Sheet metal stamping part tensile strength testing device

Abstract

The utility model discloses a tensile strength testing device for sheet metal stamping parts, which relates to the technical field of tensile strength testing tools for sheet metal stamping parts and comprises a base, guide columns arranged on two sides above the base, a transparent plate mounted on the front end face of one guide column, hinges mounted on the transparent plate and the outer wall of the guide column, and a cover plate fixedly connected to the top end of the guide column. A mounting seat is arranged between the guide columns; three-jaw chucks are mounted on two sides above the mounting seat; a seat lifting adjusting component is arranged on the inner side of the guide post; through the transparent plate on the base, the operation condition of the device can be observed in the operation process; the leveling seat on the lower side of the mounting seat moves downwards to extrude the workpiece on the bearing plate for a leveling process, the workpiece is conveniently prevented from moving during leveling through the arrangement of the clamping plate, and the leveling process is beneficial to the accuracy of the detection quality during the tensile strength test; and through the three-jaw chucks on the two sides of the upper portion of the mounting base, the stamping part can be clamped, and the situation that the stamping part pops up due to the clamping problem is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal stamping parts tensile strength testing tools, in particular to a sheet metal stamping parts tensile strength testing device. Background Art

[0002] Sheet metal stamping is a commonly used metal forming process. By placing a metal sheet in a mold, impacting and pressing it under the action of external force, it undergoes plastic deformation and finally obtains a part of the desired shape. With the wide application of sheet metal stamping parts in various fields, the testing requirements for their mechanical properties are gradually increasing. However, there are also some corresponding problems with traditional tensile strength testing devices. For example, the fixture is not firmly fixed to the workpiece during stamping, which can easily cause the stamping parts to pop out and injure people during testing; or the uneven surface of the stamping parts affects the quality of its testing. Therefore, the above technical problems need to be solved and processed. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a tensile strength testing device for sheet metal stamping parts.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sheet metal stamping tensile strength testing device, comprising a base, guide columns are provided on both sides above the base, an openable transparent plate is movably installed on the front end surface of one of the guide columns, hinges for movable hinges are installed between the transparent plate and the outer wall of the guide column, a cover plate is transversely fixed between the top ends of the two guide columns, and a horizontal mounting seat is movably provided between the two guide columns; a three-jaw chuck for tensile testing of sheet metal stamping parts is installed on the top of the mounting seat and the bottom of the cover plate; an adjustment component for lifting and lowering the mounting seat is installed on the inner side surface of one of the guide columns.

[0005] Preferably, a leveling seat is vertically installed in the middle of the bottom surface of the mounting seat, a supporting plate is fixedly installed in the middle of the top surface of the base, clamping plates are slidably installed on the top surfaces of the base on both sides of the supporting plate, and the bottom surface height of the clamping plate is higher than the top surface height of the supporting plate.

[0006] Preferably, the adjustment assembly includes a threaded rod vertically rotatably arranged on the inner side surface of one of the guide columns, a servo motor for driving the threaded rod is arranged inside one end of the base, and the bottom end of the threaded rod movably penetrates into the base and is coaxially fixed with the drive shaft of the servo motor; a threaded hole matching the threaded rod is vertically opened on the top surface of one end of the mounting seat, and the threaded rod is screwed out of the threaded hole of the mounting seat.

[0007] Preferably, a guide groove is vertically opened on the inner side surface of the other guide column, and the other end of the mounting seat slides and abuts against the inside of the guide groove; a rectangular slider is vertically fixed to the bottom of the clamping plate, and sliding grooves for the rectangular slider to be inserted are horizontally installed on both sides of the top surface of the base, and a plurality of limit grooves for the rectangular slider to enter are equidistantly opened on the front end inner wall of the sliding groove.

