Punching machine feeding limiting structure for automobile accessory raw material steel sheet

Abstract

The utility model discloses a punch press feeding limiting structure for automobile accessory raw material steel sheets, which comprises a rack and the steel sheets, a feeding device body is fixedly mounted at the upper end of the rack, and two arc-shaped supports are fixedly mounted on the left end side wall, close to a feeding port, of the feeding device body. A plurality of guide rollers are horizontally and rotatably arranged between the opposite side walls, close to the arc-shaped upper end faces, of the two arc-shaped supports in a penetrating mode, and two guide wheels are fixedly installed at the upper ends, close to the arc-shaped supports, of the feeding device body. According to the steel sheet feeding device, a steel sheet is placed on the guide rollers on the two arc-shaped supports, penetrates through the two guide wheels and then is conveyed into the feeding device body, and the hydraulic cylinder is matched with the sealing sleeve and the first U-shaped frame to drive the first limiting roller and the steel sheet to be pressed and limited, so that the steel sheet can be stably guided into the feeding device body; and meanwhile, the small air cylinder drives the second limiting roller to press and limit the steel sheet at the discharging opening, deviation generated when the steel sheet carries is prevented, and the follow-up punching machine machining effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch press processing technical field especially relates to a punch press feed limiting structure for automobile accessory raw material steel sheet. BACKGROUND

[0002] The automobile accessory raw material steel sheet is usually made of stainless steel or other high-strength steel after heat treatment and finishing, has the characteristics of high precision, high tensile strength, good smoothness and toughness, is not easy to break, and plays an important role in automobile manufacturing, and is used to form the frame and support of automobile parts.

[0003] At present, when the automobile accessory raw material steel sheet is placed on the punch press for processing, the worker needs to correct the position of the steel sheet in the punch press, which has safety hazards and can easily cause deviation of the steel sheet, affecting the processing effect of the punch press. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a punch press feed limiting structure for automobile accessory raw material steel sheet to solve the technical problems in the background art that when the automobile accessory raw material steel sheet is placed on the punch press for processing, the worker needs to correct the position of the steel sheet in the punch press, which has safety hazards and can easily cause deviation of the steel sheet, affecting the processing effect of the punch press.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A punch press feed limiting structure for automobile accessory raw material steel sheet, comprising a rack and a steel sheet, the upper end of the rack is fixedly installed with a feeding device body, two arc-shaped supports are fixedly installed on the left end side wall of the feeding device body close to the feeding port, a plurality of guide rollers are horizontally rotatably penetrated between the opposite side walls of the arc-shaped upper end faces of the two arc-shaped supports, two guide wheels are fixedly installed on the upper end of the feeding device body close to the arc-shaped supports, a feed limiting mechanism is arranged on the left side wall of the feeding device body above the feeding port, a supporting seat is fixedly connected to the right side wall of the feeding device body close to the discharge port, and a discharge limiting assembly is arranged on the upper end of the supporting seat away from the feeding device body.

[0007] Preferably, the plurality of guide rollers are arranged at equal intervals along the arc-shaped upper end face of the arc-shaped support, the two guide wheels are arranged vertically with the guide rollers, and the steel sheet is arranged on the plurality of guide rollers and in sliding abutment with the annular side walls of the two guide wheels.

[0008] Preferably, the feeding limiting mechanism comprises a fixed seat fixedly connected to the left end sidewall of the feeding device body, the fixed seat is located directly above the feeding port of the feeding device body, a hydraulic cylinder is fixedly installed at the lower end of the fixed seat, a sealing sleeve is fixedly connected to the lower end of the piston rod of the hydraulic cylinder, a fixed rod is vertically movably penetrated through the bottom of the center position of the sealing sleeve, a piston is fixedly connected to the upper end of the fixed rod located in the sealing sleeve, the piston is in sliding sealing abutment with the annular inner wall of the sealing sleeve, a circular block is fixedly connected to the lower end of the fixed rod, a buffer spring is sleeved to the end of the fixed rod located outside the sealing sleeve, the buffer spring is fixedly connected to the upper end of the circular block, a threaded protrusion is arranged at the lower end of the center position of the circular block, a first U-shaped frame is arranged below the circular block, the threaded protrusion is vertically penetrated through the horizontal section of the first U-shaped frame, a nut is threadedly sleeved to the threaded protrusion, the nut is in abutment and compression with the top surface of the first U-shaped frame, a first limiting roller is fixedly installed in the first U-shaped frame, the first limiting roller is in rolling abutment with the steel sheet, and an exhaust hole is arranged on the annular inner wall close to the top surface of the sealing sleeve.

