Punching and trimming die

Abstract

The utility model discloses a punching and trimming die, which relates to the technical field of machining and comprises a table board, a supporting cabinet body is fixedly connected to the bottom surface of the table board, a rubber pad is fixedly connected to the bottom surface of the supporting cabinet body, a drawing box is slidably connected to the inside of the supporting cabinet body, and a handle is fixedly connected to the front surface of the drawing box. The upper surface of the table board is fixedly connected with a U-shaped frame, and a limiting mechanism is arranged above the table board. By means of the limiting mechanism, the lower die can be rapidly replaced and installed, meanwhile, time and physical strength of workers are saved, work efficiency and yield are further improved, the electric push rod is started, the electric push rod synchronously drives the clamping plate and the protective pad to move in the direction of a workpiece entity, and the work efficiency is improved. According to the punching and trimming die, the workpiece entity can be clamped and fixed, it is guaranteed that when the punching and trimming die punches the workpiece entity, the workpiece entity does not shake or shift, and the punching and trimming die is safer and more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a punching and trimming die. Background Art

[0002] The mold generally consists of two parts, a movable mold and a fixed mold, which can be separated or combined. When separated, the workpiece is taken out, and when combined, the blank is injected into the mold cavity for forming. The mold is a precision tool with a complex shape. It bears the expansion force of the blank and has high requirements on structural strength, rigidity, surface hardness, surface roughness and processing accuracy. The development level of mold production is one of the important indicators of the level of mechanical manufacturing.

[0003] According to the patent with application number 202220032079.6, a car side trimming punching die is disclosed, which includes a support assembly, including a placing piece, a top plate arranged on the top of the placing piece, a storage piece arranged below the placing piece, a supporting piece arranged at the bottom of the placing piece, and a fixing piece and a stabilizing piece arranged on the outside of the supporting piece; and a punching assembly, including a driving piece arranged at the bottom of the top plate, a punching piece arranged at the bottom of the driving piece, a mounting piece arranged on the outside of the punching piece, and an auxiliary piece arranged at the bottom of the punching piece.

[0004] The above scheme solves the problem that most of the existing automobile side trimming punching dies are not highly automated, inconvenient to operate, not only inefficient, but also inconvenient to replace the dies. However, the above scheme uses bolts to disassemble and replace the dies when replacing the dies, which is cumbersome, time-consuming and laborious. At the same time, when replacing the dies, the progress of the work will be delayed due to the cumbersome, time-consuming and laborious reasons, resulting in low work output, which has certain shortcomings. Therefore, a punching and trimming die is needed to solve the above technical problems. Utility Model Content

[0005] The utility model aims to make up for the deficiencies of the prior art and provides a punching and trimming die.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching and trimming mold, including a table top, the bottom surface of the table top is fixedly connected to a supporting cabinet, the bottom surface of the supporting cabinet is fixedly connected to a rubber pad, the interior of the supporting cabinet is slidably connected to a pull-out box, the front of the pull-out box is fixedly connected to a handle, the upper surface of the table top is fixedly connected to a U-shaped frame, a limiting mechanism is arranged above the table top, the inner wall of the U-shaped frame is slidably connected to a lower mold, the left side of the lower mold is fixedly connected to a second slide bar, the outer surface of the second slide bar is slidably connected to the inner wall of the U-shaped frame, the upper surface of the lower mold is connected to a workpiece entity, the The upper surface of the table top is fixedly connected to a vertical plate, an electric push rod is fixedly connected inside the vertical plate, an end of the electric push rod close to the workpiece entity is fixedly connected to a clamping plate, a side of the clamping plate away from the electric push rod is fixedly connected to a protective pad, the upper surface of the table top is fixedly connected to a right-angle frame, a side of the right-angle frame close to the workpiece entity is fixedly connected to a hydraulic push rod, an end of the hydraulic push rod away from the right-angle frame is fixedly connected to a square plate, an upper mold is slidably connected to the inner wall of the square plate, a first slide bar is fixedly connected to the left side of the upper mold, an outer surface of the first slide bar is slidably connected to the inner wall of the square plate, and a punch is installed on the bottom surface of the upper mold.

[0007] Preferably, the limiting mechanism comprises a baffle and a square shell, the baffle is slidably connected inside the U-shaped frame, the baffle is in contact with the outer surface of the lower mold, and the baffle is in contact with one end of the second slide bar.

[0008] Preferably, the square shell is fixedly connected to the outer surface of the U-shaped frame, and a limiting groove is provided inside the square shell.

[0009] Preferably, one end of the baffle bar close to the square shell is rotatably connected to a T-shaped round rod, the outer surface of the T-shaped round rod is fixedly connected to a round plate, and one side of the round plate close to the U-shaped frame contacts one end of the baffle bar.

[0010] Preferably, a spring is fixedly connected to a surface of the circular plate away from the baffle bar.

[0011] Preferably, one end of the spring away from the circular plate is fixedly connected to a press frame, the interior of the press frame is slidably connected to the outer surface of the T-shaped round rod, and the outer surface of the press frame is fixedly connected to a limit strip.

