Punching device capable of rapidly replacing male die

Abstract

The utility model discloses a punching device capable of rapidly replacing a male die. The punching device comprises a base, a punching mechanism, a male die assembly and a female die assembly, the stamping mechanism is composed of a first sliding rail arranged on the base and a first sliding seat matched with the first sliding rail, the first sliding rail is vertically arranged, the first sliding seat is driven by a driving assembly and can slide up and down along the first sliding rail, and a fixing seat is arranged on the first sliding seat; the male die assembly is composed of a male die base and a male die, and the male die base is movably fixed to the fixing base. The utility model has the characteristics that the male die is convenient to replace, safe and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of punching dies, in particular to a punching device capable of quickly replacing a punch. Background Art

[0002] As one of the basic processes in industrial production, the punching process plays a vital role in the processing of various metal and non-metallic materials. As a type of industrial mold, the design and manufacturing level of the punching die directly affects the quality of the product and production efficiency. However, conventional punching dies have the following problems in the production process: First, due to wear, stress concentration and other reasons, the punch is a wearing part and needs to be replaced regularly or irregularly. The punch is installed on the movable die seat, and its replacement operation has the problem of small disassembly (installation) space and difficult operation; second, when processing workpieces of different sizes, it is also time-consuming and labor-intensive to replace the punch. In view of the above problems, it is necessary to design a punching mechanism with a quickly replaceable punch to achieve rapid replacement of the punch in the punching mechanism, ensure the smooth production process, reduce the maintenance time of the subsequent equipment, and improve production efficiency. Utility Model Content

[0003] The utility model is used to overcome the defects of the prior art and is a punching device capable of quickly replacing a punch, so as to solve the problems mentioned in the background art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A punching device capable of quickly replacing a punch comprises a base and a stamping mechanism, a punch assembly, and a die assembly arranged thereon; the stamping mechanism comprises a first slide rail arranged on the base and a first slide seat matching the first slide rail, the first slide rail being arranged vertically, the first slide seat being driven by a driving assembly and being able to slide up and down along the first slide rail, a fixed seat being provided on the first slide seat; the punch assembly comprises a punch seat and a punch, and the punch seat is movably fixed to the fixed seat.

[0006] The above-mentioned punching device that can quickly replace the punch is provided with a second slide rail on the fixed seat, the second slide rail is arranged horizontally, and the punch seat is provided with a second slider matching the second slide rail; a limiting plate is provided on the fixed seat, and the limiting plate can be movably fixed to the side of the fixed seat to limit the punch seat.

[0007] The above-mentioned punching device that can quickly replace the punch is also provided with a pressing plate in the punch assembly, and the pressing plate is provided with a hole matching the punch; a first guide column is provided on the pressing plate, and a guide hole matching the first guide column is provided on the punch seat, and the pressing plate and the punch seat are connected by a coil spring.

[0008] The punching device capable of quickly replacing the punch is characterized in that the punch seat is composed of a first half seat and a second half seat, and the first half seat and the second half seat are respectively provided with semicircular grooves, which match the outer cylindrical surface of the upper part of the punch.

[0009] The punching device capable of quickly replacing the punch is provided with an annular groove in the semicircular groove, and an annular protrusion matching the annular groove is provided on the outer circular surface of the upper part of the punch.

[0010] The above-mentioned punching device with quickly replaceable punches is provided with a second guide column under the fixed seat, and a guide support is provided on the base. A guide hole matching the second guide column is provided on the guide support. The second guide column is a two-section structure, the upper part is a cylinder, and the lower part is a frustum. The angle between the side surface of the frustum and the vertical plane is between 25-30 degrees.

[0011] The punching device capable of quickly replacing the punch, the die assembly is composed of a die base and a die arranged thereon. Beneficial effects

[0012] Compared to the prior art, the present invention has the following advantages: First, the punch base is movably fixed to the fixed base, employing a second slide rail provided on the fixed base and a second slider provided on the punch base that matches the second slide rail, thereby enabling the punch base to be quickly removed from the fixed base. Second, the punch base is composed of a first half base and a second half base, each of which is provided with a semicircular groove that matches the outer circumference of the punch. The advantage of this structure is that the punch base and the punch can be connected using an interference fit, which facilitates rapid replacement of the punch and ensures a stable and reliable connection between the punch base and the punch. Third, by aligning a second guide post provided below the fixed base with a guide hole provided on a guide support provided on the base, the second guide post of the two-stage structure gradually enters the guide hole when the fixed base descends. The cooperation between the second guide post and the guide hole in the guide support guides the punch and the die to align, ensuring the accuracy of the connection between the punch and the die. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is another schematic diagram of the overall structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the punch assembly of the utility model;

[0017] Figure 4 This is another structural diagram of the punch assembly of the utility model;

[0018] Figure 5 It is another structural schematic diagram of the punch assembly of the utility model.

