Flattening machine for pressing notch of drop hammer

Abstract

The utility model relates to the technical field of pressing and flattening machines, in particular to a drop hammer notch pressing and flattening machine, which improves the accurate pressing on a notch of a sample piece and the flattening treatment effect on the surface of the sample piece, and improves the test accuracy. Comprising a flattening plate and a pressing head arranged on the outer side wall of the flattening plate. The device further comprises a lifting device, a correcting device, a base, a pressing block and a pressure sensor, the lifting device is arranged at the top end of the base and used for driving the flattening plate to move up and down and driving the flattening plate to turn over and adjust, and the pressing block is installed at the moving end of the lifting device and used for providing downward pressure for the flattening plate. The pressure sensor is arranged at the bottom end of the pressing block, and a correction device is arranged on the base and used for correcting the placement position of the sample piece.

Description

Technical Field

[0001] The utility model relates to the technical field of pressing and flattening machines, in particular to a drop hammer notch pressing and flattening machine. Background Art

[0002] In metal material testing, especially in drop weight tearing test, specimen preparation is of vital importance.

[0003] Currently, in the prior art, patent publication number CN201425565Y discloses a notch pressing die, specifically a notch pressing die for drop weight tear test specimens. The die comprises a pressing head, a pressing blade, and a base. The pressing head has a blade slot, the pressing blade is mounted within the slot, and the blade portion is exposed. The pressing head is mounted on the pressing head body of a press, and the base is mounted on the press beam platform.

[0004] However, during the use of the equipment, it was found that it was not convenient to flatten the surface of the sample before pressing the notch. If the sample was uneven, it would easily affect the accuracy of the pressed notch, thereby reducing the accuracy of the test. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a drop hammer notch pressing and flattening machine which can improve the precise pressing of the notch of the sample piece and the flattening effect of the surface of the sample piece, thereby improving the test accuracy.

[0006] The utility model discloses a drop hammer notch pressing and flattening machine, comprising a pressing plate and a pressure head, the pressure head being arranged on the outer side wall of the pressing plate; further comprising a lifting device, a correction device, a base, a pressing block and a pressure sensor, a lifting device being arranged on the top of the base, the lifting device being used to drive the pressing plate to move up and down, and the lifting device being used to drive the pressing plate to flip and adjust, the pressing block being arranged on the moving end of the lifting device, the pressing block being used to provide downward pressure on the pressing plate, the pressure sensor being arranged at the bottom end of the pressing block, a correction device being arranged on the base, the correction device being used to correct the placement position of the sample piece; the sample piece is placed under the pressing plate at the top of the base, and the sample piece is placed under the pressing plate at the top end of the base. Before pressing the notch of the sample, the pressing plate is first driven downward by the lifting device so that the plane of the pressing plate contacts the top surface of the sample. Then, the pressing block is driven downward by the lifting device so that the pressing block presses the pressing plate downward, so that the pressing plate flattens the surface of the sample. Then, the lifting device drives the pressing plate upward, and turns the pressing plate upside down so that the pressure head faces the sample. Then, the pressing plate is pressed down again so that the pressure head presses the notch of the sample, thereby improving the equipment's ability to accurately press the notch of the sample and flatten the surface of the sample. The pressure is detected by a pressure sensor to improve the accuracy of the test.

[0007] The cam is mounted on a top portion of the base, and the guide frame is mounted on the top of the base, the first slide is mounted on the guide frame by the driving device, the pressing block is mounted on the bottom of the first slide, the second slide is mounted on the guide frame by sliding up and down, the chassis is mounted on the outer wall of the second slide, a rotating device is provided on the chassis for driving the pressing plate to flip, the upper portion of the hook is mounted on the outer wall of the first slide, and the lower portion of the hook is hooked to the second slide; when the driving device drives the first slide to move upward, the first slide drives the second slide to move upward through the hook The second sliding member moves upward, thereby causing the second sliding member to drive the pressing plate to move upward, improving the convenience of flipping and adjusting the pressing plate. After the first sliding member moves downward, the first sliding member drives the second sliding member to move downward through the hook member, so that the bottom end of the pressing plate contacts the top surface of the sample piece. As the first sliding member continues to move downward, the hook member separates from the second sliding member, and then the bottom of the pressure sensor contacts the top of the pressing plate, so that the pressing block presses the pressing plate downward through the pressure sensor, improving the convenience of the pressing plate flattening the sample piece and the pressure head pressing the notch of the sample piece, while reducing the influence of pressure on the rotating device and improving the protection effect of the rotating device.