[0008] Preferably, the inner end faces of the clamping plates are provided with V-shaped clamping grooves; a protective plate is installed between the rear end faces of the two guide columns, and fixing bolts are longitudinally penetrated at the four corners of the rear end faces of the protective plate, and positioning screw grooves are provided on the rear end faces of the guide columns to cooperate with the fixing bolts.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: in the utility model, the transparent plate on the base is used to facilitate observation of the operation of the equipment during operation; the leveling seat on the lower side of the mounting seat moves downward, and the uneven workpiece can be squeezed onto the supporting plate to level the stamping parts, and clamping plates are also provided on both sides to prevent the workpiece from moving during the leveling process, and the leveling process is beneficial to the accuracy of quality detection during tensile strength testing; the three-jaw chucks on both sides above the mounting seat are used to clamp the stamping parts, preventing the stamping parts from popping out due to unstable clamping during the tensile strength test. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0011] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of some components proposed in the utility model;

[0013] Figure 3 This is a schematic diagram of the bottom cross-sectional structure proposed by the utility model;

[0014] Figure 4 This is a schematic diagram of the rear-view stereoscopic structure proposed by the utility model;

[0015] Figure 5 The utility model proposed Figure 2 Enlarged schematic diagram of area A in the middle.

[0016] Serial numbers in the figure: 1. base; 2. guide column; 3. hinge; 4. mounting seat; 5. transparent plate; 6. cover plate; 7. leveling seat; 8. supporting plate; 9. clamping plate; 10. protective plate; 11. limit groove; 12. threaded rod; 13. fixing bolt; 14. three-jaw chuck. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] Example: See Figure 1-5 A sheet metal stamping tensile strength testing device in the utility model comprises a base 1, guide columns 2 are arranged on both sides above the base 1, an openable transparent plate 5 is movably mounted on the front end surface of one of the guide columns 2, hinges 3 for movable hinges are installed between the transparent plate 5 and the outer wall of the guide column 2, a cover plate 6 is transversely fixed between the top ends of the two guide columns 2, and a transverse mounting seat 4 is movably arranged between the two guide columns 2; a three-jaw chuck 14 for tensile testing of sheet metal stamping parts is installed on the top of the mounting seat 4 and the bottom of the cover plate 6; an adjusting component for lifting and lowering the mounting seat 4 is installed on the inner side surface of one of the guide columns 2, and this structure is conducive to the up and down movement of the device, first leveling and tensile testing process.

[0019] In the utility model, a leveling seat 7 is vertically installed in the middle of the bottom surface of the mounting seat 4, a supporting plate 8 is fixedly installed in the middle of the top surface of the base 1, and clamping plates 9 are slidably installed on the top surface of the base 1 on both sides of the supporting plate 8, and the bottom surface height of the clamping plate 9 is higher than the top surface height of the supporting plate 8. This structure is beneficial to prevent the workpiece from moving during the leveling process.

[0020] In the utility model, the adjustment component includes a threaded rod 12 which is vertically rotatably arranged on the inner side surface of one of the guide columns 2. A servo motor driven by the threaded rod 12 is arranged inside one end of the base 1. The bottom end of the threaded rod 12 is movably penetrated into the base 1 and is coaxially fixed to the driving shaft of the servo motor. A threaded hole which cooperates with the threaded rod 12 is vertically opened on the top surface of one end of the mounting seat 4, and the threaded rod 12 is screwed and extended out from the threaded hole of the mounting seat 4. A guide groove is vertically opened on the inner side surface of the other guide column 2, and the other end of the mounting seat 4 slides and abuts against the inside of the guide groove. This structure facilitates the up and down movement of the mounting seat 4, and facilitates the stability of the leveling process and the tensile strength test of the stamping parts.

[0021] In the utility model, a rectangular slider is vertically fixed to the bottom of the clamping plate 9, and sliding grooves for the rectangular slider to be inserted are horizontally installed on both sides of the top surface of the base 1, and a plurality of limit grooves 11 for the rectangular slider to enter are equidistantly provided on the front end inner wall of the sliding groove; a V-shaped clamping groove is provided on the inner end surface of the clamping plate 9; a protective plate 10 is installed between the rear end surfaces of the two guide columns 2, and fixing bolts 13 are longitudinally penetrated at the four corners of the rear end surface of the protective plate 10, and positioning screw grooves are provided on the rear end surface of the guide column 2 to cooperate with the fixing bolts 13. This structure can effectively prevent accidents caused by accidents.