[0019] The reference numerals in the figure represent:

[0020] 1. Base, 1-1. Guide support, 2. Stamping mechanism, 2-1. First slide rail, 2-2. First slide, 2-3. Driving assembly, 2-4. Fixed seat, 2-5. Limiting plate, 2-6. Second guide column, 2-7. Pressing plate, 3. Punch assembly, 3-1. Punch seat, 3-2. Punch, 3-3. Pressing plate, 3-4. Coil spring, 3-1-1. First half seat, 3-1-2. Second half seat, 3-1-11. Annular groove, 3-3-1. First guide column, 4. Die assembly, 4-1. Die seat, 4-2. Die. DETAILED DESCRIPTION

[0021] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0022] like Figure 1-5 As shown, the utility model includes a base 1 and a stamping mechanism 2, a punch assembly 3, and a die assembly 4 arranged thereon.

[0023] The stamping mechanism 2 comprises a first slide rail 2-1 mounted on a base 1 and a first slide 2-2 adapted to match the first slide rail 2-1. The first slide rail 2-1 is vertically disposed. The first slide 2-2 is driven by a drive assembly 2-3 and can slide up and down along the first slide rail 2-1. A fixed seat 2-4 is mounted on the first slide 2-2. The punch assembly 3 comprises a punch seat 3-1 and a punch 3-2. The punch seat 3-1 is movably fixed to the fixed seat 2-4. The die assembly 4 comprises a die seat 4-1 and a die 4-2 mounted thereon. The drive assembly 2-3 may be a hydraulic cylinder.

[0024] In order to ensure the stability of the first slide 2-2 sliding up and down along the first slide rail 2-1, a pressure plate 2-7 matching the first slide 2-2 is further provided on the base 1, and the pressure plate 2-7 is provided on both sides of the first slide 2-2.

[0025] The punch base 3-1 is movably fixed to the fixed base 2-4. The following design can be adopted: the fixed base 2-4 is provided with a second slide rail, which is arranged horizontally, and the punch base 3-1 is provided with a second slider that matches the second slide rail; the fixed base 2-4 is provided with a limit plate 2-5, which is movably fixed to the side of the fixed base 2-4 to limit the position of the punch base 3-1. The above second slide rail can be provided in a rectangular groove on the fixed base 2-4, and the second slide rail is arranged in the rectangular groove. The punch base 3-1 is provided with a second slider, and the punch base 3-1 is matched with the rectangular groove.

[0026] To facilitate reliable demoulding and assembly and disassembly of the punch, a pressure plate 3-3 is provided in the punch assembly 3. The pressure plate 3-3 is provided with a hole that matches the punch 3-2. The pressure plate 3-3 is provided with a first guide column 3-3-1. The punch base 3-1 is provided with a guide hole that matches the first guide column 3-3-1. The pressure plate 3-3 and the punch base 3-1 are connected by a coil spring 3-4. The first guide column 3-3-1 can be a discharge screw, such as Figure 4 The connection between the punch 3-2 and the punch base 3-1 can be designed as follows: the tail of the punch 3-2 is provided with a shoulder-shaped step design, and the punch base 3-1 is provided with a stepped through hole matching the punch 3-2, so as to facilitate the replacement and positioning of the punch.

[0027] The connection between the punch base 3-1 and the punch can also be designed as follows: the punch base 3-1 is composed of a first half base 3-1-1 and a second half base 3-1-2. The first half base 3-1-1 and the second half base 3-1-2 are each provided with a semicircular groove, which matches the outer cylindrical surface of the upper portion of the punch 3-2. The advantage of this design is that the punch base 3-1 and the punch 3-2 can be connected by an interference fit, which facilitates rapid replacement and ensures a stable and reliable connection between the punch base 3-1 and the punch 3-2.

