CN107243548B

CN107243548B - Left and right brake pedal support plate progressive die

Info

Publication number: CN107243548B
Application number: CN201710467687.3A
Authority: CN
Inventors: 黄罴
Original assignee: Liuzhou Exhibition Machinery Co Ltd
Current assignee: Liuzhou Exhibition Machinery Co Ltd
Priority date: 2017-06-20
Filing date: 2017-06-20
Publication date: 2020-01-10
Anticipated expiration: 2037-06-20
Also published as: CN107243548A

Abstract

The invention discloses a left and right brake pedal bracket plate progressive die, which belongs to the technical field of dies and comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base, a material pressing assembly and male dies respectively arranged on the upper die base, and the material pressing assembly comprises a material pressing plate and a separated material pressing plate; the lower die assembly comprises a lower die base, a discharging assembly, a waste conveying plate and female die embedding sleeves which are respectively arranged on the lower die base and matched with a male die of the upper die base, and the discharging assembly comprises a discharging plate, a discharging column, a discharging block I, a discharging block II and a discharging block III; the waste conveying plates are respectively positioned below the blanking through holes and extend out of the outer side of the lower die base. The invention has compact structure and reasonable layout design, and compared with the single-process die production, the invention can improve the production efficiency, ensure the product quality, reduce the production cost and lighten the labor intensity of workers.

Description

Left and right brake pedal support plate progressive die

Technical Field

The invention belongs to the technical field of dies, relates to a progressive die, and particularly relates to a progressive die for producing left and right brake pedal support plates.

Background

A progressive die, also called a progressive die, is composed of a plurality of stations, wherein the stations are associated in sequence to complete different processing, a series of different stamping processing is completed in one stroke of a punch press, and after the one stroke is completed, a material is moved forward by a punch press feeder according to a fixed step pitch, so that a plurality of processes can be completed on a pair of dies, generally comprising the processes of punching, blanking, bending, trimming, stretching and the like.

Because the structure of the support plate of the automobile brake pedal is more complex, the support plate is usually produced by adopting a stamping die, the support plate of the automobile brake pedal produced by the existing production enterprises usually adopts a single-process die which sequentially passes through a plurality of single processes such as a punching die, a sheet dropping die, a bending die and the like, the processes involved in producing one part of the support plate of the automobile brake pedal are more, the product has high requirement on precision, and the product is produced by adopting a single-process die, so that the quality of the product is not stable, has higher quality requirement on operators, low production efficiency, high occupancy rate of machine tools, high production cost, potential safety hazard during operation of workers, is not beneficial to mass production, can not meet the production requirement of the current market, therefore, a progressive die for producing left and right brake pedal support plates is urgently needed so as to effectively improve the production efficiency and ensure the quality of parts.

Disclosure of Invention

The invention aims to provide the left and right brake pedal support plate progressive die which is simple to operate, safe to use, compact in structure, reasonable in layout design and capable of improving production efficiency and guaranteeing part quality, and effectively solves the problems in the prior art.

