Synchronous cutting and overturning mechanism

Abstract

The utility model discloses a synchronous cutting and turning mechanism which comprises an upper die plate and a lower die plate, a punch is arranged in the middle of the bottom of the upper die plate, flanging grooves are formed in the bottoms of the left side and the right side of the punch in a penetrating mode, pressing plates are arranged on the left side and the right side of the punch, and a trimming cutter block is arranged in the middle of the top of a fixing base. Flanging blocks are arranged on the left side and the right side of the top of the fixing base in a penetrating mode. According to the utility model, the punch moves downwards, a part is cut off through the trimming cutting edge on the inner side of the punch, so that the part is separated from a material belt, after the part is cut off by the trimming cutting edge on the inner side of the punch, the part is pressed by the material pressing plate, the separated part does not fall off, the part is subjected to flanging forming along with the flanging groove of the punch, the forming is finished after the part is turned to the bottom, and the punch and the material pressing plate are separated in sequence; part falling, cutting and flanging are completed in the same working step, the structure is simple and efficient, and the working step number of the progressive die is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping dies, in particular to a synchronous cutting and turning mechanism. Background Art

[0002] At present, in the stamping production process of automotive parts, in order to improve production efficiency and energy emissions and achieve the principle of environmental protection first and production second, continuous die production has occupied a dominant position. Continuous die stamping is divided into multiple steps, and reducing the number of steps plays a vital role in cost control and improving stamping efficiency.

[0003] The existing continuous die-cutting and flanging mechanism, when in use, will first flanging and then cut and separate, or first trim and then flanging. There are many steps, and separation and flanging cannot be achieved in the same step. The cost of mold development is high, and the efficiency of stamping production is low. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a synchronous cutting and turning mechanism.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a synchronous cutting and flipping mechanism, including an upper template and a lower template, a punch is arranged at the middle position of the bottom of the upper template, the bottom positions on the left and right sides of the punch are penetrated and provided with flanging grooves, pressure plates are arranged at the left and right sides of the punch, the top positions of the two pressure plates are fixedly connected with fixed rods, the top position of the lower template is fixedly connected with a fixed seat, a trimming knife block is arranged at the middle position of the top of the fixed seat, the left and right sides of the top of the fixed seat are penetrated and provided with flanging blocks, and the left and right sides of the top of the fixed seat are penetrated and provided with grooves near the middle position and the punch can slide in the grooves.

[0006] As a further description of the above technical solution:

[0007] Two first bolts are passed through and slidably connected to the middle position of the top of the upper template, and the first bolts are passed through and threadedly connected to the punch.

[0008] As a further description of the above technical solution:

[0009] A cushion block is provided through and in the middle of the bottom of the punch.

[0010] As a further description of the above technical solution:

[0011] A cushion block is provided through and in the middle of the bottom of the punch.

[0012] As a further description of the above technical solution:

[0013] Nitrogen springs are passed through and arranged at the top positions of the two fixing rods.

[0014] As a further description of the above technical solution:

[0015] The top positions on both sides of the fixing seat are penetrated and slidably connected with third bolts, and the third bolts are penetrated and threadedly connected with the flanging block.

[0016] As a further description of the above technical solution:

[0017] The top positions on both sides of the fixing seat are penetrated and provided with fixing holes, and the third bolt can slide in the fixing holes.

[0018] As a further description of the above technical solution:

[0019] Parts are arranged at the top of the fixing seat.

[0020] The utility model has the following beneficial effects:

[0021] In the utility model, the punch moves downward and cuts off the parts through the trimming edge inside the punch, so that the parts are separated from the material strip. After the trimming edge inside the punch cuts off the parts, the parts will not fall off after separation because they are pressed by the pressing plate. Then the punch flanging groove starts to flanging the parts, and the forming is completed after reaching the bottom. The punch and the pressing plate are separated in turn, and the parts fall off. The cutting and flanging are completed in the same step. The structure is simple and efficient, the number of steps of the continuous die is reduced, the development cost is reduced, and the efficiency of stamping production is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front view of a synchronous cutting and turning mechanism proposed by the utility model;

[0023] Figure 2 This is a punch structure diagram of a synchronous cutting and turning mechanism proposed by the utility model;

[0024] Figure 3 The present invention is a structural diagram of the flanging of a synchronous cutting and flipping mechanism.

[0025] Legend:

[0026] 1. Punch; 2. Trimming knife block; 3. Flanging block; 4. Pressing plate; 5. Fixed seat; 6. Parts; 7. Upper template; 8. First bolt; 9. Nitrogen spring; 10. Fixed rod; 11. Second bolt; 12. Third bolt; 13. Fixed hole; 14. Lower template; 15. Spacer block; 16. Flanging groove; 17. Recess. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] Reference Figure 1-3 , an embodiment provided by the utility model: a synchronous cutting and turning mechanism, including an upper template 7 and a lower template 14, a punch 1 is arranged at the middle position at the bottom of the upper template 7, the inner trimming edge of the punch 1 is higher than the outer flanging surface, to ensure the action sequence of cutting first and then flanging, the bottom positions on both sides of the punch 1 are penetrated and provided with flanging grooves 16, the left and right sides of the punch 1 are provided with pressure plates 4, the top positions of the two pressure plates 4 are fixedly connected with fixed rods 10, the nitrogen spring 9 is used to move the fixed rod 10 and the pressure plate 4 downward to fix the part 6, the top position of the lower template 14 is fixedly connected with a fixed seat 5, fixed A trimming knife block 2 is arranged in the middle position of the top of the fixed seat 5, and an appropriate blanking gap is retained between the trimming knife block 2 and the cutting edge of the punch 1. Flanging blocks 3 are penetrated and arranged on the left and right sides of the top of the fixed seat 5. Grooves 17 are penetrated and arranged on the left and right sides of the top of the fixed seat 5 near the middle position, and the punch 1 can slide in the groove 17. The punch 1 moves downward, and cuts off the part 6 through the trimming edge inside the punch 1, so that the part 6 is separated from the material strip. After the trimming edge inside the punch 1 cuts off the part 6, it is pressed by the pressing plate 4, and the part 6 will not fall after separation. Immediately afterwards, the flanging groove 16 of the punch 1 starts to flanging the part 6.

