Stamping and shaping mechanism for automobile connecting piece

Abstract

The utility model discloses a stamping and shaping mechanism for an automobile connecting piece, which comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die seat, a pressure plate, an inclined wedge driving seat and a lateral pushing inclined guide surface, the pressure plate is elastically arranged on the bottom surface of the upper die seat, the inclined wedge driving seat is connected with the upper die seat, and the lateral pushing inclined guide surface is arranged at the bottom of the inclined wedge driving seat. By means of the mode, the stamping and shaping mechanism for the automobile connecting piece can effectively improve the shaping effect and efficiency through cooperation of the first shaping assembly and the second shaping assembly, meanwhile, by means of the dovetail sliding block capable of moving back and forth on the shaping male die, the accuracy and effectiveness of shaping treatment can be guaranteed, and the stamping and shaping efficiency of the automobile connecting piece can be improved. And moreover, the problem of material clamping of the material belt can be effectively prevented, and the shaping treatment effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch shaping technical field, especially a kind of punch shaping mechanism for automobile connecting piece. BACKGROUND

[0002] The connecting piece of engine is one of important structures of automobile, generally uses continuous die to punch and cut production to connecting piece.

[0003] But the efficiency and quality of current punch mechanism are not ideal, especially due to the bottom of current connecting piece product is provided with different degrees of concave bending structure, the existing traditional punch mechanism will interfere with bending structure when carrying out material pressing and punch shaping to product, so accurate and efficient punch processing cannot be realized, and therefore needs to be improved. SUMMARY

[0004] To solve the above technical problems, one technical scheme of the utility model is as follows:

[0005] Provide a kind of punch shaping mechanism for automobile connecting piece, it includes: upper die assembly includes upper die holder, material pressing plate, inclined wedge drive seat, side push inclined guide surface, the material pressing plate is elastically arranged in the bottom surface of the upper die holder, the inclined wedge drive seat is connected with the upper die holder, and the bottom of the inclined wedge drive seat is provided with side push inclined guide surface;Lower die assembly includes lower die holder, material supporting seat, first shaping assembly, second shaping assembly, the first shaping assembly and the second shaping assembly are oppositely arranged on the lower die holder, and material supporting seat is elastically arranged on the lower die holder;

[0006] The first shaping assembly includes shaping punch, dovetail sliding block, first elastic member, sliding guide groove, limiting block, shaping hole, shaping male, part avoidance, the shaping punch is arranged on the lower die holder, the sliding guide groove is obliquely arranged on the outer inclined surface of the dovetail sliding block, the limiting block is arranged on the inner side wall of the shaping punch, to be slidably connected with sliding guide groove, so that the dovetail sliding block moves upwards and outward or downwards and inward along the inner wall of shaping punch, the shaping punch is connected with the lower die holder by first elastic member, to drive the dovetail sliding block to reset upwards, shaping hole, shaping male and part avoidance, which is movably connected with the bending part of the bottom of product, are arranged on the inner wall of the dovetail sliding block;

[0007] The second shaping assembly comprises a sliding block, a shaping punch, a shaping insert, an inclined wedge back-off space, a second elastic member, a guide plate, a shaping limiting clamping seat and a shaping matching assembly.

[0008] In a preferred embodiment of the present application, the inclined wedge driving seat is fixedly connected with the upper die seat.

[0009] In a preferred embodiment of the present application, the top surface of the shaping punch and the dovetail sliding block is a pressing surface for pressing the product in cooperation with the pressing plate.

[0010] In a preferred embodiment of the present application, the inner wall of the shaping punch is an inclined surface matched with the dovetail sliding block.

[0011] In a preferred embodiment of the present application, the limiting block is a sliding bar with a reverse T-shaped cross section.

[0012] In a preferred embodiment of the present application, the material supporting seat is located above the second shaping assembly.

