Stirring welding strength detection device

Abstract

A stirring welding strength detection device comprises an electrical cabinet, a product positioning mechanism and a strength detection mechanism are arranged on the electrical cabinet, the product positioning mechanism is used for positioning a product, and the strength detection mechanism is used for detecting the strength of the product; the strength detection mechanism is composed of a stepping motor, a lead screw, a sliding rail, a sliding base, a buffer assembly, a pressure sensor, a testing head and a displacement sensor. A support is arranged on the electrical cabinet, the sliding rail is fixedly arranged on the support in the vertical direction, the sliding base is arranged on the sliding rail in a sliding mode, the stepping motor is fixedly arranged on the support and used for driving the vertically-arranged lead screw to rotate, the sliding base is provided with a lead screw nut, the lead screw nut is arranged on the lead screw in a rotating mode, and the buffering assembly is arranged on the bottom side of the sliding base. The pressure sensor is fixedly arranged at the buffering end of the buffering assembly, the testing head is fixedly arranged at the testing end of the pressure sensor, and the displacement sensor is fixedly arranged on the electrical cabinet and vertically corresponds to the testing head. The scheme can realize automatic detection of the strength of the stir welding product, and has the characteristics of high detection efficiency, accurate detection and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding strength detection technical field, especially a kind of stirring welding strength detection device. BACKGROUND

[0002] Friction stir welding is a solid-state welding process, under the rotation and feeding action of tool, the stir head of welding tool will be mechanically stirred in joint area. This stirring makes metal materials be reorganized in solid state, thereby realizing joint, mainly used for connecting aluminum alloy and other metal materials, especially in the fields of aerospace, automobile and shipbuilding.

[0003] Welding weld quality detection refers to the detection of welding results, the purpose is to ensure the integrity, reliability, safety and usability of welded structure. In addition to the requirements of welding technology and welding process, welding quality detection is also an important part of welding structure quality management.

[0004] A stirring welding product needs to detect the strength of welding position, and currently manual detection method is mainly used, without unified detection standard, and there are problems such as low detection efficiency.

[0005] Therefore, in view of the deficiencies in the prior art, it is necessary to design a stirring welding strength detection device to solve the above problems. UTILITY MODEL CONTENT

[0006] In order to overcome the deficiencies in the prior art, the utility model aims at providing a stirring welding strength detection device.

[0007] In order to achieve the above object and other related objects, the technical scheme provided by the utility model is as follows: a stirring welding strength detection device, comprising an electrical cabinet, a product positioning mechanism and a strength detection mechanism are arranged on the electrical cabinet, the product positioning mechanism is used for positioning product, and the strength detection mechanism is used for detecting product strength; the strength detection mechanism is composed of a stepping motor, a lead screw, a sliding rail, a sliding seat, a buffer assembly, a pressure sensor, a test head and a displacement sensor; a support is arranged on the electrical cabinet, the sliding rail is fixedly arranged on the support in vertical direction, the sliding seat is slidably arranged on the sliding rail, the stepping motor is fixedly arranged on the support and used for driving the lead screw arranged vertically to rotate, the sliding seat is provided with a lead screw nut, the lead screw nut is arranged on the lead screw, the buffer assembly is arranged on the bottom side of the sliding seat, the pressure sensor is fixedly arranged on the buffer end of the buffer assembly, the test head is fixedly arranged on the test end of the pressure sensor, and the displacement sensor is fixedly arranged on the electrical cabinet and arranged in correspondence with the test head up and down.

[0008] The preferred technical scheme is that the product positioning mechanism is composed of a pressing cylinder, a pressing block and a positioning seat, the pressing cylinder is fixed on the support and the telescopic end is vertically arranged downward, the pressing block is fixed on the telescopic end of the pressing cylinder, and the positioning seat is fixed on the electrical cabinet and vertically arranged upward corresponding to the pressing block.

[0009] The preferred technical scheme is that the buffer assembly is composed of a guide sleeve, a guide rod and a buffer spring, the guide sleeve is fixed on the sliding seat, the guide rod is vertically arranged in the guide sleeve, the buffer spring is sleeved on the guide rod, one end of the buffer spring is abutted against the bottom end block of the guide rod, and the other end of the buffer spring is abutted against the sliding seat.

[0010] The preferred technical scheme is that the top end of the guide rod penetrates through the guide sleeve and is provided with a limiting block.

[0011] The preferred technical scheme is that the electrical cabinet is provided with a control unit, and the control unit is connected with the stepping motor, the pressure sensor, the displacement sensor and the pressing cylinder.

[0012] Due to the above technical scheme, the product strength detection device has the beneficial effects that:

[0013] The product strength detection device provided by the utility model is used, first, the product is positioned in the positioning seat and the pressing block is controlled by the pressing cylinder to press the product, then the stepping motor is controlled to drive the screw rod to rotate, and the test head is driven to press the product detection position, the pressure sensor collects the pressure value, then the test head stops pressing, the product rebounds, the displacement sensor collects the product displacement data, and the strength detection of the product is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model relates to a detection device structure schematic view.

[0015] Figure 2 It is A in Figure 1 The enlarged schematic view. DETAILED DESCRIPTION

[0016] The skilled person can easily understand other advantages and effects of the utility model from the content disclosed in the specification.

