CN205463958U - Vehicle vent -pipe throat mould - Google Patents

Abstract

The utility model discloses an automobile exhaust pipe necking mold, which comprises an upper mold base and a lower mold base. An upper splint is provided on the lower surface of the upper mold base, and a stripping plate is connected to the upper splint through a first spring. The upper splint is provided with an extruding insert, the lower end of the extruding insert is provided with an extruding slope, the upper surface of the lower mold base is provided with a lower splint, and the lower splint is equipped with a supporting slide, and the above supporting slide is vertical The arranged side wall is provided with a forming head, the above-mentioned lower splint is provided with a forming cavity, and the forming cavity is placed with a blank to be necked, the above-mentioned blank is arranged horizontally, and the above-mentioned blank corresponds to the above-mentioned forming head. The beneficial effects of the utility model are: the automobile exhaust pipe shrinking mold can shrink the horizontal blank without damaging the forming head; the production efficiency is improved, the service life of the mold is improved, and the waste of human resources is avoided.

Description

Automotive exhaust pipe necking mold

technical field

The utility model relates to the technical field of automobile molds, in particular to an automobile exhaust pipe necking mold.

Background technique

At present, the automobile exhaust pipe necking mold adopts vertical type, and the automobile exhaust pipe necking mold generally has one cavity or two cavities. It is easy to drop to the necking forming head of the lower mold, which is easy to cause damage to the mold, and the existing automobile exhaust pipe necking mold is inconvenient to operate during production, difficult to take and place the blank, low production efficiency, and the diameter of the necking hole at both ends is unstable. High wrinkle ratio. Therefore, this is a technical problem to be solved urgently by those skilled in the art.

Utility model content

The purpose of the utility model is to provide an automobile exhaust pipe shrinking mold, which can shrink a horizontal blank without damaging the forming head.

In order to achieve the above object, the utility model provides the following technical solutions:

An automobile exhaust pipe necking mold, comprising an upper mold base and a lower mold base, the upper mold base and the lower mold base are arranged horizontally, the lower mold base is located below the upper mold base, and the lower surface of the upper mold base is arranged There is an upper splint, the upper splint is arranged horizontally, the above-mentioned upper splint is connected with a stripper plate through the first spring, the stripper plate is arranged horizontally, the above-mentioned upper splint is provided with an extrusion knife, and the lower end of the above-mentioned extrusion knife is provided with an extrusion Pressing the inclined surface, the upper surface of the lower mold base is provided with a lower splint, the lower splint is arranged horizontally, and a supporting slider is mounted on the lower splint, the supporting slider is slidably matched with the above-mentioned lower splint, and the above-mentioned supporting slider is arranged vertically. The side wall is provided with a forming head, the above-mentioned support slider is located below the above-mentioned extrusion slope, the above-mentioned extrusion slope is used to extrude the above-mentioned support slide, and the above-mentioned lower splint is provided with a molding cavity, which is used to place the billet to be shrinked The above-mentioned blanks are arranged horizontally, and the above-mentioned blanks correspond to the above-mentioned forming heads.

Preferably, the number of the extrusion knives is two, the two extrusion knives are arranged symmetrically on the upper splint, the stripper plate is located between the two extrusion knives, the number of the support sliders There are two, and the two support sliders are arranged symmetrically on the lower splint, and the two support sliders correspond to the two extrusion knives respectively.

Preferably, the above-mentioned upper splint is provided with a guide post, and the guide post is located between the above-mentioned two insertion knives, and the above-mentioned stripper plate is provided with a guide hole, and the above-mentioned guide post is inserted into the above-mentioned guide hole.

Preferably, the lower splint is fixedly provided with two stoppers, the two stoppers are respectively located on the outer sides of the two support sliders, the above stoppers are respectively provided with sliders, the sliders are arranged horizontally, and the two support sliders The blocks are respectively provided with sliding holes, the above-mentioned sliding holes are arranged horizontally, the above-mentioned sliding rods are respectively inserted into the above-mentioned sliding holes, the above-mentioned two stoppers are respectively connected to the above-mentioned sliders by the second spring, the first end of the above-mentioned second spring is fixedly connected to the stopper, The second end of the above-mentioned second spring is fixedly connected with the supporting slider by screws.

