Punch forming die for flange plate

Abstract

The utility model discloses a punch forming die for a flange plate. The punch forming die comprises a base, a pressing seat, a state switching mechanism, a supporting base plate and a punching unit. The pressing seat is elastically mounted on the base through the elastic supporting unit; the state switching mechanism is installed on the front side edge of the base, the supporting base plate and the punching unit are both installed on the state switching mechanism in an overhanging mode, and the state switching mechanism drives the supporting base plate and the punching unit to alternately move to the position above the pressing base to bear punching of the pressing machine. According to the punch forming die, position switching of the supporting base plate and the punching unit can be achieved through the state switching mechanism, so that switching of the two working states of punch forming and punching is achieved, the two working states can be completed on one press in sequence, and the working efficiency is improved; and the elastic supporting unit can be used for bouncing the pressing seat after the press finishes the stroke, so that the strip-shaped steel plate can be transversely moved and fed conveniently.

Description

Technical Field

[0001] The utility model relates to a stamping forming die, in particular to a stamping forming die for a flange. Background Art

[0002] At present, when producing flanges, the first step is to drag the strip steel plate onto the flange die on the stamping machine for stamping and forming. The stamped flange is then transported to the next press for punching. During this process, manual transfer between different presses is required, which not only reduces production efficiency but also affects the processing accuracy of the flange. Therefore, it is necessary to design a stamping die for flanges that can realize the stamping and punching construction of flanges at one station, effectively improving production efficiency. Utility Model Content

[0003] The purpose of the utility model is to provide a stamping die for a flange, which can realize the stamping and punching construction of the flange at one work station, thereby effectively improving production efficiency.

[0004] Technical solution: The stamping forming die for flange plates described in the utility model includes a base, a pressing seat, a state switching mechanism, a support pad and a punching unit; the pressing seat is elastically installed on the base through an elastic support unit; a lower stamping die is embedded and installed in the middle of the upper side surface of the base, and an upper stamping die is installed in the middle of the lower side surface of the pressing seat; the state switching mechanism is installed on the front side of the base, and the support pad and the punching unit are both cantilevered on the state switching mechanism, and the state switching mechanism drives the support pad and the punching unit to move alternately to the top of the pressing seat to undertake the stamping of the press.

[0005] Furthermore, the state switching mechanism includes a connecting fixed seat, a rotating support column, a rebound support spring, a support sliding seat and two cantilever switching arms; the connecting fixed seat is fixedly installed on the middle of the front side of the base, and the lower end of the rotating support column is rotatably installed on the connecting fixed seat; a handle rod is vertically installed on the rotating support column; the support sliding seat is vertically slidably installed on the rotating support column, and a spring support ring is provided at the lower part of the rotating support column; the rebound support spring is sleeved on the rotating support column, and the rebound support spring is elastically supported between the support sliding seat and the spring support ring; one end of the two cantilever switching arms are fixed on the support sliding seat, and the two cantilever switching arms are perpendicular to each other; the support pad and the punching unit are respectively fixed on the cantilevered ends of the two cantilever switching arms.

[0006] Furthermore, the punching unit includes a pressing pad, each punching pressing column, each punching rebound compression spring and each punching movable column; the pressing pad is horizontally fixed on the cantilevered end of the cantilever switching arm, and the pressing pad has the same thickness as the supporting pad; each spring mounting hole is provided on the upper side surface of the pressing seat, and a punching guide hole is provided through the bottom of the spring mounting hole, and the punching guide holes respectively correspond to each impact hole position on the upper side stamping die; the punching movable column is vertically movably inserted in the punching guide hole, and a top is provided at the upper end of the punching movable column. The punching rebound compression spring is sleeved on the punching movable column, and the punching rebound compression spring is elastically supported between the top support ring and the bottom of the spring mounting hole; each punching pressing column is vertically fixed on the lower side of the pressing pad, and is used to press the upper end of each punching movable column respectively; a mold mounting groove is provided on the upper side of the base, and the lower side stamping mold is embedded in the mold mounting groove, and an impact hole position corresponding to the stamping guide hole is provided on the lower side stamping mold; a discharge hole corresponding to the impact hole position is provided through the bottom of the mold mounting groove.

[0007] Furthermore, two limit blocks are provided on the connecting fixed seat, and a movable block is fixedly provided on the rotating support column, and the movable block is located between the two limit blocks and moves back and forth; a collision pad is provided on each of the two limit blocks for colliding with the movable block.

