Punch forming device for sheet metal machining

Abstract

The utility model provides a punch forming device for sheet metal working, which comprises a base, a guide rod connected to the upper end of the base, a spring sleeved on the guide rod, a top seat connected to the upper end of the guide rod, a hydraulic cylinder I mounted at the upper end of the top seat, a lifting rod connected to the output end of the hydraulic cylinder I, and a lifting plate connected to the other end of the lifting rod, the upper end of the base is provided with a lower die base through a first pressing plate, the upper end of the lower die base is connected with a lower die, the lower end of the lifting plate is provided with an upper die base through a second pressing plate, the lower end of the upper die base is connected with an upper die, the upper die is matched with the lower die, a second hydraulic cylinder is arranged in the base, and the output end of the second hydraulic cylinder is connected with a discharging rod. According to the punch forming device for sheet metal machining, the effects that various dies with different sizes can be replaced conveniently, and discharging is facilitated can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sheet metal processing technical field more specifically, relate to a stamping forming device for sheet metal processing. BACKGROUND

[0002] Sheet metal is a kind of metal sheet, and when the automobile sheet metal part is processed, the die installed on the press is generally used to apply pressure to the sheet metal part, so that separation or plastic deformation is generated, so that the sheet metal part of required shape and size is obtained, and in the prior art, the sheet metal is processed and stamped in the stamping lower die cavity by the stamping upper die, but when using, sometimes different shapes of automobile sheet metal need to be made, at this time, the upper and lower dies need to be replaced, and the prior art is not convenient for quick replacement of the upper and lower dies, thereby affecting the efficiency of production line.

[0003] For the above problems, for the technical problem that the prior art is not convenient for quick replacement of the upper and lower dies, thereby affecting the production efficiency, after a large amount of retrieval, a stamping forming device for automobile sheet metal processing with patent announcement number CN220717507U is found, including support, the top of the support is provided with driving cylinder, the output end of the driving cylinder penetrates into the inside of the support and is fixedly connected with connecting plate, the bottom of the connecting plate is detachably connected with upper die, the inside of the support is provided with lower die, the lower die is detachably connected with the support, and the upper die is matched with the lower die;The utility model, by being provided with the matching of the pin and the slot, the installation between the connecting plate and the upper die is completed, and the connecting plate and the upper die can be quickly installed and fixed under the action of telescopic rod and reset spring, the inclined surface provided with the pin can be in contact with the upper die to realize quick installation, but the technical scheme provided by the patent has the following problems:

[0004] (1) the size of the connecting plate of the existing device is fixed, and the replaceable die range is small;

[0005] (2) after the existing sheet metal part is stamped, the stamped sheet metal part is not convenient to take out from the lower die seat, and the discharging is not convenient, which affects the use.

[0006] The utility model can play the role of conveniently replacing various different sizes of dies and conveniently discharging. UTILITY MODEL CONTENTS

[0007] The utility model aims at solving the technical problems in the above background art, and provides a stamping forming device for sheet metal processing.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: A punch forming device for sheet metal machining, it is personally experienced sth and include: base, the upper end of base is connected with guide rod, the spring is sleeved on the guide rod, the upper end of guide rod is connected with top hat, hydraulic cylinder no.

[0009] Further preferred scheme: The number of guide rods is 4, the four guide rods are arranged at the four corners of the base respectively, and the original length of the spring is less than the height of the guide rod.

[0010] Further preferred scheme: The lifting plate is slidingly installed on the guide rod, the lower end of the lifting plate is connected with the other end of the spring, and the number of lifting rods is 2.

[0011] Further preferred scheme: T-shaped through grooves are formed in the upper end of the base and the lower end of the lifting plate, the number of T-shaped through grooves is 12, screws are slidingly installed in the T-shaped through grooves, the number of screws is 8, the pressing plate one is threadedly connected with the screws in the base, the pressing plate two is threadedly connected with the screws arranged in the lifting plate, and nuts are threadedly connected with the screws away from the T-shaped through grooves at the ends of the pressing plate one and the pressing plate two.

[0012] Further preferred scheme: Two screw holes with different sizes are formed in the pressing plate two, support screws are connected in the screw hole with smaller size of the pressing plate two, and the upper end of the support screw abuts against the lifting plate.

[0013] Further preferred scheme: Support blocks are arranged at the bottom of the end of the pressing plate one away from the lower die holder, and the height of the support block is equal to the thickness of the lower die holder.

[0014] Further preferred scheme: A through hole is formed in the center of the lower die holder, the diameter of the through hole is greater than the diameter of the discharging rod, the highest part of the discharging rod is higher than the bottom end of the lower die when the discharging rod is elongated, and the discharging rod is lower than the top end of the lower die holder when the discharging rod is shortened.