[0008] Preferably, the rotating device includes a rotating shaft, a worm wheel, a worm and a motor, the end of the rotating shaft is connected to the outer wall of the pressure plate, and the rotating shaft is rotatably installed on the inner wall of the chassis, the worm wheel is installed on the outer wall of the rotating shaft, the worm is rotatably installed on the inner wall of the chassis, the worm is engaged with the worm wheel, the motor is installed on the outer wall of the chassis, and the output end of the motor is connected to the worm; the worm is driven to rotate by the motor, so that the worm drives the rotating shaft to rotate through engagement with the worm wheel, thereby causing the rotating shaft to drive the pressure plate to flip.

[0009] Preferably, the calibration device includes multiple groups of first cylinders, which are respectively installed on both sides of the top of the base; the sample piece placed on the base is centered by the multiple groups of first cylinders, thereby improving the testing convenience of the sample piece.

[0010] Preferably, the driving device includes multiple groups of second cylinders, which are all installed on the top of the guide frame, and the moving ends of the multiple groups of second cylinders are all connected to the top of the first sliding member; the first sliding member is driven to move up and down by the second cylinders, thereby improving the convenience of testing and flattening the sample parts by the pressing plate and the pressing head.

[0011] Preferably, it also includes a third cylinder and a push plate, the third cylinder is installed on the rear part of the outer side wall of the base, and the push plate is installed on the moving end of the third cylinder; the push plate is pushed to move by the third cylinder, so that the push plate corrects the front and rear positions of the sample piece, thereby improving the convenience of automatic position correction of the sample piece.

[0012] Preferably, it also includes multiple groups of protective pads, which are respectively arranged on the moving ends of the multiple groups of first cylinders to improve the protective effect when the multiple groups of first cylinders come into contact with the sample parts.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the sample piece is placed under the pressing plate at the top of the base, and before pressing the notch of the sample piece, the pressing plate is first driven downward by the lifting device so that the plane of the pressing plate contacts the top surface of the sample piece, and then the pressing block is driven downward by the lifting device so that the pressing block presses the pressing plate downward, so that the pressing plate flattens the surface of the sample piece, and then the lifting device drives the pressing plate upward, and by turning the pressing plate up and down, the pressure head is directed toward the sample piece, and then the pressing plate is pressed down again, so that the pressure head presses the notch of the sample piece, thereby improving the equipment's precise pressing of the sample piece notch and the flattening effect of the sample piece surface, and detecting the pressure by the pressure sensor to improve the accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric structural diagram of the present utility model;

[0015] Figure 2 This is a schematic diagram of the axonometric partial structure of the connection between the pressing block and the pressure sensor;

[0016] Figure 3 It is a schematic diagram of the axonometric local structure of the connection between the pressing plate and the pressing head;

[0017] Figure 4 This is an axonometric structural diagram of the connection between the third cylinder and the push plate;

[0018] Figure 5 It is a schematic diagram of the axonometric local structure of the connection between the rotating shaft and the worm gear.

[0019] Markings in the accompanying drawings: 1. Base; 2. Pressing plate; 3. Press head; 4. Pressing block; 5. Pressure sensor; 6. Guide frame; 7. First sliding member; 8. Second sliding member; 9. Chassis; 10. Hook; 11. Rotating shaft; 12. Worm gear; 13. Worm; 14. Motor; 15. First cylinder; 16. Second cylinder; 17. Third cylinder; 18. Push plate; 19. Protective pad. DETAILED DESCRIPTION

[0020] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0021] Example 1

[0022] like Figures 1 to 5 As shown, a drop hammer notch pressing and flattening machine of the present invention includes a pressing plate 2 and a pressing head 3, and the pressing head 3 is arranged on the outer side wall of the pressing plate 2; it also includes a lifting device, a correction device, a base 1, a pressing block 4 and a pressure sensor 5. The top of the base 1 is provided with a lifting device, the lifting device is used to drive the pressing plate 2 to move up and down, and the lifting device is used to drive the pressing plate 2 to flip and adjust, the pressing block 4 is installed on the moving end of the lifting device, the pressing block 4 is used to provide downward pressure on the pressing plate 2, the pressure sensor 5 is provided at the bottom of the pressing block 4, and the base 1 is provided with a correction device, which is used to correct the placement position of the sample piece;

