CN211588244U - Stable single-punch die of unloading - Google Patents

Abstract

The utility model discloses a single punching die with stable discharging, comprising an upper die seat and a guide plate; a lifting mechanism is arranged above the upper die seat, an upper gasket is fixed on the bottom surface of the upper mold seat, and the bottom end of the upper gasket is arranged There is a punch, the outer side of the punch is provided with a punch protection sleeve, the four corners of the bottom surface of the upper die base are provided with guide posts, and the other end of the guide posts is fixed on the surface of the lower die base; The top surface of the gasket is provided with a concave die, and the outer side of the concave die is sleeved with a concave die protective sleeve; the utility model realizes that no matter the workpiece adheres to the convex die, the upper discharge plate and the lower discharge plate are respectively arranged at the convex die and the concave die. Even the die can be stably unloaded, which solves the problem of difficult unloading due to burrs; and when the upper and lower unloading plates are unloading, they are guided by the guide plates on both sides to prevent In order to unbalance the force during unloading, the punch or the workpiece will be damaged.

Description

A single-punch die with stable discharge

technical field

The utility model relates to the technical field of mold manufacturing, in particular to a single-punch mold with stable discharging.

Background technique

Stamping is a forming and processing method that applies external force to sheets, strips, pipes and profiles by means of presses and dies to cause plastic deformation or separation to obtain workpieces of desired shape and size.

In actual use, it is found that after the stamping of the parts is completed, the parts are easy to adhere to the punch or the die, and the general stripper is only set on both sides of the punch, which can only solve the problem of sticking to the punch, resulting in unloading. The material is unstable; and the workpiece that has just been stamped and formed has burrs on the outer periphery, so it is difficult for workers to pick up the workpiece, which affects the production efficiency.

Utility model content

The purpose of the present utility model is to provide a single-punch die with stable discharge, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a single-punch die with stable discharging, comprising an upper die base and a guide plate; a lifting mechanism is arranged above the upper die base, and an upper pad is fixed on the bottom surface of the upper die base The bottom end of the upper gasket is provided with a punch, the outer side of the punch is sleeved with a punch protection sleeve, the four corners of the bottom surface of the upper die base are provided with guide posts, and the other end of the guide posts is fixed on the surface of the lower die base; the lower die base The surface is provided with a lower gasket, the top surface of the lower gasket is provided with a concave die, and the outer side of the concave die is provided with a concave die protective sleeve; the guide plates are arranged on both sides of the convex die, and one end of the guide plate is vertically fixed on the bottom surface of the upper die base, Baffles are arranged on both sides of the other end, and a discharge mechanism is connected to the guide plate.

Preferably, the discharge mechanism includes an upper discharge plate; the upper discharge plate is arranged between two guide plates, the upper discharge plate and the two guide plates are connected by sliding, and the two guide plates guide the upper discharge plate Function, to ensure that the upper discharge plate can move vertically, the center of the upper discharge plate is provided with a first through hole, the first through hole is matched with the protective sleeve of the punch, and the two ends of the first through hole are provided with a first slide toward the center of the circle. A first chute is provided at the corresponding position of the protective sleeve of the punch, and the upper discharge plate is slidably connected to the protective sleeve of the punch through the cooperation of the first slider and the first chute. The friction of the die protective sleeve reduces the wear of the punch protective sleeve. The top surface of the upper discharge plate is located on both sides of the punch protective sleeve and is fixed with a first hydraulic rod. The other end of the first hydraulic rod penetrates the upper die plate and the first hydraulic cylinder to output end connection.

Preferably, a lower discharge plate is arranged below the upper discharge plate, two ends of the lower discharge plate are connected by sliding with two guide plates, and the two guide plates play a guiding role for the lower discharge plate to ensure that the lower discharge plate can stand vertically. Straight movement, a second through hole is arranged in the center of the lower discharge plate, the second through hole is matched with the protective sleeve of the concave die, the two ends of the second through hole are provided with a second slider towards the center of the circle, and the protective sleeve of the concave die is set at the corresponding position There is a second chute, the lower discharge plate is slidably connected to the protective cover of the female die through the cooperation of the second slider and the second chute, and the friction between the lower stripper plate and the protective cover of the female die is reduced through the sliding connection, thereby reducing the concave mold protective cover. Wear of the mold protective sleeve, the top surface of the lower stripper plate is located on both sides of the female mold protective sleeve, and a second hydraulic rod is fixed, and the other end of the second hydraulic rod is connected with the output end of the second hydraulic cylinder.

