CN207872850U - A kind of machine die for punching machine - Google Patents

Abstract

The utility model discloses a mechanical mold for a punching machine, which comprises a mechanical mold body, punching holes are opened on the upper surface of the mechanical mold body, and workpiece placement grooves are opened on both sides of the mechanical mold body. Waste collection boxes are slidably installed on both side surfaces of the mold body close to the lower part of the workpiece placement groove, and a buffer device is fixedly connected to the lower surface of the mechanical mold body. The utility model, through the buffer device, can minimize the impact force generated by the collision when the punch of the punch press collides with the mechanical mold; through the waste material collection box, the waste produced in the process of processing precision parts by the punch press can be collected Collecting and processing improves the working efficiency of mechanical molds; the structure is scientific and reasonable, safe and convenient to use, which improves the practical performance of mechanical molds and makes mechanical molds more suitable for precision parts processing of punching machines.

Description

A mechanical mold for a punching machine

technical field

The utility model relates to the technical field of mechanical molds, in particular to a mechanical mold used for punching machines.

Background technique

A mechanical mold is a tool used to shape objects. This tool is composed of various parts. Different molds are composed of different parts. It mainly realizes the processing of the shape of the object through the change of the physical state of the formed material. Mechanical molds are often used in punching machines. processing of precision parts.

However, the commonly used mechanical molds are not only complex in structure, but also have single functions, which are not suitable for the processing of precision parts of punching machines. Because the working principle of punching machines is to use huge impact force, the surface of the plate or rod to be processed will be A certain shape of hole or groove is stamped out, and at the moment when the punch of the punching machine falls, a collision occurs between the punch and the mechanical mold, thereby forming a certain impact force, but due to the poor cushioning performance of the mechanical mold, the mechanical mold is used It is easy to be deformed or even damaged, and then cannot be used again, causing certain economic losses; the punch of the punch is not effectively disposed of in the process of punching the rod or plate out of the through hole, which will affect the machine. The normal use of the mold reduces the working efficiency of the punch press.

Utility model content

The purpose of this utility model is to solve the problem that the mechanical mold in the prior art is not only complex in structure, but also has a single function, which is not suitable for the processing of precision parts of the punching machine. The surface of the processed plate or rod is punched with a certain shape of hole or groove. At the moment when the punch of the punch falls, the punch collides with the mechanical mold, thereby forming a certain impact force, but due to the cushioning performance of the mechanical mold Poor, so that the mechanical mold is prone to deformation or even damage during use, and then cannot be used again, resulting in certain economic losses; the punch of the punch is in the process of punching the rod or plate out of the through hole, and the waste generated is not obtained. Effective treatment will affect the normal use of mechanical molds and reduce the working efficiency of punching machines, so a mechanical mold for punching machines is proposed.

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

A mechanical mold for a punching machine, comprising a mechanical mold body, punching holes are opened on the upper surface of the mechanical mold body, and workpiece placement grooves are opened on both sides of the mechanical mold body, the two sides of the mechanical mold body A waste material collection box is slidably installed at the position below the surface close to the workpiece placement groove, and a buffer device is fixedly connected to the lower surface of the mechanical mold body.

Preferably, the buffer device includes a pressure bearing plate, a first rotating shaft, a first pressure bearing rod, a first limit rod, a second pressure bearing rod, a first buffer spring, a first pin shaft, a third pressure bearing rod, The second limiting rod, the fourth pressure bearing rod, the second buffer spring, the second pin shaft, the telescopic rod, the third buffer spring, the fixed plate and the second rotating shaft, the top of the buffer device is provided with a pressure bearing plate, so The lower surface of the pressure bearing plate is fixedly installed with a first rotating shaft, the inside of the first rotating shaft is fixedly connected with a first pressure bearing rod, and the middle rear surface of the first pressure bearing rod is fixedly connected with a first limit rod, And the lower end of the first bearing rod is rotatably connected to the second bearing rod through the first pin shaft, the first buffer spring is sleeved on the outside of the first limit rod, and the inside of the first rotating shaft is close to the first bearing A third pressure bearing rod is fixedly connected to the rear surface of the pressure rod, and a second limit rod is fixedly connected to the rear surface of the middle part of the third pressure bearing rod, and the lower end of the third pressure bearing rod is rotated by the second pin A fourth pressure bearing rod is connected, a second buffer spring is sleeved outside the second limit rod, and a telescopic rod is fixedly installed on the side of the lower surface of the pressure bearing plate close to the first rotating shaft. The bottom of the telescopic rod is sleeved with a third buffer spring, and the lower end of the telescopic rod is fixedly connected with a fixed plate, between the lower end of the second pressure-bearing rod and the upper surface of the fixed plate, and between the lower end of the fourth pressure-bearing rod and the fixed plate. The upper surfaces of the plates are rotatably connected by the second rotating shaft.