[0008] Furthermore, the elastic support unit includes four elastic support branches, and the elastic support branches include a support guide column and a support rebound compression spring; a spring receiving hole is provided at the four top corners of the upper side of the base, and a lifting guide hole is provided at the bottom of the spring receiving hole; the upper end of the support guide column is fixed on the lower side of the pressing seat, and the lower end is movably inserted in the lifting guide hole; the support rebound compression spring is sleeved on the support guide column, and the upper end of the support rebound compression spring is supported on the lower side of the pressing seat, and the lower end is supported on the bottom of the spring receiving hole; a lifting limit slide groove is vertically provided on the hole wall of the lifting guide hole, and a lifting limit slider that is slidably embedded in the lifting limit slide groove is provided on the lower end of the support guide column.

[0009] Compared with the prior art, the present invention has the following beneficial effects: the state switching mechanism can be used to realize the position switching of the support pad and the punching unit, thereby satisfying the switching between the two working states of stamping and punching, so that the two working states can be completed successively on one press, thereby improving work efficiency; the elastic support unit can be used to bounce the pressing seat after the press completes the stroke, thereby facilitating the horizontal movement and loading of the strip steel plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a front structural diagram of the present invention;

[0011] Figure 2 This is a left-side structural diagram of the present invention after state switching;

[0012] Figure 3 This is a schematic cross-sectional view of the utility model;

[0013] Figure 4 This is a schematic diagram of the elastic support branch installation structure of the utility model. DETAILED DESCRIPTION

[0014] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0015] Example 1:

[0016] like Figure 1-4 As shown, the stamping forming die for the flange disclosed in the present invention includes: a base 1, a pressing seat 2, a state switching mechanism, a support pad 16 and a punching unit; the pressing seat 2 is elastically installed on the base 1 through an elastic support unit; a lower side stamping die 26 is embedded and installed in the middle of the upper side surface of the base 1, and an upper side stamping die 19 is installed in the middle of the lower side surface of the pressing seat 2; the state switching mechanism is installed on the front side of the base 1, and the support pad 16 and the punching unit are both cantilevered on the state switching mechanism, and the state switching mechanism drives the support pad 16 and the punching unit to move alternately to the top of the pressing seat 2 to undertake the stamping of the press.

[0017] The state switching mechanism can be used to realize the position switching of the support pad 16 and the punching unit, thereby satisfying the switching between the two working states of stamping and punching, so that these two working states can be completed successively on one press, thereby improving work efficiency; the elastic support unit can be used to pop up the pressing seat 2 after the press completes the stroke, so as to facilitate the horizontal movement of the strip steel plate 100 for loading.

[0018] Furthermore, the state switching mechanism includes a connecting fixed seat 3, a rotating support column 4, a rebound support spring 5, a support sliding seat 7 and two cantilevered switching arms 15; the connecting fixed seat 3 is fixedly installed in the middle of the front side of the base 1, and the lower end of the rotating support column 4 is rotatably installed on the connecting fixed seat 3; a handle rod 8 is vertically installed on the rotating support column 4; the support sliding seat 7 is vertically slidably installed on the rotating support column 4, and a spring support ring 6 is provided at the lower part of the rotating support column 4; the rebound support spring 5 is sleeved on the rotating support column 4, and the rebound support spring 5 is elastically supported between the support sliding seat 7 and the spring support ring 6; one end of the two cantilevered switching arms 15 are both fixed on the support sliding seat 7, and the two cantilevered switching arms 15 are perpendicular to each other; the support pad 16 and the punching unit are respectively fixed on the cantilevered ends of the two cantilevered switching arms 15. The handle rod 8 can be used to facilitate workers to quickly rotate the rotating support column 4, thereby realizing the displacement of the support pad 16 and the punching unit; the support sliding seat 7 is installed in a vertical sliding manner, so that it can move with the pressing seat 2 during punching, and realize rebound reset under the support of the rebound support spring 5.

[0019] Furthermore, a sliding guide groove 28 is vertically provided on the rotating support column 4 , and a sliding guide block is provided on the supporting sliding seat 7 and is slidably embedded in the sliding guide groove 28 .

