CN221966531U - A punching device for processing cast iron parts - Google Patents

Abstract

The utility model belongs to the technical field of stamping equipment, concretely relates to stamping device of cast iron spare processing, the on-line screen storage device comprises a workbench, the top of workstation is provided with the bed die, all be fixed with the bracing piece on the top four corners of workstation, the top of four bracing pieces is provided with the fixed plate, the top of fixed plate is provided with the pneumatic cylinder, the output shaft of pneumatic cylinder is located the fixed plate below and is provided with the movable plate, the bottom of movable plate is provided with the last mould with bed die complex, the bottom of workstation just is located the bed die both sides and all is fixed with the guide arm, slidable mounting has the connecting plate about the outer wall of guide arm, one side of connecting plate is fixed with the ejector pin, two first guide holes with ejector pin sliding connection have been link up to the interior bottom wall of bed die, the opposite side of connecting plate is fixed with first pull rod; the utility model discloses simple structure, convenient operation can be unloaded the work piece of bed die voluntarily, avoids the work piece card in the bed die to improve the result of use of equipment, also improved the punching press efficiency of equipment, and then also reduced intensity of labour.

Description

A punching device for processing cast iron parts

Technical Field

The utility model belongs to the technical field of stamping equipment, and specifically relates to a stamping device for processing cast iron parts.

Background Art

The cast iron products industry includes the manufacturing of structural cast iron products, cast iron tools, containers and cast iron packaging containers, stainless steel and similar daily cast iron products, etc. With the progress of society and the development of science and technology, cast iron products are being used more and more widely in industry, agriculture and all areas of people's lives, creating more and more value for society.

Stamping is a forming method that uses a press and a die to apply external force to plates, strips, pipes and profiles to cause them to undergo plastic deformation or separation, thereby obtaining workpieces (stampings) of the desired shape and size. The blanks for stamping are mainly hot-rolled and cold-rolled steel plates and strips.

After the current stamping equipment completes the stamping of the workpiece, the workpiece will be deeply sunken or stuck in the lower die, which makes it very inconvenient to remove, increases labor intensity, and thus reduces the overall stamping production efficiency.

Utility Model Content

The purpose of the present invention is to provide a stamping device for processing cast iron parts, which has a simple structure, is easy to operate, and can automatically unload the workpiece of the lower mold to avoid the workpiece being stuck in the lower mold, thereby improving the use effect of the equipment, and also improving the stamping efficiency of the equipment, thereby also reducing labor intensity.

The technical solutions adopted in this utility are as follows:

A stamping device for processing cast iron parts comprises a workbench, a lower mold is arranged on the top of the workbench, support rods are fixed on the four corners of the top of the workbench, a fixed plate is arranged on the top of the four support rods, a hydraulic cylinder is arranged on the top of the fixed plate, a movable plate is arranged below the fixed plate, an upper mold matching the lower mold is arranged at the bottom of the movable plate, guide rods are fixed at the bottom of the workbench and on both sides of the lower mold, a connecting plate is slidably installed on the outer wall of the guide rod, a push rod is fixed on one side of the connecting plate, and two first guide holes slidably connected to the push rods are provided on the inner bottom wall of the lower mold. A first pull rod is fixed to the other side of the connecting plate, and two second guide holes are provided on the top of the workbench and are slidably connected to the first pull rod. A first clamping block is fixed to the top of the first pull rod and located above the workbench, and second pull rods are rotatably installed at the bottom of the movable plate and located on both sides of the upper mold. A second clamping block matching the first clamping block is provided at the bottom of the second pull rod, and the second clamping block is located above the upper mold. A mounting plate is fixed to one side of the second pull rod, and an inclined groove is provided on the outer wall of the mounting plate. Mounting ears are fixed to the bottom of the fixed plate and located on one side of the second pull rod, and a sliding block matching the inclined groove is fixed between the outer walls of the mounting ears.

Furthermore, an L-shaped limiting plate is fixed at the bottom of the movable plate and located on one side of the second pull rod, a first spring is fixed on one side of the L-shaped limiting plate, and the other end of the first spring is fixed to the outer wall of the second pull rod.

Furthermore, a second spring is provided on the outer wall of the guide rod and above the connecting plate.

Furthermore, clamping assemblies are provided on both sides of the inner wall of the lower mold, and plug-in grooves are symmetrically opened on both sides of the inner wall of the lower mold of the clamping assembly. A clamping block is slidably installed inside the lower mold, and a third spring is fixed on one side of the clamping block, and the other end of the third spring is fixed to the inner wall of the plug-in groove.