The technical scheme for solving the technical problems is as follows: a left and right brake pedal support plate progressive die comprises an upper die assembly and a lower die assembly matched with the upper die assembly, wherein the upper die assembly comprises an upper die base and a material pressing assembly, the lower die assembly comprises a lower die base, an unloading assembly and a waste conveying plate, the upper die assembly further comprises 3 punching positioning hole male dies, 1 middle triangular punching male die, 2 middle Y-shaped punching male dies, 2 appearance punching male dies, 1 guide flanging female die embedding sleeve, 2 convex rib forming female die embedding sleeves, 2 flanging female die assemblies, 2 shaping female die assemblies, 2 punching male die assemblies, 2 side punching wedge upper driving blocks and 1 separation male die assembly which are sequentially arranged on the upper die base along a feeding direction, the material pressing assembly comprises a material pressing plate and a separation material pressing plate, and through holes capable of penetrating through corresponding parts on the upper die assembly are respectively formed in corresponding positions on the material pressing plate and the separation material pressing plate, the material pressing plate and the separated material pressing plate are respectively arranged on the upper die base through the connecting assembly; the lower die assembly also comprises 3 locating hole punching female die embedding sleeves, 1 middle triangular punching female die, 2 middle Y-shaped punching female die embedding sleeves, 2 appearance punching female die embedding sleeves, 1 guide flanging male die, 2 convex rib forming male dies, 2 flanging male dies, 2 shaping male dies, 2 punching female die embedding sleeves, 2 side punching inclined wedge lower driving blocks and 1 separation female die embedding sleeve, wherein the two sides of the separation female die embedding sleeves are respectively provided with a part sliding groove, the front side of the separation female die embedding sleeves is also provided with a sensor assembly for sensing whether a material plate is in place or not, the discharging assembly comprises a discharging plate, a discharging column, a discharging block I, a discharging block II and a discharging block III, through holes capable of penetrating through corresponding parts on the lower die assembly are formed in corresponding positions on the discharging plate, and the discharging plate is installed on the lower die base through a connecting assembly, the discharging column, the discharging block I, the discharging block II and the discharging block III are respectively connected with the lower die base through springs; the die holder inlays the cover with the die of punching the locating hole, the die-cut die of middle part triangle-shaped, the die-cut die of middle part Y shape inlays the cover, the die-cut die of appearance inlays the cover, separates the die and inlays the position that the cover corresponds and be equipped with the blanking through-hole respectively, the waste material conveying board is fixed a position respectively in blanking through-hole below and extends the die holder outside.

The further technical scheme of the invention is as follows: the flanging female die component comprises a flanging female die insert and a flanging material pressing insert, the flanging female die insert is connected with the upper die base, and the flanging material pressing insert is connected with the material pressing plate; the shaping female die assembly comprises a shaping female die insert and a shaping pressing insert, the shaping female die insert is connected with the upper die base, and the shaping pressing insert is connected with the pressing plate; the separation male die assembly comprises a triangular cutting male die and a trapezoidal cutting male die which are respectively connected with the upper die base; the separating female die insert sleeve comprises a triangular cutting female die and a trapezoidal cutting female die which respectively correspond to the triangular cutting male die and the trapezoidal cutting male die.

The further technical scheme of the invention is as follows: the terrace die subassembly that punches a hole presses material insert, 2 terrace dies and 2 side opening drifts of punching a hole including punching a hole, it is connected with pressing the flitch to punch a hole to press the material insert, and 2 terrace dies that punch a hole are connected with the upper die base respectively and pass and punch a hole and press the material insert, the front end of drive block on the slide wedge that punches a hole is connected respectively to the side opening drift, the die that punches a hole inlays to be equipped with 2 die that punch a hole that correspond with the terrace die that punches a hole on the cover, and the die that punches a hole inlays to overlap the side and is equipped with the side opening die respectively, drive block and side punch a hole slide wedge on the side punch a hole.

The further technical scheme of the invention is as follows: the unloading column is positioned between the middle Y-shaped punching female die insert sleeve and the outer shape punching female die insert sleeve, the unloading block I is positioned between the flanging male die and the shaping male die, the unloading block II is positioned between the shaping male die and the punching female die insert sleeve, and the unloading block III is positioned between the punching female die insert sleeve and the separating female die insert sleeve.

The further technical scheme of the invention is as follows: the four corners of the lower die base are respectively provided with a sliding guide pillar, and the corresponding positions of the upper die base are respectively provided with a guide sleeve matched with the sliding guide pillars; the pressing plate is also provided with a pressing guide pillar, and the corresponding positions of the upper die base are respectively provided with a pressing guide sleeve matched with the pressing guide pillar; the discharging plate is also provided with a discharging guide pillar, and the corresponding positions of the lower die holder are respectively provided with a discharging guide sleeve matched with the discharging guide pillar; a material pressing spring is connected between the material pressing plate and the upper die base as well as between the separated material pressing plate and the upper die base; and a discharging spring is connected between the discharging plate and the lower die base.