Preferably, there are two buffer devices, the mechanical mold body and the buffer devices are fixedly connected by bolts, and the number of bolts is nine.

Preferably, the mechanical mold body and the waste collection box are slidably connected through slide rails, and the number of slide rails is two.

Preferably, a protective pad is fixedly installed at the inner bottom of the waste collection box, and the protective pad is a member made of rubber.

Preferably, both the punching hole and the inner wall of the workpiece placement groove are provided with a wear-resistant layer, and the wear-resistant layer is a member made of high manganese steel.

Compared with the prior art, the utility model provides a mechanical mold for a punching machine, which has the following beneficial effects: through the buffer device, when the punch of the punching machine collides with the mechanical mold, the impact force generated by the collision can be reduced. Make the maximum reduction, avoiding the problem that due to the poor cushioning performance of the mechanical mold, the mechanical mold is prone to deformation or even damage during use, and then cannot be used again, causing certain economic losses; through the waste collection box, the The waste generated during the processing of precision parts by the punching machine is collected and processed, which avoids that the waste generated by the punch of the punching machine in the process of punching the rod or plate out of the through hole is not effectively processed, which will affect the mechanical mold. Normal use reduces the working efficiency of the punching machine; the structure is scientific and reasonable, safe and convenient to use, which improves the practical performance of the mechanical mold and makes the mechanical mold more suitable for the processing of precision parts of the punching machine.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the side view of the utility model mechanical mold body;

Fig. 3 is a structural schematic diagram of the buffer device of the present invention.

In the figure: 1. Mechanical mold body; 2. Punching hole; 3. Work piece placement slot; 4. Waste collection box; 5. Buffer device; 51. Pressure bearing plate; 52. First rotating shaft; 53. First bearing rod ; 54, the first limit rod; 55, the second pressure rod; 56, the first buffer spring; Four bearing rods; 511, the second buffer spring; 512, the second bearing pin; 513, the expansion rod; 514, the third buffer spring; 515, the fixed plate; 516, the second rotating shaft.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figures 1-3, a mechanical mold for a punching machine includes a mechanical mold body 1, a punching hole 2 is opened on the upper surface of the mechanical mold body 1, and workpiece placement grooves 3 are opened on both sides of the mechanical mold body 1 A waste collection box 4 is slidably installed on both sides of the mechanical mold body 1 close to the lower position of the workpiece placement groove 3, and a buffer device 5 is fixedly connected to the lower surface of the mechanical mold body 1 .

In order to improve the buffer performance of the mechanical mold body 1, in this embodiment, preferably, the buffer device 5 includes a pressure bearing plate 51, a first rotating shaft 52, a first pressure bearing rod 53, a first limit rod 54, a second pressure bearing Rod 55, first buffer spring 56, first pin shaft 57, third pressure bearing rod 58, second limit rod 59, fourth pressure bearing rod 510, second buffer spring 511, second pin shaft 512, telescopic rod 513, the third buffer spring 514, the fixed plate 515 and the second rotating shaft 516, the top of the buffer device 5 is provided with a pressure bearing plate 51, the lower surface of the pressure bearing plate 51 is fixedly installed with the first rotating shaft 52, the inside of the first rotating shaft 52 A first pressure bearing rod 53 is fixedly connected, the middle rear surface of the first pressure bearing rod 53 is fixedly connected with a first limit rod 54, and the lower end of the first pressure bearing rod 53 is rotatably connected with a second bearing pin 57. A pressure bearing rod 55, a first buffer spring 56 is sleeved on the outside of the first limit rod 54, a third pressure bearing rod 58 is fixedly connected to the inside of the first rotating shaft 52 close to the rear surface of the first pressure bearing rod 53, The middle rear surface of the third bearing rod 58 is fixedly connected with the second stop rod 59, and the lower end of the third bearing rod 58 is connected with the fourth bearing rod 510 through the second bearing pin 512, and the second stop rod The outside of 59 is sleeved with a second buffer spring 511, and the lower surface of the pressure bearing plate 51 is fixedly mounted on one side of the first rotating shaft 52 with a telescopic rod 513, and the bottom of the telescopic rod 513 is sleeved with a third buffer spring 514. And the lower end of telescoping rod 513 is fixedly connected with fixed plate 515, all pass The second rotating shaft 516 is rotatably connected.

In order to facilitate the installation and fixing of the buffer device 5, in this embodiment, preferably, there are two buffer devices 5, and the mechanical mold body 1 and the buffer device 5 are fixedly connected by bolts, and the number of bolts is nine.

In order to facilitate pulling out the waste collection box 4, in this embodiment, preferably, the mechanical mold body 1 and the waste collection box 4 are slidably connected through slide rails, and the number of slide rails is two.

