Automobile part plate blanking system

Abstract

An automobile part plate blanking system comprises a feeding device, a blanking die and a control system, an upper die of the blanking die is provided with a waste cut-off punch on the front side of a pressing plate, and the waste cut-off punch is installed on an upper die base through a waste cutter fixing plate; and the lower die is provided with a lower die cutter block which is matched with the waste cutting punch to cut off the waste on the front side of the lower die plate, and the lower die cutter block is fixedly arranged on the lower die base through a lower die base plate. A camera used for capturing a plate image is installed on the bottom face of a pressing plate of the upper die, a displacement sensor used for monitoring the position of a plate in real time is installed on a feeding rack of the feeding device, and the camera and the displacement sensor are connected with the signal input end of a control system. And the signal output end of the control system is connected with the feeding driving mechanism and the punch driving device. The waste shearing device can complete the waste shearing procedure during workpiece blanking, has the advantages of being high in plate utilization rate, fragmentized in waste machining treatment, capable of effectively reducing the rejection rate and the like, and is easy to apply and popularize.

Description

TECHNICAL FIELD

[0001] The utility model relates to an automobile part machining frock, especially an automobile part plate material blanking system. BACKGROUND

[0002] In the existing automobile accessory stamping process, such as automobile belt wheel blank blanking or automobile hinge blank blanking, the blanking die usually only punches and blanks the workpiece, however, a large amount of waste material is generated after the material is punched, and the waste material needs to be transported to the waste material shearing equipment for shearing, the processing procedure is complex, and the production cost is high. Now some production enterprises adopt the blanking die provided with a waste punching device, but the blanking die still has the following disadvantages: after the workpiece plate material is conveyed into the blanking workpiece table, blanking processing is carried out first, then the remaining places of the plate material are directly treated and cut off as waste, and the utilization rate of the plate material is not high. SUMMARY

[0003] The utility model wants to solve the technical problem that provide a kind of automobile part plate material blanking system to solve the deficiency of the utilization rate of plate material not high of prior art.

[0004] The technical scheme for solving the above technical problem is: a kind of automobile part plate material blanking system, including feeding device, blanking die, control system, the blanking die includes upper die, lower die;Upper die includes upper die holder, punch fixed plate, punch, pressure plate, punch driving device;The lower die includes die, lower die plate, lower die holder;The feeding device includes feeding rack, conveying belt, feeding driving mechanism;The upper die is equipped with waste cutting punch in the front side of pressure plate, and the waste cutting punch is installed on the upper die holder by waste cutter fixed plate;The lower die is equipped with lower die cutter block in the front side of lower die plate, and the lower die cutter block is matched with waste cutting punch to realize the cutting of waste, and the lower die cutter block is fixedly installed on the lower die holder by lower die pad plate;The feeding rack of feeding device is also installed with displacement sensor for real-time monitoring plate material position, and the signal output end of displacement sensor is connected with the signal input end of control system, and the signal output end of control system is connected with feeding driving mechanism and punch driving device.

[0005] The further technical scheme of the utility model is that stripping plate is also installed between pressure plate and punch.

[0006] The still further technical scheme of the utility model is that die, lower die plate and lower die holder are all equipped with workpiece blanking hole in the position corresponding to punch;The lower die holder is equipped with waste blanking hole in the position corresponding to lower die cutter block.

[0007] The further technical scheme of the utility model discloses: the scrap cutting punch is half frame structure, and the scrap cutting punch is composed of a horizontal scrap cutting punch and vertical scrap cutting punches located at both sides of the horizontal scrap cutting punch.

[0008] The further technical scheme of the utility model discloses: the displacement sensor includes laser ranging or photoelectric sensor.

[0009] The further technical scheme of the utility model discloses: the upper die is also provided with a camera for capturing plate material image on the bottom surface of the pressing plate, and the signal output end of the camera is connected with the signal input end of the control system.

[0010] The further technical scheme of the utility model discloses: the upper wear plate is also installed on the bottom of the scrap cutter fixing plate of the front side of the scrap cutting punch, and the lower wear pad plate is also installed on the lower die holder, and the lower wear plate matched with the upper wear plate is arranged on one side of the wear pad plate.

[0011] Compared with the prior art, the automobile part plate material blanking system has the following beneficial effects:

[0012] 1. scrap shearing process can be completed when workpiece blanking

[0013] The blanking die is provided with a scrap cutting punch on the front side of the pressing plate, and the scrap cutting punch is installed on the upper die holder through a scrap cutter fixing plate; a lower die block is also arranged on the front side of the lower die plate correspondingly, and the side surface of the lower die block is matched with the scrap cutting punch to realize punching and cutting of scrap. When using, in the first stroke of the blanking die, the punch cuts down and cuts the workpiece, and the workpiece blanking forms a workpiece blank of required shape; the feeding device drives the plate material to continue feeding, and the blanking die carries out the second stroke, and the punch continues to cut down and cut the workpiece, and at this time, the scrap plate formed in the first stroke moves forward to the lower side of the scrap cutting punch, the scrap cutting punch moves downward with the upper die holder, and the scrap cutting punch and the lower die block cut the scrap plate. Therefore, the utility model can complete the scrap shearing process when the workpiece blanking.

