Steel backing die for producing automobile brake pad

Abstract

The utility model discloses a steel backing die for producing an automobile brake pad, which belongs to the technical field of dies and comprises a workbench, a lower die is fixed in the middle of the upper end of the workbench, a fixing frame is fixed on one side of the upper end of the workbench, an air cylinder is mounted at the position, corresponding to the lower die, of the upper end of the fixing frame, and an upper die is arranged at the output end of the air cylinder. A guide assembly is arranged between the upper die and the lower die, and a material ejecting assembly is arranged at the position, corresponding to the lower die, in the workbench. According to the utility model, through the arrangement of the material ejecting assembly, after the automobile brake pad is stamped, the upper die moves upwards, the motor is started to drive the screw to rotate, the screw rotates to drive the sliding seat to move in the cavity, the sliding seat moves to push the sliding plate to ascend through the rotating plate, and the rotating plate rotates between the sliding plate and the sliding seat; and the sliding plate ascends to eject out the automobile brake pad in the lower die through the ejector rod, the stamped automobile brake pad can be conveniently ejected out of the lower die through the material ejecting assembly, and material taking is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field, concretely relates to a steel back mould for automobile brake pad production. BACKGROUND

[0002] Mould, industrial production is used to injection moulding, blow moulding, extrusion, die casting or forging pressure forming, smelting, stamping etc. method obtains the required product's various moulds and tools. Automobile brake pad also called automobile brake pad, is the friction material fixed on the brake drum or brake disc of rotating wheel, the friction lining and friction block bear external pressure, produce friction and thus achieve the purpose of vehicle speed reduction.

[0003] The existing technology has the following problems: the existing steel back mould for automobile brake pad production is inconvenient to demould, the automobile brake pad is easy to be stuck in the lower mould after stamping and is not easy to take out, and the upper and lower moulds of the existing steel back mould for automobile brake pad production have poor closing precision and are easy to be misaligned and affect the stamping quality. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the utility model provides a steel back mould for automobile brake pad production, which has the characteristics of convenient demoulding of the stamped automobile brake pad, convenient material taking and high precision of upper and lower mould closing.

[0005] To achieve the above object, the utility model provides the following technical scheme: a steel back mould for automobile brake pad production, comprising a workbench, a lower mould is fixed at the middle position of the upper end of the workbench, a fixing frame is fixed at one side of the upper end of the workbench, a cylinder is installed at the position corresponding to the lower mould on the upper end of the fixing frame, an upper mould is arranged at the output end of the cylinder, a guide assembly is arranged between the upper mould and the lower mould, and a material ejecting assembly is arranged at the position corresponding to the lower mould in the workbench.

[0006] The material ejecting assembly comprises a cavity, a sliding plate, a jacking rod, a motor, a screw rod, a sliding seat and a rotating plate, wherein the cavity is formed at the position corresponding to the lower mould in the workbench, the motor is installed at the lower end of one end of the cavity, the screw rod is arranged at the output end of the motor, the sliding seat is threadedly connected to one side of the surface of the screw rod, the lower end of the sliding seat is tightly attached to the lower end of the cavity, the sliding plate is arranged above the screw rod, the sliding plate and the sliding seat are connected through the rotating plate, and the jacking rod is fixed at the middle position of the upper end of the sliding plate.

[0007] Preferably, the material ejecting assembly further comprises a T-shaped block, a T-shaped groove and a limiting strip, wherein the limiting strip is fixed at both ends of the cavity, the T-shaped block is fixed to the lower end of the sliding seat, and the T-shaped groove is formed in the workbench and corresponds to the T-shaped block.

[0008] Preferably, the rotating plate and the sliding plate are rotatably connected through a shaft pin, and the workbench and the lower mould are both provided with a sliding hole corresponding to the jacking rod.

[0009] Preferably, the lower end of the slide plate is in contact with the upper end of the limiting strip, and the upper end of the ejector rod is flush with the lower end inside the lower die when the upper end of the limiting strip is in contact with the lower end of the limiting strip.

[0010] Preferably, the guide assembly comprises a folding plate, a fixed seat, a roller, a rolling groove, a reinforcing rod and a triangular plate, wherein the lower end of the lower die is fixed with a folding plate, the upper end between the two folding plates is fixed with a reinforcing rod, the triangular plate is fixed between the folding plate and the workbench, the upper end of the upper die is fixed with a fixed seat, the roller is rotatably connected at the two ends of the fixed seat, and the rolling groove corresponding to the roller is formed in one end of the folding plate.