Preferably, the above-mentioned automobile exhaust pipe necking mold further includes a lower supporting plate, the above-mentioned lower supporting plate is arranged horizontally, at least two lower pads are arranged on the upper surface of the above-mentioned lower pallet, and the upper ends of the above-mentioned lower pads support the above-mentioned lower mold base , the above-mentioned lower supporting plate is provided with a jacking cylinder, and the above-mentioned lower mold base and the lower splint are respectively provided with through holes. The positions of the above-mentioned through-holes are corresponding. The above-mentioned through hole and the end of the piston rod of the jacking cylinder are provided with a jacking block, and the jacking block is used to eject the blank that has been shrinked.

The working principle of the utility model is: when punching the automobile exhaust pipe shrinking mold, the guide column ensures the matching accuracy of the upper mold base and the lower mold base, and the sliding rod ensures the movement accuracy of the supporting slider and the forming head, and the upper mold base goes down. At this time, after the stripping plate presses the blank, the extrusion inserting knife continues to move downward, and at the same time pushes the two sets of supporting sliders and the forming head extension slider to move horizontally inward to punch the blank. After the stamping is completed, the upper die base moves upwards, and at the same time, the ejector cylinder drives the ejector block to eject the blank. After ejection, the ejector block falls back, and the ejected blank rolls from the first forming cavity to the second forming cavity. Cavity, the blank of the second molding cavity rolls to the outside of the mold (container) to achieve the purpose of automatic cavity replacement by rolling time difference.

The automobile exhaust pipe necking mold uses an extrusion slope to push the multi-component forming head, so that it changes the vertical movement direction to the horizontal movement direction, so that it can achieve horizontal production, so that the sound-absorbing cotton will not fall to the necking forming head, and the Manually placing different blanks multiple times is transformed into automatic mold replacement. The operator only needs to place blanks in one molding cavity, and the subsequent placing actions are completed by the mold. Reduce the labor intensity of operation, improve production efficiency, improve the service life of the mold, and avoid the waste of human resources.

The beneficial effects of the utility model are: the automobile exhaust pipe shrinking mold can shrink the horizontal blank without damaging the forming head; the production efficiency is improved, the service life of the mold is improved, and the waste of human resources is avoided.

Description of drawings

Fig. 1 is the schematic diagram of the utility model.

detailed description

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is further described. The following examples are only used to illustrate the technical solution of the utility model more clearly, but not to limit the protection scope of the utility model.

The technical scheme of the concrete implementation of the utility model is:

As shown in Figure 1, a kind of automobile exhaust pipe necking mold comprises upper mold base 1 and lower mold base 7, above-mentioned upper mold base 1 and lower mold base 7 are horizontally arranged, and above-mentioned lower mold base 7 is positioned at above-mentioned upper mold base 1, the lower surface of the above-mentioned upper mold base 1 is provided with an upper splint 2, and the upper splint 2 is arranged horizontally. The above-mentioned upper splint 2 is connected with a stripper plate 4 through a first spring. Clamping plate 2 is provided with extruding inserting knife 3, and the lower end of above-mentioned extruding inserting knife 3 is provided with extruding bevel 31, and the upper surface of above-mentioned lower mold base 7 is provided with lower splint 6, and this lower splint 6 is arranged horizontally, and this lower splint 6 A supporting slider 81 is mounted on the top, and the supporting slider 81 is slidably matched with the above-mentioned lower splint 6. The vertically arranged side wall of the above-mentioned supporting slider 81 is provided with a forming head 82. Below, the above-mentioned extrusion slope 31 is used to extrude the above-mentioned support slider 81. The above-mentioned lower splint 6 is provided with a molding cavity 15, and the molding cavity 15 is placed in the blank 10 to be necked. The above-mentioned blank 10 is arranged horizontally, and the above-mentioned blank The piece 10 corresponds to the forming head 82 described above.