[0015] Beneficial effects:

[0016] 1. Through the setting has T type through groove, screw, pressing plate 1, pressing plate 2, support screw and support block, through starting hydraulic cylinder 1 drive lifting rod elongation drives lifting plate, upper die holder and upper die downward movement to the upper die and lower die engagement, subsequently loosen the nut on pressing plate 1 and pressing plate 2, again support screw is screwed to with lifting plate separation, again loosen pressing plate 1 and pressing plate 2 to with lower die holder and upper die holder separation, take away support block, again screw is taken down along T type through groove, again starting hydraulic cylinder 1 drive lifting rod shortening drives lifting plate upward movement, subsequently take down mould, again according to the opposite step of disassembling mould replacement new mould, can play the role of facilitating the replacement of various different size moulds;

[0017] 2. Through the setting has hydraulic cylinder 2, unloading rod, after stamping, starting hydraulic cylinder 2 drive unloading rod elongation to be upwards to the finished product sheet metal piece and eject, facilitate the discharge;

[0018] 3. As described above, the sheet metal processing stamping forming device, through the setting has T type through groove, screw, pressing plate 1, pressing plate 2, support screw, support block, hydraulic cylinder 2 and unloading rod etc., played the role of facilitating the replacement of various different size moulds and facilitating the discharge. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the overall structure schematic view of the utility model.

[0020] Fig. 2 It is the local three-dimensional structure schematic view of the utility model.

[0021] Fig. 3 It is the three-dimensional structure schematic view of the pressing plate 2 of the utility model.

[0022] Figs. 1-3 Middle: 1, base; 2, guide rod; 3, spring; 4, top seat; 5, hydraulic cylinder 1; 6, lifting rod; 7, lifting plate; 8, lower die holder; 9, lower die; 10, upper die holder; 11, upper die; 12, screw; 13, pressing plate 1; 14, nut; 15, support block; 16, pressing plate 2; 17, support screw; 18, hydraulic cylinder 2; 19, unloading rod. DETAILED DESCRIPTION

[0023] The utility model embodiments will be described below with accompanying drawings. Figs. 1-3 The technical solutions in the utility model embodiments are clearly and completely described.

[0024] Please refer to Figs. 1-3The utility model discloses a stamping forming device for sheet metal machining, and the stamping forming device comprises a base 1, the upper end of the base 1 is connected with a guide rod 2, the guide rod 2 is sleeved with a spring 3, the upper end of the guide rod 2 is connected with a top seat 4, the upper end of the top seat 4 is installed with a hydraulic cylinder one 5, the output end of the hydraulic cylinder one 5 is connected with a lifting rod 6, the other end of the lifting rod 6 is connected with a lifting plate 7, the upper end of the base 1 is installed with a lower die seat 8 through a pressing plate one 13, the upper end of the lower die seat 8 is connected with a lower die 9, the lower end of the lifting plate 7 is installed with an upper die seat 10 through a pressing plate two 16, the lower end of the upper die seat 10 is connected with an upper die 11, the upper die 11 and the lower die 9 are matched with each other, the base 1 is provided with a hydraulic cylinder two 18, and the output end of the hydraulic cylinder two 18 is connected with a discharging rod 19.

[0025] In the utility model embodiment, the number of the guide rods 2 is four, the four guide rods 2 are arranged at the four corners of the base 1 respectively, the original length of the spring 3 is less than the height of the guide rod 2, the lifting plate 7 is slidingly installed on the guide rod 2, the lower end of the lifting plate 7 is connected with the other end of the spring 3, and the number of the lifting rods 6 is two.

[0026] In the utility model embodiment, the upper end of the base 1 and the lower end of the lifting plate 7 are provided with T-shaped through grooves, the number of the T-shaped through grooves is twelve, the T-shaped through grooves are slidingly installed with screws 12, the number of the screws 12 is eight, the pressing plate one 13 is threadedly connected with the screws 12 in the base 1, the pressing plate two 16 is threadedly connected with the screws 12 arranged in the lifting plate 7, one end of the pressing plate one 13 and the pressing plate two 16 away from the T-shaped through grooves is threadedly connected with the nuts 14 and the screws 12, two thread holes of different sizes are formed in the pressing plate two 16, the smaller thread hole of the pressing plate two 16 is connected with a supporting screw 17, the upper end of the supporting screw 17 abuts against the lifting plate 7, the end of the pressing plate one 13 away from the lower die seat 8 is provided with a supporting block 15, the height of the supporting block 15 is equal to the thickness of the lower die seat 8, when the mold needs to be replaced, the hydraulic cylinder one 5 is started to drive the lifting rod 6 to elongate and drive the lifting plate 7, the upper die seat 10 and the upper die 11 to move downwards to the state that the upper die 11 is clamped with the lower die 9, then the nuts 14 on the pressing plate one 13 and the pressing plate two 16 are loosened, the supporting screw 17 is loosened to be separated from the lifting plate 7, the pressing plate one 13 and the pressing plate two 16 are loosened to be separated from the lower die seat 8 and the upper die seat 10, the supporting block 15 is removed, the screws 12 are removed along the T-shaped through grooves, the hydraulic cylinder one 5 is started to drive the lifting rod 6 to shorten and drive the lifting plate 7 to move upwards, then the mold is removed, and the steps of replacing the new mold and disassembling the mold are reversed.