[0011] Preferably, the roller is rotatably connected with the fixed seat through a shaft pin, and the folding plate is welded with the lower die and the reinforcing rod is welded with the folding plate through pressure welding.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a material ejecting assembly is set up, and the upper die moves up after the automobile brake pad stamping is completed, and the motor drive screw rotates, and the screw rotation drives the sliding seat to move in the cavity, and the sliding seat moves and pushes the slide plate to go up through the rotating plate, and the rotating plate rotates between the slide plate and the sliding seat, and the slide plate goes up and can push out the automobile brake pad in the lower die through the ejector rod, so that the automobile brake pad after stamping is conveniently pushed out from the lower die, and the material is conveniently taken.

[0014] 2、The utility model discloses a guide assembly is set up, and when the upper die moves down, the roller at the two ends of the fixed seat of the upper die rolls in the rolling groove of one end of the folding plate, and the roller rolls in the rolling groove of the folding plate and guides the upper die to move, the reinforcing rod is arranged between the two folding plates and the triangular plate is arranged between the folding plate and the workbench, so that the two folding plates are more stable, the guide assembly can improve the die closing precision of the upper die and the lower die, and avoids the die closing of the upper die and the lower die from being misaligned and affecting the stamping quality. DRAWINGS

[0015] Figure 1 It is the perspective view of the utility model;

[0016] Figure 2 It is the rear perspective view of the utility model;

[0017] Figure 3 It is the sectional perspective view of the lower die and the workbench of the utility model;

[0018] Figure 4 It is the perspective view of the rotating plate of the utility model;

[0019] In the figure: 1, workbench; 2, ejecting assembly; 21, cavity; 22, sliding plate; 23, ejecting rod; 24, motor; 25, screw rod; 26, sliding seat; 27, rotating plate; 28, T-shaped block; 29, T-shaped groove; 210, limiting strip; 3, guiding assembly; 31, folding plate; 32, fixed seat; 33, roller; 34, rolling groove; 35, reinforcing rod; 36, triangular plate; 4, lower die; 5, air cylinder; 6, upper die; 7, fixed frame. DETAILED DESCRIPTION

[0020] 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 scope of protection of the utility model.

[0021] Embodiment 1

[0022] Please refer to Figures 1-4 The utility model provides the following technical scheme: a steel back die for automobile brake pad production, including workbench 1, the lower die 4 is fixed in the middle position of workbench 1 upper end, the fixed frame 7 is fixed in one side of workbench 1 upper end, the air cylinder 5 is installed in the position of fixed frame 7 upper end and the lower die 4 corresponds, and the upper die 6 is arranged in the output end of air cylinder 5, the guiding assembly 3 is arranged between the upper die 6 and the lower die 4, and the ejecting assembly 2 is arranged in the position of the lower die 4 in the inside of workbench 1.

[0023] The ejecting assembly 2 includes cavity 21, sliding plate 22, ejecting rod 23, motor 24, screw rod 25, sliding seat 26 and rotating plate 27, wherein the cavity 21 is formed in the position corresponding to the lower die 4 in the inside of workbench 1, the motor 24 is arranged at the lower end of one end in the inside of cavity 21, the screw rod 25 is arranged at the output end of motor 24, the sliding seat 26 is threadedly connected to one side of the surface of screw rod 25, the sliding seat 26 is tightly attached to the lower end of the inside of cavity 21, the sliding plate 22 is arranged at the upper side of screw rod 25, the rotating plate 27 is arranged between the sliding plate 22 and the sliding seat 26, and the ejecting rod 23 is fixed to the middle position of the upper end of sliding plate 22.

[0024] Specifically, the ejecting assembly 2 further includes T-shaped block 28, T-shaped groove 29 and limiting strip 210, wherein the limiting strip 210 is fixed to both ends in the inside of cavity 21, the T-shaped block 28 is fixed to the lower end of sliding seat 26, and the T-shaped groove 29 is formed in the workbench 1 and corresponds to the T-shaped block 28.

[0025] By adopting the above technical scheme, the sliding plate 22 is limited by the fixed limiting strip 210 inside the cavity 21, the T-shaped block 28 at the lower end of the sliding seat 26 can slide in the T-shaped groove 29 when the sliding seat 26 moves, and the T-shaped block 28 and the T-shaped groove 29 are arranged to make the sliding seat 26 move more stably.

[0026] Specifically, the rotating plate 27 and the sliding plate 22 are rotatably connected through the shaft pin, and the rotating plate 27 and the sliding seat 26 are rotatably connected through the shaft pin, and the workbench 1 and the lower die 4 are provided with sliding holes corresponding to the ejector pin 23.

[0027] By adopting the above technical scheme, the rotating plate 27 can rotate between the sliding plate 22 and the sliding seat 26, and the ejector pin 23 can slide in the workbench 1 and the lower die 4.

[0028] Specifically, when the lower end of the sliding plate 22 contacts the upper end of the limiting strip 210, the upper end of the ejector pin 23 is flush with the lower end inside the lower die 4, and the two ends of the sliding plate 22 are tightly attached to the inner wall of the cavity 21.