The technical effects achieved by this utility model are:

The present invention discloses a stamping device for processing cast iron parts. A push rod is arranged on the device. After the stamping of the equipment is completed, the first clamping block and the second clamping buckle are buckled with each other. The first pull rod is pulled up by the second pull rod, and the first pull rod drives the push rod on the connecting plate to move up, so that the workpiece in the lower mold is ejected, which is convenient for unloading. When the slider contacts the inclined groove, the second pull rod is rotated to separate the first clamping block and the second clamping block, which is convenient for resetting the push rod and continuing to use next time. The structure is simple and the operation is convenient. The workpiece of the lower mold can be unloaded automatically to avoid the workpiece being stuck in the lower mold, thereby improving the use effect of the equipment, and also improving the stamping efficiency of the equipment, thereby reducing the labor intensity.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a front view of a three-dimensional structure of the present utility model;

FIG2 is a schematic side view of the three-dimensional structure of the present invention;

FIG3 is a schematic diagram of the enlarged structure of the A area in FIG1 of the present invention;

FIG. 4 is a schematic diagram of the enlarged structure of area B in FIG. 2 of the present invention.

In the accompanying drawings, the components represented by the reference numerals are listed as follows:

1. Workbench; 2. Lower mold; 3. Support rod; 4. Fixed plate; 5. Hydraulic cylinder; 6. Moving plate; 7. Upper mold; 8. Guide rod; 9. Connecting plate; 10. Push rod; 11. First pull rod; 12. First clamping block; 13. Second pull rod; 14. Second clamping block; 15. L-shaped limit plate; 16. First spring; 17. Mounting ear; 18. Slider; 19. Mounting plate; 20. Bevel groove; 21. Second spring; 22. Clamping assembly.

DETAILED DESCRIPTION

In order to make the purpose and advantages of the present invention more clearly understood, the present invention is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present invention, and does not strictly limit the scope of protection specifically requested by the present invention.

As shown in Fig. 1-4, a stamping device for processing cast iron parts includes a workbench 1, a lower mold 2 is arranged on the top of the workbench 1, support rods 3 are fixed on the four corners of the top of the workbench 1, a fixed plate 4 is arranged on the top of the four support rods 3, a hydraulic cylinder 5 is arranged on the top of the fixed plate 4, the output shaft of the hydraulic cylinder 5 is located below the fixed plate 4, a movable plate 6 is arranged, and an upper mold 7 cooperating with the lower mold 2 is arranged at the bottom of the movable plate 6, guide rods 8 are fixed at the bottom of the workbench 1 and on both sides of the lower mold 2, a connecting plate 9 is slidably installed on the outer wall of the guide rod 8, a push rod 10 is fixed on one side of the connecting plate 9, two first guide holes slidably connected to the push rod 10 are opened through the inner bottom wall of the lower mold 2, a first pull rod 11 is fixed on the other side of the connecting plate 9, and two first guide holes slidably connected to the push rod 10 are opened through the top of the workbench 1 11 is a second guide hole slidably connected, a first clamping block 12 is fixed at the top of the first pull rod 11 and located above the workbench 1, a second pull rod 13 is rotatably installed at the bottom of the movable plate 6 and located on both sides of the upper mold 7, a second clamping block 14 matching the first clamping block 12 is arranged at the bottom of the second pull rod 13, and the second clamping block 14 is located above the upper mold 7, a mounting plate 19 is fixed on one side of the second pull rod 13, an inclined groove 20 is opened on the outer wall of the mounting plate 19, a mounting ear 17 is fixed on the bottom of the fixed plate 4 and located on one side of the second pull rod 13, and a slider 18 matching the inclined groove 20 is fixed between the outer walls of the mounting ears 17, the structure is simple, and the operation is convenient. After the workpiece is stamped, the workpiece can be automatically ejected from the inside of the lower mold 2 by the ejector rod 10, which is convenient for taking materials, relatively square edges, and reduces labor intensity;

As shown in Figures 1-4, an L-shaped limiting plate 15 is fixed to the bottom of the movable plate 6 and located on one side of the second pull rod 13, a first spring 16 is fixed to one side of the L-shaped limiting plate 15, and the other end of the first spring 16 is fixed to the outer wall of the second pull rod 13. The L-shaped limiting plate 15 is convenient for installing and fixing the first spring 16, and is also convenient for limiting the rotation of the second pull rod 13, and is convenient for the second clamping block 14 at the bottom end of the second pull rod 13 to buckle and separate from the first clamping block 12, which is more practical; a stopper is fixed to the bottom end of the guide rod 8, which is convenient for limiting the movement of the connecting plate 9 and preventing the connecting plate 9 from separating from the guide rod 8; a second spring 21 is provided on the outer wall of the guide rod 8 and located above the connecting plate 9, which is convenient for automatic resetting of the connecting plate 9 to prevent it from getting stuck, which is more practical;

As shown in FIG2 , a clamping assembly 22 is provided on both sides of the inner wall of the lower mold 2. The clamping assembly 22 has plug-in grooves symmetrically provided on both sides of the inner wall of the lower mold 2. A clamping block is slidably installed inside the lower mold 2. A third spring is fixed on one side of the clamping block. The other end of the third spring is fixed to the inner wall of the plug-in groove, which is convenient for clamping and fixing the workpiece of the lower mold 2, improving the stability of stamping and the quality of the product, and is relatively useful.

As shown in FIG. 1-2 , support legs are fixed to the four bottom corners of the workbench 1 to facilitate stable support of the equipment, thereby improving the working stability of the equipment.

