CN207899960U - Single driving punching pin lateral incision stamping die - Google Patents

Abstract

The utility model is related to a kind of lateral incision stamping die, specifically a kind of single driving punching pin lateral incision stamping die belongs to cold punching die technical field.It includes the upper die component and lower mold assemblies being correspondingly arranged up and down, and upper die component lower end is separately connected driving punching pin and holding pad by bolt, and holding pad upper end connects binder flat spring, and holding pad spring upper end connects upper die component；Lower mold assemblies are equipped with lateral incision punch-pin and lateral incision cavity plate, lateral incision punch-pin is bolted on lateral incision punch retainer, punch-pin drive block is bolted in lateral incision punch retainer side, lateral incision cavity plate is bolted in cavity plate drive block side, and the cavity plate drive block other side is connected through a screw thread linkage bolt one end.The utility model is simple in structure, compact, reasonable, and manufacturing process is simple, can improve production efficiency, improves stock utilization, reduces the waste of manpower financial capacity, ensures product quality, reduces production cost.

Description

Single drive punch side cutting stamping die

technical field

The utility model relates to a side-cut stamping die, in particular to a single-drive punch side-cut stamping die, which belongs to the technical field of cold stamping dies.

Background technique

With the improvement of stamping technology, more and more lightweight design applications for automobiles, electrical appliances, motors, instruments, etc. To realize the light weight of the product, due to the small size of the product, the ordinary side-cut structure can no longer realize the process of product side-cut, and it will gradually withdraw from the stage of history.

Contents of the invention

The purpose of this utility model is to overcome the above disadvantages, thereby providing a side cutting stamping die with a single driving punch. The movement of the side cutting convex and concave die is driven by a driving punch, which greatly improves the stability of the side cutting and avoids the side cutting of the convex and concave die. Out-of-synchronization causes damage to the side-cut punch and die.

According to the technical solution provided by the utility model, the single-drive punch side-cut stamping die includes an upper mold assembly and a lower mold assembly correspondingly arranged up and down, and is characterized in that: the lower end of the upper mold assembly is respectively connected to the driving punch and the pressing material through bolts The upper end of the pressing plate is connected to the pressing plate spring, the upper end of the pressing plate spring is connected to the upper die assembly, the upper die assembly is equipped with a ejector spring, the lower end of the ejector spring is connected to the ejector rod, and the lower die assembly is fixed and pressed A spring limit block, a punch compression spring is arranged between the compression spring limit block and the punch driving block;

The lower die assembly is provided with a side-cutting punch and a side-cutting die, the side-cutting punch is connected to the side-cutting punch fixing plate by bolts, one side of the side-cutting punch fixing plate is bolted to the punch driving block, and the side-cutting die is connected to the side-cutting punch by bolts The side of the die drive block and the other side of the die drive block are connected to one end of the linkage bolt through threads, and the other end of the linkage bolt passes through the punch drive block and is fitted with a linkage spring. The front and rear ends of the linkage spring respectively press and contact the punch drive block and the linkage bolt. The upper limit structure; the lower mold assembly is provided with a lower mold floating block, the lower end of the lower mold floating block is connected to the limit rod through a bolt, and the lower end of the limit rod is slidably connected to the lower die assembly. A floating spring is arranged, and the upper end of the floating spring is connected with the floating block of the lower die.

Further, the upper die assembly includes an upper die base, an upper backing plate and a punch fixing plate, the lower end of the upper die base is connected to the upper backing plate, and the lower end of the upper backing plate is connected to the punch fixing plate.

Further, the lower mold assembly includes a lower mold base, a lower backing plate and a lower formwork, the upper end of the lower mold base is connected to the lower backing plate, and the upper end of the lower backing plate is connected to the lower formwork.

Further, a guide mechanism is provided between the upper mold assembly and the lower mold assembly.

Further, the guide mechanism includes a guide rod and a guide sleeve, the lower end of the guide rod is fixed on the lower die assembly, the guide sleeve is fixed on the upper die assembly, and the upper part of the guide rod is slidably connected in the guide sleeve.

Further, a limiting mechanism is provided between the upper mold assembly and the lower mold assembly.

Further, the limit mechanism includes a lower limit block and an upper limit block correspondingly arranged up and down, the lower limit block is connected to the lower die assembly by bolts, and the upper limit block is connected to the upper die assembly by bolts.

Compared with the prior art, the utility model has the following advantages:

The utility model has simple, compact and reasonable structure, simple manufacturing process, can improve production efficiency, improve material utilization rate, reduce waste of human and financial resources, ensure product quality and reduce production cost.

