Full-automatic steel bar circular sample blank preparation system

Abstract

The utility model discloses a full-automatic steel bar round sample blank preparation system, which belongs to the technical field of machining, and comprises a bar clamp arranged above a conveying belt, a workpiece is clamped on the bar clamp, the bar clamp comprises a clamp body which is of a hollow structure, a placing seat is arranged on the clamp body, and the placing seat is arranged on the conveying belt. The placing seat extends along the width direction of the clamp body and is used for placing a workpiece; the first clamping part is movably arranged on the clamp body; the second clamping part is movably arranged on the clamp body, the second clamping part and the first clamping part are the same in structure, and the second clamping part and the first clamping part are symmetrically arranged; the first clamping part and the second clamping part are both connected with the first driving mechanism and used for driving the first clamping part and the second clamping part to move face to face or back to back at the same time. The first clamping part and the second clamping part are driven by the motor to synchronously get close to or get away from each other to clamp the assembly, the two sides of the steel bar can be clamped at the same time, and deformation or deviation caused by excessive single-point stress is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, specifically, it relates to a fully automatic system for preparing circular steel bar sample blanks. Background Technology

[0002] Steel mills must test the chemical composition and mechanical properties of steel during the production of bars in order to determine whether the steel meets quality requirements.

[0003] The current problems of low processing accuracy, low processing efficiency, and low automation in the processing of tensile test specimens, impact test specimens, end-quenched test specimens, and ON test specimens affect the timely delivery of steel products.

[0004] Therefore, the Chinese utility model patent with patent number CN220322882U, entitled "A Fully Automatic Steel Bar Circular Sample Billet Preparation System", allows each station in the system to complete its own actions independently. In one loading, the system can complete the positioning, clamping, tensile test specimen, impact test specimen, end-quenched test specimen and ON test specimen billet drilling, deburring, sample billet receiving, coding and placement, etc. It is not only highly automated, but also has good stability, is suitable for bar billets of various specifications, and has high processing efficiency.

[0005] However, when the clamp is gripping the bar, the clamp moves one side of the clamp closer to or further away from the other side to perform the gripping and releasing action, which may cause uneven force during gripping, resulting in deformation or displacement. Utility Model Content

[0006] To solve the above problems, the present invention adopts the following technical solution:

[0007] A fully automatic system for preparing circular steel bar sample blanks includes a conveyor belt, a bar clamp mounted above the conveyor belt, a workpiece clamped in the bar clamp, a first CNC power milling head and a second CNC power milling head respectively located at the left and right ends of the conveyor belt, and an elastic feeder located on the side of the first CNC power milling head closer to the second CNC power milling head. The bar clamp includes:

[0008] The fixture body has a hollow structure and a placement seat is provided on the fixture body. The placement seat extends along the width direction of the fixture body and is used to place the workpiece.

[0009] A first clamping part is movably disposed on the clamp body;

[0010] The second clamping part is movably disposed on the clamp body. The second clamping part has the same structure as the first clamping part and is symmetrically disposed with the first clamping part.

[0011] The first driving mechanism is connected to both the first clamping part and the second clamping part, and is used to drive the first clamping part and the second clamping part to move towards or away from each other simultaneously.

[0012] Furthermore, the first driving mechanism includes:

[0013] A first motor is disposed on one side of the clamp body;

[0014] A first bidirectional lead screw is disposed inside the clamp body, with its first end extending to the outside of the clamp body and connected to the output shaft of the first motor, and its second end rotatably connected to the clamp body.

[0015] The first slider is movably disposed on the first bidirectional lead screw, and the first slider is provided with a lead screw nut that cooperates with the first bidirectional lead screw. The first clamping part is fixedly connected to the first slider.

[0016] The second slider is symmetrically arranged with the first slider, and the second slider is provided with a screw nut that cooperates with the first bidirectional screw. The second clamping part is fixedly connected to the second slider.

[0017] A first sliding rod passes through the first slider and the second slider, and both ends are fixedly connected to the clamp body. The first sliding rod is slidably connected to the first slider and the second slider.

[0018] Furthermore, the first slide bar comprises two rods, which are respectively located on both sides of the first bidirectional lead screw.