[0028] In order to further ensure the stability of the connection between the punch seat 3-1 and the punch 3-2: an annular groove 3-1-11 is provided in the semicircular groove, and an annular protrusion matching the annular groove 3-1-11 is provided on the outer circular surface of the upper part of the punch 3-2.

[0029] To ensure accurate docking of the punch and die, a second guide post 2-6 is provided below the fixed seat 2-4, and a guide support 1-1 is provided on the base 1. The guide support 1-1 is provided with a guide hole that matches the second guide post 2-6. The second guide post 2-6 is a two-stage structure, with an upper cylindrical body and a lower frustum. The angle between the side of the frustum and the vertical plane is between 25-30 degrees. When the fixed seat 2-4 moves downward, the second guide post 2-6 moves downward with it. The frustum at its lower part first inserts into the guide hole on the guide support 1-1, which then guides the upper cylindrical body of the second guide post 2-6 into the guide hole. Through the cooperation between the second guide post 2-6 and the guide hole on the guide support 1-1, the punch and die are guided to align, ensuring the accuracy of the docking of the punch and die.

[0030] The above is a replacement solution for the punch. Sometimes, when the die is damaged or worn, it also needs to be replaced. The die assembly is relatively simple in structure and easy to replace. This is not the main problem to be solved by this invention, so it will not be described in detail. Of course, the wear of the die is much less than that of the punch. Another technical problem that can be solved by this utility model is that when the punch and die need to be replaced when processing workpieces of different sizes, the design solution of this utility model can be adopted to replace the punch assembly as a whole, which can also achieve rapid mold replacement.

Claims

1. A punching device capable of quickly replacing a punch, characterized in that: The invention comprises a base (1) and a stamping mechanism (2), a punch assembly (3), and a die assembly (4) arranged thereon; the stamping mechanism (2) is composed of a first slide rail (2-1) arranged on the base (1) and a first slide seat (2-2) matched with the first slide rail (2-1); the first slide rail (2-1) is arranged vertically; the first slide seat (2-2) is driven by a driving assembly (2-3) and can slide up and down along the first slide rail (2-1); a fixed seat (2-4) is arranged on the first slide seat (2-2); the punch assembly (3) is composed of a punch seat (3-1) and a punch (3-2); the punch seat (3-1) can be movably fixed on the fixed seat (2-4).

2. The punching device with a quick-change punch according to claim 1, characterized in that: The fixed seat (2-4) is provided with a second slide rail, which is arranged horizontally, and the punch seat (3-1) is provided with a second sliding block that matches the second slide rail; the fixed seat (2-4) is provided with a limiting plate (2-5), which is movably fixed to the side of the fixed seat (2-4) to limit the punch seat (3-1).

3. The punching device with a quick-change punch according to claim 1, characterized in that: A pressing plate (3-3) is also provided in the punch assembly (3), and a hole matching the punch (3-2) is provided on the pressing plate (3-3); a first guide column (3-3-1) is provided on the pressing plate (3-3), and a guide hole matching the first guide column (3-3-1) is provided on the punch seat (3-1). The pressing plate (3-3) and the punch seat (3-1) are connected via a coil spring (3-4).

4. The punching device with a quick-change punch according to claim 1, characterized in that: The punch seat (3-1) consists of a first half seat (3-1-1) and a second half seat (3-1-2), wherein the first half seat (3-1-1) and the second half seat (3-1-2) are respectively provided with a semicircular groove, and the semicircular groove matches the outer circular surface of the upper part of the punch (3-2).

5. The punching device with a rapidly replaceable punch according to claim 4, characterized in that: An annular groove (3-1-11) is provided in the semicircular groove, and an annular protrusion matching the annular groove (3-1-11) is provided on the outer circular surface of the upper part of the punch (3-2).

6. The punching device with a quick-change punch according to claim 1, characterized in that: A second guide column (2-6) is provided below the fixing seat (2-4), and a guide support (1-1) is provided on the base (1). A guide hole matching the second guide column (2-6) is provided on the guide support (1-1). The second guide column (2-6) is a two-section structure, with an upper portion being a cylinder and a lower portion being a frustum. The angle between the side surface of the frustum and the vertical plane is between 25 and 30 degrees.

7. The punching device with a quick-change punch according to claim 1, characterized in that: The die assembly (4) consists of a die base (4-1) and a die (4-2) arranged thereon.

Images