阅读说明：本技术 一种镁合金板冲压装置 (magnesium alloy plate stamping device ) 是由 唐靖林 梁丽 白洁 于 2019-10-29 设计创作，主要内容包括：本发明提供了一种镁合金板冲压装置,涉及镁合金加工设备领域,包括机架、定位机构以及冲压机构,其中,镁合金板放置在下模组件上,上模组件与下模组件配合夹紧镁合金板,第一液压油缸推动推板和冲头向下运动,冲头在上模组件的通孔内向下运动,直至冲头的下端挤压位于通孔内的镁合金板,完成镁合金板的冲压过程,由于上模组件的冲头的位置提前固定,因此能够保证冲压完成的镁合金板的开孔位置准确；另外在冲压镁合金板时,上模组件以及下模组件夹紧镁合金板,能够有效降低对开孔位置以外镁合金板的影响,降低镁合金板的变形程度,进而降低废品率。(The invention provides an magnesium alloy plate punching device, which relates to the field of magnesium alloy processing equipment and comprises a rack, a positioning mechanism and a punching mechanism, wherein a magnesium alloy plate is placed on a lower die assembly, an upper die assembly and the lower die assembly are matched to clamp the magnesium alloy plate, a hydraulic oil cylinder pushes a push plate and a punch to move downwards, the punch moves downwards in a through hole of the upper die assembly until the lower end of the punch extrudes the magnesium alloy plate positioned in the through hole, and the punching process of the magnesium alloy plate is completed.)

The magnesium alloy plate stamping device is characterized by comprising a rack, a positioning mechanism and a stamping mechanism, wherein the rack comprises a base, a cross beam and a plurality of groups of stand columns, the upper end and the lower end of each stand column are fixedly connected with the cross beam and the base respectively, the positioning mechanism comprises an upper die assembly and a lower die assembly opposite to the upper die assembly, the upper die assembly and the lower die assembly are matched to clamp a magnesium alloy plate, opposite through holes are formed in the upper die assembly and the lower die assembly, the stamping mechanism comprises a th hydraulic cylinder, a push plate and a plurality of groups of punches positioned on the lower surface of the push plate, the bottom of a th hydraulic cylinder is fixedly connected with the cross beam, the free end of a th hydraulic cylinder is fixedly connected with the middle part of the push plate, sliding holes in sliding connection with the stand columns are formed in the two sides of the push plate, and when the magnesium alloy.

2. The magnesium alloy plate stamping device of claim 1, wherein, the upper die assembly includes a fixed plate, the fixed plate is fixedly connected with the upright post, the lower die assembly includes a second hydraulic cylinder and a floating plate pushed by the second hydraulic cylinder, the bottom of the second hydraulic cylinder is fixedly connected with the base, the free end of the second hydraulic cylinder is fixedly connected with the floating plate, and the through hole is opened on the fixed plate and the floating plate.

3. The kinds of magnesium alloy plate stamping devices of claim 2, wherein the fixed plate and the floating plate are provided with backing plates on opposite sides.

4. The kinds of magnesium alloy plate stamping devices of claim 3, wherein the stand column is provided with a screw hole, two ends of the fixing plate are provided with internal threads with the same specification as the screw hole, and the fixing plate is fixed on the stand column through a bolt matched with the internal threads.

5. The stamping device of magnesium alloy plates as claimed in any of claims 1-4, wherein a buffer assembly is provided between the push plate and the cross beam.

6. The magnesium alloy plate stamping device of claim 5, wherein, the buffer assembly includes a sleeve, a slide bar and an elastic component, the end of the sleeve is fixedly connected with the lower surface of the cross beam, the elastic component is located in the sleeve, and the slide bar is in sliding fit with the inner wall of the sleeve.

7. The kinds of magnesium alloy plate stamping device of claim 6, wherein, the elastic component is a spring component.

Technical Field

The invention relates to the field of magnesium alloy processing equipment, in particular to a magnesium alloy plate stamping device.