[0012] Beneficial effects:

[0013] Compared with the prior art, the punching and trimming die has the following beneficial effects:

[0014] 1. The utility model can quickly replace and install the lower mold by setting a limit mechanism, and also saves the time and physical strength of the staff, thereby improving the work efficiency and output. By utilizing the elastic force of the spring, the limit bar can be fixed and limited, and the blocking bar can also be fixed and limited. The lower mold can be blocked by the set blocking bar.

[0015] 2. The utility model starts the electric push rod, which synchronously drives the clamping plate and the protective pad to move in the direction of the workpiece entity, so that the workpiece entity can be clamped and fixed, ensuring that the workpiece entity will not shake or shift when the punching and trimming die is punching the workpiece entity, and is safer and more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection between the upper mold and the first slide bar of the utility model;

[0018] Figure 3 It is a schematic diagram of the connection between the lower mold and the second slide bar of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the limiting mechanism of the utility model.

[0020] In the figure: 1. table top; 2. supporting cabinet; 3. rubber pad; 4. pull-out box; 5. handle; 6. U-shaped frame; 7. limiting mechanism; 701. stop bar; 702. square shell; 703. limiting groove; 704. T-shaped round rod; 705. round plate; 706. spring; 707. press frame; 708. limiting bar; 8. workpiece entity; 9. vertical plate; 10. electric push rod; 11. clamping plate; 12. protective pad; 13. right-angle vertical frame; 14. hydraulic push rod; 15. square plate; 16. upper mold; 17. punch; 18. first slide bar; 19. lower mold; 20. second slide bar. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] like Figure 1 to Figure 4As shown, a punching and trimming die comprises a table top 1, the bottom surface of the table top 1 is fixedly connected to a supporting cabinet 2, the bottom surface of the supporting cabinet 2 is fixedly connected to a rubber pad 3, the interior of the supporting cabinet 2 is slidably connected to a pull-out box 4, the front of the pull-out box 4 is fixedly connected to a handle 5, the upper surface of the table top 1 is fixedly connected to a U-shaped frame 6, a limiting mechanism 7 is arranged above the table top 1, the inner wall of the U-shaped frame 6 is slidably connected to a lower die 19, the left side of the lower die 19 is fixedly connected to a second slide bar 20, the outer surface of the second slide bar 20 is slidably connected to the inner wall of the U-shaped frame 6, the upper surface of the lower die 19 is in contact with a workpiece entity 8, the upper surface of the table top 1 is fixedly connected to a vertical plate 9, the vertical plate 9 An electric push rod 10 is fixedly connected inside, and a clamping plate 11 is fixedly connected to the end of the electric push rod 10 close to the workpiece entity 8, and a protective pad 12 is fixedly connected to the side of the clamping plate 11 away from the electric push rod 10. A right-angle stand 13 is fixedly connected to the upper surface of the table top 1, and a hydraulic push rod 14 is fixedly connected to the side of the right-angle stand 13 close to the workpiece entity 8, and a square plate 15 is fixedly connected to the end of the hydraulic push rod 14 away from the right-angle stand 13. The inner wall of the square plate 15 is slidably connected to an upper mold 16, and the left side of the upper mold 16 is fixedly connected to a first slide bar 18, and the outer surface of the first slide bar 18 is slidably connected to the inner wall of the square plate 15, and a punch 17 is installed on the bottom surface of the upper mold 16.

[0023] The limiting mechanism 7 includes a stopper 701 and a square shell 702. The stopper 701 is slidably connected to the inside of the U-shaped frame 6. The stopper 701 contacts the outer surface of the lower mold 19, and the stopper 701 contacts one end of the second slide bar 20. The square shell 702 is fixedly connected to the outer surface of the U-shaped frame 6, and a limiting groove 703 is provided inside the square shell 702. The end of the stopper 701 close to the square shell 702 is rotatably connected to a T-shaped round rod 704, and the outer surface of the T-shaped round rod 704 is fixedly connected to a circular plate 705, and the side of the circular plate 705 close to the U-shaped frame 6 contacts one end of the stopper 701. The side of the circular plate 705 away from the stopper 701 is fixedly connected to a spring 706.

[0024] There are two supporting cabinets 2, both of which are arranged below the table board 1 in a symmetrical state. Two pull-out boxes 4 and two handles 5 are arranged inside each supporting cabinet 2. Two vertical plates 9, electric push rods 10, clamping plates 11, and protective pads 12 are arranged, both of which are arranged above the table board 1 in a symmetrical state. There are two first slide bars 18, one first slide bar 18 is arranged on the left side of the upper mold 16, and one first slide bar 18 is arranged on the right side of the upper mold 16. There are two second slide bars 20, one second slide bar 20 is arranged on the left side of the lower mold 19, and one second slide bar 20 is arranged on the right side of the lower mold 19. There are two limit mechanisms 7, one on the outer surface of the U-shaped frame 6, and one on the outer surface of the square plate 15. The end of the spring 706 away from the circular plate 705 is fixedly connected to a press frame 707, and the interior of the press frame 707 is slidably connected to the outer surface of the T-shaped round rod 704. The outer surface of the press frame 707 is fixedly connected to a limit bar 708.

