron core laser welding device, which can realize automatic welding while ensuring the roundness of the iron core assembly.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves an iron core laser welding equipment, including a working disk and a first driving mechanism that controls the working disk to rotate around its own axis, the working disk is provided with a center positioning column, a positioning sleeve is coaxially arranged outside the center positioning column, a plurality of positioning side holes extending along the axial direction are arranged on the circumference of the positioning sleeve, the interval angles between two adjacent positioning side holes are equal, a welding side hole opened on the positioning sleeve and also extending along the axial direction is provided between two adjacent positioning side holes, each of the positioning side holes is matched with a positioning top block slidably connected to the working disk, the positioning top block has a positioning top that can extend into the positioning side hole, the positioning top block is slidably connected to the working disk and moves radially along the working disk; it also includes at least one laser welding gun matching the welding side hole, and the laser welding gun is provided with a linear module that controls it to move along the axial direction of the positioning sleeve.

[0005] The utility model is further configured as follows: the working disk includes an upper disk body, a lower disk body and a column connecting the upper disk body and the lower disk body, the central positioning column and the positioning sleeve are both arranged on the upper disk body, a servo chuck fixed on the lower disk body is arranged between the upper disk body and the lower disk body, the servo chuck is provided with a second driving mechanism for controlling the opening and closing of its upper claws, the number of the claws is equal to the number of the positioning side holes, and each of the claws is connected to a positioning top block.

[0006] The utility model is further configured as follows: the positioning top block includes a lower seat body slidably connected to the working disk, the lower seat body is slidably connected to an upper seat body whose sliding direction is consistent with the lower seat body, the positioning top is arranged on the upper seat body, the end of the upper seat body facing away from the positioning side hole is provided with a back plate bracket arranged on the lower seat body, the back plate bracket is provided with a screw micrometer for the measuring head to abut against the upper seat body; a threaded hole is provided on the lower seat body, and a screw through-hole is provided on the upper seat body, and a screw threadedly connected to the threaded hole is passed through the screw through-hole.

[0007] In summary, the utility model has the following beneficial effects:

[0008] 1. This iron core laser welding equipment can realize the precision welding of multi-jointed iron cores.

[0009] 2. The core laser welding equipment can achieve flexible compatibility with multiple models.

[0010] 3. The core laser welding equipment has adjustable clamping force and is flexible and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a partial structural schematic diagram of the utility model;

[0013] Figure 3 It is a partial structural schematic diagram of the utility model;

[0014] Figure 4 The utility model is a schematic diagram of the structure of a laser welding gun. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments, but it should be understood that these descriptions are only for further illustrating the features and advantages of the utility model, rather than limiting the patent requirements of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the utility model.

[0016] The utility model is further described below in conjunction with the accompanying drawings and preferred embodiments.

[0017] Example 1

[0018] See also Figures 1 to 4As shown, a core laser welding device involved in this embodiment includes a working disk 1 and a first driving mechanism 2 for controlling the working disk 1 to rotate around its own axis, a center positioning column 3 is provided on the working disk 1, a positioning sleeve 4 is coaxially arranged outside the center positioning column 3, a plurality of positioning side holes 5 extending along the axial direction are arranged on the circumference of the positioning sleeve 4, and the interval angles between two adjacent positioning side holes 5 are equal, and a welding side hole 6 opened on the positioning sleeve and also extending along the axial direction is provided between two adjacent positioning side holes 5, each of the positioning side holes 5 is matched with a positioning top block 7 slidably connected to the working disk 1, the positioning top block 7 has a positioning top 8 that can extend into the positioning side hole, and the positioning top block 7 is slidably connected to the working disk 1 and moves along the radial direction of the working disk; it also includes at least one laser welding gun 9 matching the welding side hole 6, and the laser welding gun 9 is provided with a linear module 10 for controlling it to move along the axial direction of the positioning sleeve.

[0019] Furthermore, the working disk 1 includes an upper disk body 11, a lower disk body 12 and a column 13 connecting the upper disk body and the lower disk body. The center positioning column 3 and the positioning sleeve 4 are both arranged on the upper disk body 11. A servo chuck 14 fixed on the lower disk body is provided between the upper disk body 11 and the lower disk body 12. The servo chuck 14 is provided with a second driving mechanism 15 for controlling the opening and closing of its upper claws. The number of the claws is equal to the number of the positioning side holes, and each of the claws is connected to a positioning top block 7.

[0020] In this embodiment, the annular area formed by the center positioning column 3 and the positioning sleeve 4 is used for pre-positioning the iron core before welding, and then all the iron cores are clamped and positioned for the second time by moving the positioning top block 7 inward to ensure the roundness of the assembly. At this time, the iron core is clamped and positioned.