Description of drawings

Fig. 1 is a front view of the utility model.

Figure 2 is the front view of the upper mold assembly.

Figure 3 is a front view of the lower mold assembly.

Fig. 4 is a perspective view of the lower mold assembly.

Explanation of reference signs: 1-upper die base, 2-upper backing plate, 3-punch fixing plate, 4-driving punch, 5-binder plate, 6-binder spring, 7-ejector rod, 8- Ejector spring, 9-guide rod, 10-guide sleeve, 11-lower limit block, 12-upper limit block, 13-lower mold seat, 14-lower backing plate, 15-lower template, 16-side cutting punch, 17 -side cutting die, 18-side cutting punch fixing plate, 19-punch driving block, 20-die driving block, 21-linkage bolt, 22-linkage spring, 23-punch pressing spring, 24-pressing spring limit Bit block, 25-lower mold floating block, 26-floating spring, 27-limiting rod.

Detailed ways

Below the utility model will be further described in conjunction with the embodiment in the accompanying drawing:

As shown in Figures 1 to 4, the utility model mainly includes an upper mold assembly and a lower mold assembly arranged correspondingly up and down. The lower end of the upper mold assembly is respectively connected with the driving punch 4 and the binder plate 5 by bolts, the upper end of the binder plate 5 is connected with the binder spring 6, and the upper end of the binder spring 6 is connected with the upper mold assembly. A push rod spring 8 is arranged in the upper die assembly, and the lower end of the push rod spring 8 is connected to the push rod 7 .

The upper die assembly includes an upper die base 1, an upper backing plate 2 and a punch fixing plate 3, the lower end of the upper die base 1 is connected with the upper backing plate 2, and the lower end of the upper backing plate 2 is connected with the punch fixing plate 3.

The lower mold assembly is provided with a side cutting punch 16 and a side cutting die 17, the side cutting punch 16 is connected to the side cutting punch fixing plate 18 by bolts, and the side cutting punch fixing plate 18 side bolts are connected to the punch driving block 19. The side cutting die 17 is connected to the side of the die drive block 20 by bolts, the other side of the die drive block 20 is threaded to one end of the linkage bolt 21, and the other end of the linkage bolt 21 passes through the punch drive block 19 and is fitted with a linkage spring 22 for linkage. The front and rear ends of the spring 22 press and contact the limiting structures on the punch driving block 19 and the linkage bolt 21 respectively.

A compression spring limiting block 24 is fixed on the lower die assembly, and a punch compression spring 23 is arranged between the compression spring limiting block 24 and the punch driving block 19 .

The lower mold assembly is provided with a lower mold floating block 25, the lower end of the lower mold floating block 25 is connected with a stop bar 27 by a bolt, and the lower end of the stop bar 27 is slidably connected to the lower die assembly. A floating spring 26 is arranged in the lower mold assembly, and the upper end of the floating spring 26 is connected with the floating block 25 of the lower mold.

The lower mold assembly includes a lower mold base 13 , a lower backing plate 14 and a lower template 15 , the upper end of the lower mold base 13 is connected to the lower backing plate 14 , and the upper end of the lower backing plate 14 is connected to the lower template 15 .

A guiding mechanism is provided between the upper mold assembly and the lower mold assembly, and the guiding mechanism plays a guiding role in the operation of the mold. The guide mechanism comprises a guide rod 9 and a guide sleeve 10, the lower end of the guide rod 9 is fixed on the lower die assembly, the guide sleeve 10 is fixed on the upper die assembly, and the guide rod 9 top is slidably connected in the guide sleeve 10.

A limit mechanism is arranged between the upper mold assembly and the lower mold assembly, and the limit mechanism limits the closed height of the mould. The limit mechanism includes a lower limit block 11 and an upper limit block 12 correspondingly arranged up and down. The lower limit block 11 is connected to the lower die assembly by bolts, and the upper limit block 12 is connected to the upper die assembly by bolts.