Background

At present, the pattern that china is mainly based on combination formula steel form has broken, and novel template, especially the development speed of aluminium template is very fast, but the weight of monolithic aluminum alloy template still has more than 30 kilograms, and in addition, because the aluminum alloy is neutral metal, the aluminum alloy corrodes easily under alkaline concrete environment, causes phenomenons such as concrete surface pothole and pitted surface.

The density of the magnesium alloy is only two thirds of that of the aluminum alloy, and the magnesium alloy has great advantages due to the advantage of light weight if the magnesium alloy is used for building templates, but the following problems exist when the magnesium alloy is used for manufacturing the building templates:

the hot extrusion technology of the magnesium alloy is horizontally stripped from the hot extrusion technology of the aluminum alloy, the development time is short, the extrusion technology or other processing technologies are relatively low, the precision is low when a large-size section is processed, the size, the distance and the like of the holes are measured by a meter ruler, the holes are formed by using handheld drilling equipment, the size and the distance of the holes are difficult to accurately control, and the applicable yield is low.

And the magnesium alloy template is easy to deform and the like in the punching process, and when the deformation of the magnesium alloy template reaches certain degree, the magnesium alloy template is scrapped, so that the rejection rate of the magnesium alloy template is high.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide magnesium alloy plate stamping devices for improving the yield of magnesium alloy plates.

The invention is realized by the following technical scheme that the magnesium alloy plate stamping device comprises a rack, a positioning mechanism and a stamping mechanism, wherein the rack comprises a base, a beam and a plurality of groups of upright columns, the upper end and the lower end of each upright column are respectively and fixedly connected with the beam and the base, the positioning mechanism comprises an upper die assembly and a lower die assembly opposite to the upper die assembly, the upper die assembly and the lower die assembly are matched to clamp a magnesium alloy plate, the upper die assembly and the lower die assembly are provided with opposite through holes, the stamping mechanism comprises a hydraulic oil cylinder, a push plate and a plurality of groups of punches positioned on the lower surface of the push plate, the bottom of a hydraulic oil cylinder is fixedly connected with the beam, the free end of a hydraulic oil cylinder is fixedly connected with the middle part of the push plate, the two sides of the push plate are provided with.

The magnesium alloy plate is placed on the lower die assembly, the upper die assembly and the lower die assembly are matched to clamp the magnesium alloy plate, the upper edge and the lower edge of the magnesium alloy plate are respectively attached and extruded by the upper die assembly and the lower die assembly, the th hydraulic oil cylinder pushes the push plate and the punch to move downwards, the punch moves downwards in the through hole of the upper die assembly until the lower end of the punch extrudes the magnesium alloy plate in the through hole, and the punching process of the magnesium alloy plate is completed.

According to the above technical scheme, preferably, the upper die assembly comprises a fixing plate, the fixing plate is fixedly connected with the stand column, the lower die assembly comprises a second hydraulic cylinder and a floating plate pushed by the second hydraulic cylinder, the bottom of the second hydraulic cylinder is fixedly connected with the base, the free end of the second hydraulic cylinder is fixedly connected with the floating plate, through holes are formed in the fixing plate and the floating plate, a magnesium alloy plate is placed on the floating plate by a worker, the second hydraulic cylinder pushes the floating plate and the magnesium alloy plate to move upwards until the floating plate and the fixing plate compress the magnesium alloy plate, and the through holes of the floating plate and the fixing plate are aligned at the moment.

According to the technical scheme, the opposite sides of the fixed plate and the floating plate are preferably provided with the base plates, the base plates can adopt rubber pads and the like, the magnesium alloy plate can be effectively prevented from sliding, and meanwhile, the surface of the magnesium alloy plate can be prevented from being damaged.

According to the technical scheme, preferably, the upright post is provided with the screw hole, the two ends of the fixing plate are provided with the internal threads with the same specifications as the screw hole, the fixing plate is fixed on the upright post through the bolt matched with the internal threads, and the fixing plate and the floating plate matched with each other need to be replaced due to different opening positions of the magnesium alloy plate, so that the fixing plate can be replaced quickly and efficiently through thread matching.

According to the technical scheme, preferably, the buffer assembly is arranged between the push plate and the cross beam, so that the push plate can be stably lifted.