The further technical scheme of the invention is as follows: the connecting assembly comprises a limiting hook and a limiting fixture block, wherein a limiting lug I is arranged on the side surface of one end of the limiting hook in a protruding mode, and a limiting lug II is arranged on the side surface of one end of the limiting fixture block in a protruding mode; one end, far away from the limiting convex block I, of the limiting hook of the pressure plate is connected to the side edge of the pressure plate through a bolt, one end, far away from the limiting convex block II, of the limiting fixture block of the pressure plate is connected to the lower side of the upper die base through a bolt, the position of the limiting fixture block corresponds to that of the limiting hook, and when the pressure plate moves downwards under the action of the pressure spring, the limiting convex block I and the limiting convex block II are pressed against each other; the one end that spacing lug I was kept away from to the spacing couple of stripper passes through bolted connection at the side of stripper, and the one end that spacing lug II was kept away from to the spacing fixture block of stripper corresponds with the position of spacing couple through bolted connection at die holder upside and the position of spacing fixture block, and when the stripper during rebound under the effect of the spring of unloading, spacing lug I and spacing lug II supported each other and pressed.

The left and right brake pedal support plate progressive die has the advantages of reasonable layout design, compact structure, high guide precision, stable unloading, convenient operation and maintenance, safe use and the like, can improve the production efficiency and the part quality compared with the single-process die production, can reduce the number of required punches and dies, occupies small area, effectively improves the production efficiency, reduces the production cost and the labor cost, and meets the production requirements of large-batch, high-efficiency and high-quality parts.

The technical features of the left and right brake pedal bracket plate progressive die of the present invention will be further described with reference to the accompanying drawings and embodiments.

Drawings

FIG. 1: the upper die component is in a schematic structure view;

FIG. 2: FIG. 1 is a top view;

FIG. 3: the upper die component of the invention is a structural schematic diagram (a material pressing component is omitted);

FIG. 4: FIG. 3 is a top view;

FIG. 5: the structure schematic diagram of the material pressing component is shown;

FIG. 6: the invention is a schematic structural diagram of a lower die assembly;

FIG. 7: the structure of the lower die component of the invention is schematically shown (the discharging component and the waste material conveying plate are omitted);

FIG. 8: FIG. 7 is a top view;

FIG. 9: the structure of the discharging component is schematic;

FIG. 10: a schematic view of a left brake pedal bracket plate;

FIG. 11: a schematic view of a right brake pedal bracket plate;

FIG. 12: the structural schematic diagram (state one) that the pressure plate is connected with the upper die base through the connecting component;

FIG. 13: the structural schematic diagram (state two) that the pressure plate is connected with the upper die base through the connecting component;

in the figure: 1-an upper die holder, 2-a connecting assembly, 3-a pressure plate, 4-a guide sleeve, 5-a locating hole punching male die, 6-a middle triangular punching male die, 7-a middle Y-shaped punching male die, 8-an outline punching male die, 9-a guide flanging female die insert, 10-a convex rib forming female die insert, 11-a flanging female die assembly, 111-a flanging pressure insert, 112-a flanging female die insert, 12-a shaping female die assembly, 121-a shaping pressure insert, 122-a shaping female die insert, 13-a punching male die assembly, 131-a punching male die, 132-a punching pressure insert, 14-a side punching wedge upper driving block, 15-a triangular cutting male die, 16-a trapezoidal cutting male die, 17-a separating pressure plate and 18-a side hole punching head, 19-pressing guide sleeve, 20-pressing spring, 21-limiting fixture block, 211-limiting lug II, 22-limiting hook, 221-limiting lug I, 23-pressing guide column, 24-lower die holder, 25-waste transfer plate, 26-stripper plate, 27-sliding guide column, 28-punching locating hole female die insert, 29-middle triangular punching female die, 30-middle Y-shaped punching female die insert, 31-discharging column, 32-shape punching female die insert, 33-guiding flanging male die, 34-male die forming male die, 35-flanging male die, 36-discharging block I, 37-shaping male die, 38-discharging block II, 39-punching female die insert, 391-punching female die, 392-female die, 40-discharging block III, 41-a separation die insert sleeve, 411-a triangular cutting die, 412-a trapezoidal cutting die, 42-a sensor assembly, 43-a part chute, 44-a side punching inclined wedge lower driving block, 45-a discharging guide sleeve and 46-a discharging guide column.

