Automobile sheet metal part punching device accurate in positioning

Abstract

The utility model discloses an automobile sheet metal part punching device accurate in positioning, and belongs to the technical field of punching equipment, an automatic feeding mechanism is arranged on the front side of the upper end of a vertical frame, and a punching mechanism is arranged on the rear side of the upper end of the vertical frame; the punching mechanism comprises a punching device for punching and corner trimming of the sheet metal part and a discharging device, the punching device is arranged on the rear side of the upper end of the vertical frame, and the discharging device is arranged on the left side of the punching device. By means of the mode, continuous automatic feeding is achieved through the automatic feeding mechanism, convenience and rapidness are achieved, and the operation efficiency is improved; precise positioning and punching of the sheet metal part are achieved through the punching device, automatic discharging of the punched sheet metal part is achieved through the discharging device, the whole process is highly automatic, manual operation is simplified, and working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to punching equipment technical field, concretely relates to a positioning accurate automobile sheet metal part punching device. BACKGROUND

[0002] As a traditional punching equipment, mechanical punch still gets application in some production scenes with low precision requirement and small batch. Its simple structure, convenient operation and low cost are suitable for some small enterprises or individual processing households. In order to meet the demand of large-scale production, automatic punching production line emerges as the times require. The production line can realize automatic feeding, automatic punching and automatic discharging, greatly improves production efficiency and product quality, and reduces labor cost.

[0003] Chinese patent CN220049666U discloses sheet metal part punching equipment, relates to a punching equipment technical field, aims to solve the problem that after punching, the sheet metal part will appear burr caused by uneven cutting force when the punch cuts the sheet metal part, and its technical scheme points are: sheet metal part punching equipment, including fixed block with workpiece groove and punching assembly above it, recess one is arranged at the center of the workpiece groove bottom surface, the bottom end of recess one is fixedly connected with the support column with the same axis as recess one, the punch of punching assembly is annular, and the bottom end of the punch forms an inwardly recessed inclined concave surface, the punch and the inner peripheral wall of recess one and the outer peripheral wall of support column are gap matched, and the gap of both is between 1 silk and 2 silk. The gap matching between punching assembly, recess one and support column makes the punch enter recess one, and the cutting force generated when the punch cuts the sheet metal part is more concentrated during punching, the burr generated after punching is reduced, and the overall performance of the formed part is ensured. However, the device still has the following problems:

[0004] The device needs manual feeding and positioning, reduces punching efficiency, and manual positioning is prone to inaccurate positioning, which leads to production of unqualified sheet metal parts and indirectly increases production cost.

[0005] Therefore, the utility model designs a positioning accurate automobile sheet metal part punching device to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above shortcomings of the prior art, the utility model provides a positioning accurate automobile sheet metal part punching device.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] A positioning accurate automobile sheet metal part punching device, characterized in that:

[0009] The upper end front side of the stand is provided with an automatic feeding mechanism, and the upper end rear side of the stand is provided with a punching mechanism.

[0010] The punching mechanism comprises a punching device for punching and chamfering the sheet metal part and a blanking device, the punching device is arranged at the upper end rear side of the stand, and the blanking device is arranged at the left side of the punching device.

[0011] Further, the automatic feeding mechanism comprises a limiting support, a limiting block and an automatic feeding device, the limiting support for placing the sheet metal part is fixedly connected to the upper end front side of the stand, the limiting block corresponding to the sheet metal part is fixedly connected to the upper end of the limiting support, and the automatic feeding device is arranged at the inner top of the stand.

[0012] Further, the automatic feeding device comprises a circulating feeding assembly, a connecting block, a protruding block, a giving-way slot, a fixed rod and a straight slot, the circulating feeding assembly is arranged at the inner top of the stand, the connecting block is arranged at the upper side of the circulating feeding assembly, the two protruding blocks are fixedly connected to the upper end of the connecting block, the giving-way slot is arranged at the lower end of the limiting support, the fixed rod is fixedly connected to the inner top of the stand in a left-right symmetrical manner, and the straight slots are arranged on the side walls of the fixed rod in a matched manner.