According to the technical scheme, preferably, the buffering assembly comprises a sleeve, a sliding rod and an elastic part, the end of the sleeve is fixedly connected with the lower surface of the cross beam, the elastic part is located in the sleeve, the sliding rod is in sliding fit with the inner wall of the sleeve, the buffering assembly is convenient to mount, and an excellent buffering effect can be achieved.

According to the technical scheme, the elastic component is preferably a spring component, and the cost is low.

The magnesium alloy plate punching die has the advantages that a magnesium alloy plate is placed on the lower die assembly, the upper die assembly and the lower die assembly are matched to clamp the magnesium alloy plate, the upper edge and the lower edge of the magnesium alloy plate are respectively attached and extruded by the upper die assembly and the lower die assembly, the hydraulic oil cylinder pushes the push plate and the punch to move downwards, the punch moves downwards in the through hole of the upper die assembly until the lower end of the punch extrudes the magnesium alloy plate positioned in the through hole, the punching process of the magnesium alloy plate is completed, the punch of the upper die assembly is fixed in advance, so that the accuracy of the punching position of the punched magnesium alloy plate can be guaranteed, in addition, when the magnesium alloy plate is punched, the upper die assembly and the lower die assembly clamp the magnesium alloy plate, the influence on the magnesium alloy plate outside the punching position can be effectively reduced, the deformation degree of the magnesium alloy plate is.

Drawings

Fig. 1 is a schematic structural view of a main view according to an embodiment of the present invention, in which a fixed plate and a floating plate clamp a magnesium alloy plate, and a push plate drives a punch to punch the magnesium alloy plate.

FIG. 2 shows another front view schematic diagram according to an embodiment of the present invention, where a th hydraulic ram pushes the float plate upward.

Figure 3 shows a schematic top view of a push plate according to an embodiment of the present invention.

Fig. 4 shows a schematic top view of a fixing plate according to an embodiment of the present invention.

In the drawing, the device comprises a machine frame 1, a positioning mechanism 2, a stamping mechanism 3, a base 4, a crossbeam 5, a stand column 6, an upper die assembly 7, a lower die assembly 8, a fixing plate 9, a fixing plate 10, a second hydraulic cylinder 11, a floating plate 12, a through hole 13, a magnesium alloy plate 14, an th hydraulic cylinder 15, a push plate 16, a punch head 17, a sliding hole 18, a backing plate 19, a bolt 19, a buffering assembly 20, a sleeve 21, a sleeve 22, a sliding rod 23 and an elastic component.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be described in detail in with reference to the accompanying drawings and preferred embodiments.

As shown in the figures, the invention provides a magnesium alloy plate punching device, which comprises a rack 1, a positioning mechanism 2 and a punching mechanism 3, wherein the rack 1 comprises a base 4, a cross beam 5 and a plurality of groups of upright posts 6, the upper end and the lower end of each upright post 6 are respectively and fixedly connected with the cross beam 5 and the base 4, the positioning mechanism 2 comprises an upper die assembly 7 and a lower die assembly 8 opposite to the upper die assembly 7, the upper die assembly 7 comprises a fixed plate 9, the fixed plate 9 is fixedly connected with the upright posts, the lower die assembly 8 comprises a second hydraulic cylinder 10 and a floating plate 11 pushed by the second hydraulic cylinder 10, the bottom of the second hydraulic cylinder 10 is fixedly connected with the base 4, the free end of the second hydraulic cylinder 10 is fixedly connected with the floating plate 11, through holes 12 opposite to each other are formed in the fixed plate 9 and the floating plate 11, a worker places a magnesium alloy plate 13 on the floating plate 11, the second hydraulic cylinder 10 pushes the floating plate 11 and the magnesium alloy plate 13 to move upwards until the floating plate 11 and the fixed plate 9 press the magnesium alloy plate 13, the floating plate 11 and the fixed plate 13 are aligned with the through holes 12 in the fixed plate 9, the through holes of the floating plate 11 and the fixed plate 9, the fixed plate 9 are aligned with the through holes of the fixed plate 9, the punch, the push plate 13, the punch is far longer than the punch head of the punch head 15, the punch head of the magnesium alloy plate 13, the punch head is connected with the punch head 6315, the punch head, the punch.