Detailed Description

As shown in fig. 1 to 13, a left and right brake pedal bracket plate progressive die of the present invention includes an upper die assembly and a lower die assembly matched with the upper die assembly; the upper die assembly comprises an upper die holder 1 and a material pressing assembly, and the lower die assembly comprises a lower die holder 24, a discharging assembly and a waste conveying plate 25; four corners of the lower die holder 24 are respectively provided with a sliding guide post 27, and the corresponding position of the upper die holder 1 is respectively provided with a guide sleeve 4 matched with the sliding guide post 27.

As shown in fig. 10 and 11, the side edges of the left brake pedal bracket plate and the right brake pedal bracket plate need to be bent and punched with side holes, so the processing steps of the progressive die of the invention are as follows: punching a positioning hole → trimming I → trimming II → trimming III → guiding and flanging → forming a convex rib → flanging → reshaping → punching and side punching → empty step → separation → blanking.

As shown in fig. 1 to 6, the upper die assembly further includes 3 positioning hole

punching male dies

5, 1 middle triangular punching male die 6, 2 middle Y-shaped punching male dies 7, 2 shape

punching male dies

8, 1 guide flanging female die insert sleeve 9, 2 convex rib forming female die

insert sleeves

10, 2 flanging female die

assemblies

11, 2 shaping female die assemblies 12, 2 punching male die

assemblies

13, 2 side punching wedge

upper driving blocks

14 and 1 separation male die assembly which are sequentially arranged on the upper die base 1 along the feeding direction; the material pressing component comprises a material pressing plate 3 and a separating material pressing plate 17, through holes capable of penetrating through corresponding parts on the upper die component are formed in corresponding positions on the material pressing plate 3 and the separating material pressing plate 17 respectively, and the material pressing plate 3 and the separating material pressing plate 17 are installed on the upper die base 1 through the connecting component 2 respectively.

The flanging die assembly 11 comprises a flanging die insert 112 and a flanging pressing insert 111, wherein the flanging die insert 112 is connected with the upper die base 1, and the flanging pressing insert 111 is connected with the pressing plate 3; the shaping die assembly 12 comprises a shaping die insert 122 and a shaping material pressing insert 121, the shaping die insert 122 is connected with the upper die base 1, and the shaping material pressing insert 121 is connected with the material pressing plate 3; the separation punch assembly comprises a triangular cutting punch 15 and a trapezoidal cutting punch 16 which are respectively connected with the upper die base 1.

As shown in fig. 7 to 9, the lower die assembly further includes 3 positioning hole punching die

inserts

28, 1 middle triangular punching die 29, 2 middle Y-shaped punching die

inserts

30, 2 shape punching die

inserts

32, 1 guiding flanging dies 33, 2

rib forming dies

34, 2 flanging dies 35, 2 shaping dies 37, 2 punching die

inserts

39, 2 side punching inclined wedge

lower driving blocks

44 and 1 separating die insert 41, which are disposed on the lower die holder 24 and are matched with the upper die assembly, two sides of the separating die insert 41 are further respectively provided with a part chute 43, a sensor assembly 42 for sensing whether a material plate is in place is further disposed on the front side of the separating die insert 41, the discharging assembly includes a discharging plate 26, a discharging column 31, a discharging block i 36, a discharging block ii 38 and a discharging block iii 40, a through hole through which a corresponding component on the lower die assembly can pass is opened on the discharging plate 26, and the unloading plate 26 is arranged on the lower die holder 24 through the connecting component 2, and the unloading column 31, the unloading block I36, the unloading block II 38 and the unloading block III 40 are respectively connected with the lower die holder 24 through springs.

The separation die insert 41 includes a triangular cutting die 411 and a trapezoidal cutting die 412 corresponding to the triangular cutting punch 15 and the trapezoidal cutting punch 16, respectively.