[0029] By adopting the above technical scheme, the protruding upper end of the ejector pin 23 from the lower end inside the lower die 4 does not affect the stamping work, and the tightly attached two ends of the sliding plate 22 to the inner wall of the cavity 21 make the sliding plate 22 slide more stably in the cavity 21.

[0030] When the device is used, the automobile brake pad steel back mold is installed in a suitable position, the automobile brake pad to be stamped is placed in the lower die 4, the cylinder 5 is started to drive the upper die 6 to move downward to make the upper die 6 and the lower die 4 close to stamp the automobile brake pad, the material ejecting assembly 2 is arranged, the upper die 6 moves upward after the automobile brake pad is stamped, the motor 24 is started to drive the screw rod 25 to rotate, the screw rod 25 rotates to drive the sliding seat 26 to move in the cavity 21, the sliding seat 26 moves to push the sliding plate 22 upward through the rotating plate 27, the rotating plate 27 rotates between the sliding plate 22 and the sliding seat 26, the sliding plate 22 rises to push the automobile brake pad in the lower die 4 out through the ejector pin 23, the material ejecting assembly 2 is arranged to facilitate the automobile brake pad after stamping to be pushed out of the lower die 4, facilitating material taking, the limiting strip 210 is arranged inside the cavity 21 to limit the sliding plate 22, the T-shaped block 28 at the lower end of the sliding seat 26 can slide in the T-shaped groove 29 when the sliding seat 26 moves, and the T-shaped block 28 and the T-shaped groove 29 are arranged to make the sliding seat 26 move more stably.

[0031] Embodiment 2

[0032] The difference between the embodiment and the embodiment 1 is that the guide assembly 3 comprises a folding plate 31, a fixing seat 32, a roller 33, a rolling groove 34, a reinforcing rod 35 and a triangular plate 36, wherein the lower side of the lower die 4 is fixed with the folding plate 31 at both ends, the reinforcing rod 35 is fixed at the upper end between the two folding plates 31, the triangular plate 36 is fixed between the folding plate 31 and the workbench 1, the upper die 6 is fixed with the fixing seat 32 at both ends, the roller 33 is rotatably connected to the fixing seat 32 at both ends, and the rolling groove 34 corresponding to the roller 33 is formed in one end of the folding plate 31.

[0033] By adopting the above technical scheme, when the upper die 6 moves downward, the rollers 33 at both ends of the fixing seat 32 of the upper die 6 roll in the rolling groove 34 in one end of the folding plate 31, the rollers 33 roll in the rolling groove 34 of the folding plate 31 to guide the movement of the upper die 6, the reinforcing rod 35 is arranged at the upper end between the two folding plates 31, and the triangular plate 36 is arranged between the folding plate 31 and the workbench 1 to make the two folding plates 31 more stable, the guide assembly 3 can improve the die closing precision of the upper die 6 and the lower die 4, and avoid the misalignment of the die closing of the upper die 6 and the lower die 4 to affect the stamping quality.

[0034] Specifically, the roller 33 is rotatably connected to the fixing seat 32 through a shaft pin, and the folding plate 31 and the lower die 4 and the reinforcing rod 35 and the folding plate 31 are all welded through pressure welding.

[0035] By adopting the above technical scheme, the roller 33 can rotate on the fixing seat 32, and the pressure welding makes the folding plate 31 and the lower die 4 and the reinforcing rod 35 and the folding plate 31 more firm.

[0036] When the embodiment is used, the guide assembly 3 is arranged, when the upper die 6 moves downward, the rollers 33 at both ends of the fixing seat 32 of the upper die 6 roll in the rolling groove 34 in one end of the folding plate 31, the rollers 33 roll in the rolling groove 34 of the folding plate 31 to guide the movement of the upper die 6, the reinforcing rod 35 is arranged at the upper end between the two folding plates 31, and the triangular plate 36 is arranged between the folding plate 31 and the workbench 1 to make the two folding plates 31 more stable, the guide assembly 3 can improve the die closing precision of the upper die 6 and the lower die 4, and avoid the misalignment of the die closing of the upper die 6 and the lower die 4 to affect the stamping quality.

[0037] The motor 24 in the utility model is a prior art, and the selected model is Z60-55ZY.