There are two extrusion knives 3, and the two extrusion knives 3 are symmetrically arranged on the upper splint 2, the stripper plate 4 is located between the two extrusion knives 3, and the support slider The number of 81 is two, and the above-mentioned two support sliders 81 are arranged symmetrically on the above-mentioned lower splint 6 , and the above-mentioned two support sliders 81 correspond to the above-mentioned two extrusion inserts 3 respectively.

The above-mentioned upper splint 2 is provided with a guide post 16, and the guide post 16 is located between the above-mentioned two insertion knives, and the above-mentioned stripper plate 4 is provided with a guide hole, and the above-mentioned guide post 16 is inserted into the above-mentioned guide hole.

The above-mentioned lower splint 6 is fixedly provided with two stoppers 11, and the above-mentioned two stoppers 11 are respectively located at the outer sides of the above-mentioned two supporting sliders 81. The above-mentioned stoppers 11 are respectively provided with slide bars 12, and the above-mentioned slide bars 12 are arranged horizontally. The two supporting sliders 81 are respectively provided with sliding holes, the above-mentioned sliding holes are arranged horizontally, the above-mentioned sliding rods 12 are respectively inserted into the above-mentioned sliding holes, the above-mentioned two stoppers 11 are respectively connected to the above-mentioned sliding blocks by the second spring, and the first of the above-mentioned second spring One end is fixedly connected to the block 11, and the second end of the second spring is fixedly connected to the support slider 81 by screws.

The above-mentioned automobile exhaust pipe necking mold also includes a lower supporting plate 14, the above-mentioned lower supporting plate 14 is arranged horizontally, and at least two lower cushion blocks 13 are arranged on the upper surface of the above-mentioned lower supporting plate 14, and the upper ends of the above-mentioned lower cushion blocks 13 support the above-mentioned lower supporting plate. The mold base 7, the above-mentioned lower supporting plate 14 are provided with a jacking cylinder 9, the above-mentioned lower mold base 7 and the lower splint 6 are respectively provided with through holes, the positions of the above-mentioned through holes are corresponding, and the above-mentioned through holes are located below the above-mentioned blank 10, and the above-mentioned The piston rod 91 of the jacking cylinder 9 passes through the above-mentioned through hole, and the end of the piston rod 91 of the jacking cylinder 9 is provided with a jacking block 92, and the jacking block 92 is used to eject the blank 10 that has been shrinked.

The working principle of the utility model is: when punching the automobile exhaust pipe shrinking mold, the guide column 16 ensures the matching accuracy of the upper mold base 1 and the lower mold base 7, and the sliding rod 12 ensures the movement of the supporting slider 81 and the forming head 82 Accuracy, when the upper mold base 1 goes down, after the stripping plate 4 presses the blank 10, the extrusion inserting knife 3 continues to move downward, and at the same time pushes the two sets of support sliders 81 and the forming head 82 to move horizontally inward along the slider 12 , the blank 10 is shrink punched. After the punching is completed, the upper mold base 1 moves upwards, and at the same time, the ejector cylinder 9 moves upward to drive the ejector block 92 to eject the blank 10. After ejection, the ejector block 92 falls back, and the ejected blank 10 is ejected from the first molding cavity. 15 rolls to the second molding cavity 15, and the blank 10 of the second molding cavity 15 rolls to the outside of the mold (container) to achieve the purpose of automatically changing the cavity with the rolling time difference.

The extrusion slope 31 is used to push the multi-component forming head 82 to change the vertical movement direction to the horizontal movement direction, so that it can achieve horizontal production, so that the sound-absorbing cotton will not fall to the shrinking forming head. 82. The multiple manual placement of different blanks 10 is transformed into automatic mold replacement. The operator only needs to place the blanks 10 in one molding cavity 15, and the subsequent placing actions are completed by the mold. Reduce the labor intensity of operation, improve production efficiency, improve the service life of the mold, and avoid the waste of human resources.