[0023] like Figure 2 As shown, the lifting device includes a driving device, a rotating device, a guide frame 6, a first sliding member 7, a second sliding member 8, a chassis 9 and a hook member 10. The guide frame 6 is installed at the top of the base 1, the first sliding member 7 is slid up and down and installed on the guide frame 6 by the driving device, the pressing block 4 is installed at the bottom end of the first sliding member 7, the second sliding member 8 is slid up and down and installed on the guide frame 6, the chassis 9 is installed on the outer wall of the second sliding member 8, and a rotating device is provided on the chassis 9. The rotating device is used to drive the pressing plate 2 to flip, the upper part of the hook member 10 is installed on the outer wall of the first sliding member 7, and the lower part of the hook member 10 hooks the second sliding member 8;

[0024] In this embodiment, the sample piece is placed under the pressing plate 2 at the top of the base 1. Before pressing the notch of the sample piece, the pressing plate 2 is first driven downward by the lifting device so that the plane of the pressing plate 2 contacts the top surface of the sample piece. Then, the pressing block 4 is driven downward by the lifting device so that the pressing block 4 presses the pressing plate 2 downward, so that the pressing plate 2 flattens the surface of the sample piece. Then, the lifting device drives the pressing plate 2 to move upward, and turns the pressing plate 2 upside down so that the pressure head 3 faces the sample piece. Then, the pressing plate 2 is pressed downward again, so that the pressure head 3 presses the notch of the sample piece, thereby improving the equipment's precise pressing of the notch of the sample piece and the flattening effect of the sample piece surface. The pressure is detected by the pressure sensor 5 to improve the accuracy of the test.

[0025] Example 2

[0026] On the basis of Example 1, Figure 3 As shown, the utility model is a drop hammer notch pressing and flattening machine, the rotating device includes a rotating shaft 11, a worm gear 12, a worm 13 and a motor 14, the end of the rotating shaft 11 is connected to the outer wall of the pressing plate 2, and the rotating shaft 11 is rotatably mounted on the inner wall of the chassis 9, the worm gear 12 is mounted on the outer wall of the rotating shaft 11, the worm 13 is rotatably mounted on the inner wall of the chassis 9, the worm 13 is meshed with the worm gear 12, the motor 14 is mounted on the outer wall of the chassis 9, and the output end of the motor 14 is connected to the worm 13;

[0027] like Figure 1 As shown, the calibration device includes multiple groups of first cylinders 15, and the multiple groups of first cylinders 15 are respectively installed on both sides of the top of the base 1;

[0028] like Figure 1 As shown, the driving device includes multiple groups of second cylinders 16, and the multiple groups of second cylinders 16 are all installed on the top of the guide frame 6, and the moving ends of the multiple groups of second cylinders 16 are all connected to the top of the first sliding member 7;

[0029] like Figure 4 As shown, it also includes a third cylinder 17 and a push plate 18. The third cylinder 17 is installed at the rear of the outer side wall of the base 1, and the push plate 18 is installed on the moving end of the third cylinder 17;

[0030] like Figure 1 As shown, it also includes multiple sets of protection pads 19, which are respectively arranged on the moving ends of the multiple sets of first cylinders 15;

[0031] After the first slide 7 is driven by the driving device, the second slide 8 is driven by the hook 10 to move upward, thereby the second slide 8 drives the pressing plate 2 to move upward, thereby improving the convenience of flipping and adjusting the pressing plate 2. When the first slide 7 is moved downward, the first slide 7 drives the second slide 8 to move downward through the hook 10, so that the bottom end of the pressing plate 2 contacts the top surface of the sample piece. As the first slide 7 continues to move downward, the hook 10 is separated from the second slide 8. Then the bottom of the pressure sensor 5 contacts the top end of the pressing plate 2, thereby causing the pressing block 4 to press the pressing plate 2 downward through the pressure sensor 5, thereby improving the convenience of the pressing plate 2 flattening the sample piece and the pressure head 3 pressing the notch of the sample piece. At the same time, it reduces the influence of pressure on the rotating device and improves the protection effect of the rotating device. The worm 13 is driven to rotate by the motor 14, so that the worm 13 drives the rotating shaft 11 to rotate through the engagement with the worm gear 12, thereby causing the rotating shaft 11 to drive the pressing plate 2 to flip.