[0021] The welding principle is as follows: first turn on the laser welding gun 9 with the light source facing a welding side hole 6, and control the laser welding gun 9 to scan up and down by the linear module 10 to complete the welding of the gap between the two adjacent iron cores in the welding side hole 6, and then control the working disk 1 to rotate around its own axis through the first drive mechanism 2, and rotate and switch an adjacent welding side hole 6 to expose the gap between the other two adjacent iron cores to the laser light source, and then repeat the welding operation, and then cycle the above operations until all the gaps between the iron cores are welded, and finally release the positioning top block 7 to take out the welded iron core.

[0022] The servo chuck 14 is provided to electrically drive the opening and closing of the positioning top block 7 .

[0023] Example 2

[0024] See also Figures 1 to 4As shown, the present embodiment involves a core laser welding device, which is further configured on the basis of Embodiment 1, such that the positioning top block 7 includes a lower seat body 71 slidably connected to the working disk 1, and the lower seat body 71 is slidably connected to an upper seat body 72 whose sliding direction is consistent with the lower seat body 71, and the positioning top 8 is arranged on the upper seat body 72, and the end of the upper seat body 72 facing away from the positioning side hole is provided with a support plate bracket 73 arranged on the lower seat body 71, and the support plate bracket 73 is provided with a micrometer screw 74 with a measuring head against the upper seat body 72; a threaded hole (not shown) is provided on the lower seat body 71, and a screw through hole 75 is provided on the upper seat body 72, and a screw (not shown) threadedly connected to the threaded hole is passed through the screw through hole 75.

[0025] In this embodiment, by rotating the micrometer screw 74 clockwise or counterclockwise, the positional relationship between the upper seat 72 and the lower seat 71 can be slightly adjusted to ensure the roundness of the assembled core and the welding accuracy.

[0026] The iron core laser welding equipment involved in the utility model can realize the precision welding of the whole circle of multi-connected iron cores; it can also realize the flexible compatibility of multiple models; and the equipment has adjustable clamping force, is flexible and convenient to use, has complete overall functions, and is highly practical.

[0027] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationship are based on the orientation or positional relationship actually shown, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in combination with the embodiments and according to specific circumstances.

[0028] Unless otherwise clearly specified and limited, in the present invention, the terms "disposed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] The preferred specific embodiments of the utility model are described in detail above. It should be understood that ordinary technicians in this field can make many modifications and changes based on the concept of the utility model without creative work. Therefore, all technical solutions that can be obtained by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the scope of protection determined by the claims.

Claims

1. An iron core laser welding device, comprising a working disk and a first driving mechanism for controlling the working disk to rotate around its own axis, characterized in that: The working disk is provided with a center positioning column, and a positioning sleeve is coaxially arranged outside the center positioning column. A plurality of positioning side holes extending in the axial direction are arranged on the circumference of the positioning sleeve, and the interval angles between two adjacent positioning side holes are equal. A welding side hole opened on the positioning sleeve and also extending in the axial direction is provided between two adjacent positioning side holes. Each of the positioning side holes is matched with a positioning top block slidably connected to the working disk, and the positioning top block has a positioning top that can extend into the positioning side hole. The positioning top block is slidably connected to the working disk and moves radially along the working disk; it also includes at least one laser welding gun matching the welding side hole, and the laser welding gun is provided with a linear module for controlling it to move in the axial direction of the positioning sleeve.

2. The core laser welding equipment according to claim 1, characterized in that: The working disk includes an upper disk body, a lower disk body and a column connecting the upper disk body and the lower disk body. The center positioning column and the positioning sleeve are both arranged on the upper disk body. A servo chuck fixed to the lower disk body is arranged between the upper disk body and the lower disk body. The servo chuck is provided with a second driving mechanism for controlling the opening and closing of its upper claws. The number of the claws is equal to the number of the positioning side holes, and each of the claws is connected to a positioning top block.

3. The core laser welding equipment according to claim 1 or 2, characterized in that: The positioning top block includes a lower seat body slidably connected to the working disk, the lower seat body is slidably connected to an upper seat body whose sliding direction is consistent with the lower seat body, the positioning top is arranged on the upper seat body, the end of the upper seat body facing away from the positioning side hole is provided with a back plate bracket arranged on the lower seat body, and the back plate bracket is provided with a screw micrometer for the measuring head to press against the upper seat body; a threaded hole is provided on the lower seat body, and a screw through-hole is provided on the upper seat body, and a screw threadedly connected to the threaded hole is passed through the screw through-hole.

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