[0020] Furthermore, the punching unit includes a pressing pad 12, each punching pressing column 13, each punching rebound compression spring 29 and each punching movable column 33; the pressing pad 12 is horizontally fixed on the cantilevered end of the cantilever switching arm 15, and the pressing pad 12 has the same thickness as the supporting pad 16; each spring mounting hole 31 is provided on the upper side surface of the pressing seat 2, and a punching guide hole 32 is provided through the bottom of the spring mounting hole 31, and the punching guide holes 32 respectively correspond to the various impact hole positions on the upper side stamping die 19; the punching movable column 33 is vertically movably inserted in the punching guide hole 32, and a top support ring 30 is provided at the upper end of the punching movable column 33; the punching rebound compression spring 29 is sleeved on the punching movable column 33 On the movable column 33, the punching rebound compression spring 29 is elastically supported between the top support ring 30 and the bottom of the spring mounting hole 31; each punching pressing column 13 is vertically fixed on the lower side of the pressing pad 12, and is used to press the upper end of each punching movable column 33 respectively; a mold mounting groove 25 is provided on the upper side of the base 1, and the lower side stamping mold 26 is embedded in the mold mounting groove 25, and an impact hole position corresponding to the stamping guide hole 32 is provided on the lower side stamping mold 26; a discharge hole 27 corresponding to the impact hole position is provided through the bottom of the mold mounting groove 25; a stamping depression 20 corresponding to the stamping protrusion of the upper side stamping mold 19 is provided on the upper side of the lower side stamping mold 26. The punching pressing column 13 can be used to punch the punching movable column 33 at the corresponding position, so that the punching movable column 33 punches the corresponding position of the flange that has been punched, and after the punching is completed, the rebound support spring 5 supports the pressing pad 12, so that the punching pressing column 13 is away from the punching movable column 33, and the punching movable column 33 is supported by the punching rebound compression spring 29 to return to the punching guide hole 32, waiting for the next punching; the pressing pad 12 and the support pad 16 of the same thickness are used, so that the stroke of the press is not changed when switching between the two states.

[0021] Furthermore, a movable limiting slot 34 is vertically provided on the punching movable column 33 , and a movable limiting slider which is slidably embedded in the movable limiting slot 34 is provided on the hole wall of the punching guide hole 32 .

[0022] Furthermore, two limit blocks 10 are provided on the connecting fixed seat 3, and a movable block 9 is fixedly provided on the rotating support column 4, and the movable block 9 is located between the two limit blocks 10 and moves back and forth; a collision pad 11 is provided on each of the two limit blocks 10 for colliding with the movable block 9; when the movable block 9 collides with the collision pads 11 on the two limit blocks 10 respectively, the pressing pad 12 or the support pad 16 are respectively located above the pressing seat 2.

[0023] Furthermore, the elastic support unit includes four elastic support branches, and the elastic support branches include a support guide column 17 and a support rebound compression spring 18; a spring receiving hole 21 is provided at the four top corners of the upper side of the base 1, and a lifting guide hole 23 is provided at the bottom of the spring receiving hole 21; the upper end of the support guide column 17 is fixed on the lower side of the pressing seat 2, and the lower end is movably inserted in the lifting guide hole 23; the support rebound compression spring 18 is sleeved on the support guide column 17, and the upper end of the support rebound compression spring 18 is supported on the lower side of the pressing seat 2, and the lower end is supported on the bottom of the spring receiving hole 21; a lifting limit slide groove 24 is vertically provided on the hole wall of the lifting guide hole 23, and a lifting limit slider 22 that is slidably embedded in the lifting limit slide groove 24 is provided on the lower end of the support guide column 17. The spring receiving hole 21 can be used to receive the support rebound compression spring 18 during stamping, so that the pressing seat 2 can be fully pressed on the upper side of the base 1.

[0024] When the stamping die for flanges disclosed in the present invention is used, a worker firstly passes the strip steel plate 100 horizontally through the upper stamping die 19 and the lower stamping die 26; then the handle rod 8 is used to rotate the support column 4 so that the support pad 16 is located above the pressing seat 2, and the press is used to stamp, and the support pad 16 is pressed down together with the pressing seat 2, and a flange is stamped out from the strip steel plate 100 by the upper stamping die 19 and the lower stamping die 26, and then the press is used to press. By rotating the support column 4 through the handle rod 8, the pressing pad 12 moves to the top of the pressing seat 2, and is punched by the press. The pressing pad 12 is pressed down together with the pressing seat 2. At the same time, the punching pressing column 13 punches the punching movable column 33, and the lower end of the punching movable column 33 punches holes at the corresponding position of the flange. The worker then takes the pressed and punched flange out of the lower stamping die 26. The above process is repeated to complete the stamping and punching construction of each flange.