The discharging column 31 is positioned between the middle Y-shaped punching female die insert sleeve 30 and the outer shape punching female die insert sleeve 32, the discharging block I36 is positioned between the flanging male die 35 and the shaping male die 37, the discharging block II 38 is positioned between the shaping male die 37 and the punching female die insert sleeve 39, and the discharging block III 40 is positioned between the punching female die insert sleeve 39 and the separating female die insert sleeve 41. The discharging block I36, the discharging block II 38 and the discharging block III 40 not only can play a discharging role, but also have a guiding role, so that the discharging plate can move forward in a preset direction to process the next procedure.

In this embodiment, blanking through holes are further respectively formed in the lower die holder 24 at positions corresponding to the positioning hole punching die insert sleeve 28, the middle triangular punching die 29, the middle Y-shaped punching die insert sleeve 30, the outline punching die insert sleeve 32 and the separation die insert sleeve 41, and the waste conveying plates 25 are respectively positioned below the blanking through holes and extend out of the outer side of the lower die holder 24; the punched waste material falls onto the waste material conveying plate 25 through the blanking through holes and slides along the waste material conveying plate 25 into the waste material collecting frame.

The punching punch assembly 13 comprises a

punching press insert

132, 2

punching punches

131 and 2 side hole punches 18, wherein the punching press insert 132 is connected with a press plate 3, the 2 punching punches 131 are respectively connected with an upper die holder 1 and penetrate through the punching press insert 132, the side hole punches 18 are respectively connected with the front ends of side punching wedge upper driving blocks 14, the punching die insert sleeve 39 is provided with 2 punching dies 391 corresponding to the punching punches 131, the side surfaces of the punching die insert sleeve 39 are respectively provided with side hole dies 392, and the side punching wedge upper driving blocks 14 and the side punching wedge lower driving blocks 44 are mutually matched and correspond to the positions of the side hole dies 392. Since the side-piercing cam upper drive block 14 and the side-piercing cam lower drive block 44 of the present invention are standard parts manufactured by the pallet industry (Dalian) Co., Ltd., they will not be described in detail herein.

The pressing plate 3 is also provided with a pressing guide post 23, and the corresponding positions of the upper die base 1 are respectively provided with a pressing guide sleeve 19 matched with the pressing guide post 23; the discharging plate 26 is also provided with a discharging guide pillar 46, and the corresponding positions of the lower die base 24 are respectively provided with a discharging guide sleeve 45 matched with the discharging guide pillar 46; a material pressing spring 20 is connected between the material pressing plate 3 and the upper die base 1 as well as between the separated material pressing plate 17 and the upper die base 1; a discharging spring is connected between the discharging plate 26 and the lower die holder 24.

As shown in fig. 12 and 13, the connecting assembly 2 of the present invention includes a limiting hook 22 and a limiting block 21, wherein a limiting protrusion i 221 is protruded from a side surface of one end of the limiting hook 22, and a limiting protrusion ii 211 is protruded from a side surface of one end of the limiting block 21.

According to the invention, one end of a limiting hook 22 of a pressure plate 3, which is far away from a limiting bump I221, is connected to the side edge of the pressure plate 3 through a bolt, one end of a limiting fixture block 21 of the pressure plate 3, which is far away from a limiting bump II 211, is connected to the lower side of an upper die base 1 through a bolt, the position of the limiting fixture block 21 corresponds to the position of the limiting hook 22, and when the pressure plate 3 moves downwards under the action of a pressure spring 20, the limiting bump I221 and the limiting bump II 211 are mutually pressed. The pressure plate 3 is positioned through the pressure guide pillar 23 and the pressure guide sleeve 19, meanwhile, the stroke of the pressure plate 3 in the vertical direction is limited through the limiting hook 22 and the limiting fixture block 21 which are installed on the outer side of the pressure plate 3, and because the limiting fixture block 21 is connected to the lower side of the upper die base 1 through bolts, when the upper die assembly is installed on the punching machine base, if the pressure plate 3 needs to be disassembled, the bolts capable of directly screwing down the limiting fixture block 21 can disassemble the limiting fixture block 21 from the upper die base 1, so that the pressure plate 3 can be disassembled. By adopting the connecting structure, the pressure plate 3 can be quickly dismounted under the condition that the upper die base 1 is not dismounted, the dismounting procedures are reduced, the time is saved, the operating efficiency is effectively improved, and the labor intensity of workers is also reduced.

