Sheet metal part punch forming device

Abstract

The utility model belongs to the technical field of punch forming, and particularly relates to a sheet metal part punch forming device which comprises a workbench, a mounting frame is fixedly connected to the top of the workbench, an air cylinder is fixedly connected to the top of the mounting frame, a top plate is fixedly connected to the output end of the air cylinder, an upper die is fixedly connected to the bottom of the top plate, and an ejection mechanism is arranged in the upper die. The first gear, the second gear and the reciprocating screw rod are matched; in order to solve the problem that a stamping part is attached to an upper die and is directly brought out by the upper die, so that the stamping part is inconvenient to directly take down, a motor is started, the motor drives a second gear to rotate through an output shaft, the second gear drives a first gear to rotate, the first gear drives a reciprocating screw rod to rotate, and the reciprocating screw rod drives a lifting plate to move downwards; the push rod is driven by the lifting plate to move downwards, the metal plate stamping part attached to the upper die is pushed to fall off through the push rod, and therefore the function of rapidly taking down the stamping part is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the stamping forming technical field, specifically a sheet metal stamping forming device. BACKGROUND

[0002] Sheet metal is a kind of comprehensive cold working process for metal sheet, including shearing, punching, cutting, folding, welding, riveting, splicing, etc., and its remarkable feature is that the thickness of the same part is consistent, and the product processed by sheet metal process is called sheet metal part;Stamping is to exert external force on materials through press and die, so that plastic deformation or separation occurs, thereby obtaining the workpiece of required shape and size.

[0003] A kind of positioning stable's automobile sheet metal stamping forming die and its stamping process are disclosed in one Chinese patent with publication number CN112475041A, automobile sheet metal stamping forming die includes support frame and the die, positioning device, stamping device installed on support frame, the die includes the upper die and lower die that are adapted, the stamping device is connected with mounting plate and drives mounting plate to move up and down, the upper die is installed on mounting plate, the lower die is provided with the placement slot for placing sheet metal part, the positioning device includes first positioning assembly, second positioning assembly;Die, positioning device, stamping device are installed through support frame, die is driven by stamping device to stamp forming on sheet metal part, sheet metal part is positioned by positioning device, prevent sheet metal part from deviating in stamping process, ensure stamping effect, reduce the rate of defective products.

[0004] In the above-mentioned technology, the upper die stamps the stamped part in the lower die during stamping, and the stamped part is easy to adhere to the upper die or the lower die, when the stamped part adheres to the upper die and is directly taken out by the upper die, it is not convenient to directly take down the stamped part, thereby affecting the efficiency of stamping forming.

[0005] Therefore, a kind of sheet metal stamping forming device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0006] In order to make up for the deficiencies of the prior art, solve the problem that the stamped part adheres to the upper die and is directly taken out by the upper die, a kind of sheet metal stamping forming device is proposed.

[0007] The utility model discloses a technical scheme that solves its technical problem is adopted: a kind of sheet metal stamping forming device described in the utility model, including workbench, the top of the workbench is fixedly connected with mounting bracket, the top of the mounting bracket is fixedly connected with cylinder, the output end of the cylinder is fixedly connected with top plate, the bottom of the top plate is fixedly connected with upper die, the upper die is equipped with ejection mechanism in;The ejection mechanism includes reciprocating screw rod that is rotatably connected in upper die by bearing, the top of the reciprocating screw rod is fixedly connected with first gear;The inner side wall of the upper die is fixedly connected with connecting plate, the top of the connecting plate is fixedly connected with motor, the output shaft of the motor is fixedly connected with second gear, and the second gear is engaged with first gear;The outer side wall of the reciprocating screw rod is threadedly connected with lifting plate, the bottom of the lifting plate is fixedly connected with four push rods, and the push rod is slid in the bottom of upper die.

[0008] Preferably, the outer side wall of the upper die is slidably connected with a pressing plate, and the top of the pressing plate is fixedly connected with four slide columns at the corners.

[0009] Preferably, the middle of the workbench is fixedly connected with a lower die, and the lower die is matched with the upper die. The bottom of the workbench is fixedly connected with a movable box, and the movable box is arranged outside the lower die. A side plate is fixedly connected in the movable box, an electric push rod is fixedly connected to the side plate, and the output end of the electric push rod is fixedly connected with a push plate. Limiting columns are fixedly connected to the two side walls of the push plate. A lifting frame is arranged above the push plate, limiting openings are formed in the two side walls of the lifting frame, and the limiting columns are slidably arranged in the limiting openings. Four jacks are fixedly connected to the top of the lifting frame, and the jacks penetrate through the lower die. Second springs are sleeved on the outer sides of the jacks, and the two ends of the second springs are respectively fixedly connected to the lifting frame and the lower die.