[0025] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes in form and details may be made without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A stamping die for a flange, characterized by: The invention comprises a base (1), a pressing seat (2), a state switching mechanism, a support pad (16) and a punching unit; the pressing seat (2) is elastically mounted on the base (1) through an elastic support unit; a lower punching die (26) is embedded and mounted in the middle of the upper side of the base (1), and an upper punching die (19) is mounted in the middle of the lower side of the pressing seat (2); the state switching mechanism is mounted on the front side of the base (1), and the support pad (16) and the punching unit are both cantilevered and mounted on the state switching mechanism, and the state switching mechanism drives the support pad (16) and the punching unit to alternately move to the upper side of the pressing seat (2) to receive the punching of the press.

2. The stamping die for flange according to claim 1, characterized in that: The state switching mechanism comprises a connecting fixed seat (3), a rotating support column (4), a rebound support spring (5), a support sliding seat (7) and two cantilever switching arms (15); the connecting fixed seat (3) is fixedly mounted on the middle part of the front side surface of the base (1), and the lower end of the rotating support column (4) is rotatably mounted on the connecting fixed seat (3); a handle bar (8) is vertically mounted on the rotating support column (4); the support sliding seat (7) is vertically slidably mounted on the rotating support column (4), and a spring support ring (6) is provided at the lower part of the rotating support column (4); the rebound support spring (5) is sleeved on the rotating support column (4), and the rebound support spring (5) is elastically supported between the support sliding seat (7) and the spring support ring (6); one end of the two cantilever switching arms (15) is fixed on the support sliding seat (7), and the two cantilever switching arms (15) are perpendicular to each other; the support pad (16) and the punching unit are respectively fixed on the cantilevered ends of the two cantilever switching arms (15).

3. The stamping die for flange according to claim 2, characterized in that: The punching unit comprises a pressing pad (12), punching pressing columns (13), punching rebound compression springs (29) and punching movable columns (33); the pressing pad (12) is horizontally fixed on the cantilevered end of the cantilevered switching arm (15), and the pressing pad (12) and the supporting pad (16) have the same thickness; spring mounting holes (31) are provided on the upper side of the pressing seat (2), and punching guide holes (32) are provided through the bottom of the spring mounting holes (31), and the punching guide holes (32) respectively correspond to the impact holes on the upper side punching die (19); the punching movable column (33) is vertically movably inserted in the punching guide hole (32), and a top support is provided at the upper end of the punching movable column (33). A support ring (30); a punching rebound compression spring (29) is sleeved on the punching movable column (33), and the punching rebound compression spring (29) is elastically supported between the top support ring (30) and the bottom of the spring mounting hole (31); each punching pressing column (13) is vertically fixed on the lower side of the pressing pad (12) for pressing the upper end of each punching movable column (33) respectively; a mold mounting groove (25) is provided on the upper side of the base (1), and the lower side punching mold (26) is embedded in the mold mounting groove (25), and an impact hole position corresponding to the punching guide hole (32) is provided on the lower side punching mold (26); a discharge hole (27) corresponding to the impact hole position is provided through the bottom of the mold mounting groove (25).

4. The stamping die for flange according to claim 1, characterized in that: Two limit blocks (10) are provided on the connection fixing seat (3); a movable block (9) is fixedly provided on the rotating support column (4); and the movable block (9) is located between the two limit blocks (10) and moves back and forth; and a collision pad (11) is provided on each of the two limit blocks (10) for colliding with the movable block (9).

5. The stamping die for flange according to claim 1, characterized in that: The elastic support unit includes four elastic support branches, and the elastic support branches include a support guide column (17) and a support rebound compression spring (18); a spring receiving hole (21) is provided at each of the four top corners of the upper side of the base (1), and a lifting guide hole (23) is provided at the bottom of the spring receiving hole (21); the upper end of the support guide column (17) is fixed on the lower side of the pressing seat (2), and the lower end is movably inserted into the lifting guide hole (23); the support rebound compression spring (18) is sleeved on the support guide column (17), and the upper end of the support rebound compression spring (18) is supported on the lower side of the pressing seat (2), and the lower end is supported on the bottom of the spring receiving hole (21); a lifting limit slide groove (24) is vertically provided on the hole wall of the lifting guide hole (23), and a lifting limit slider is provided on the lower end of the support guide column (17) and is slidably embedded in the lifting limit slide groove (24).

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