The working process comprises the steps that a worker places a magnesium alloy plate 13 on a floating plate 11, a second hydraulic oil cylinder 10 pushes the floating plate 11 and the magnesium alloy plate 13 to move upwards until the floating plate 11 and a fixing plate 9 tightly press the magnesium alloy plate 13, the upper surface and the lower surface of the magnesium alloy plate 13 are tightly attached by a push plate 15 and the floating plate 11 respectively, the floating plate 11 is aligned with and overlapped with a through hole 12 of the fixing plate 9, then a th hydraulic oil cylinder 14 pushes the push plate 15 and a punch 16 to move downwards, the punch 16 moves downwards in the through hole 12 of an upper die assembly 7 until the lower end of the punch 16 extrudes the magnesium alloy plate 13 in the through hole 12, and the punch 16 continues to move downwards under the pushing of a th hydraulic oil cylinder 14 until the punching process of the magnesium alloy plate 13 is completed.

The position of the punch 16 on the lower surface of the push plate 15 is fixed in advance according to the design, and the fixing mode can be welding and the like, so that the punching position of the punched magnesium alloy plate 13 can be ensured to be accurate; in addition, when the magnesium alloy plate 13 is punched, the push plate 15 of the upper die assembly 7 and the fixing plate 9 of the lower die assembly 8 clamp the magnesium alloy plate 13, so that the influence on the magnesium alloy plate 13 except for the open hole position can be effectively reduced, the deformation degree of the magnesium alloy plate 13 is reduced, and the rejection rate is further reduced.

, the opposite sides of the fixed plate 9 and the floating plate 11 are provided with backing plates 18, and the backing plates 18 can be rubber pads and the like, which can effectively prevent the magnesium alloy plate 13 from sliding and damage the surface of the magnesium alloy plate 13.

According to the technical scheme, preferably, the upright post is provided with the screw hole, the two ends of the fixing plate 9 are provided with the internal threads with the same specification as the screw hole, the fixing plate 9 is fixed on the upright post through the bolt 19 matched with the internal threads, the fixing plate 9 and the floating plate 11 matched with each other need to be replaced due to different opening positions of the magnesium alloy plate 13, and the fixing plate 9 can be replaced quickly and efficiently through thread matching.

According to the technical scheme, preferably, a buffer assembly 20 is arranged between the push plate 15 and the cross beam 5, the buffer assembly 20 comprises a sleeve 21, a sliding rod 22 and an elastic part 23, the end part of the sleeve 21 is fixedly connected with the lower surface of the cross beam 5, the elastic part 23 is positioned in the sleeve 21, and the sliding rod 22 is in sliding fit with the inner wall of the sleeve 21.

, the elastic part 23 is a spring part, so it is low cost.

The magnesium alloy plate punching die has the advantages that the magnesium alloy plate 13 is placed on the lower die assembly 8, the upper die assembly 7 and the lower die assembly 8 are matched to clamp the magnesium alloy plate 13, the upper edge and the lower edge of the magnesium alloy plate 13 are respectively attached and extruded by the upper die assembly 7 and the lower die assembly 8 at the moment, the hydraulic oil cylinder 14 pushes the push plate 15 and the punch 16 to move downwards, the punch 16 moves downwards in the through hole 12 of the upper die assembly 7 until the lower end of the punch 16 extrudes the magnesium alloy plate 13 positioned in the through hole 12 until the magnesium alloy plate 13 is punched, the punch 16 of the upper die assembly 7 is fixed in advance, so that the punching position of the punched magnesium alloy plate 13 can be ensured to be accurate, in addition, when the magnesium alloy plate 13 is punched, the upper die assembly 7 and the lower die assembly 8 clamp the magnesium alloy plate 13, the influence of the magnesium alloy plate 13 except the punching position can be effectively reduced, the deformation degree of the magnesium alloy plate 13 is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.