[0014] 2. high plate material utilization rate

[0015] The utility model discloses a feeding device, blanking die, control system, wherein, on the feeding frame of feeding device installs the displacement sensor for real -time monitoring sheet metal position, the signal output end of this displacement sensor is connected with the signal input end of control system, and the signal output end of control system is connected with feeding drive mechanism, punch driving arrangement. When working, through this displacement sensor, can real -time monitoring sheet metal position to its acquisition sheet metal position information transmission to control system, and control system controls feeding drive mechanism to carry out left and right (horizontal) direction conveying sheet metal first, makes the blanking hole of punch cutting workpiece in a row left and right (horizontal) direction arrangement on sheet metal after, then control system controls feeding drive mechanism to carry out front and back (vertical) direction conveying sheet metal, and then carries out the blanking of second row workpiece according to left and right (horizontal) direction conveying sheet metal, and at this time, the position data detected through displacement sensor of control system, can accurately control the blanking hole of second row workpiece and the blanking of first row workpiece and misplace a certain position, thereby can make full use of sheet metal, and the same sheet metal can blank out more workpiece blank. Therefore, the sheet metal utilization rate of the utility model is higher.

[0016] 3. The processing of waste material can achieve fragmentation

[0017] In the existing blanking die, the waste punch is generally a long strip structure, which can only cut the waste of the workpiece into a long strip, and cannot cut the waste into a fragment. The waste cutting punch of the utility model adopts a half frame structure, and the waste cutting punch is composed of a horizontal waste cutting punch and longitudinal waste cutting punches located on both sides of the horizontal waste cutting punch. Similarly, the lower die knife block also adopts a half frame structure matched with the waste cutting punch, and the lower die knife block is composed of a horizontal lower die knife block and longitudinal lower die knife blocks located on both sides of the horizontal lower die knife block. The utility model can achieve horizontal cutting of the waste plate through the cooperation of the horizontal waste cutting punch and the horizontal lower die knife block, and can achieve vertical cutting of the waste plate through the cooperation of the longitudinal waste cutting punch and the longitudinal lower die knife block. Therefore, the utility model can achieve fragmentation of the waste, which greatly facilitates the subsequent processing of the waste.

[0018] 4. Can effectively reduce the waste rate

[0019] In the feeding and blanking process of the prior art, once the feeding program is wrong, the blanking punch may punch the wrong position, or the waste punch may cut the intact sheet, thereby increasing the waste rate. The blanking die of the utility model is provided with a camera on the upper die seat for capturing the image of the sheet, and the signal output end of the camera is connected with the signal input end of the control system. The utility model captures the image of the sheet by using a high-definition camera, which can enable the control system to accurately identify whether the sheet located below the blanking punch and the waste punch is correct, thereby avoiding the situation that the blanking punch punches the wrong position or the waste punch cuts the intact sheet, and effectively reducing the waste rate.

[0020] 5. The processing procedure is simple, and the production cost is low

[0021] The waste material shearing procedure can be completed when the workpiece is blanked, a large amount of waste material is not generated after the material is punched, and the waste material needs to be transported to the waste material shearing equipment for shearing, so that the processing procedure is simple, and the production cost is low.

[0022] The technical features of the automobile part plate blanking system will be further described below in combination with the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure diagram of the automobile part plate blanking system of the utility model,

[0024] Figure 2 The front view of the blanking die of the embodiment one,

[0025] Figure 3 : The left view of the blanking die, Figure 2 The bottom view of the blanking die,

[0026] Figure 4 : The bottom view of the blanking die, Figure 2 The top view of the blanking die,

[0027] Figure 5 The tail material schematic diagram of the plate after the workpiece is blanked and the waste material is cut off,

[0028] In the above drawings, the following is explained:

[0029] The feeding device,

[0030] 11-feeding frame, 12-conveying belt, 13-feeding driving mechanism, 14-displacement sensor,

[0031] 2-blanking die,

[0032] 21-upper die,

[0033] 211-upper die seat, 2111-die handle, 212-punch fixed plate, 213-punch, 214-pressing plate,

[0034] 215-material removal plate, 216-waste material cutting punch, 2161-horizontal waste material cutting punch, 2162-vertical waste material cutting punch,

[0035] 217-waste material knife fixed plate, 218-upper wear-resistant plate, 219-camera,