[0027] The utility model discloses an embodiment, the central hole of lower die seat 8 is seted up, the diameter of through -hole is greater than the diameter of unloading stem 19, and the highest point of unloading stem 19 is higher than the bottom end of lower die 9 when elongating, and unloading stem 19 is shortened and is lower than the top end of lower die seat 8, after stamping, start hydraulic cylinder no.2 18 and drive unloading stem 19 elongation to thereby eject finished product sheet metal parts upwards, and it is convenient to discharge.

[0028] Working principle: when needing to replace the mould, start hydraulic cylinder no.1 5 and drive lifting rod 6 elongation to drive lifting plate 7, upper die seat 10 and upper die 11 to move downwards to the clamping of upper die 11 and lower die 9, then unscrew the nut 14 on pressing plate no.1 13 and pressing plate no.2 16, then screw the supporting screw 17 to separate from lifting plate 7, then unscrew pressing plate no.1 13 and pressing plate no.2 16 to separate from lower die seat 8 and upper die seat 10, take away the supporting block 15, then take down screw 12 along T type through -groove, then start hydraulic cylinder no.1 5 and drive lifting rod 6 to shorten to drive lifting plate 7 to move upwards, then take down the mould, then replace the new mould according to the opposite steps of disassembling the mould, then place the sheet metal parts on lower die 9, start hydraulic cylinder no.1 5 and drive lifting rod 6 elongation to drive lifting plate 7, upper die seat 10 and upper die 11 to move downwards to stamp the sheet metal parts, after stamping, start hydraulic cylinder no.1 5 and drive lifting rod 6 to shorten to drive lifting plate 7, upper die seat 10 and upper die 11 to move upwards to separate upper die 11 and lower die 9, finally start hydraulic cylinder no.2 18 and drive unloading stem 19 elongation to thereby eject finished product sheet metal parts upwards, complete discharging.

Claims

1. A press forming device for sheet metal working, comprising: The base (1) is characterized in that: the upper end of the base (1) is connected with a guide rod (2), the guide rod (2) is sleeved with a spring (3), the upper end of the guide rod (2) is connected with a top seat (4), the upper end of the top seat (4) is installed with a hydraulic cylinder I (5), the output end of the hydraulic cylinder I (5) is connected with a lifting rod (6), the other end of the lifting rod (6) is connected with a lifting plate (7), the upper end of the base (1) is installed with a lower die seat (8) through a pressing plate I (13), the upper end of the lower die seat (8) is connected with a lower die (9), the lower end of the lifting plate (7) is installed with an upper die seat (10) through a pressing plate II (16), the lower end of the upper die seat (10) is connected with an upper die (11), the upper die (11) and the lower die (9) are matched with each other, the base (1) is provided with a hydraulic cylinder II (18), and the output end of the hydraulic cylinder II (18) is connected with an unloading rod (19).

2. The press forming device for sheet metal working according to claim 1, characterized in that: The number of the guide rod (2) is 4, and the four guide rods (2) are arranged at the four corners of the base (1), and the original length of the spring (3) is less than the height of the guide rod (2).

3. The press forming device for sheet metal working according to claim 1, characterized in that: The lifting plate (7) is slidingly installed on the guide rod (2), the lower end of the lifting plate (7) is connected with the other end of the spring (3), and the number of the lifting rod (6) is 2.

4. The press forming device for sheet metal working according to claim 1, characterized in that: The upper end of the base (1) and the lower end of the lifting plate (7) are provided with T-shaped through grooves, the number of the T-shaped through grooves is 12, the T-shaped through grooves are slidingly installed with screws (12), the number of the screws (12) is 8, the pressing plate I (13) is threadedly connected with the screws (12) in the base (1), the pressing plate II (16) is threadedly connected with the screws (12) arranged in the lifting plate (7), and the ends, away from the T-shaped through grooves, of the pressing plate I (13) and the pressing plate II (16) are threadedly connected with nuts (14) and screws (12).

5. The press forming device for sheet metal working according to claim 4, characterized in that: Two screw holes with different sizes are formed in the pressing plate II (16), a supporting screw (17) is connected in the screw hole with smaller size of the pressing plate II (16), and the upper end of the supporting screw (17) abuts against the lifting plate (7).

6. The press forming device for sheet metal working according to claim 4, characterized in that: The end, away from the lower die seat (8), of the pressing plate I (13) is provided with a supporting block (15) at the bottom, and the height of the supporting block (15) is equal to the thickness of the lower die seat (8).

7. The press forming device for sheet metal working according to claim 1, characterized in that: A through hole is formed in the center of the lower die seat (8), the diameter of the through hole is greater than the diameter of the unloading rod (19), the highest position of the unloading rod (19) is higher than the bottom end of the lower die (9) when the unloading rod (19) is elongated, and the unloading rod (19) is lower than the top end of the lower die seat (8) when the unloading rod (19) is shortened.

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