[0019] Furthermore, the upper end of the placement base is provided with a recessed portion, and the cross-section of the recessed portion is V-shaped.

[0020] Furthermore, the first clamping part includes:

[0021] A first clamping plate, the first clamping plate having a hollow structure, and a first clamping block and a second clamping block being movably disposed on the first clamping plate;

[0022] The second driving mechanism is disposed on the first clamping plate and is used to drive the first clamping block and the second clamping block to move simultaneously toward or away from each other.

[0023] Furthermore, the second drive mechanism includes:

[0024] A second motor is disposed on one side of the first clamping plate;

[0025] The second bidirectional lead screw is disposed inside the first clamping plate, and the first end of the second bidirectional lead screw extends to the outside of the first clamping plate and is connected to the output shaft of the second motor, and the second end is rotatably connected to the first clamping plate.

[0026] The third slider is movably mounted on the second bidirectional lead screw, and a lead screw nut that cooperates with the second bidirectional lead screw is provided inside the third slider. The first clamping block is fixedly connected to the third slider.

[0027] The fourth slider is symmetrically arranged with the third slider, and the fourth slider is provided with a screw nut that cooperates with the second bidirectional screw. The second clamping block is fixedly connected to the fourth slider.

[0028] The second slide rod passes through the third slider and the fourth slider, and both ends are fixedly connected to the first clamping plate. The second slide rod is slidably connected to the third slider and the fourth slider.

[0029] Furthermore, the first clamping block is provided with a first inclined surface, and the second clamping block is provided with a second inclined surface, the first inclined surface and the second inclined surface forming a V-shaped clamping surface.

[0030] Furthermore, rubber pads are provided on both the first inclined surface and the second inclined surface.

[0031] The beneficial effects of this utility model are:

[0032] This invention uses a motor to drive the first clamping part and the second clamping part to move closer or further away synchronously to clamp the workpiece, which can clamp both sides of the steel bar at the same time, avoiding deformation or displacement caused by excessive force on a single point.

[0033] This invention forms a V-shaped clamping surface between the first clamping block and the second clamping block, which is suitable for bars of different diameters. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the fixture in a fully automatic steel bar circular sample blank preparation system of this utility model;

[0035] Figure 2 This is a partial schematic diagram of the present invention.

[0036] In the figure: 1. Mounting base; 2. Fixture body; 3. Workpiece; 4. First motor; 5. First bidirectional lead screw; 6. First slider; 7. Second slider; 8. First clamping plate; 9. First clamping block; 10. Second clamping block; 11. Second motor; 12. Second bidirectional lead screw; 13. Third slider; 14. Fourth slider; 15. Placement base; 16. First slide bar. Detailed Implementation

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] Example 1

[0039] refer to Figures 1 to 2 A fully automatic system for preparing circular steel bar sample blanks includes a conveyor belt, a bar clamp mounted above the conveyor belt, a workpiece 3 clamped in the bar clamp, a first CNC power milling head and a second CNC power milling head respectively located at the left and right ends of the conveyor belt, and an elastic feeder located on the side of the first CNC power milling head closer to the second CNC power milling head. The bar clamp includes:

[0040] The fixture body 2 is a hollow structure, and a placement seat 15 is provided on the fixture body 2. The placement seat 15 extends along the width direction of the fixture body 2 and is used to place the workpiece 3.

[0041] The first clamping part is movably disposed on the clamp body 2;

[0042] The second clamping part is movably disposed on the clamp body 2. The second clamping part has the same structure as the first clamping part and is symmetrically disposed with the first clamping part.

[0043] The first driving mechanism, the first clamping part and the second clamping part are both connected to the first driving mechanism, and are used to drive the first clamping part and the second clamping part to move towards each other or away from each other at the same time.

[0044] In practice, the bar clamp is installed on the conveyor belt via mounting base 1.

[0045] This invention uses a motor to drive the first clamping part and the second clamping part to move closer or further away synchronously to clamp the workpiece, which can clamp both sides of the steel bar at the same time, avoiding deformation or displacement caused by excessive force on a single point.