[0022] Working principle: When the utility model is used, the servo motor and the two three-jaw chucks 14 in the base 1 are first electrically connected to the external control device through wires, and then the mounting seat 4 is installed between the two guide columns 2, and then the sheet metal stamping to be leveled is first placed on the top of the support plate 8, and then the workpiece placed on the support plate 8 is clamped and positioned by adjusting the two clamping plates 9, and then the threaded rod 12 installed on the guide column 2 cooperates with the servo motor to enable the mounting seat 4 to move up and down. When the mounting seat 4 descends, the leveling seat 7 on the lower side of the mounting seat 4 can cooperate with the support plate 8 to facilitate the pressing and leveling operation of the uneven parts of the sheet metal stamping parts, and the workpiece is clamped by the three-jaw chuck 14 arranged on both sides of the mounting seat 4, and the inner side of the jaws of the three-jaw chuck 14 is provided with a protective pad to prevent the workpiece from accidentally falling off, which is beneficial to the normal detection of the tensile test; and transparent plates 5 are provided on both sides of the guide column 2, which is beneficial to prevent the workpiece from falling off and popping out during the tensile test, and it is also convenient to observe the running status during the test.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sheet metal stamping part tensile strength testing device, comprising a base (1), Features: Guide columns (2) are provided on both sides above the base (1); an openable transparent plate (5) is movably mounted on the front end surface of one of the guide columns (2); hinges (3) for movable hinge connection are installed between the transparent plate (5) and the outer wall of the guide column (2); a cover plate (6) is transversely fixed between the top ends of the two guide columns (2); a transverse mounting seat (4) is movably arranged between the two guide columns (2); a three-jaw chuck (14) for tensile testing of sheet metal stamping parts is installed on the top of the mounting seat (4) and the bottom of the cover plate (6); and an adjustment component for lifting and lowering the mounting seat (4) is installed on the inner side surface of one of the guide columns (2).

2. A sheet metal stamping parts tensile strength testing device according to claim 1, Features: A leveling seat (7) is vertically mounted in the middle of the bottom surface of the mounting seat (4), a supporting plate (8) is fixedly mounted in the middle of the top surface of the base (1), and clamping plates (9) are slidably mounted on the top surfaces of the base (1) on both sides of the supporting plate (8), and the bottom surface height of the clamping plates (9) is higher than the top surface height of the supporting plate (8).

3. A sheet metal stamping parts tensile strength testing device according to claim 1, Features: The adjustment assembly comprises a threaded rod (12) which is vertically rotatably arranged on the inner side surface of one of the guide columns (2); a servo motor for driving the threaded rod (12) is arranged inside one end of the base (1); the bottom end of the threaded rod (12) movably penetrates into the base (1) and is coaxially fixedly connected to the drive shaft of the servo motor; a threaded hole which cooperates with the threaded rod (12) is vertically opened on the top surface of one end of the mounting seat (4); the threaded rod (12) is screwed into the threaded hole of the mounting seat (4) and extends out.

4. A sheet metal stamping parts tensile strength testing device according to claim 3, Features: A guide groove is vertically provided on the inner side surface of the other guide column (2), and the other end of the mounting seat (4) is slidably abutted against the inside of the guide groove.

5. A sheet metal stamping parts tensile strength testing device according to claim 2, Features: A rectangular slider is vertically fixed to the bottom of the clamping plate (9), and sliding grooves for the rectangular slider to be inserted are horizontally installed on both sides of the top surface of the base (1), and a plurality of limit grooves (11) for the rectangular slider to enter are equidistantly provided on the front inner wall of the sliding groove.

6. A sheet metal stamping parts tensile strength testing device according to claim 5, Features: The inner end surfaces of the clamping plates (9) are each provided with a V-shaped clamping groove.

7. A sheet metal stamping parts tensile strength testing device according to claim 1, Features: A protective plate (10) is installed between the rear end surfaces of the two guide columns (2), and fixing bolts (13) are longitudinally penetrated at the four corners of the rear end surface of the protective plate (10), and positioning screw grooves are provided on the rear end surfaces of the guide columns (2) to match the fixing bolts (13).

Images