The stripper plate 26 is connected to the lower die bed 24 by the connecting assembly 2 in the same way, namely: the one end that spacing lug I221 was kept away from to spacing couple 22 of stripper 26 passes through bolted connection at the side of stripper 26, and the one end that spacing lug II 211 was kept away from to spacing fixture block 21 of stripper 26 corresponds with spacing couple 22's position through bolted connection in the position of lower bolster 24 upside and spacing fixture block 21, and when stripper 26 during rebound under the effect of discharge spring, spacing lug I221 and spacing lug II 211 support each other and press.

The above embodiments are only preferred embodiments of the present invention, and the structure of the present invention is not limited to the forms of the above embodiments, and any modifications, equivalents and the like within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a control brake pedal support plate and upgrade mould, includes last mould subassembly and with last mould subassembly assorted lower mould subassembly, it includes upper die base (1) and presses the material subassembly to go up the mould subassembly, lower mould subassembly includes die holder (24), the subassembly of unloading and waste material conveying board (25), its characterized in that: the progressive die sequentially executes the following processing steps: punching a positioning hole → trimming I → trimming II → trimming III → guiding and flanging → rib forming → flanging → reshaping → punching and side punching → empty step → separation → blanking;

the upper die assembly further comprises 3 positioning hole punching male dies (5), 1 middle triangular punching male die (6), 2 middle Y-shaped punching male dies (7), 2 appearance punching male dies (8), 1 guide flanging female die embedding sleeve (9), 2 convex rib forming female die embedding sleeves (10), 2 flanging female die assemblies (11), 2 shaping female die assemblies (12), 2 punching male die assemblies (13), 2 side punching wedge upper driving blocks (14) and 1 separation male die assembly which are sequentially arranged on the upper die base (1) along the feeding direction;

the flanging die assembly (11) comprises a flanging die insert (112) and a flanging pressing insert (111), the flanging die insert (112) is connected with the upper die base (1), and the flanging pressing insert (111) is connected with the pressing plate (3); the shaping die assembly (12) comprises a shaping die insert (122) and a shaping material pressing insert (121), the shaping die insert (122) is connected with the upper die base (1), and the shaping material pressing insert (121) is connected with the material pressing plate (3); the separation male die component comprises a triangular cutting male die (15) and a trapezoidal cutting male die (16) which are respectively connected with the upper die base (1); the separating female die insert sleeve (41) comprises a triangular cutting female die (411) and a trapezoidal cutting female die (412) which respectively correspond to the triangular cutting male die (15) and the trapezoidal cutting male die (16);

the lower die assembly further comprises 3 locating hole punching die insert sleeves (28), 1 middle triangular punching die (29), 2 middle Y-shaped punching die insert sleeves (30), 2 appearance punching die insert sleeves (32), 1 guide flanging male die (33), 2 convex rib forming male dies (34), 2 flanging male dies (35), 2 shaping male dies (37), 2 punching die insert sleeves (39), 2 side punching inclined wedge lower driving blocks (44) and 1 separation die insert sleeve (41), wherein the locating hole punching die insert sleeves are arranged on the lower die base (24) and matched with the upper die assembly, part sliding grooves (43) are further formed in two sides of the separation die insert sleeve (41), and a sensor assembly (42) for sensing whether the material plate is in place or not is further arranged on the front side of the separation die insert sleeve (41);