Compared with the prior art, the beneficial effect of the present utility model is: the utility model realizes that no matter the workpiece is attached to the punch or the die, the upper discharge plate and the lower discharge plate are respectively arranged at the punch and the die. Stable unloading solves the problem of difficult unloading due to burrs; and when the upper and lower unloading plates are unloading, they are guided by the guide plates on both sides, preventing the unloading process. Due to the unbalanced force, the punch or the workpiece is damaged.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of the utility model.

In the figure: 1. Upper die seat; 2. Upper gasket; 3. Punch die; 4. Punch die protective sleeve; 41. First chute; 5. Guide column; 6. Lower die seat; 7. Lower gasket ; 8. Die; 9. Protective sleeve of concave die; 91, Second chute; 10, Guide plate; 11, Baffle plate; 12, Discharge mechanism; 121, Upper discharge plate; 122, First slider; 123, the first hydraulic rod; 124, the first hydraulic cylinder; 125, the lower discharge plate; 126, the second sliding block; 127, the second hydraulic rod; 128, the second hydraulic cylinder.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Please refer to FIG. 1 , the present utility model provides a technical solution: a single-punch die with stable discharge, comprising an upper die base 1 and a guide plate 10; a lifting mechanism is arranged above the upper die base 1, and the upper die base 1 The bottom surface is fixed with the upper gasket 2, the bottom end of the upper gasket 2 is provided with a punch 3, the outer side of the punch 3 is sleeved with a punch protective sleeve 4, and the four corners of the bottom surface of the upper die base 1 are provided with guide posts 5. One end is fixed on the surface of the lower die base 6, and the lifting mechanism drives the upper die base 1 to carry out a downward punching motion along the guide column 5; the lower die base 6 is provided with a lower gasket on the surface, and the upper gasket 2 and the lower gasket can avoid For the depression or deformation of the upper die base 1 or the lower die base 6 during stamping, the top surface of the lower gasket is provided with a concave die 8, the outer side of the concave die 8 is provided with a concave die protective cover 9, a convex die protective cover 4 and a concave die The protective sleeve 9 prevents the punch 3 and the die 8 from directly contacting the upper stripper plate 121 and the lower stripper plate 125, thereby avoiding damage caused by wear; the guide plates 10 are arranged on both sides of the punch die 3, and the guide plates One end of 10 is vertically fixed on the bottom surface of the upper die base 1, and the other end is provided with baffles 11 on both sides. A discharge mechanism 12 is connected to the guide plate 10 .

Further, the discharge mechanism 12 includes an upper discharge plate 121; the upper discharge plate 121 is disposed between the two guide plates 10, the upper discharge plate 121 and the two guide plates 10 are connected by sliding, and the two guide plates 10 It plays a guiding role for the upper discharge plate 121 to ensure that the upper discharge plate 121 can move vertically. The center of the upper discharge plate 121 is provided with a first through hole. A first sliding block 122 is provided at both ends of the hole toward the center of the circle, and a first chute 41 is provided at a corresponding position of the punch protective sleeve 4 . The die protection sleeve 4 is slidably connected, and the friction between the upper stripper plate 121 and the punch protection sleeve 4 is reduced through the sliding connection, thereby reducing the wear of the punch protection sleeve 4 . A first hydraulic rod 123 is fixed on the side, and the other end of the first hydraulic rod 123 penetrates the upper template and is connected to the output end of the first hydraulic cylinder 124 .

Further, a lower discharge plate 125 is arranged below the upper discharge plate 121, and both ends of the lower discharge plate 125 are connected with the two guide plates 10 by sliding. The lower discharge plate 125 can move vertically, a second through hole is provided in the center of the lower discharge plate 125, the second through hole is matched with the protective sleeve 9 of the female die, and the two ends of the second through hole are provided with a second slide toward the center of the circle. Block 126, a second chute 91 is provided at the corresponding position of the die protection sleeve 9, and the lower stripper plate 125 is slidably connected to the die protection sleeve 9 through the cooperation of the second slider 126 and the second chute 91, and the reduction is reduced by the sliding connection. The friction between the lower stripper plate 125 and the die protection sleeve 9 is small, thereby reducing the wear of the die protection sleeve 9. The top surface of the lower stripper plate 125 is located on both sides of the die protection sleeve 9, and a second hydraulic rod 127 is fixed. The other end of the hydraulic rod 127 is connected to the output end of the second hydraulic cylinder 128 .