The beneficial effects of the utility model are: the automobile exhaust pipe shrinking mold can shrink the horizontal blank 10 without damaging the forming head 82; the production efficiency is improved, the service life of the mold is improved, and the waste of human resources is avoided.

The above is only the preferred embodiment of the utility model, and it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and modifications can also be made. And retouching should also be regarded as the protection scope of the present utility model.

Claims (5)

1. A kind of automobile exhaust pipe shrinking mold, it is characterized in that, comprise upper mold base and lower mold base, above-mentioned upper mold base and lower mold base are arranged horizontally, above-mentioned lower mold base is positioned at the below of above-mentioned upper mold base, above-mentioned upper mold base The lower surface of the mold base is provided with an upper splint, which is arranged horizontally. The upper splint is connected with a stripper plate through a first spring. The stripper plate is arranged horizontally. The lower end of the knife is provided with an extrusion slope, and the upper surface of the lower mold base is provided with a lower splint, which is arranged horizontally. The lower splint is equipped with a support slider, which slides and fits with the above-mentioned lower splint, and the above-mentioned support The vertically arranged side wall of the slider is provided with a molding head, the above-mentioned supporting slider is located below the above-mentioned extrusion slope, and the above-mentioned extrusion slope is used to extrude the above-mentioned support slider, and the above-mentioned lower splint is provided with a molding cavity, which is placed The blanks to be necked are placed, the blanks are arranged horizontally, and the blanks correspond to the forming heads. 2. The automobile exhaust pipe necking die according to claim 1, characterized in that, the quantity of the above-mentioned extruding inserts is two, and the above-mentioned two extruding inserts are arranged symmetrically on the above-mentioned upper splint, and the above-mentioned stripping The plate is located between the above-mentioned two extrusion inserts, the number of the above-mentioned support sliders is two, and the above-mentioned two support slide blocks are symmetrically arranged on the above-mentioned lower splint, and the above-mentioned two support slide The knife corresponds. 3. The automobile exhaust pipe necking die according to claim 2, wherein the above-mentioned upper splint is provided with a guide post, and the guide post is located between the above-mentioned two insertion knives, and the above-mentioned stripping plate is provided with a guide hole, The above-mentioned guide post is inserted into the above-mentioned guide hole. 4. The automobile exhaust pipe necking mold according to claim 3, wherein the lower clamping plate is fixedly provided with two stoppers, and the two stoppers are respectively located at the outer sides of the two supporting sliders, and the above-mentioned stoppers The blocks are respectively provided with slide bars, the above slide bars are arranged horizontally, the above two supporting slide blocks are respectively provided with slide holes, the above slide holes are arranged horizontally, the above slide bars are respectively inserted into the above slide holes, and the above two stoppers respectively pass through the second spring The above-mentioned slider is connected, the first end of the above-mentioned second spring is fixedly connected to the stopper, and the second end of the above-mentioned second spring is fixedly connected to the support slider by screws. 5. The automobile exhaust pipe shrinking mold according to claim 4, characterized in that, the above-mentioned automobile exhaust pipe shrinking mold also includes a lower supporting plate, the above-mentioned lower supporting plate is arranged horizontally, and the upper surface of the above-mentioned lower supporting plate is provided with At least two lower pads, the upper end of the lower pad supports the lower mold base, the lower supporting plate is provided with a jacking cylinder, the lower mold base and the lower splint are respectively provided with through holes, and the positions of the above through holes are corresponding. The above-mentioned through hole is located below the above-mentioned blank, the piston rod of the above-mentioned jacking cylinder passes through the above-mentioned through-hole, and the end of the piston rod of the jacking cylinder is provided with a jacking block, and the above-mentioned jacking block is used to eject the blank that has been shrinked .