[0009] Preferably, the fixed rod, the circular block and the threaded protrusion are integrally formed by casting.

[0010] Preferably, the discharging limiting assembly comprises a second U-shaped frame fixedly connected to the support seat away from the upper end of the feeding device body, a small-sized air cylinder is fixedly installed at the upper end of the center position of the second U-shaped frame, the lower end of the piston rod of the small-sized air cylinder is vertically penetrated through the second U-shaped frame, a second limiting roller is fixedly installed at the lower end of the piston rod of the small-sized air cylinder, and the second limiting roller is in rolling abutment with the steel sheet.

[0011] Preferably, the guide rollers, the guide wheels, and the first limiting roller and the second limiting roller are made of wear-resistant alloy products.

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

[0013] 1. The steel sheet is placed on the guide rollers on the two arc-shaped supports, is fed into the feeding device body through the two guide wheels, and is pressed and limited by the first limiting roller driven by the hydraulic cylinder, the sealing sleeve and the first U-shaped frame, so that the steel sheet can be smoothly guided into the feeding device body, and the second limiting roller driven by the small-sized air cylinder is used for pressing and limiting the steel sheet at the discharging port, so that deviation of the steel sheet during feeding is prevented, and the subsequent punch processing effect is ensured.

[0014] 2. The sealing sleeve is lowered by the hydraulic cylinder, the air in the sealing sleeve is compressed by the fixed rod and the piston, and is slowly discharged through the exhaust hole, the buffer spring sleeved to the fixed rod is compressed by the sealing sleeve, the first limiting roller is always in abutment and compression with the steel sheet fed into the feeding device body, and the feeding of the steel sheet is further ensured to be smooth. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A perspective view of a punch feeding limiting structure for raw material steel sheets of automobile parts according to the present application is shown in the figure.

[0016] Figure 2 For Figure 1 A partial enlarged view of A in the figure.

[0017] Figure 3 A partial structure schematic view of a feeding limiting mechanism of a punch feeding limiting structure for raw material steel sheets of automobile parts according to the present application is shown in the figure.

[0018] In the figure: 1 frame, 2 steel sheet, 3 feeding device body, 4 arc-shaped support, 5 guide roller, 6 guide wheel, 7 support seat, 8 fixed seat, 9 hydraulic cylinder, 10 sealing sleeve, 11 fixed rod, 12 piston, 13 circular block, 14 buffer spring, 15 threaded protrusion, 16 first U-shaped frame, 17 nut, 18 first limiting roller, 19 exhaust hole, 20 second U-shaped frame, 21 small air cylinder, 22 second limiting roller. DETAILED DESCRIPTION

[0019] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0021] Reference Figures 1-3The utility model provides a punch feeding limiting structure for automobile accessory raw material steel sheet, which comprises a rack 1 and a steel sheet 2, and a feeding device body 3 is fixedly installed at the upper end of the rack 1, two arc-shaped supports 4 are fixedly installed on the left end side wall of the feeding device body 3 close to a feeding port, a plurality of guide rollers 5 are horizontally rotatably arranged between the opposite side walls close to the arc-shaped upper end surfaces of the two arc-shaped supports 4, the plurality of guide rollers 5 are arranged at equal intervals along the arc-shaped upper end surfaces of the arc-shaped supports 4, two guide wheels 6 are fixedly installed at the upper end of the feeding device body 3 close to the arc-shaped supports 4, the two guide wheels 6 are arranged vertically to the guide rollers 5, the two guide wheels 6 enable the steel sheet 2 to be straightly introduced into the feeding device body 3, the steel sheet 2 is arranged on the plurality of guide rollers 5 and in sliding abutting contact with the annular side walls of the two guide wheels 6, and the plurality of guide rollers 5 are used for providing limiting support for the steel sheet 2 introduced into the feeding device body 3.