[0010] Preferably, the bottom of the movable box is fixedly connected with a fixed plate, two cross rods are fixedly connected between the fixed plate and the side plate, and the push plate slides on the two cross rods.

[0011] Preferably, the top of the workbench is fixedly connected with four support columns, the side plate is slidably connected to the four support columns, and the support columns are respectively arranged at the four corners of the top plate.

[0012] Preferably, a placing groove is formed in the top of the workbench, and the placing groove is matched with the sheet metal part.

[0013] The utility model has the beneficial effects that:

[0014] The utility model provides a sheet metal stamping forming device, through the cooperation of first gear, second gear and reciprocating screw rod, to solve the problem that the stamping part is directly taken off inconveniently with the upper die adhering being directly taken out by the upper die, through the opening motor, the motor drives the second gear to rotate through the output shaft, drives the first gear to rotate through the second gear, drives the reciprocating screw rod to rotate through the first gear, drives the lifting plate to move downward through the reciprocating screw rod, drives the push rod to move downward through the lifting plate, pushes the sheet metal stamping part adhering on the upper die to fall off through the push rod, thereby realizes the function of taking down the stamping part fast.

[0015] The utility model provides a sheet metal stamping forming device, through the cooperation of limiting post and lifting frame, the sheet metal part is also easy to be stuck in the lower mould when stamping, and it is inconvenient to take out directly, needs to open electric push rod, drives the push plate to move through the output end of electric push rod, drives the limiting post to move through the push plate, the limiting post slides in the limiting groove, and the lifting frame is lifted up through the limiting groove, the lifting frame lifts up the jacking rod, and the jacking rod passes through the lower mould and ejects the sheet metal stamping part, and it is convenient to take out the sheet metal stamping part fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the present application, and the illustrative embodiment and the description of the utility model are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0017] Figure 1 It is the perspective view of the utility model,

[0018] Figure 2 It is the sectional view of the utility model,

[0019] Figure 3 It is the perspective view of the upper die and the pressing plate in the utility model,

[0020] Figure 4 It is the perspective view of the push rod in the utility model,

[0021] Figure 5 It is the perspective view of the placing groove in the utility model,

[0022] Figure 6 It is the perspective view of the lifting frame in the utility model,

[0023] LEGEND:

[0024] 1, workbench; 2, mounting frame; 3, air cylinder; 4, top plate; 5, support column; 6, slide column; 7, first spring; 8, upper die; 9, pressing plate; 10, push rod; 11, lifting plate; 12, reciprocating screw rod; 13, first gear; 14, second gear; 15, motor; 16, connecting plate; 17, lower die; 18, placing groove; 19, movable box; 20, lifting frame; 21, electric push rod; 22, ejector pin; 23, second spring; 24, limiting column; 25, push plate; 26, fixed plate; 27, cross bar; 28, side plate; 29, limiting port. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The specific embodiments are given below.

[0027] Please refer to Figures 1-6 The utility model provides a sheet metal part stamping forming device, including workbench 1, the top of workbench 1 is fixedly connected with mounting frame 2, the top of mounting frame 2 is fixedly connected with air cylinder 3, the output end of air cylinder 3 is fixedly connected with top plate 4, the bottom of top plate 4 is fixedly connected with upper die 8, the inside of upper die 8 is equipped with ejection mechanism, the ejection mechanism includes reciprocating screw rod 12 that is rotatably connected in upper die 8 through bearing, the top of reciprocating screw rod 12 is fixedly connected with first gear 13, the inside wall of upper die 8 is fixedly connected with connecting plate 16, the top of connecting plate 16 is fixedly connected with motor 15, the output shaft of motor 15 is fixedly connected with second gear 14, second gear 14 is engaged with first gear 13, the outer wall of reciprocating screw rod 12 is threadedly connected with lifting plate 11, the bottom of lifting plate 11 is fixedly connected with four push rods 10, push rod 10 all slides in the bottom of upper die 8.