[0046] In this embodiment, the upper side of the clamp body 2 is symmetrically provided with through slots corresponding to the first clamping part and the second clamping part. The upper ends of the first clamping part and the second clamping part pass through the corresponding through slots and extend to the upper side of the clamp body 2.

[0047] In this embodiment, the first driving mechanism includes:

[0048] The first motor 4 is located on one side of the clamp body 2;

[0049] The first bidirectional lead screw 5 is disposed inside the clamp body 2, and the first end of the first bidirectional lead screw 5 extends to the outside of the clamp body 2 and is connected to the output shaft of the first motor 4, and the second end is rotatably connected to the clamp body 2.

[0050] In this embodiment, the first bidirectional lead screw is a lead screw with opposite directions of rotation at both ends.

[0051] The first slider 6 is movably mounted on the first bidirectional lead screw 5, and the first slider 6 is provided with a lead screw nut that cooperates with the first bidirectional lead screw 5. The first clamping part is fixedly connected to the first slider 6.

[0052] The second slider 7 is symmetrically arranged with the first slider 6, and the second slider 7 is provided with a screw nut that cooperates with the first bidirectional screw 5. The second clamping part is fixedly connected to the second slider 7.

[0053] The first slide rod 16 passes through the first slider 6 and the second slider 7, and both ends are fixedly connected to the clamp body 2. The first slide rod 16 is slidably connected to the first slider 6 and the second slider 7.

[0054] In this embodiment, the first slider 6 and the second slider 7 are respectively disposed on the threads of the first bidirectional lead screw with opposite rotation directions.

[0055] In this embodiment, the first slide bar 16 includes two rods, which are located on both sides of the first bidirectional lead screw 5.

[0056] In this embodiment, the upper end of the placement seat 15 is provided with a recessed portion, and the cross-section of the recessed portion is V-shaped.

[0057] In this embodiment, the first clamping part includes:

[0058] The first clamping plate 8 has a hollow structure, and the first clamping block 9 and the second clamping block 10 are movably disposed on the first clamping plate 8.

[0059] The second driving mechanism is disposed on the first clamping plate 8 and is used to drive the first clamping block 9 and the second clamping block 10 to move towards or away from each other simultaneously.

[0060] In this embodiment, the second driving mechanism includes:

[0061] The second motor 11 is disposed on one side of the first clamping plate 8;

[0062] The second bidirectional lead screw is disposed inside the first clamping plate 8, and the first end of the second bidirectional lead screw extends to the outside of the first clamping plate 8 and is connected to the output shaft of the second motor 11, and the second end is rotatably connected to the first clamping plate 8.

[0063] In this embodiment, the second bidirectional lead screw is a lead screw with opposite directions of rotation at both ends.

[0064] The third slider 13 is movably mounted on the second bidirectional lead screw, and a lead screw nut that cooperates with the second bidirectional lead screw is provided inside the third slider 13. The first clamping block 9 is fixedly connected to the third slider 13.

[0065] The fourth slider 14 is symmetrically arranged with the third slider 13, and the fourth slider 14 is provided with a screw nut that cooperates with the second bidirectional screw. The second clamping block 10 is fixedly connected to the fourth slider 14.

[0066] The second slide rod passes through the third slider 13 and the fourth slider 14, and both ends are fixedly connected to the first clamping plate 8. The second slide rod is slidably connected to the third slider 13 and the fourth slider 14.

[0067] In this embodiment, the third slider 13 and the fourth slider 14 are respectively disposed on the threads of the second bidirectional lead screw with opposite directions of rotation.

[0068] In this embodiment, the first clamping block 9 is provided with a first inclined surface, and the second clamping block 10 is provided with a second inclined surface. The first inclined surface and the second inclined surface form a V-shaped clamping surface.

[0069] In this embodiment, rubber pads are provided on both the first inclined surface and the second inclined surface.

[0070] This invention forms a V-shaped clamping surface between the first clamping block and the second clamping block, which is suitable for bars of different diameters.

[0071] In use, firstly, adjust the distance between the first clamping block and the second clamping block according to the size. After the adjustment is completed, place the steel rod on the placement seat 15 by the robotic arm, start the first motor, and drive the first bidirectional lead screw to rotate, thereby causing the first clamping part and the second clamping part to move closer or further apart to clamp the steel rod.

