Hardware stamping die with anti-blocking mechanism

Abstract

The hardware stamping die with the anti-blocking mechanism comprises a base, the base is connected with the two ends of a supporting frame, the supporting frame is connected with a hydraulic cylinder, the hydraulic cylinder is provided with a position sensor, the output end of the hydraulic cylinder penetrates through the supporting frame to be connected with an upper die plate, and the lower end of the upper die plate corresponds to a lower die plate. The hardware stamping die with the anti-blocking mechanism solves the problems that in the stamping process of an existing workpiece, due to abrasion and deformation of the die, loosening of devices, insufficient lubrication and the like, the workpiece is clamped, and the workpiece cannot be blocked. A workpiece is clamped in the lower die plate and can be taken out only through large force, meanwhile, during stamping, the workpiece is gradually abraded due to die abrasion, unreasonable die structural design, unstable materials and the like, tiny scrap iron is generated, at the moment, timely cleaning needs to be carried out, and the technical problem that abrasion of the stamping die is aggravated is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field, concretely is a hardware stamping die with prevent blocking mechanism. BACKGROUND

[0002] The utility model discloses a novel anti -blocking stamping die discloses a kind of stamping die technical field, including stamping box, the inner wall of stamping box is fixedly connected with first support plate, the inner wall of stamping box is symmetrically slidably connected with sliding rod, the outer wall of sliding rod is fixedly connected with first limit block, first spring is sleeved on the outer wall of sliding rod, and the both ends of first spring are fixedly connected with first limit block and stamping box respectively, first link block is fixedly connected to the end of sliding rod away from first limit block, side pressing plate is fixedly connected to the outer wall side of first link block, and first cylinder is fixedly installed on the upper surface of stamping box.The novel anti -blocking stamping die, by the cooperation between first link block, side pressing plate, first cylinder, second link block, upper pressing plate and lower pressing plate, it is convenient to carry out multidirectional stamping to stamping piece, and work efficiency and production quality are improved.

[0003] Stamping die usually includes upper die and lower die. The upper die is mainly composed of an upper die holder and a punch; the lower die is connected with the upper die, including a lower die holder and a limiting structure. In the existing process, the workpiece may be stuck due to die wear, deformation, device loosening, insufficient lubrication and other problems, and it needs a lot of force to take out the workpiece stuck in the lower die plate. At the same time, the workpiece may be gradually worn due to die wear, unreasonable die structure design, unstable material and other reasons during stamping, producing small iron filings, which needs to be cleaned in time to avoid the die wear.

[0004] Therefore, a hardware stamping die with anti-blocking mechanism is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a hardware stamping die with anti-blocking mechanism to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hardware stamping die with anti-blocking mechanism, including base, the base is connected with support frame at both ends, the support frame is connected with hydraulic cylinder, the hydraulic cylinder is provided with position sensor, the output end of the hydraulic cylinder passes through support frame and is connected with upper die plate, the lower end of the upper die plate corresponds to lower die plate, the lower die plate is connected and fixed with the top of ejector device.

[0007] Further, the ejection device comprises symmetrically arranged first hydraulic rods, the output ends of the first hydraulic rods are in contact with the output end of the hydraulic cylinder, one end of the first hydraulic rod is in communication with the hydraulic pipe, the other end of the hydraulic pipe is in communication with the second hydraulic rod, the output end of the second hydraulic rod is connected with a push block, the push block is slidably connected with a limiting groove of the bottom block, the edge corner position of the push block is in contact with the edge corner position of the jacking block, and the edge corner position of the push block and the edge corner position of the jacking block are both provided with arc surfaces, and the jacking block is slidably connected with a sliding groove of the bottom block.

[0008] Further, the bottom block is provided with a plurality of rejection grooves, one end of the rejection groove is in communication with the sliding groove, and the other end of the rejection groove is in communication with the collecting device.

[0009] Further, the collecting device comprises a plurality of rejection pipes, one end of the rejection pipe is in communication with the rejection groove, the other end of the rejection pipe passes through the cover plate and is in communication with the collecting box, and the collecting box is in communication with the vacuum pump through the breather pipe.

[0010] Further, the breather pipe is provided with a through groove at the upper end, and the through groove is provided with a filter screen.

[0011] Further, the jacking block is symmetrically provided with a sliding hole, the opposite ends of the sliding hole are slidably connected with one end of a jacking block, the other end of the jacking block is connected with one end of a first elastic member, the other end of the first elastic member is in contact with a limiting screw, the limiting screw is threadedly connected with the sliding hole, one end of the jacking block is connected with a connecting block, and the connecting block is connected with the workpiece jacking block.