[0028] When working, the sheet metal part is placed in the placing groove 18, the cylinder 3 is started, the cylinder 3 drives the top plate 4 and the upper die 8 to move downward through the output end, the upper die 8 moves downward and presses the sheet metal part downward in the lower die 17, then the cylinder 3 retracts the top plate 4 and the upper die 8 upward, in order to solve the problem that the stamping part is directly taken out together with the upper die 8, the motor 15 is started, the motor 15 drives the second gear 14 to rotate through the output shaft, the first gear 13 is driven to rotate through the second gear 14, the reciprocating lead screw 12 is driven to rotate through the first gear 13, the lifting plate 11 is driven to move downward through the reciprocating lead screw 12, the push rod 10 is driven to move downward through the lifting plate 11, the sheet metal part adhered to the upper die 8 is pushed and falls off through the push rod 10, so that the function of quickly taking down the stamping part is realized.

[0029] Further, as shown in Figure 2 and Figure 3 , the outer side wall of the upper die 8 is slidably connected with the pressing plate 9, the four corners of the top of the pressing plate 9 are fixedly connected with the slide column 6; the outer side of the slide column 6 is sleeved with the first spring 7, the two ends of the first spring 7 are fixedly connected between the pressing plate 9 and the lifting plate 11; the slide column 6 is slidably connected on the top plate 4.

[0030] When working, the upper die 8 moves downward during stamping, the pressing plate 9 moves upward, the first spring 7 is compressed, the slide column 6 slides on the top plate 4, the slide column 6 limits the pressing plate 9 in the vertical direction, the pressing plate 9 is always adhered to the sheet metal part, preventing the edge of the sheet metal part from being raised.

[0031] Further, as shown in Figure 2 and Figure 6 , the middle part of the workbench 1 is fixedly connected with the lower die 17, the lower die 17 cooperates with the upper die 8; the bottom of the workbench 1 is fixedly connected with the movable box 19, the movable box 19 is arranged outside the lower die 17; the movable box 19 is fixedly connected with the side plate 28, the side plate 28 is fixedly connected with the electric push rod 2110, the output end of the electric push rod 2110 is fixedly connected with the push plate 25; the two side walls of the push plate 25 are fixedly connected with the limiting column 24; the upper side of the push plate 25 is provided with the lifting frame 20, the two side walls of the lifting frame 20 are provided with the limiting opening 29, the limiting column 24 slides in the limiting opening 29; the top of the lifting frame 20 is fixedly connected with four top rods 22, the top rods 22 penetrate through the lower die 17; the outer side of the top rod 22 is sleeved with the second spring 23, the two ends of the second spring 23 are fixedly connected on the lifting frame 20 and the lower die 17.

[0032] When working, the sheet metal part is also easy to be clamped in the lower die 17 during stamping, and it is inconvenient to take out directly, and the electric push rod 2110 needs to be opened, the push plate 25 is driven to move through the output end of the electric push rod 2110, the limiting column 24 is driven to move through the push plate 25, the limiting column 24 slides in the limiting groove, and the lifting frame 20 is lifted up through the limiting groove, the jack 22 is lifted up through the lifting frame 20, the jack 22 penetrates the lower die 17 to push out the sheet metal stamping part, and the sheet metal stamping part is convenient to take out quickly.

[0033] Further, as shown in Figure 6 The bottom of the movable box 19 is fixedly connected with a fixed plate 26, two cross bars 27 are fixedly connected between the fixed plate 26 and the side plate 28, and the push plate 25 slides on the two cross bars 27.

[0034] When working, the push plate 25 slides on the cross bar 27 during movement, and the cross bar 27 limits the push plate 25 in the horizontal direction.

[0035] Further, as shown in Figure 1 The top of the workbench 1 is fixedly connected with four support columns 5, the side plate 28 is slidingly connected on the four support columns 5, and the support columns 5 are respectively arranged at four corners of the top plate 4.

[0036] When working, the cylinder 3 drives the top plate 4 to move through the output end, the top plate 4 slides on the support column 5, and the support column 5 ensures the stability of the top plate 4, so that the top plate 4 stably descends.

[0037] Further, as shown in Figure 5 The top of the workbench 1 is provided with a placing groove 18, and the placing groove 18 is matched with the sheet metal part.

[0038] When working, the sheet metal part is placed in the placing groove 18, and the sheet metal part is limited by the placing groove 18 to prevent sliding during stamping, deviation caused by deviation, and safety hazards.