[0022] A feeding limiting mechanism is arranged on the left side wall of the feeding device body 3 directly above the feeding port, the feeding limiting mechanism comprises a fixed seat 8 fixedly connected to the left end side wall of the feeding device body 3, the fixed seat 8 is directly above the feeding port of the feeding device body 3, a hydraulic cylinder 9 is fixedly installed at the lower end of the fixed seat 8, a sealing sleeve 10 is fixedly connected to the lower end of the piston rod of the hydraulic cylinder 9, a fixed rod 11 is vertically movably arranged on the bottom of the center position of the sealing sleeve 10, a piston 12 is fixedly connected to the upper end of the fixed rod 11 in the sealing sleeve 10, the piston 12 is in sliding sealing abutting contact with the annular inner wall of the sealing sleeve 10, a circular block 13 is fixedly connected to the lower end of the fixed rod 11, a buffer spring 14 is sleeved with one end of the fixed rod 11 outside the sealing sleeve 10, the buffer spring 14 is fixedly connected to the upper end of the circular block 13, a threaded protrusion 15 is arranged at the lower end of the center position of the circular block 13, a first U-shaped frame 16 is arranged below the circular block 13, the threaded protrusion 15 vertically penetrates the horizontal section of the first U-shaped frame 16, a nut 17 is threadedly sleeved with the threaded protrusion 15, the nut 17 is in abutting pressure with the top surface of the first U-shaped frame 16, the threaded protrusion 15 is fixed by penetrating the first U-shaped frame 16 and cooperating with the nut 17, so that the circular block 13 is fixed at the upper end of the first U-shaped frame 16, a first limiting roller 18 is fixedly installed in the first U-shaped frame 16, the first limiting roller 18 is in rolling abutting contact with the steel sheet 2, an exhaust hole 19 is arranged on the annular inner wall close to the top surface of the sealing sleeve 10, when the sealing sleeve 10 is driven by the hydraulic cylinder 9 to descend until the first limiting roller 18 is in abutting contact with the steel sheet 2, the first limiting roller 18 is stressed to compress the air in the sealing sleeve 10 by cooperating with the piston 12 and slowly discharge the air through the exhaust hole 19, at the same time, the buffer spring 14 sleeved with the fixed rod 11 is compressed when the sealing sleeve 10 descends, so that the first limiting roller 18 is always in abutting pressure with the steel sheet 2 introduced into the feeding device body 3, further ensuring that the steel sheet 2 can be smoothly fed, and the fixed rod 11, the circular block 13 and the threaded protrusion 15 are integrally casted.

[0023] The support seat 7 is fixedly connected to the right side wall of the feeding device body 3 close to the discharge port, and an outfeed limiting assembly is arranged at the upper end of the support seat 7 away from the feeding device body 3, the outfeed limiting assembly comprises a second U-shaped frame 20 fixedly connected to the upper end of the support seat 7 away from the feeding device body 3, a small-sized cylinder 21 is fixedly installed at the upper end of the center position of the second U-shaped frame 20, the lower end of the piston rod of the small-sized cylinder 21 is vertically arranged through the second U-shaped frame 20, and a second limiting roller 22 is fixedly installed at the lower end of the piston rod of the small-sized cylinder 21, the second limiting roller 22 is in rolling abutting contact with the steel sheet 2, the guide roller 5, the guide wheel 6, the first limiting roller 18 and the second limiting roller 22 are all made of wear-resistant alloy, the feeding device body 3 discharges the steel sheet 2 along the discharge port and guides the steel sheet 2 to the side punch (not shown in the figure), and the small-sized cylinder 21 on the second U-shaped frame 20 drives the second limiting roller 22 to press and limit the steel sheet 2 at the discharge port of the feeding device body 3, so that deviation of the steel sheet 2 when entering the punch (not shown in the figure) is prevented.

[0024] In use, the steel sheet is placed on the guide rollers 5 on the two arc-shaped supports 4, is fed into the feeding device body 3 through the two guide wheels 6, the hydraulic cylinder 9 on the fixed seat 8 is started to drive the first limiting roller 18 to press and limit the steel sheet 2 in cooperation with the sealing sleeve 10 and the first U-shaped frame 16, so that the steel sheet 2 can be smoothly guided into the feeding device body 3, the feeding device body 3 discharges the steel sheet 2 along the discharge port and guides the steel sheet 2 to the side punch (not shown in the figure), at the same time, the small-sized cylinder 21 on the second U-shaped frame 20 is started to drive the second limiting roller 22 to press and limit the steel sheet 2 at the discharge port of the feeding device body 3, so that deviation of the steel sheet 2 when entering the punch is prevented, and the machining effect of the subsequent punch is ensured, when the hydraulic cylinder 9 drives the sealing sleeve 10 to descend until the first limiting roller 18 is in abutting contact with the steel sheet 2, the first limiting roller 18 is stressed to compress the air in the sealing sleeve 10 and slowly discharge the air through the exhaust hole 19 in cooperation with the fixed rod 11 and the piston 12, at the same time, the sealing sleeve 10 is descending to compress the buffer spring 14 sleeved on the fixed rod 11, so that the first limiting roller 18 is always in abutting press with the steel sheet 2 fed into the feeding device body 3, and the feeding of the steel sheet 2 is further ensured to be smooth.