[0030] Two first bolts 8 are penetrated and slidably connected to the middle position of the top of the upper template 7, and the first bolts 8 are penetrated and threadedly connected to the punch 1, and the punch 1 is fixed to the upper template 7 by the first bolt 8, and a cushion block 15 is penetrated and provided at the middle position of the bottom of the punch 1, and a second bolt 11 is penetrated and slidably connected to the top position of the trimming knife block 2, and the second bolt 11 is penetrated and threadedly connected to the fixing seat 5, and the trimming knife block 2 and the fixing seat 5 are fixed together by the second bolt 11, and nitrogen springs 9 are penetrated and provided at the top positions of the two fixing rods 10, and third bolts 12 are penetrated and slidably connected to the top positions of the left and right sides of the fixing seat 5, and the third bolt 12 is penetrated and threadedly connected to the flanging block 3, and the flanging block 3 and the fixing seat 5 are fixed together by the third bolt 12, and the top positions of the left and right sides of the fixing seat 5 are penetrated and provided with fixing holes 13, and the third bolts 12 can slide in the fixing holes 13, and a part 6 is provided at the top position of the fixing seat 5.

[0031] Working principle: When the utility model is in use, the punch 1 is first fixed to the upper template 7 by the first bolt 8, and the inner trimming edge of the punch 1 is higher than the outer flanging surface to ensure the action sequence of cutting first and then flanging. The trimming knife block 2 is fixed to the fixed seat 5 by the second bolt 11, and the trimming knife block 2 and the punch 1 edge retain an appropriate blanking gap. The flanging block 3 and the fixed seat 5 are fixed together by the third bolt 12, and the part 6 is placed on the top of the fixed seat 5. The fixing rod 10 and the pressing plate 4 are moved downward by the nitrogen spring 9 to fix the part 6. The punch 1 moves downward and cuts off the part 6 through the inner trimming edge of the punch 1, so that the part 6 is separated from the material strip. After the inner trimming edge of the punch 1 cuts off the part 6, it is pressed by the pressing plate 4 and will not fall off after separation. Immediately afterwards, the flanging groove 16 of the punch 1 starts to flanging the part 6. After reaching the bottom, the forming is completed, and the punch 1 and the pressing plate 4 are separated one after another, and the part 6 falls off.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A synchronous cutting and turning mechanism, comprising an upper template (7) and a lower template (14), characterized in that: A punch (1) is arranged at the middle position of the bottom of the upper template (7), and flange grooves (16) are penetrated and arranged at the bottom positions on both the left and right sides of the punch (1), and pressure plates (4) are arranged at the left and right sides of the punch (1), and the top positions of the two pressure plates (4) are fixedly connected to fixed rods (10), and the top position of the lower template (14) is fixedly connected to a fixed seat (5), and a trimming knife block (2) is arranged at the middle position of the top of the fixed seat (5), and flange blocks (3) are penetrated and arranged at the left and right sides of the top of the fixed seat (5), and grooves (17) are penetrated and arranged near the middle position of the left and right sides of the top of the fixed seat (5), and the punch (1) can slide in the grooves (17).

2. A synchronous cutting and turning mechanism according to claim 1, characterized in that: Two first bolts (8) are passed through and slidably connected to the middle of the top of the upper template (7), and the first bolts (8) are passed through and threadedly connected to the punch (1).

3. The synchronous cutting and turning mechanism according to claim 1, characterized in that: A cushion block (15) is provided through and in the middle of the bottom of the punch (1).

4. The synchronous cutting and turning mechanism according to claim 1, characterized in that: A second bolt (11) penetrates and is slidably connected to the top of the trimming blade block (2), and the second bolt (11) and the fixing seat (5) penetrate and are threadedly connected.

5. The synchronous cutting and turning mechanism according to claim 1, characterized in that: Nitrogen springs (9) are passed through and arranged at the top positions of the two fixing rods (10).

6. The synchronous cutting and turning mechanism according to claim 1, characterized in that: Third bolts (12) are passed through and slidably connected to the top positions of the left and right sides of the fixing seat (5), and the third bolts (12) are passed through and threadedly connected to the flange block (3).

7. The synchronous cutting and turning mechanism according to claim 1, characterized in that: The top positions on both left and right sides of the fixing seat (5) are penetrated and provided with fixing holes (13), and the third bolt (12) can slide in the fixing holes (13).

8. The synchronous cutting and turning mechanism according to claim 1, characterized in that: A part (6) is arranged at the top of the fixing seat (5).

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