[0039] Working principle: the sheet metal parts are placed in the placing groove 18, the cylinder 3 is opened, the cylinder 3 drives the top plate 4 and the upper die 8 to move downward through the output end, the sheet metal parts are pressed in the lower die 17 downward in the process of the upper die 8 moving downward, then the cylinder 3 retracts the top plate 4 and the upper die 8 upward, in order to solve the problem that the stamping part is directly taken off with the upper die 8, the motor 15 is opened, the motor 15 drives the second gear 14 to rotate through the output shaft, the first gear 13 is driven to rotate through the second gear 14, the reciprocating screw rod 12 is driven to rotate through the first gear 13, the lifting plate 11 is driven to move downward through the reciprocating screw rod 12, the push rod 10 is driven to move downward through the lifting plate 11, the sheet metal stamping part adhered to the upper die 8 is pushed and falls off through the push rod 10, so that the function of quickly taking off the stamping part is realized; the sheet metal parts are also easy to be clamped in the lower die 17 when stamping, and are not convenient to take out directly, the electric push rod 2110 needs to be opened, the push plate 25 is driven to move through the output end of the electric push rod 2110, the limiting column 24 is driven to move through the push plate 25, the limiting column 24 slides in the limiting groove, and the lifting frame 20 is lifted upward through the limiting groove, the jacking rod 22 is lifted upward through the lifting frame 20, the sheet metal stamping part is jacked out through the jacking rod 22 penetrating the lower die 17, and the sheet metal stamping part is conveniently taken out quickly.

[0040] The basic principle, main characteristics and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A sheet metal stamping forming apparatus, comprising a worktable (1), a mounting frame (2) fixedly connected to the top of the worktable (1), a cylinder (3) fixedly connected to the top of the mounting frame (2), a top plate (4) fixedly connected to the output end of the cylinder (3), an upper die (8) fixedly connected to the bottom of the top plate (4), and an ejection mechanism provided inside the upper die (8); characterized in that: The ejection mechanism includes a reciprocating screw rod (12) rotatably connected in the upper die (8) through a bearing, the top of the reciprocating screw rod (12) is fixedly connected with a first gear (13); the inner side wall of the upper die (8) is fixedly connected with a connecting plate (16), the top of the connecting plate (16) is fixedly connected with a motor (15), the output shaft of the motor (15) is fixedly connected with a second gear (14), the second gear (14) is engaged with the first gear (13); the outer side wall of the reciprocating screw rod (12) is threadedly connected with a lifting plate (11), the bottom of the lifting plate (11) is fixedly connected with four push rods (10), and the push rods (10) all slide on the bottom of the upper die (8).

2. The sheet metal part press forming apparatus according to claim 1, characterized in that: The outer side wall of the upper die (8) is slidably connected with a pressing plate (9), the top of the pressing plate (9) is fixedly connected with four slide columns (6) at four corners; the outer side of the slide column (6) is sleeved with a first spring (7), and the two ends of the first spring (7) are fixedly connected between the pressing plate (9) and the lifting plate (11); the slide column (6) is slidably connected on the top plate (4).

3. The sheet metal part press forming apparatus according to claim 2, characterized in that: The middle of the workbench (1) is fixedly connected with a lower die (17), and the lower die (17) cooperates with the upper die (8); the bottom of the workbench (1) is fixedly connected with a movable box (19), and the movable box (19) is arranged on the outer side of the lower die (17); the movable box (19) is fixedly connected with a side plate (28), the side plate (28) is fixedly connected with an electric push rod (21) (10), the output end of the electric push rod (21) (10) is fixedly connected with a push plate (25); the two side walls of the push plate (25) are fixedly connected with a limiting column (24); the top of the push plate (25) is provided with a lifting frame (20), the two side walls of the lifting frame (20) are provided with a limiting opening (29), and the limiting column (24) slides in the limiting opening (29); the top of the lifting frame (20) is fixedly connected with four jacks (22), and the jacks (22) all penetrate through the lower die (17); the outer side of the jack (22) is sleeved with a second spring (23), and the two ends of the second spring (23) are fixedly connected on the lifting frame (20) and the lower die (17).

4. The sheet metal part press forming apparatus according to claim 3, characterized in that: The bottom of the movable box (19) is fixedly connected with a fixed plate (26), two cross rods (27) are fixedly connected between the fixed plate (26) and the side plate (28), and the push plate (25) slides on the two cross rods (27).

5. The device according to claim 4, wherein: The top of the workbench (1) is fixedly connected with four support columns (5), and the side plate (28) is slidably connected on the four support columns (5); the support columns (5) are respectively arranged at the four corners of the top plate (4).

6. The device according to claim 5, wherein: The top of the workbench (1) is provided with a placing groove (18), and the placing groove (18) is matched with the sheet metal part. The top of the workbench (1) is provided with a placing groove (18), and the placing groove (18) is matched with the sheet metal part.

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