[0072] If the size of the steel bar needs to be changed, the distance between the first clamping block and the second clamping block should be readjusted.

[0073] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model are included within the protection scope of this utility model.

Claims

1. A fully automatic system for preparing circular steel bar sample blanks, comprising a conveyor belt, a bar clamp mounted above the conveyor belt, a workpiece clamped on the bar clamp, a first CNC power milling head and a second CNC power milling head respectively provided at the left and right ends of the conveyor belt, and an elastic feeder provided on the side of the first CNC power milling head closer to the second CNC power milling head, characterized in that, The bar clamp includes: The fixture body has a hollow structure and a placement seat is provided on the fixture body. The placement seat extends along the width direction of the fixture body and is used to place the workpiece. A first clamping part is movably disposed on the clamp body; The second clamping part is movably disposed on the clamp body. The second clamping part has the same structure as the first clamping part and is symmetrically disposed with the first clamping part. The first driving mechanism is connected to both the first clamping part and the second clamping part, and is used to drive the first clamping part and the second clamping part to move towards or away from each other simultaneously.

2. The fully automatic steel bar circular sample blank preparation system according to claim 1, characterized in that, The first driving mechanism includes: A first motor is disposed on one side of the clamp body; A first bidirectional lead screw is disposed inside the clamp body, with its first end extending to the outside of the clamp body and connected to the output shaft of the first motor, and its second end rotatably connected to the clamp body. A first slider is movably mounted on the first bidirectional lead screw, and a lead screw nut that cooperates with the first bidirectional lead screw is provided inside the first slider; the first clamping part is fixedly connected to the first slider. The second slider is symmetrically arranged with the first slider, and the second slider is provided with a screw nut that cooperates with the first bidirectional screw. The second clamping part is fixedly connected to the second slider. A first slide rod passes through the first slider and the second slider, and both ends are fixedly connected to the clamp body. The first slide rod is slidably connected to the first slider and the second slider.

3. The fully automated steel bar circular sample blank preparation system according to claim 2, characterized in that, The first slide bar comprises two rods, which are located on both sides of the first bidirectional lead screw.

4. The fully automatic steel bar circular sample blank preparation system according to claim 3, characterized in that, The upper end of the placement base is provided with a recessed portion, and the cross-section of the recessed portion is V-shaped.

5. The fully automatic steel bar circular sample blank preparation system according to claim 1, characterized in that, The first clamping part includes: A first clamping plate, the first clamping plate having a hollow structure, and a first clamping block and a second clamping block being movably disposed on the first clamping plate; The second driving mechanism is disposed on the first clamping plate and is used to drive the first clamping block and the second clamping block to move simultaneously toward or away from each other.

6. The fully automated steel bar circular sample preparation system according to claim 5, characterized in that, The second drive mechanism includes: A second motor is disposed on one side of the first clamping plate; The second bidirectional lead screw is disposed inside the first clamping plate, and the first end of the second bidirectional lead screw extends to the outside of the first clamping plate and is connected to the output shaft of the second motor, and the second end is rotatably connected to the first clamping plate. The third slider is movably mounted on the second bidirectional lead screw, and a lead screw nut that cooperates with the second bidirectional lead screw is provided inside the third slider. The first clamping block is fixedly connected to the third slider. The fourth slider is symmetrically arranged with the third slider, and the fourth slider is provided with a screw nut that cooperates with the second bidirectional screw. The second clamping block is fixedly connected to the fourth slider. The second slide rod passes through the third slider and the fourth slider, and both ends are fixedly connected to the first clamping plate. The second slide rod is slidably connected to the third slider and the fourth slider.

7. The fully automatic steel bar circular sample blank preparation system according to claim 5, characterized in that, The first clamping block is provided with a first inclined surface, and the second clamping block is provided with a second inclined surface. The first inclined surface and the second inclined surface form a V-shaped clamping surface.

8. The fully automatic steel bar circular sample blank preparation system according to claim 7, characterized in that, Rubber pads are provided on both the first inclined surface and the second inclined surface.

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