Working principle: Before use, after the lower discharge plate 125 is raised to a suitable position by the second hydraulic cylinder 128, the workpiece is installed at the die 8, and the lower discharge plate 125 supports the workpiece. After that, the upper template is driven by the lifting mechanism to carry out the downward punching movement along the guide column 5. During the punching, the guide column 5 plays a guiding role for the upper template, and upper gaskets are respectively provided on the bottom surface of the upper die base 1 and the surface of the lower die base 6 2 and the lower gasket, the upper gasket 2 and the lower gasket can avoid the depression or deformation of the upper die holder 1 or the lower die holder 6 during stamping, and when the upper die holder 1 moves downward, the first hydraulic cylinder 124 is turned on. , the first hydraulic cylinder 124 drives the upper discharge plate 121 to move downward along the guide plate 10 through the first hydraulic rod 123, thereby compacting and fixing the workpiece to avoid the offset of the workpiece during stamping. After the stamping of the workpiece is completed , Due to the effect of stamping, the workpiece may be adhered to the punch 3 or to the die 8. If the workpiece adheres to the punch 3, it will rise with the punch 3. At this time, the first hydraulic cylinder 124 and the second A hydraulic rod 123 drives the upper discharge plate 121 to descend along the guide plate 10 until the workpiece is squeezed down to the surface of the lower discharge plate 125; if the workpiece adheres to the die 8, the second hydraulic cylinder 128 and the second hydraulic rod 127 drives the lower unloading plate 125 to rise along the guide plate 10 until the workpiece is ejected; through the above operations, it is convenient to take out the workpiece after the stamping is completed, and the problem that unloading is difficult due to burrs is solved. , and the upper unloading plate 121 and the lower unloading plate 125 are guided by the guide plates 10 on both sides during unloading, which prevents damage to the punch 3 or the workpiece due to unbalanced force during unloading.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. A single-punch die with stable discharge, characterized in that it comprises an upper die base (1) and a guide plate (10); a lifting mechanism is provided above the upper die base (1), and the upper die base (1) The bottom surface is fixed with an upper gasket (2), the bottom end of the upper gasket (2) is provided with a punch (3), the outer side of the punch (3) is provided with a punch protection sleeve (4), and the bottom surface of the upper die seat (1) Four corners are provided with guide posts (5), the other end of the guide post (5) is fixed on the surface of the lower die base (6); the lower die base (6) is provided with a lower gasket on the surface, and the top surface of the lower gasket is provided with a concave The die (8), the concave die (8) is sleeved with a concave die protective sleeve (9); the guide plates (10) are arranged on both sides of the male die (3), and one end of the guide plate (10) is vertically fixed to the upper die On the bottom surface of the seat (1), baffle plates (11) are arranged on both sides of the other end, and a discharge mechanism (12) is connected to the guide plate (10). 2. A single punch die with stable discharging according to claim 1, characterized in that: the discharging mechanism (12) comprises an upper discharging plate (121); the upper discharging plate (121) is provided with Between the two guide plates (10), the upper discharge plate (121) and the two guide plates (10) are connected by sliding, and a first through hole is provided in the center of the upper discharge plate (121), and the first through hole is connected to the convex plate. The mold protective sleeve (4) is matched, the two ends of the first through hole are provided with first sliding blocks (122) toward the center of the circle, the punch protective sleeve (4) is provided with a first chute (41) at the corresponding position, and the upper discharge plate (121) is slidably connected to the punch protective sleeve (4) through the cooperation of the first sliding block (122) and the first chute (41), and the top surface of the upper stripper plate (121) is located on the two sides of the punch protective sleeve (4). A first hydraulic rod (123) is fixed on the side, and the other end of the first hydraulic rod (123) penetrates through the upper template and is connected to the output end of the first hydraulic cylinder (124). 3. A single punching die with stable discharging according to claim 2, characterized in that: a lower discharging plate (125) is arranged below the upper discharging plate (121), and the lower discharging plate (125) The two ends are connected with the two guide plates (10) by sliding, the center position of the lower discharge plate (125) is provided with a second through hole, the second through hole is matched with the die protective sleeve (9), and both ends of the second through hole face A second slider (126) is arranged at the center of the circle, a second chute (91) is arranged at a corresponding position of the die protective sleeve (9), and the lower discharge plate (125) communicates with the second slider through the second slider (126). The matching of the groove (91) is slidably connected with the protective cover (9) of the female die, and the top surface of the lower stripper plate (125) is located on both sides of the protective cover (9) of the female die, and a second hydraulic rod (127) is fixed. The second hydraulic rod The other end of (127) is connected to the output end of the second hydraulic cylinder (128).

Images