[0013] Further, the straight slots are limitingly and slidably connected to the connecting block.

[0014] Further, the punching device comprises a support, a push rod, a connecting plate, a punching block, a punching hole and an electromagnet, the support is fixedly connected to the upper end rear side of the stand, the four push rods are fixedly connected to the upper end of the support, the connecting plate is fixedly connected to the output ends of the push rods and penetrates through the support, the punching block is fixedly connected to the lower end of the connecting plate, the punching hole is arranged at the inner top of the stand, the punching block is slidably attached to the inner wall of the punching hole, and the electromagnet is fixedly connected to the side wall of the support.

[0015] Further, the punching block is slidably attached to the inner wall of the punching hole.

[0016] Further, the lower end of the electromagnet is attached to the upper end of the sheet metal part.

[0017] Further, the blanking device comprises a side plate, an air cylinder, a through slot and a blanking track, the side plate is fixedly connected to the left side wall of the support, the air cylinder is fixedly connected to the upper end of the side plate, the through slot corresponding to the output end of the air cylinder is arranged on the left side wall of the support, and the blanking track matched with the blanking of the air cylinder is arranged on the right side of the support.

[0018] Compared with the prior art, the automatic feeding mechanism realizes continuous automatic feeding, is convenient and fast, and improves work efficiency; the punching device realizes accurate positioning and punching of the sheet metal part, the blanking device realizes automatic blanking of the sheet metal part after punching, the whole process is highly automated, manual operation is simplified, and work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0020] Figure 1 A perspective view of the positioning-accurate automobile sheet metal part punching device of the present application Figure One ;

[0021] Figure 2 A front view of the positioning-accurate automobile sheet metal part punching device of the present application

[0022] Figure 3 A right view of the positioning-accurate automobile sheet metal part punching device of the present application

[0023] Figure 4 A perspective view of the positioning-accurate automobile sheet metal part punching device of the present application Figure Two ;

[0024] Figure 5 A perspective view of the positioning-accurate automobile sheet metal part punching device of the present application Figure Three ;

[0025] Figure 6 A Figure 5 enlarged view of position A in FIG.

[0026] The reference numbers in the drawings represent:

[0027] 1, stand; 10, sheet metal part; 2, automatic feeding mechanism; 21, limiting support; 22, limiting block; 23, automatic feeding device; 231, circulating feeding assembly; 232, connecting block; 233, protruding block; 234, accommodation groove; 235, fixed rod; 236, straight groove; 3, punching mechanism; 31, punching device; 311, support; 312, push rod; 313, connecting plate; 314, punching block; 315, punching hole; 316, electromagnet; 32, discharging device; 321, side plate; 322, air cylinder; 323, through groove; 324, discharging track. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 protection scope of the utility model.

[0029] In the following description, "left", "right", "front", "rear", "upper", "lower" are oriented with the perspective of the front view.

[0030] Embodiment one: in some embodiments, referring to the drawings of the specification Figures 1-6 A precise positioning automobile sheet metal part punching device, comprising a stand (1),

[0031] The upper end front side of the stand (1) is provided with an automatic feeding mechanism (2), and the upper end rear side of the stand (1) is provided with a punching mechanism (3);

[0032] The punching mechanism (3) comprises a punching device (31) for punching and chamfering the sheet metal part (10) and a discharging device (32), the punching device (31) is arranged at the upper end rear side of the stand (1), and the discharging device (32) is arranged at the left side of the punching device (31).

[0033] In the utility model, the automatic feeding mechanism (2) realizes continuous automatic feeding, which is convenient and fast, and improves the operation efficiency; the punching device (31) realizes punching of the sheet metal part (10), and the discharging device (32) realizes automatic discharging of the sheet metal part (10) after punching, the whole process is highly automated, manual operation is simplified, and the operation efficiency is improved.