In order to prevent waste materials from damaging the waste material collection box 4 when falling, in this embodiment, preferably, a protective pad is fixedly installed on the inner bottom of the waste material collection box 4, and the protection pad is a member made of rubber.

In order to improve the wear resistance of the punching hole 2 and the workpiece placement groove 3, in this embodiment, preferably, the inner walls of the punching hole 2 and the workpiece placement groove 3 are provided with a wear-resistant layer, and the wear-resistant layer is made of a high manganese steel material. components.

The working principle and application process of the utility model: put the plate or bar to be processed into the interior of the workpiece placement groove 3, and let the punch of the punch press enter the interior of the mechanical mold body 1 through the punching hole 2, so that the workpiece to be processed can be processed. The plate or bar is stamped and processed. During the stamping process, the impact force generated by the collision will act on the mechanical mold body 1 immediately, and then through the force transmission, the impact force is transmitted to the pressure bearing plate 51. Under the action of external force, the first buffer spring 56, the second buffer spring 511 and the third buffer spring 514 are all compressed, and at the same time, the first rotating shaft 52, the second rotating shaft 516, the first pin shaft 57 and the second pin shaft Under the action of 512, the distance between the first pressure bearing rod 53 and the second pressure bearing rod 55 is reduced, which increases the buffer distance of the impact force, thereby improving the buffer performance of the mechanical mold body 1. During the stamping process , the generated waste falls into the waste collection box 4, and under the action of the slide rail, the waste collection box 4 can be pulled out, thereby transferring the waste.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A mechanical mold for a punch press, comprising a mechanical mold body (1), is characterized in that, the upper surface of the mechanical mold body (1) is provided with a stamping hole (2), and the mechanical mold body (1) The surfaces on both sides are provided with workpiece placement grooves (3), and waste collection boxes (4) are slidably installed on both sides of the mechanical mold body (1) close to the lower positions of the workpiece placement grooves (3), and the mechanical mold A buffer device (5) is fixedly connected to the lower surface of the body (1). 2. A kind of mechanical mold for punching press according to claim 1, is characterized in that, described buffer device (5) comprises bearing plate (51), first rotating shaft (52), first bearing bar ( 53), the first limit rod (54), the second pressure rod (55), the first buffer spring (56), the first pin shaft (57), the third pressure rod (58), the second limit Rod (59), the fourth pressure bearing rod (510), the second buffer spring (511), the second pin shaft (512), telescopic rod (513), the third buffer spring (514), the fixed plate (515) and The second rotating shaft (516), the top of the buffer device (5) is provided with a pressure bearing plate (51), the lower surface of the pressure bearing plate (51) is fixedly installed with a first rotating shaft (52), the first The inside of the rotating shaft (52) is fixedly connected with a first pressure-bearing rod (53), and the middle rear surface of the first pressure-bearing rod (53) is fixedly connected with a first limit rod (54), and the first pressure-bearing rod The lower end of (53) is rotatably connected with the second bearing rod (55) through the first pin shaft (57), and the outside of the first limit rod (54) is sleeved with the first buffer spring (56). The inside of the first rotating shaft (52) is fixedly connected with a third pressure bearing rod (58) near the rear surface of the first pressure bearing rod (53), and the middle rear surface of the third pressure bearing rod (58) is fixedly connected There is a second limiting rod (59), and the lower end of the third bearing rod (58) is rotatably connected with a fourth bearing rod (510) through a second pin shaft (512), and the second limiting rod (59) ) is sleeved with a second buffer spring (511), and a telescopic rod (513) is fixedly installed on a side of the lower surface of the pressure bearing plate (51) close to the first rotating shaft (52), and the telescopic rod The bottom of (513) is sleeved with a third buffer spring (514), and the lower end of the telescopic rod (513) is fixedly connected with a fixed plate (515), and the lower end of the second pressure bearing rod (55) and the fixed plate (515) ) and between the lower end of the fourth bearing rod (510) and the upper surface of the fixed plate (515) are rotatably connected by the second rotating shaft (516). 3. A mechanical mold for a punch press according to claim 1, characterized in that, the number of the buffer device (5) is two, and the difference between the mechanical mold body (1) and the buffer device (5) is two. The spaces are fixed and connected by bolts, and the number of bolts is nine. 4. A kind of mechanical mold for punching press according to claim 1, is characterized in that, between described mechanical mold body (1) and waste material collection box (4) slide rail is connected, and the quantity of slide rail is two. 5. A mechanical mold for a punch press according to claim 1, characterized in that a protective pad is fixedly installed at the inner bottom of the waste collection box (4), and the protective pad is a member made of rubber. 6. A mechanical mold for a punching machine according to claim 1, characterized in that, the inner wall of the punching hole (2) and the workpiece placement groove (3) is provided with a wear-resistant layer, and the wear-resistant layer is a A component made of high manganese steel.