[0038] The utility model discloses a working principle and use flow: the steel back mould for automobile brake pad production uses, installs the device in suitable position when using, puts the automobile brake pad needing to be punched into the lower mould 4, opens the cylinder 5 and pushes the upper die 6 and moves down to make the upper die 6 and the lower mould 4 die -lock to the automobile brake pad and carry out the stamping, through setting material pushing subassembly 2, the automobile brake pad stamping is completed after the upper die 6 moves up, opens the motor 24 and drives the screw rod 25 rotation, and the screw rod 25 rotation drives the sliding seat 26 to move in the cavity 21, and the sliding seat 26 removes and pushes up the sliding plate 22 through the rotating plate 27, and the rotating plate 27 rotates between the sliding plate 22 and the sliding seat 26, and the sliding plate 22 rises and can push out the automobile brake pad in the lower mould 4 through the jacking rod 23, and through setting material pushing subassembly 2, the automobile brake pad after stamping is conveniently pushed out from the lower mould 4, and it is convenient to take the material, and through fixing the limiting strip 210 at the both ends in the cavity 21, the sliding plate 22 can be limited, and the T block 28 of the sliding seat 26 lower end can slide in the T groove 29 when the sliding seat 26 moves, and setting T block 28 and T groove 29 make the sliding seat 26 move more stable, through setting the guide component 3, when the upper die 6 moves down, the roller 33 of the fixed seat 32 both ends of the upper die 6 both ends rolls in the rolling groove 34 of the flap 31 one end, and the roller 33 rolls in the rolling groove 34 of the flap 31 and guides the upper die 6 to move, and the reinforcing rod 35 is set between the two flaps 31 and the upper end, and the triangular plate 36 is set between the flap 31 and the workbench 1, so that the two flaps 31 are more stable, and through setting the guide component 3, the die -lock precision of the upper die 6 and the lower mould 4 can be improved, and the stamping quality is avoided to be affected by the misregistration of the upper die 6 and the lower mould 4.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steel backing mold for producing automotive brake pads, comprising a workbench (1), wherein a lower mold (4) is fixed at the middle position of the upper end of the workbench (1), a fixing frame (7) is fixed on one side of the upper end of the workbench (1), a cylinder (5) is installed at the upper end of the fixing frame (7) corresponding to the lower mold (4), and an upper mold (6) is provided at the output end of the cylinder (5), characterized in that: A guide assembly (3) is arranged between the upper die (6) and the lower die (4), and a material ejecting assembly (2) is arranged at a position corresponding to the lower die (4) in the workbench (1); The material ejecting assembly (2) comprises a cavity (21), a sliding plate (22), a ejector rod (23), a motor (24), a screw rod (25), a sliding seat (26) and a rotating plate (27), wherein the cavity (21) is arranged at a position corresponding to the lower die (4) in the workbench (1), the motor (24) is arranged at one end of the cavity (21), the screw rod (25) is arranged at the output end of the motor (24), the sliding seat (26) is threadedly connected to one side of the screw rod (25), the sliding seat (26) is tightly arranged at the lower end of the cavity (21), the sliding plate (22) is arranged at the upper side of the screw rod (25), the sliding plate (22) and the sliding seat (26) are connected through the rotating plate (27), and the ejector rod (23) is arranged at the upper end of the sliding plate (22).

2. The steel back mold for producing automobile brake pads according to claim 1, characterized in that: The material ejecting assembly (2) further comprises a T-shaped block (28), a T-shaped groove (29) and a limiting strip (210), wherein the limiting strip (210) is arranged at both ends of the cavity (21), the T-shaped block (28) is arranged at the lower end of the sliding seat (26), and the T-shaped groove (29) corresponding to the T-shaped block (28) is arranged in the workbench (1).

3. The steel back mold for producing automobile brake pads according to claim 1, characterized in that: The rotating plate (27) and the sliding plate (22) are rotatably connected through an axle pin, and the rotating plate (27) and the sliding seat (26) are rotatably connected through an axle pin.

4. The steel back mold for producing automobile brake pads according to claim 2, characterized in that: When the lower end of the sliding plate (22) is in contact with the upper end of the limiting strip (210), the upper end of the ejector rod (23) is flush with the lower end of the lower die (4), and the two ends of the sliding plate (22) are tightly arranged on the inner wall of the cavity (21).

5. The steel back mold for producing automobile brake pads according to claim 1, characterized in that: The guide assembly (3) comprises a folding plate (31), a fixing seat (32), a roller (33), a rolling groove (34), a reinforcing rod (35) and a triangular plate (36), wherein the folding plate (31) is arranged at the lower end of the lower die (4), the reinforcing rod (35) is arranged at the upper end between the two folding plates (31), the triangular plate (36) is arranged between the folding plate (31) and the workbench (1), the fixing seat (32) is arranged at the two ends of the upper die (6), the roller (33) is rotatably connected to the two ends of the fixing seat (32), and the rolling groove (34) corresponding to the roller (33) is arranged at one end of the folding plate (31).

6. The steel back mold for producing automobile brake pads according to claim 5, characterized in that: The roller (33) and the fixing seat (32) are rotatably connected through an axle pin, and the folding plate (31) and the lower die (4) are welded through pressure welding, and the reinforcing rod (35) and the folding plate (31) are welded through pressure welding.

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