[0034] The automatic feeding mechanism (2) comprises a limiting support (21), a limiting block (22) and an automatic feeding device (23), the limiting support (21) for placing the sheet metal part (10) is fixedly connected to the upper end front side of the stand (1), the limiting block (22) corresponding to the sheet metal part (10) is fixedly connected to the upper end of the limiting support (21), and the automatic feeding device (23) is arranged at the inner top of the stand (1);

[0035] The automatic feeding device (23) comprises a circulating feeding assembly (231), a connecting block (232), a protruding block (233), a letting-position slot (234), a fixed rod (235) and a straight slot (236), the circulating feeding assembly (231) is arranged at the inner top of the stand (1), the upper side of the circulating feeding assembly (231) is provided with the connecting block (232), the upper end of the connecting block (232) is fixedly connected with two protruding blocks (233), the lower end of the limiting support (21) is provided with the letting-position slot (234), the inner top of the stand (1) is fixedly connected with the fixed rod (235) in a left-right symmetrical mode, the side wall of the fixed rod (235) is provided with the straight slots (236) matched with each other, and the straight slots (236) are limitingly and slidably connected with the connecting block (232).

[0036] The circulating feeding assembly (231) comprises a driving motor, a driving wheel, a belt and a driven wheel, the driving motor is fixedly connected at the inner top of the stand (1), the output end of the driving motor is fixedly connected with the driving wheel, the inner top of the stand (1) is rotatably connected with the driven wheel, and the driving wheel is in transmission connection with the driven wheel through the belt.

[0037] In the utility model, the driving motor drives the belt to rotate through the driving wheel, the belt drives the connecting block (232) to move, the connecting block (232) drives the protruding block (233) to move, the connecting block (232) is moved to the inner side of the fixed rod (235) and is slid along the inner wall of the straight slot (236), meanwhile, the protruding block (233) abuts against the side wall of the sheet metal part (10) and drives the sheet metal part (10) to move to the rear side, and the automatic feeding of the sheet metal part (10) is realized.

[0038] The punching device (31) comprises a support (311), a push rod (312), a connecting plate (313), a punching block (314), a punching hole (315) and an electromagnet (316), the support (311) is fixedly connected to the upper end of the rear side of the stand (1), four push rods (312) are fixedly connected to the upper end of the support (311), and the output end of the push rod (312) is fixedly connected with the connecting plate (313) penetrating through the support (311); the lower end of the connecting plate (313) is fixedly connected with the punching block (314), and the inner top of the stand (1) is provided with the punching hole (315) corresponding to the punching block (314); the side wall of the support (311) is fixedly connected with the electromagnet (316), the punching block (314) is slidably connected with the inner wall of the punching hole (315), the lower end of the electromagnet (316) is connected with the upper end of the sheet metal part (10),

[0039] The blanking device (32) includes a side plate (321), a cylinder (322), a through slot (323) and a blanking track (324), the left side wall of the support (311) is fixedly connected with the side plate (321), the upper end of the side plate (321) is fixedly connected with the cylinder (322), the left side wall of the support (311) is provided with the through slot (323) corresponding to the output end of the cylinder (322), and the right side of the support (311) is provided with the blanking track (324) matched with the blanking of the cylinder (322).

[0040] In the utility model, the connecting plate (313) is driven by the push rod (312) output end to move downward, so that the punching block (314) cooperates with the stamping hole (315) to realize the corner repairing and punching of the sheet metal part (10), which is convenient and fast, and the sheet metal part (10) need not be moved to other devices for corner repairing, realizes the corner repairing and punching of the sheet metal part (10) at the same time, improves the operation efficiency; when the circulating feeding assembly (231) conveys the sheet metal part (10) to the lower side of the support (311), the electromagnet (316) is electrified to adsorb and fix the sheet metal part (10), after the punching is completed, the electromagnet (316) is de-energized to release the sheet metal part (10), the cylinder (322) output end passes through the through slot (323) and pushes the sheet metal part (10) to the blanking track (324) to realize automatic blanking, simplifies manual operation and improves operation efficiency.