[0013] In a preferred embodiment of the present application, the guide plate is provided with a moving guide groove or a sliding rail, and the sliding block is provided with a moving sliding block movably connected with the moving guide groove or the sliding rail.

[0014] In a preferred embodiment of the present application, the first elastic member and the second elastic member are nitrogen springs.

[0015] In a preferred embodiment of the present application, the shaping punch and the shaping insert are detachably connected, and the shaping insert is connected with the sliding block through a screw.

[0016] In a preferred embodiment of the present application, the shaping matching assembly comprises a shaping driving clamping block, a shaping driving fixed part and a driving guide inclined surface, the shaping driving fixed part is arranged on the side wall of the inclined wedge driving seat, the driving guide inclined surface is arranged on the shaping driving fixed part, the shaping driving clamping block is arranged obliquely, the lower end of the shaping driving clamping block is connected with the sliding block, and the upper end of the shaping driving clamping block is provided with a clamping hook structure in contact with the driving guide inclined surface, so as to cooperate to drive the sliding block to move outward and reset.

[0017] The utility model discloses a beneficial effect is: utilize the cooperation of first shaping assembly and second shaping assembly, can effectively improve the effect and efficiency of shaping, simultaneously, utilize the swallow-tailed slider that can go back and forth on the shaping convex mould, not only can guarantee the accuracy and effectiveness of shaping treatment, and can effectively prevent the problem of material tape card material, improve the effect of shaping treatment. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment description, obviously, the drawing in the following description only is some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings, wherein:

[0019] Fig. 1 It is a kind of for the punch shaping mechanism of automobile connecting piece a preferred embodiment of the utility model three-dimensional structure schematic diagram;

[0020] Fig. 2 It is a kind of for the punch shaping mechanism of automobile connecting piece a preferred embodiment of the utility model first cross-sectional structure schematic diagram;

[0021] Fig. 3 It is a kind of for the punch shaping mechanism of automobile connecting piece a preferred embodiment of the utility model second cross-sectional structure schematic diagram. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiment of the utility model will be clearly and completely described, obviously, the described embodiment only is a part of the embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.

[0023] Please refer to Figs. 1-3 The utility model embodiment includes:

[0024] A punch shaping mechanism for automobile connecting piece, its structure includes: upper die assembly and lower die assembly.

[0025] Upper die assembly includes upper die seat 12, pressing plate, inclined wedge drive base 11, side push inclined guide surface, and pressing plate is elastically arranged on the bottom surface of upper die seat, and inclined wedge drive base is connected with upper die seat, and the bottom of inclined wedge drive base is provided with side push inclined guide surface.

[0026] Further preferably, the inclined wedge drive base is fixedly connected with the upper die seat.

[0027] The lower die assembly comprises a lower die base 21, a material supporting base, a first shaping assembly 22, and a second shaping assembly 23. The first shaping assembly and the second shaping assembly are oppositely arranged on the lower die base to cooperate with the shaping process of the product 3. The material supporting base is elastically arranged on the lower die base, and the material supporting base is located above the second shaping assembly.

[0028] The first shaping assembly comprises a shaping punch 220, a dovetail sliding block 221, a spring 222, a shaping hole 223, a shaping pin 224, a part avoiding position 225, a sliding guide groove 226, and a limiting block 227.

[0029] The shaping punch is arranged on the lower die base. The sliding guide groove is arranged on the outer inclined surface of the dovetail sliding block. The limiting block is arranged on the inner wall of the shaping punch, and the limiting block is in sliding connection with the sliding guide groove, so that the dovetail sliding block can move upward and outward or downward and inward along the inner wall of the shaping punch, and the dovetail sliding block is prevented from being pulled out. The spring is arranged on the lower die base inside the shaping punch, and the end of the spring is connected with the bottom of the dovetail sliding block to drive the dovetail sliding block to reset upward.

[0030] Further, the inner wall of the shaping punch is an inclined surface matched with the dovetail sliding block.