[0036] 22-lower die,

[0037] 221-die, 222-lower die plate, 223-lower die seat,

[0038] 224 - lower die knife block, 2241 - horizontal lower die knife block, 2242 - vertical lower die knife block,

[0039] 225 - lower die pad, 226 - wear-resistant pad, 227 - lower wear plate, 228 - foot pad, 229 - support plate,

[0040] 3 - sheet metal, 31 - blanking hole;

[0041] Q - front side, H - rear side. DETAILED DESCRIPTION Example one

[0042] A kind of automobile parts sheet blanking system, including feeding device 1, blanking die 2, control system, wherein:

[0043] The feeding device 1 described includes feeding frame 11, conveying belt 12, feeding drive mechanism 13;Feeding frame 11 is installed at the rear end of blanking die 2, conveying belt 12 is installed on feeding frame 11, and the conveying belt 12 is connected with the output end of feeding drive mechanism 13, feeding drive mechanism 13 adopts conventional structure.The feeding frame 11 described is also installed with displacement sensor 14 for real-time monitoring sheet metal position, and the displacement sensor 14 includes laser ranging or photoelectric sensor;The signal output end of displacement sensor 14 is connected with the signal input end of control system, and the signal output end of control system is connected with feeding drive mechanism, punch driving device.Through the displacement sensor 14, the distance of sheet metal 3 movement can be accurately measured, to ensure the accuracy of each feeding.

[0044] The blanking die 2 described includes upper die 21 and lower die 22;The upper die 21 described includes upper die seat 211, punch fixed plate 212, punch 213, pressing plate 214, stripping plate 215, punch driving device;The upper die seat 211 is equipped with die handle 2111, and is connected with the punch driving device of punch press through the die handle 2111, and the punch driving device is the conventional structure (the punch driving device is not shown in the figure) Figures 1-4The punch fixing plate 212 is fixed on the bottom end face of the upper die holder 211, and the punch 213 is fixedly installed on the punch fixing plate 212. The blank holder 214 is arranged below the punch fixing plate 212, and the blank holder 214 is provided with a through hole for passing through the punch fixing plate 212 and the punch 213, and the stripper plate 215 is installed between the blank holder 214 and the punch 213; the waste cutting punch 216 is further arranged on the front side of the blank holder 214, and the waste cutting punch 216 is installed on the bottom of the waste knife fixing plate 217 which is installed on the upper die holder 211; the waste cutting punch 216 is a half frame structure, and the waste cutting punch 216 is composed of a horizontal waste cutting punch 2161 and vertical waste cutting punches 2162 arranged on both sides of the horizontal waste cutting punch 2161 respectively; the upper wear plate 218 is further installed on the bottom of the waste knife fixing plate 217 on the front side of the waste cutting punch 216. The upper die 21 is further provided with a camera 219 for capturing the image of the plate material on the bottom surface of the blank holder 214, and the signal output end of the camera 219 is connected with the signal input end of the control system.

[0045] The lower die 22 includes a concave die 221, a lower die plate 222, and a lower die holder 223, and the lower die 22 is provided with a lower die knife block 224 on the front side of the lower die plate 222, and the lower die knife block 224 cooperates with the waste cutting punch 216 to realize the cutting of waste materials; the lower die knife block 224 is fixedly installed on the lower die holder 223 through the lower die gasket plate 225. The lower die knife block 224 is a half frame structure matched with the waste cutting punch 216, and the lower die knife block 224 is composed of a horizontal lower die knife block 2241 and vertical lower die knife blocks 2242 arranged on both sides of the horizontal lower die knife block 2241 respectively. The concave die 221, the lower die plate 222, and the lower die holder 223 are all provided with a workpiece blanking hole at the position corresponding to the punch 213, and the lower die holder 223 is provided with a waste blanking hole at the position corresponding to the lower die knife block 224.

[0046] The lower die holder 223 is further provided with a wear gasket plate 226, and the lower die holder 223 is further provided with a lower wear plate 227 matched with the upper wear plate 218 on one side of the wear gasket plate 226. The lower die holder 223 is further provided with a supporting plate 229 below, and the supporting plate 229 is connected with the lower die holder 223 through the supporting leg 228.

[0047] The upper die 21 and the lower die 22 are further provided with a guide device for guiding (not shown in the figure), and the guide device is a common guide device in a die, including a guide seat, a guide column, etc. Figures 1-4

[0048] Figure 5 ​As shown in the middle, the workpiece automobile belt wheel blank is in the blanking process, the workpiece blanking and the tail structure schematic diagram of the plate material after cutting off the waste material. Of course, the punch, the lower die cutter block of the utility model can be replaced according to the processing of different products, so as to punch and cut into different products required, such as it can also be used for punching and cutting automobile hinge blank and the like.