The working principle of the utility model is as follows: when in use, the workpiece is placed in the lower mold 2, the clamping block is pushed by the third spring to clamp and fix the workpiece, and then the hydraulic cylinder 5 is started, the hydraulic cylinder 5 drives the movable plate 6 to descend, and the movable plate 6 drives the upper mold 7 to descend, and the workpiece on the lower mold 2 is punched, and at the same time the movable plate 6 drives the second pull rod 13 to descend, so that the second clamping block 14 on the bottom end of the second pull rod 13 descends to the bottom of the first clamping block 12, and when the second clamping block 14 descends, it will contact with the first clamping block 12, and the second pull rod 13 will rotate to one side, so that the second clamping block 14 can smoothly descend to the bottom of the first clamping block 12, and after the stamping is completed, the hydraulic cylinder 5 drives the movable plate 6 to rise, so that the lower mold 2 is separated from the upper mold 7, and during the rising process of the movable plate 6, the second clamping block 14 on the second pull rod 13 The first clamping block 14 and the first clamping block 12 on the first pull rod 11 are engaged with the second clamping block 14 through the elastic force of the first spring 16, so that the first pull rod 11 can be pulled up by the second pull rod 13, and the first pull rod 11 drives the ejector rod 10 on the connecting plate 9 to move up, so as to eject the workpiece in the lower mold 2, which is convenient for material removal. After ejection, the movable plate 6 continues to move up, so that the mounting plate 19 on one side of the second pull rod 13 moves up, and the mounting plate 19 drives the inclined groove 20 to move up and slides with the slider 18 on the mounting ear 17, so that the second pull rod 13 rotates to one side, so that the second clamping block 14 is separated from the first clamping block 12, and then the elastic force of the second spring 21 drives the connecting plate 9 to move down, so that the first pull rod 11 and the ejector rod 10 are reset, which is convenient for continued use next time.

The above is only a preferred embodiment of the present invention. It should be noted that, for ordinary technicians in the field, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention. The structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to the conventional means in the field unless otherwise specified and limited.

Claims (6)

1. A stamping device for processing cast iron parts, characterized in that it comprises a workbench (1), a lower mold (2) is arranged on the top of the workbench (1), support rods (3) are fixed on the four corners of the top of the workbench (1), and the tops of the four support rods (3) are provided with fixed plates (4), a hydraulic cylinder (5) is arranged on the top of the fixed plate (4), the output shaft of the hydraulic cylinder (5) is located below the fixed plate (4), a movable plate (6) is arranged, and an upper mold (7) matching the lower mold (2) is arranged at the bottom of the movable plate (6), guide rods (8) are fixed at the bottom of the workbench (1) and on both sides of the lower mold (2), a connecting plate (9) is slidably installed on the outer wall of the guide rod (8), a push rod (10) is fixed on one side of the connecting plate (9), the inner bottom wall of the lower mold (2) is provided with two first guide holes slidably connected to the push rod (10), and the connecting plate ( A first pull rod (11) is fixed on the other side of the movable plate (6), two second guide holes are provided on the top of the workbench (1) and are slidably connected to the first pull rod (11), a first clamping block (12) is fixed at the top of the first pull rod (11) and located above the workbench (1), a second pull rod (13) is rotatably installed at the bottom of the movable plate (6) and located on both sides of the upper mold (7), a second clamping block (14) is provided at the bottom end of the second pull rod (13) and is matched with the first clamping block (12), and the second clamping block (14) is located above the upper mold (7), a mounting plate (19) is fixed on one side of the second pull rod (13), an outer wall of the mounting plate (19) is provided with an inclined groove (20), a mounting ear (17) is fixed at the bottom of the fixed plate (4) and located on one side of the second pull rod (13), and a slider (18) matching with the inclined groove (20) is fixed between the outer walls of the mounting ears (17). 2. A stamping device for processing cast iron parts according to claim 1, characterized in that an L-shaped limit plate (15) is fixed at the bottom of the movable plate (6) and on one side of the second pull rod (13), a first spring (16) is fixed on one side of the L-shaped limit plate (15), and the other end of the first spring (16) is fixed to the outer wall of the second pull rod (13). 3. A stamping device for processing cast iron parts according to claim 1, characterized in that a stopper is fixed to the bottom end of the guide rod (8). 4. A stamping device for processing cast iron parts according to claim 1, characterized in that a second spring (21) is provided on the outer wall of the guide rod (8) and above the connecting plate (9). 5. A stamping device for processing cast iron parts according to claim 1, characterized in that: clamping components (22) are provided on both sides of the inner wall of the lower mold (2), and the clamping components (22) are symmetrically provided with plug-in grooves on both sides of the inner wall of the lower mold (2), and a clamping block is slidably installed inside the lower mold (2), a third spring is fixed to one side of the clamping block, and the other end of the third spring is fixed to the inner wall of the plug-in groove. 6. A stamping device for processing cast iron parts according to claim 1, characterized in that support legs are fixed at the four corners of the bottom of the workbench (1).