[0017] Please refer to Figures 1-2It should be noted that in the description of this utility model, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. These terms are used only for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," and "suspended," etc., do not indicate that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0018] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0019] Example:

[0020] like Figures 1 to 2 As shown, according to the overall technical concept of this utility model, a stir welding strength testing device is provided, including an electrical cabinet 1. The electrical cabinet 1 is equipped with a product positioning mechanism and a strength testing mechanism. The product positioning mechanism is used to position the product 100, and the strength testing mechanism is used to test the strength of the product 100. The strength testing mechanism consists of a stepper motor 2, a lead screw 3, a slide rail 4, a slide block 5, a buffer assembly, a pressure sensor 6, a test head 7, and a displacement sensor 8. The electrical cabinet 1 is equipped with a bracket 9. The slide rail 4 is fixed to the bracket 9 in a vertical direction. The slide block 5 slides on the slide rail 4. The stepper motor 2 is fixed to the bracket 9 and is used to drive the vertically set lead screw 3 to rotate. The slide block 5 is equipped with a lead screw nut, which is screwed onto the lead screw 3. The buffer assembly is set on the bottom side of the slide block 5. The pressure sensor 6 is fixed to the buffer end of the buffer assembly. The test head 7 is fixed to the test end of the pressure sensor 6. The displacement sensor 8 is fixed to the electrical cabinet 1 and is set vertically and vertically corresponding to the test head 7.

[0021] like Figures 1 to 2As shown, in an exemplary embodiment of this utility model, the product positioning mechanism consists of a pressing cylinder 10, a pressing block 11, and a positioning seat 12. The pressing cylinder 10 is fixed on the bracket 9 with its telescopic end facing vertically downward. The pressing block 11 is fixed on the telescopic end of the pressing cylinder 10. The positioning seat 12 is fixed on the electrical cabinet 1 and is arranged vertically and vertically corresponding to the pressing block 11.

[0022] like Figures 1 to 2 As shown, in an exemplary embodiment of this utility model, the buffer assembly consists of a guide sleeve 12, a guide rod 13, and a buffer spring 14. The guide sleeve 12 is fixed on the slide block 5, the guide rod 13 passes through the guide sleeve 12 in a vertical direction, and the buffer spring 14 is sleeved on the guide rod 13. One end of the buffer spring 14 abuts against the bottom end block of the guide rod 13, and the other end of the buffer spring 14 abuts against the slide block 5.

[0023] like Figures 1 to 2 As shown, in an exemplary embodiment of this utility model, the top end of the guide rod 13 passes through the guide sleeve 12 and is provided with a limit stop.

[0024] like Figures 1 to 2 As shown, in an exemplary embodiment of this utility model, the electrical cabinet 1 is provided with a control unit 15, which is connected to the stepper motor 2, the pressure sensor 6, the displacement sensor 8 and the clamping cylinder 10.

[0025] Therefore, this utility model has the following advantages:

[0026] This utility model proposes a strength testing device for stir-welded products. In use, the product is first positioned in the positioning seat and the product is pressed by the clamping block controlled by the clamping cylinder; then the stepper motor drives the lead screw to rotate, thereby pushing the test head to apply pressure to the product testing position, and the pressure sensor collects the pressure value; then the test head stops applying pressure, the product rebounds, and the displacement data of the product is collected by the displacement sensor to realize the strength testing of the product.

[0027] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A stir welding strength testing device, comprising an electrical cabinet, characterized in that: The electrical cabinet is equipped with a product positioning mechanism and a strength testing mechanism. The product positioning mechanism is used to position the product, and the strength testing mechanism is used to test the product's strength. The strength testing mechanism consists of a stepper motor, a lead screw, a slide rail, a slide block, a buffer assembly, a pressure sensor, a test head, and a displacement sensor. The electrical cabinet is equipped with a support. The slide rail is fixed vertically on the support, and the slide block slides on the slide rail. The stepper motor is fixed on the support and is used to drive the vertically positioned lead screw to rotate. The slide block has a lead screw nut, which is screwed onto the lead screw. The buffer assembly is located on the bottom side of the slide block. The pressure sensor is fixed to the buffer end of the buffer assembly, and the test head is fixed to the test end of the pressure sensor. The displacement sensor is fixed on the electrical cabinet and is positioned vertically opposite to the test head.

2. The stir welding strength testing device according to claim 1, characterized in that: The product positioning mechanism consists of a clamping cylinder, a clamping block, and a positioning seat. The clamping cylinder is fixed on the bracket with its telescopic end facing vertically downward. The clamping block is fixed on the telescopic end of the clamping cylinder. The positioning seat is fixed on the electrical cabinet and is positioned vertically corresponding to the clamping block.

3. The stir welding strength testing device according to claim 1, characterized in that: The buffer assembly consists of a guide sleeve, a guide rod, and a buffer spring. The guide sleeve is fixed on the slide block, the guide rod passes through the guide sleeve in a vertical direction, and the buffer spring is sleeved on the guide rod. One end of the buffer spring abuts against the bottom block of the guide rod, and the other end of the buffer spring abuts against the slide block.

4. The stir welding strength testing device according to claim 3, characterized in that: The top end of the guide rod passes through the guide sleeve and is provided with a limit stop.

5. The stir welding strength testing device according to claim 2, characterized in that: The electrical cabinet is equipped with a control unit, which is connected to the stepper motor, the pressure sensor, the displacement sensor, and the clamping cylinder.

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