The working principle of the utility model is: when the slider of the punch press slides down from the highest point, until the pressing plate of the mold touches the product, the product touches the floating material of the lower mold, and at the same time, the ejector pin of the upper mold touches the floating material of the lower mold . The upper mold continues to descend until the floating block of the lower mold and the lower backing plate are completely attached, and at this time the pressing plate of the upper mold is also fully attached to the product; the mold continues to descend, and the ejector pin of the upper mold shrinks back during this process, The driving punch, the driving block of the side-cutting die and the driving block of the side-cutting punch are in contact at the same time; the driving block of the side-cutting die and the side-cutting die are fixed together by bolts, and the side-cutting punch is fixed on the fixing plate of the side-cutting punch by bolts, and the side-cutting punch The die fixing plate is fixed together by the bolt and the punch driving block; under the action of the driving punch, the side cutting die is driven by the driving block of the side cutting die to move horizontally to the left, and the side cutting punch and the side cutting punch fixing plate Driven by the driving block of the punch, the punch moves to the right together until the limit mechanism is closed and the mold is completely closed; the side-cutting punch, side-cutting die and product complete the side-cutting. After the side cutting is completed, the upper die starts to move upwards. At this time, the upper die drives the punch to move with the upper die. The side cutting die and the driving block of the side cutting die move horizontally to the right under the action of the spring. The side cutting punch and the side cutting punch fixing plate The driving block of the punch and side cutting punch moves horizontally to the left under the action of the spring, the pressing block of the upper die and the ejector rod move upward with the upper die, and the floating block of the lower die moves upward with the product until the punch reaches the upper dead point, completing a cycle .

The utility model has simple, compact and reasonable structure, simple manufacturing process, can improve production efficiency, improve material utilization rate, reduce waste of human and financial resources, ensure product quality and reduce production cost.

Claims (7)

1. A single-drive punch side-cut stamping die, including an upper die assembly and a lower die assembly set up and down correspondingly, and its feature is: the lower end of the upper die assembly is connected to the driving punch (4) and the binder plate respectively by bolts (5), the upper end of the clamping plate (5) is connected to the clamping plate spring (6), the upper end of the clamping plate spring (6) is connected to the upper die assembly, and the upper die assembly is provided with a ejector spring (8), and the ejector rod The lower end of the spring (8) is connected to the ejector rod (7), and the compression spring limit block (24) is fixed on the lower die assembly, and a convex spring is provided between the compression spring limit block (24) and the punch drive block (19). Die compression spring (23); The lower die assembly is provided with a side-cutting punch (16) and a side-cutting die (17), the side-cutting punch (16) is connected to the side-cutting punch fixing plate (18) by bolts, and the side-cutting punch fixing plate (18) is a The side bolt is connected to the punch drive block (19), the side cutting die (17) is connected to the side of the die drive block (20) by bolts, and the other side of the die drive block (20) is connected to one end of the linkage bolt (21) by threads. The other end of the linkage bolt (21) passes through the punch driving block (19) and sets the linkage spring (22). Limiting structure; the lower mold assembly is provided with a lower mold floating block (25), the lower end of the lower mold floating block (25) is connected to the limit rod (27) by bolts, and the lower end of the limit rod (27) is slidably connected to the lower die On the assembly, a floating spring (26) is arranged in the lower mold assembly, and the upper end of the floating spring (26) is connected with the floating block (25) of the lower mold. 2. The single-drive punch side-cut stamping die according to claim 1, characterized in that: the upper die assembly includes an upper die base (1), an upper backing plate (2) and a punch fixing plate (3), The lower end of the upper die base (1) is connected with the upper backing plate (2), and the lower end of the upper backing plate (2) is connected with the punch fixing plate (3). 3. The single-drive punch side-cut stamping die according to claim 1, characterized in that: the lower die assembly includes a lower die base (13), a lower backing plate (14) and a lower template (15), and the lower die The upper end of the seat (13) is connected with the lower backing plate (14), and the upper end of the lower backing plate (14) is connected with the lower formwork (15). 4. The single-drive punch side-cut stamping die according to claim 1, characterized in that: a guide mechanism is provided between the upper die assembly and the lower die assembly. 5. The single-drive punch side-cut stamping die according to claim 4, characterized in that: the guide mechanism includes a guide rod (9) and a guide sleeve (10), and the lower end of the guide rod (9) is fixed on the lower die assembly , the guide sleeve (10) is fixed on the upper mold assembly, and the upper part of the guide rod (9) is slidably connected in the guide sleeve (10). 6. The single-drive punch side-cut stamping die according to claim 1, characterized in that: a limit mechanism is provided between the upper die assembly and the lower die assembly. 7. The single-drive punch side-cut stamping die according to claim 6, characterized in that: the limit mechanism includes a lower limit block (11) and an upper limit block (12) correspondingly arranged up and down, and the lower limit block (11 ) is connected to the lower mold assembly by bolts, and the upper limit block (12) is connected to the upper mold assembly by bolts.