[0025] The above is only a preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A punch feeding limiting structure for a raw material steel sheet for an automobile part, comprising a frame (1) and a steel sheet (2), a feeding device body (3) being fixedly installed at an upper end of the frame (1), characterized in that, Two arc-shaped supports (4) are fixedly installed on the left end side wall of the feeding device body (3) close to the feeding port, a plurality of guide rollers (5) are horizontally rotatably arranged between the opposite side walls close to the arc-shaped upper end face of the arc-shaped supports (4), two guide wheels (6) are fixedly installed on the upper end of the feeding device body (3) close to the arc-shaped supports (4), a feeding limiting mechanism is arranged on the left side wall of the feeding device body (3) above the feeding port, and a support seat (7) is fixedly connected to the right side wall of the feeding device body (3) close to the discharging port.

2. The punch feeding limiting structure for a steel sheet for a piston ring according to claim 1, wherein The plurality of guide rollers (5) are arranged at equal intervals along the arc-shaped upper end face of the arc-shaped supports (4), the two guide wheels (6) are arranged vertically to the guide rollers (5), and the steel sheet (2) is arranged on the plurality of guide rollers (5) and in sliding abutment with the annular side wall of the two guide wheels (6).

3. The punch feeding limiting structure for a steel sheet for a part of an automobile according to claim 1, wherein The feeding limiting mechanism comprises a fixed seat (8) fixedly connected to the left end side wall of the feeding device body (3), the fixed seat (8) is located above the feeding port of the feeding device body (3), a hydraulic cylinder (9) is fixedly installed at the lower end of the fixed seat (8), a sealing sleeve (10) is fixedly connected to the lower end of the piston rod of the hydraulic cylinder (9), a fixed rod (11) is vertically movably arranged at the bottom of the center position of the sealing sleeve (10), a piston (12) is fixedly connected to the upper end of the fixed rod (11) in the sealing sleeve (10), the piston (12) is in sliding sealing abutment with the annular inner wall of the sealing sleeve (10), a circular block (13) is fixedly connected to the lower end of the fixed rod (11), a buffer spring (14) is sleeved on one end of the fixed rod (11) outside the sealing sleeve (10), the buffer spring (14) is fixedly connected to the upper end of the circular block (13), a threaded protrusion (15) is arranged at the lower end of the center position of the circular block (13), a first U-shaped frame (16) is arranged below the circular block (13), the threaded protrusion (15) is vertically arranged through the horizontal section of the first U-shaped frame (16), a nut (17) is threadedly sleeved on the threaded protrusion (15), the nut (17) is in abutting pressure with the top surface of the first U-shaped frame (16), a first limiting roller (18) is fixedly installed in the first U-shaped frame (16), the first limiting roller (18) is in rolling abutment with the steel sheet (2), and an exhaust hole (19) is arranged on the annular inner wall close to the top surface of the sealing sleeve (10).

4. The punch feeding limiting structure for a steel sheet for a part of an automobile according to claim 3, wherein The fixed rod (11), the circular block (13) and the threaded protrusion (15) are integrally cast.

5. The punch feeding limiting structure for a steel sheet for a part of an automobile according to claim 3, wherein The discharge limiting component comprises a second U-shaped frame (20) fixedly connected to the support seat (7) away from the upper end of the feeding device body (3), a small air cylinder (21) is fixedly installed at the upper end of the center position of the second U-shaped frame (20), the lower end of the piston rod of the small air cylinder (21) is vertically penetrated through the second U-shaped frame (20) and arranged, and the lower end of the piston rod of the small air cylinder (21) is fixedly installed with a second limiting roller (22), and the second limiting roller (22) is in rolling abutting contact with the steel sheet (2).

6. The punch feeding limiting structure for a steel sheet for a part of an automobile according to claim 5, wherein The guide roller (5), the guide wheel (6), and the first limiting roller (18) and the second limiting roller (22) are all wear-resistant alloy products.

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