[0012] Further, the cover plate is connected with one end of a second elastic member, and the other end of the second elastic member is connected with the bottom of the jacking block.

[0013] Compared with the prior art, the five hardware stamping dies with the anti-blocking mechanism have the following advantages:

[0014] (1) The position sensor is used to measure the distance of the workpiece, and it is found that the stamping workpiece is not ejected and the workpiece is stuck, so that the output end of the hydraulic cylinder drives the first hydraulic rod, the first hydraulic rod injects into the hydraulic pipe and then enters the second hydraulic rod, the second hydraulic rod drives the push block, and the push block causes the jacking block to rise, so that the jacking block ejects the stuck workpiece, and the second elastic member can automatically reset the jacking block after the jacking block ejects the stuck workpiece.

[0015] (2) When the hydraulic cylinder presses the formed workpiece, the vacuum pump and the breather pipe can inhale air into the rejection pipe, so that the iron filings are sucked into the collecting box, and since the breather pipe is higher than the bottom of the inner cavity of the collecting box, the iron filings sucked into the collecting box fall to the bottom of the inner cavity of the collecting box and do not cause the blocking phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the structure schematic view of the bottom of the utility model;

[0018] Figure 3 It is the structure schematic view of the ejector of the utility model;

[0019] Figure 4 It is the structure schematic view of the collecting device of the utility model;

[0020] Figure 5 It is the cross section structure schematic view of the utility model in the jacking block.

[0021] In the drawing: 1 - base, 2 - support frame, 3 - hydraulic cylinder, 4 - upper die plate, 5 - lower die plate, 6 - ejector, 61 - first hydraulic rod, 62 - hydraulic pipe, 63 - second hydraulic rod, 64 - push block, 65 - bottom block, 651 - limit slot, 652 - exclusion slot, 66 - jacking block, 661 - limit bolt, 662 - first elastic element, 663 - top block, 664 - connecting block, 7 - collecting device, 71 - exclusion pipe, 72 - second elastic element, 73 - cover plate, 74 - breather pipe, 75 - collecting box, 8 - vacuum pump. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely 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, not 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.

[0023] Please refer to Figures 1-5 A hardware stamping die with anti-blocking mechanism, including base 1, base 1 is connected with support frame 2 both ends, support frame 2 is connected with hydraulic cylinder 3, hydraulic cylinder 3 sets position sensor, hydraulic cylinder 3 output passes through support frame 2 and is connected with upper die plate 4, upper die plate 4 lower end corresponds to have lower die plate 5, lower die plate 5 is fixedly connected with the top of ejector 6, the workpiece distance is determined by position sensor and finds that stamping forming workpiece is not ejected, and workpiece jam phenomenon appears, so as to control hydraulic cylinder 3 and retract control ejector 6 and eject workpiece.

[0024] The ejecting device 6 comprises a first hydraulic rod 61 arranged symmetrically, the output end of the first hydraulic rod 61 is in contact with the output end of the hydraulic cylinder 3, the first hydraulic rod 61 is in communication with one end of a hydraulic pipe 62, the other end of the hydraulic pipe 62 is in communication with a second hydraulic rod 63, the output end of the second hydraulic rod 63 is connected with a push block 64, the push block 64 is in sliding connection with a limiting groove 651 arranged on the bottom block 65, the edge corner position of the push block 64 is in contact with the edge corner position of a jacking block 66, the edge corner position of the push block 64 and the edge corner position of the jacking block 66 are both arranged with arc surfaces, the jacking block 66 is in sliding connection with a sliding groove arranged on the bottom block 65, the position sensor is used to measure the distance of the workpiece, and it is found that the stamping forming workpiece is not ejected and the workpiece is stuck, so that the output end of the hydraulic cylinder 3 pushes the first hydraulic rod, the first hydraulic rod 61 injects liquid into the hydraulic pipe 62 and then into the second hydraulic rod 63, the second hydraulic rod 63 pushes the push block 64, and the push block makes the jacking block 66 rise, so that the jacking block 66 ejects the stuck workpiece.

[0025] The bottom block 65 is arranged with a plurality of exclusion grooves 652, one end of the exclusion grooves 652 is in communication with the sliding groove, and the other end of the exclusion grooves 652 is in communication with the collecting device 7, and the fine iron filings generated during stamping can fall on the jacking block 66 and be collected and discharged through the exclusion grooves 652.