[0031] The shaping hole and the shaping pin are arranged on the inner wall of the dovetail sliding block, and the part avoiding position is arranged below the shaping pin on the dovetail sliding block to cooperate with the bending part on the product and prevent interference.

[0032] Further preferably, the top surface of the shaping punch and the dovetail sliding block is a pressing surface matched with the pressing plate to press the product.

[0033] Further preferably, the inner wall of the shaping punch is an inclined surface matched with the dovetail sliding block.

[0034] Further preferably, the limiting block is a sliding block with a reverse T-shaped cross section to improve the accuracy of the movement of the dovetail sliding block.

[0035] The second shaping assembly comprises a sliding block 231, a shaping punch 232, a shaping insert 233, a bevel wedge back-off space 234, a nitrogen spring 235, a guide plate 236, a shaping limiting block seat 237, and a shaping matching assembly.

[0036] The bevel wedge back-off space is arranged on the lower die base. The guide plates are arranged on the lower die base on both sides of the bevel wedge back-off space. The sliding block is in sliding connection with the guide plates on both sides. The nitrogen spring is arranged in the bevel wedge back-off space, and the output end of the nitrogen spring is connected with the sliding block to drive the sliding block to move outward and reset.

[0037] The inner end of the sliding block is provided with a shaping insert to cooperate with the shaping insert to shape the side surface of the product, and the shaping insert is provided with a shaping punch to cooperate with the shaping hole to shape the hole part of the product. The top of the outer side of the sliding block is provided with a driving slope to contact the side pushing slope guide surface on the oblique wedge driving seat, so that the sliding block is driven by the oblique wedge driving seat to approach the shaping punch along the guide plate, thereby realizing the shaping of the product. The shaping limiting clamping seat is arranged on the lower die seat outside the sliding block to limit the oblique wedge driving seat, thereby improving the accuracy and stability of the driving.

[0038] The shaping cooperation assembly includes a shaping driving clamping block 238, a shaping driving fixed part 239, and a driving guide slope 2310. The shaping driving fixed part is arranged on the side wall of the oblique wedge driving seat, and the driving guide slope is arranged on the shaping driving fixed part. The shaping driving clamping block is arranged obliquely, and the lower end thereof is connected to the sliding block. The clamping hook structure on the upper end contacts the driving guide slope to drive the sliding block to move outward and reset.

[0039] Further preferably, the guide plate is provided with a moving guide groove or slide rail, and the sliding block is provided with a moving sliding block movably connected with the moving guide groove or slide rail.

[0040] In use, the material belt is placed on the material supporting seat and sent to the shaping position. At this time, the dovetail sliding block is kept on the outer upper side of the shaping punch under the action of the spring, so that the material belt contacts the top surface of the dovetail sliding block. The upper die seat is pressed down, so that the material supporting seat and the material belt are lowered synchronously, and the material pressing plate presses the material belt tightly on the dovetail sliding block. At the same time, the side pushing guide surface of the oblique wedge driving seat contacts the driving slope on the sliding block to drive the sliding block to approach the shaping punch. The upper die seat continues to descend to drive the dovetail sliding block to move downward along the shaping punch, so that the shaping hole and the shaping insert approach the side surface of the product to tightly contact and the part avoiding position cooperates with the bending part at the bottom of the product. At the same time, the oblique wedge driving seat continues to push the sliding block to approach the product, so that the pressing surface contacts the side surface of the product, and the shaping punch is inserted into the shaping hole to complete the shaping process.

[0041] When the shaping is completed, the upper die seat drives the material pressing plate and the oblique wedge driving seat to rise, the material supporting seat drives the material belt to vertically lift under the action of the spring itself, the dovetail sliding block moves upward to reset under the action of the spring to separate from the bending part on the material belt to prevent interference. The shaping punch moves outward to reset under the action of the nitrogen spring. When the nitrogen spring is not effective or fails, the shaping driving clamping block drives the sliding block to move outward under the action of the shaping driving fixed part and the oblique wedge driving seat to ensure the reset of the sliding block.