the discharging assembly comprises a discharging plate (26), a discharging column (31), a discharging block I (36), a discharging block II (38) and a discharging block III (40), through holes capable of penetrating through corresponding parts on the lower die assembly are formed in corresponding positions on the discharging plate (26), the discharging plate (26) is installed on the lower die base (24) through a connecting assembly (2), and the discharging column (31), the discharging block I (36), the discharging block II (38) and the discharging block III (40) are respectively connected with the lower die base (24) through springs; the discharging column (31) is positioned between a middle Y-shaped punching female die insert sleeve (30) and an outer shape punching female die insert sleeve (32), the discharging block I (36) is positioned between a flanging male die (35) and a shaping male die (37), the discharging block II (38) is positioned between the shaping male die (37) and a punching female die insert sleeve (39), and the discharging block III (40) is positioned between the punching female die insert sleeve (39) and a separating female die insert sleeve (41); the discharging block I (36), the discharging block II (38) and the discharging block III (40) are matched with the material plate, so that the material plate can advance in a preset direction;

the die-cutting die-.

2. The left and right brake pedal bracket plate progressive die of claim 1 wherein: the punch male die assembly (13) comprises a punch pressing insert (132), 2 punch male dies (131) and 2 side hole punches (18), the punch pressing insert (132) is connected with a pressing plate (3), the 2 punch male dies (131) are respectively connected with an upper die base (1) and penetrate through the punch pressing insert (132), the side hole punches (18) are respectively connected with the front ends of driving blocks (14) on side punch wedges, 2 punch female dies (391) corresponding to the punch male dies (131) are arranged on a punch female die embedding sleeve (39), side faces of the punch female die embedding sleeve (39) are respectively provided with side hole female dies (392), and the driving blocks (14) on the side punch wedges and the driving blocks (44) under the side punch wedges are mutually matched and correspond to the positions of the side hole female dies (392).

3. The left and right brake pedal bracket plate progressive die of claim 1 wherein: four corners of the lower die holder (24) are respectively provided with a sliding guide post (27), and the corresponding position of the upper die holder (1) is respectively provided with a guide sleeve (4) matched with the sliding guide post (27).

4. The left and right brake pedal bracket plate progressive die of claim 1 wherein: the pressing plate (3) is also provided with a pressing guide post (23), and the corresponding positions of the upper die holder (1) are respectively provided with a pressing guide sleeve (19) matched with the pressing guide post (23); the discharging plate (26) is also provided with a discharging guide pillar (46), and the corresponding positions of the lower die holder (24) are respectively provided with a discharging guide sleeve (45) matched with the discharging guide pillar (46).

5. The left and right brake pedal bracket plate progressive die of claim 1 wherein: a material pressing spring (20) is connected between the material pressing plate (3) and the upper die holder (1) as well as between the separated material pressing plate (17); a discharging spring is connected between the discharging plate (26) and the lower die holder (24).

6. The left and right brake pedal bracket plate progressive die of claim 5 wherein: the connecting assembly (2) comprises a limiting hook (22) and a limiting clamping block (21), a limiting convex block I (221) is arranged on the side surface of one end of the limiting hook (22) in a protruding mode, and a limiting convex block II (211) is arranged on the side surface of one end of the limiting clamping block (21) in a protruding mode;

one end, far away from the limiting bump I (221), of a limiting hook (22) of the pressure plate (3) is connected to the side edge of the pressure plate (3) through a bolt, one end, far away from the limiting bump II (211), of a limiting clamping block (21) of the upper die base (1) is connected to the lower side of the upper die base (1) through a bolt, the position of the limiting clamping block (21) corresponds to the position of the limiting hook (22), and when the pressure plate (3) moves downwards under the action of the pressure spring (20), the limiting bump I (221) and the limiting bump II (211) are pressed against each other;

the one end that spacing lug I (221) was kept away from in spacing couple (22) of stripper (26) passes through bolted connection at the side of stripper (26), the one end that spacing lug II (211) was kept away from in spacing fixture block (21) of stripper (26) corresponds with the position of spacing couple (22) through bolted connection in the position of die holder (24) upside and spacing fixture block (21), when stripper (26) rebound under the effect of the spring of unloading, spacing lug I (221) and spacing lug II (211) support each other and press.