[0032] The utility model provides a drop hammer notch pressing and flattening machine, which places the sample piece under the pressing plate 2 on the top of the base 1 when working. Before pressing the notch of the sample piece, the pressing plate 2 is first driven downward by the lifting device so that the plane of the pressing plate 2 contacts the top surface of the sample piece, and then the pressing block 4 is driven downward by the lifting device to press the pressing block 4 downward on the pressing plate 2, so that the pressing plate 2 flattens the surface of the sample piece, and then the lifting device drives the pressing plate 2 to move upward, and by turning the pressing plate 2 up and down, the pressure head 3 is directed towards the sample piece, and then the pressing plate 2 is pressed downward again, so that the pressure head 3 presses the notch of the sample piece.

[0033] The pressure sensor 5, motor 14, first cylinder 15, second cylinder 16 and third cylinder 17 of the drop hammer notch pressing and flattening machine of the present invention are purchased on the market. Technical personnel in this industry only need to install and operate them according to the accompanying instruction manual, without the need for technical personnel in this field to make creative labor.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A drop hammer notch pressing and flattening machine, comprising a pressing plate (2) and a pressing head (3), wherein the pressing head (3) is arranged on the outer side wall of the pressing plate (2); characterized in that: The device further comprises a lifting device, a correction device, a base (1), a pressing block (4) and a pressure sensor (5); the lifting device is provided at the top of the base (1); the lifting device is used to drive the pressing plate (2) to move up and down, and the lifting device is used to drive the pressing plate (2) to flip and adjust; the pressing block (4) is installed on the moving end of the lifting device; the pressing block (4) is used to provide downward pressure on the pressing plate (2); the pressure sensor (5) is provided at the bottom end of the pressing block (4); the base (1) is provided with a correction device; the correction device is used to correct the placement position of the sample piece.

2. A drop hammer notch pressing and flattening machine according to claim 1, characterized in that: The lifting device comprises a driving device, a rotating device, a guide frame (6), a first sliding member (7), a second sliding member (8), a chassis (9) and a hook member (10), wherein the guide frame (6) is mounted on the top of the base (1), the first sliding member (7) is mounted on the guide frame (6) by sliding up and down through the driving device, the pressing block (4) is mounted on the bottom of the first sliding member (7), the second sliding member (8) is mounted on the guide frame (6) by sliding up and down, the chassis (9) is mounted on the outer side wall of the second sliding member (8), a rotating device is provided on the chassis (9), and the rotating device is used to drive the pressing plate (2) to flip, the upper part of the hook member (10) is mounted on the outer side wall of the first sliding member (7), and the lower part of the hook member (10) hooks the second sliding member (8).

3. A drop hammer notch pressing and flattening machine according to claim 2, characterized in that: The rotating device comprises a rotating shaft (11), a worm wheel (12), a worm (13) and a motor (14); the end of the rotating shaft (11) is connected to the outer side wall of the pressing plate (2); the rotating shaft (11) is rotatably mounted on the inner side wall of the chassis (9); the worm wheel (12) is mounted on the outer side wall of the rotating shaft (11); the worm (13) is rotatably mounted on the inner side wall of the chassis (9); the worm (13) is meshed with the worm wheel (12); the motor (14) is mounted on the outer side wall of the chassis (9); and the output end of the motor (14) is connected to the worm (13).

4. A drop hammer notch pressing and flattening machine according to claim 1, characterized in that: The calibration device comprises a plurality of groups of first cylinders (15), which are respectively installed on both sides of the top of the base (1).

5. The drop hammer notch pressing and flattening machine according to claim 2, characterized in that: The driving device comprises a plurality of groups of second cylinders (16), each of which is mounted on the top of the guide frame (6), and the movable ends of each of which are connected to the top of the first sliding member (7).

6. The drop hammer notch pressing and flattening machine according to claim 1, characterized in that: It also includes a third cylinder (17) and a push plate (18), wherein the third cylinder (17) is mounted on the rear portion of the outer side wall of the base (1), and the push plate (18) is mounted on the moving end of the third cylinder (17).

7. A drop hammer notch pressing and flattening machine according to claim 4, characterized in that: It also includes multiple groups of protection pads (19), which are respectively arranged on the moving ends of the multiple groups of first cylinders (15).

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