[0042] The stamping shaping mechanism for the automobile connecting piece has the beneficial effects that: the cooperation of the first shaping assembly and the second shaping assembly can effectively improve the shaping effect and efficiency, meanwhile, the dovetail sliding block which can move back and forth on the shaping punch can not only ensure the accuracy and effectiveness of the shaping treatment, but also effectively prevent the problem of material belt jamming, and improve the shaping treatment effect.

[0043] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation made by using the utility model specification content, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A stamping and forming mechanism for automotive connectors, characterized in that, include: The upper die assembly includes an upper die base, a pressure plate, a wedge drive seat, and a side push guide surface. The pressure plate is elastically disposed on the bottom surface of the upper die base. The wedge drive seat is connected to the upper die base, and the bottom of the wedge drive seat is provided with a side push guide surface. The lower die assembly includes a lower die base, a material support seat, a first shaping component, and a second shaping component. The first shaping component and the second shaping component are disposed opposite to each other on the lower die base, and the material support seat is elastically disposed on the lower die base. The first forming component includes a forming punch, a dovetail slider, a first elastic element, a sliding guide groove, a limiting block, a forming hole, a forming insert, and a part avoidance. The forming punch is disposed on the lower die base. The sliding guide groove is inclinedly disposed on the outer inclined surface of the dovetail slider. A limiting block is disposed on the inner sidewall of the forming punch to slide and connect with the sliding guide groove, so that the dovetail slider moves upward and outward or downward and inward along the inner wall of the forming punch. The forming punch is connected to the lower die base through the first elastic element to drive the dovetail slider to reset upward. The forming hole, the forming insert, and the part avoidance that is movably connected to the bending part at the bottom of the product are disposed on the inner wall of the dovetail slider. The second forming assembly includes a slider, a forming punch, a forming insert, a wedge retraction space, a second elastic element, a guide plate, a forming limit holder, and a forming mating assembly. A wedge retraction space is provided on the lower die base. Guide plates are provided on both sides of the wedge retraction space on the lower die base. The slider's two sides are slidably connected to the guide plates. The second elastic element is located within the wedge retraction space and connected to the slider to drive it to move outward and reset. A forming insert is provided at the inner end of the slider to cooperate with the forming insert to form the side of the product. A forming punch is provided on the forming insert to cooperate with the forming hole to form the hole portion of the product. A driving inclined surface is provided on the top of the outer side of the slider to contact the side push inclined guide surface on the wedge drive seat, allowing the slider to move along the guide plate towards the forming punch under the action of the wedge drive seat, thereby achieving product forming. A forming limit holder is provided on the lower die base outside the slider to limit the wedge drive seat.

2. The stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The wedge drive base is fixedly connected to the upper mold base.

3. The stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The top surfaces of the forming punch and the dovetail slider are the pressure surfaces that cooperate with the pressure plate to press the product.

4. The stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The inner wall of the forming punch is an inclined surface that mates with the dovetail slider.

5. A stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The limiting block is a sliding bar with an inverted T-shaped cross section.

6. A stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The support base is located above the second shaping component.

7. A stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The guide plate is provided with a movable guide groove or slide rail, and the slider is provided with a movable slider that is movably connected to the movable guide groove or slide rail.

8. A stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The first and second elastic elements use nitrogen springs.

9. A stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The shaping punch and the shaping insert are detachably connected, and the shaping insert is connected to the slider by screws.

10. A stamping and forming mechanism for automotive connectors according to claim 1, characterized in that, The shaping assembly includes a shaping drive block, a shaping drive fixing part, and a drive guide slope. The shaping drive fixing part is disposed on the side wall of the wedge drive seat, and the shaping drive fixing part is provided with a drive guide slope. The shaping drive block is inclined, and its lower end is connected to the slider. The hook structure on the upper end contacts the drive guide slope to cooperate in driving the slider to move outward and reset.

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