[0049] The working process of the utility model is as follows:

[0050] The feeding device 1 quantitatively transports the workpiece plate material to the lower die, opens the punch press, the upper die seat 211 drives the punch 213 to move downward through the punch fixing plate 212, the pressing plate 214 presses the strip-shaped plate material, the punch 213 continues to move downward to punch and cut the material required by the workpiece from the strip-shaped plate material, and the punched workpiece falls from the workpiece blanking hole; after punching, the punch 213 moves upward to the initial position.

[0051] The feeding device 1 continues to transport the next section of workpiece plate material to the lower die, and the waste plate material moves forward; at this time, the punch 213 moves downward to perform the next punching work, and the waste cutting punch 216 moves downward with the upper die seat 211, the waste cutting punch 216 cooperates with the lower die cutter block 224 to cut off the waste plate, and the remaining waste material falls from the waste blanking hole after cutting.

[0052] Specifically, the displacement sensor installed on the feeding device feeding rack can monitor the plate material position in real time, and transmit the plate material position information collected by the displacement sensor to the control system, the control system first controls the feeding driving mechanism to transport the plate material in the left-right (horizontal) direction, so that the punch forms a row of blanking holes arranged in the left-right (horizontal) direction on the plate material after punching the workpiece; then the control system controls the feeding driving mechanism to transport the plate material in the front-back (vertical) direction, and then transports the plate material in the left-right (horizontal) direction to blank the second row of workpieces, at this time, the position data detected by the displacement sensor can accurately control the blanking holes of the second row of workpieces to be staggered with the blanking holes of the first row of workpieces (see Figure 5 ), so that the plate material can be fully utilized, and the same plate material can blank more workpiece blanks.

[0053] The above process is repeated, so that the continuous blanking of the workpiece and the cutting of the waste material can be realized.

Claims

1. An automobile parts sheet blanking system, comprising a feeding device (1), a blanking die (2), a control system, the blanking die (2) comprising an upper die (21) and a lower die (22); the upper die (21) comprising an upper die seat (211), a punch fixing plate (212), a punch (213), a pressing plate (214), and a punch driving device; the lower die (22) comprising a concave die (221), a lower die plate (222), and a lower die seat (223); the feeding device (1) comprising a feeding frame (11), a conveying belt (12), and a feeding driving mechanism (13); characterized in that: The upper die (21) is provided with a waste cutting punch (216) on the front side of the pressing plate (214), and the waste cutting punch (216) is installed on the upper die seat (211) through a waste cutter fixing plate (217); the lower die (22) is provided with a lower die cutter block (224) on the front side of the lower die plate (222), and the lower die cutter block (224) is matched with the waste cutting punch (216) to realize the cutting of waste, and the lower die cutter block (224) is fixedly installed on the lower die seat (223) through a lower die gasket (225); the feeder frame (11) of the feeding device (1) is also provided with a displacement sensor (14) for monitoring the position of the plate in real time, and the signal output end of the displacement sensor (14) is connected with the signal input end of the control system, and the signal output end of the control system is connected with the feeding driving mechanism and the punch driving device.

2. The system of claim 1, wherein: A stripper plate (215) is also installed between the pressing plate (214) and the punch (213).

3. The automotive parts blanking system as claimed in claim 2, wherein: The concave die (221), the lower die plate (222) and the lower die seat (223) are all provided with a workpiece blanking hole at the position corresponding to the punch (213); and the lower die seat (223) is provided with a waste blanking hole at the position corresponding to the lower die cutter block (224).

4. The system for cutting sheet metal for automotive parts of claim 1, wherein: The waste cutting punch (216) is a half-frame structure, which is composed of a horizontal waste cutting punch and vertical waste cutting punches located on both sides of the horizontal waste cutting punch; the lower die cutter block (224) is a half-frame structure matched with the waste cutting punch (216), which is composed of a horizontal lower die cutter block (2241) and vertical lower die cutter blocks (2242) located on both sides of the horizontal lower die cutter block (2241).

5. The system for cutting sheet metal for automotive parts of claim 1, wherein: The displacement sensor includes a laser ranging or photoelectric sensor.

6. The system of claim 1, wherein: The upper die (21) is also provided with a camera (219) for capturing the image of the plate on the bottom surface of the pressing plate (214), and the signal output end of the camera (219) is connected with the signal input end of the control system.

7. The system of claim 1, wherein: An upper wear-resistant plate (218) is also installed on the bottom of the waste cutter fixing plate (217) on the front side of the waste cutting punch (216); and a wear-resistant gasket (226) is also installed on the lower die seat (223), and a lower wear-resistant plate (227) matched with the upper wear-resistant plate (218) is arranged on one side of the wear-resistant gasket (226).

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