[0041] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A precise positioning punching device for automobile sheet metal parts, comprising a stand (1), characterized in that: An automatic feeding mechanism (2) is provided on the front side of the upper end of the stand (1), and a punching mechanism (3) is provided on the rear side of the upper end of the stand (1); The punching mechanism (3) comprises a punching device (31) for punching and trimming the sheet metal part (10) and a blanking device (32); the punching device (31) is arranged on the rear side of the upper end of the stand (1), and the blanking device (32) is arranged on the left side of the punching device (31).

2. The automobile sheet metal punching device with precise positioning according to claim 1, characterized in that: The automatic feeding mechanism (2) comprises a limiting bracket (21), a limiting block (22) and an automatic feeding device (23); the front side of the upper end of the vertical frame (1) is fixedly connected to the limiting bracket (21) for placing the sheet metal part (10); the upper end of the limiting bracket (21) is fixedly connected to the limiting block (22) corresponding to the sheet metal part (10); and the automatic feeding device (23) is arranged on the inner top of the vertical frame (1).

3. The automobile sheet metal punching device with precise positioning according to claim 2, characterized in that: The automatic feeding device (23) comprises a circulating feeding assembly (231), a connecting block (232), a protrusion (233), a clearance groove (234), a fixing rod (235) and a straight groove (236); the circulating feeding assembly (231) is arranged at the top of the vertical frame (1); a connecting block (232) is arranged on the upper side of the circulating feeding assembly (231); two protrusions (233) are fixedly connected to the upper end of the connecting block (232); a clearance groove (234) is arranged at the lower end of the limiting bracket (21); a fixing rod (235) is fixedly connected to the top of the vertical frame (1) in a left-right symmetrical manner; and a straight groove (236) that cooperates with each other is arranged on the side wall of the fixing rod (235).

4. The automobile sheet metal punching device with precise positioning according to claim 3 is characterized in that: The straight groove (236) is connected to the connecting block (232) in a limited sliding manner.

5. The automobile sheet metal punching device with precise positioning according to claim 4, characterized in that: The punching device (31) comprises a bracket (311), a push rod (312), a connecting plate (313), a punching block (314), a punching hole (315) and an electromagnet (316). The bracket (311) is fixedly connected to the rear side of the upper end of the stand (1). Four push rods (312) are fixedly connected to the upper end of the bracket (311). The output ends of the push rods (312) pass through the bracket (311) and are fixedly connected to the connecting plate (313). The lower end of the connecting plate (313) is fixedly connected to the punching block (314). The top of the stand (1) is provided with a punching hole (315). The punching block (314) slides in contact with the inner wall of the punching hole (315). The electromagnet (316) is fixedly connected to the side wall of the bracket (311).

6. The automobile sheet metal punching device with precise positioning according to claim 5, characterized in that: The punching block (314) slides in contact with the inner wall of the punching hole (315).

7. The automobile sheet metal punching device with precise positioning according to claim 6, characterized in that: The lower end of the electromagnet (316) is in contact with the upper end of the sheet metal part (10).

8. The automobile sheet metal punching device with precise positioning according to claim 7, characterized in that: The blanking device (32) comprises a side plate (321), a cylinder (322), a through slot (323) and a blanking track (324); the side plate (321) is fixedly connected to the left side wall of the bracket (311); the cylinder (322) is fixedly connected to the upper end of the side plate (321); the through slot (323) corresponding to the output end of the cylinder (322) is provided on the left side wall of the bracket (311); and the blanking track (324) cooperating with the cylinder (322) for blanking is provided on the right side of the bracket (311).

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