[0025] By starting the electric push rod 10 , the electric push rod 10 synchronously drives the clamping plate 11 and the protective pad 12 to move toward the workpiece entity 8 , so that the workpiece entity 8 can be clamped and fixed.

[0026] By starting the hydraulic push rod 14 , the hydraulic push rod 14 synchronously drives the square plate 15 , the upper die 16 , and the punch 17 to move downward, so that the workpiece entity 8 can be punched.

[0027] Working principle: When the punching and trimming die needs to install the lower die 19, first push the lower die 19 into the slide groove opened inside the U-shaped frame 6, then hold the press frame 707, insert the blocking bar 701 into the inside of the U-shaped frame 6, so that the blocking bar 701 blocks the lower die 19, and then rotate the press frame 707, the press frame 707 synchronously drives the limit bar 708, the spring 706, the circular plate 705, and the T-shaped round rod 704 to rotate ninety degrees, and then press the press frame 707 in the direction of the U-shaped frame 6, the press frame 707 synchronously drives the limit bar 708 to move in the direction of the U-shaped frame 6, and then During this process, the spring 706 will shrink under the pressure, and the limit bar 708 will move to be parallel to the position of the limit groove 703, and then the button frame 707 will be rotated to make the limit bar 708 enter the limit groove 703. Then the hand is released, and the limit bar 708 is fixed by using the elastic force of the spring 706, and the baffle bar 701 is also fixed, so that the punching and trimming mold can quickly replace and install the lower mold 19, and it also saves the time and physical strength of the staff, thereby improving the work efficiency and output. When the punching and trimming mold needs to disassemble the lower mold 19, the same operation is performed.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A punching and trimming die, comprising a table top (1), characterized in that: The bottom surface of the table top (1) is fixedly connected to a supporting cabinet (2), the bottom surface of the supporting cabinet (2) is fixedly connected to a rubber pad (3), the interior of the supporting cabinet (2) is slidably connected to a pull-out box (4), the front of the pull-out box (4) is fixedly connected to a handle (5), the upper surface of the table top (1) is fixedly connected to a U-shaped frame (6), a limiting mechanism (7) is provided above the table top (1), the inner wall of the U-shaped frame (6) is slidably connected to a lower mold (19), the left side of the lower mold (19) is fixedly connected to a second slide bar (20), the outer surface of the second slide bar (20) is aligned with the U-shaped frame (6) The upper surface of the lower mold (19) is connected to a workpiece entity (8), the upper surface of the table top (1) is fixedly connected to a vertical plate (9), the interior of the vertical plate (9) is fixedly connected to an electric push rod (10), the end of the electric push rod (10) close to the workpiece entity (8) is fixedly connected to a clamping plate (11), the side of the clamping plate (11) away from the electric push rod (10) is fixedly connected to a protective pad (12), the upper surface of the table top (1) is fixedly connected to a right-angle stand (13), and the side of the right-angle stand (13) close to the workpiece entity (8) is fixedly connected to a hydraulic push rod (14).

2. A punching and trimming die according to claim 1, characterized in that: The limiting mechanism (7) comprises a stop bar (701) and a square shell (702); the stop bar (701) is slidably connected to the inside of the U-shaped frame (6); the stop bar (701) contacts the outer surface of the lower mold (19); and the stop bar (701) contacts one end of the second slide bar (20).

3. A punching and trimming die according to claim 2, characterized in that: The square shell (702) is fixedly connected to the outer surface of the U-shaped frame (6), and a limiting groove (703) is provided inside the square shell (702).

4. The punching and trimming die according to claim 2, characterized in that: One end of the baffle (701) close to the square shell (702) is rotatably connected to a T-shaped round rod (704), and the outer surface of the T-shaped round rod (704) is fixedly connected to a circular plate (705), and a surface of the circular plate (705) close to the U-shaped frame (6) contacts one end of the baffle (701).

5. The punching and trimming die according to claim 4, characterized in that: A spring (706) is fixedly connected to a surface of the circular plate (705) away from the blocking bar (701).

6. The punching and trimming die according to claim 5, characterized in that: One end of the spring (706) away from the circular plate (705) is fixedly connected to a push frame (707), the interior of the push frame (707) is slidably connected to the outer surface of the T-shaped round rod (704), and the outer surface of the push frame (707) is fixedly connected to a limit strip (708).

7. The punching and trimming die according to claim 1, characterized in that: One end of the hydraulic push rod (14) away from the right-angle stand (13) is fixedly connected to a square plate (15), and the inner wall of the square plate (15) is slidably connected to an upper mold (16).

8. The punching and trimming die according to claim 7, characterized in that: A first slide bar (18) is fixedly connected to the left side of the upper mold (16), and the outer surface of the first slide bar (18) is slidably connected to the inner wall of the square plate (15). A punch (17) is installed on the bottom surface of the upper mold (16).

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