[0026] The collecting device 7 comprises a plurality of exclusion pipes 71, one end of the exclusion pipes 71 is in communication with the exclusion grooves 652, the other end of the exclusion pipes 71 passes through a cover plate 73 and is in communication with a collecting box 75, the collecting box 75 is in communication with a vacuum pump 8 through an air pipe 74, when the hydraulic cylinder 3 presses down to form the workpiece, the vacuum pump 8 and the air pipe 74 can inhale air through the exclusion pipes 71, so as to suck the iron filings into the collecting box 75.

[0027] The upper end of the air pipe 74 is arranged with a penetrating groove, and a filter screen is installed in the penetrating groove, since the air pipe 74 is higher than the bottom of the inner cavity of the collecting box 75, the iron filings sucked in will fall on the bottom of the inner cavity of the collecting box 75 and will not cause the blocking phenomenon.

[0028] The jacking block 66 is symmetrically arranged with a sliding hole, the opposite ends of the sliding hole are in sliding clamping connection with a top block 663, one end of the top block 663 is connected with one end of a first elastic piece 662, the other end of the first elastic piece 662 is in contact with a limiting bolt 661, the limiting bolt 661 is in threaded connection with the sliding hole, one end of the top block 663 is clamped with a connecting block 664, the connecting block 664 is connected with a workpiece top block, and the workpiece top block is made according to the forming groove of the lower die plate 5.

[0029] The top of the cover plate 73 is connected with one end of a second elastic piece 72, the other end of the second elastic piece 72 is connected with the bottom of the jacking block 66, and the second elastic piece 72 can make the jacking block 66 automatically reset after jacking the stuck formed workpiece.

[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A hardware stamping die having an anti-blocking mechanism, comprising a base (1), characterized in that: The base (1) is connected with the support frame (2), the support frame (2) is connected with the hydraulic cylinder (3), the hydraulic cylinder (3) is provided with a position sensor, the output end of the hydraulic cylinder (3) passes through the support frame (2) and is connected with the upper die plate (4), the lower end of the upper die plate (4) corresponds to the lower die plate (5), and the lower die plate (5) is connected and fixed with the ejection device (6) at the top.

2. The hardware stamping die with an anti-blocking mechanism according to claim 1, characterized in that: The ejection device (6) comprises symmetrically arranged first hydraulic rods (61), the output end of the first hydraulic rod (61) is in contact with the output end of the hydraulic cylinder (3), one end of the first hydraulic rod (61) is communicated with the hydraulic pipe (62), the other end of the hydraulic pipe (62) is communicated with the second hydraulic rod (63), the output end of the second hydraulic rod (63) is connected with the push block (64), the push block (64) is slidably connected with the limiting groove (651) formed in the bottom block (65), the edge corner position of the push block (64) is in contact with the edge corner position of the jacking block (66), and the edge corner position of the push block (64) and the edge corner position of the jacking block (66) are both provided with arc surfaces.

3. The hardware stamping die with an anti-blocking mechanism according to claim 2, characterized in that: The bottom block (65) is provided with a plurality of rejection grooves (652), one end of the rejection groove (652) is communicated with the sliding groove, and the other end of the rejection groove (652) is communicated with the collecting device (7).

4. The hardware stamping die with an anti-blocking mechanism according to claim 3, characterized in that: The collecting device (7) comprises a plurality of rejection pipes (71), one end of the rejection pipe (71) is communicated with the rejection groove (652), the other end of the rejection pipe (71) passes through the cover plate (73) and is communicated with the collecting box (75), and the collecting box (75) is communicated with the vacuum pump (8) through the breather pipe (74).

5. The hardware stamping die with an anti-blocking mechanism according to claim 4, characterized in that: The breather pipe (74) is provided with a through groove at the upper end, and the through groove is provided with a filter screen.

6. The hardware stamping die with an anti-blocking mechanism according to claim 2, characterized in that: The jacking block (66) is symmetrically provided with a sliding hole, the opposite ends of the sliding hole are slidably connected with one end of the top block (663), the other end of the top block (663) is connected with one end of the first elastic member (662), the other end of the first elastic member (662) is in contact with the limiting bolt (661), the limiting bolt (661) is threadedly connected with the sliding hole, one end of the top block (663) is clamped with the connecting block (664), and the connecting block (664) is connected with the workpiece top block.

7. The hardware stamping die with an anti-blocking mechanism according to claim 4, characterized in that: The cover plate (73) is connected with one end of the second elastic member (72) at the top, and the other end of the second elastic member (72) is connected with the bottom of the jacking block (66).

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