CN218224294U

CN218224294U - Limiting mechanism for stamping die for automobile body production

Info

Publication number: CN218224294U
Application number: CN202221990791.3U
Authority: CN
Inventors: 李涛
Original assignee: Zhuzhou Yuanchuang Precision Technology Co ltd
Current assignee: Zhuzhou Yuanchuang Precision Technology Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2023-01-06
Anticipated expiration: 2032-07-30

Abstract

The utility model discloses a limiting mechanism for a stamping die for automobile body production, which comprises a limiting oil cylinder, a connecting oil pipe, an outer shell, an oil cavity, a piston, a first spring, a movable rod, a connecting cavity and an adjustable retarding mechanism; the first spring arranged in the utility model can slow down the right movement of the piston, thereby slowing down the impact of the downward movement of the upper die seat and avoiding the damage caused by direct contact limiting; in the utility model, the slide block can drive the valve core to move rightwards through the movable rod along with the continuous rightward movement of the piston, and the rightward movement of the valve core can slow down the flow velocity of hydraulic oil in the valve hole, thereby directly reducing the oil supply of the hydraulic cylinder, reducing the limiting pressure applied to the limiting cylinder and further prolonging the service life of the stamping die; the utility model discloses in set up locking screw, can carry out the horizontal adjustment to activity casing whole position when loosening locking screw to satisfy the spacing needs in different positions, improved the convenience in use.

Description

Limiting mechanism for stamping die for automobile body production

Technical Field

The utility model relates to the technical field of mold, specific stop gear for automobile body production stamping die that says so.

Background

The stamping die is a special process device for processing materials into parts in cold stamping processing, and is called as a cold stamping die; the stamping is a pressure processing method for obtaining required parts by applying pressure to materials at room temperature by utilizing a die arranged on a press machine to separate or plastically deform the materials, and the stamping die is provided with a limiting mechanism so as to limit the positions of an upper die and a lower die.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model provides a stop gear for automobile body production stamping die has solved current stop gear for stamping die because it is spacing to adopt the rigidity, causes the problem that stamping die damaged after long-time work easily.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the limiting mechanism for the stamping die for automobile body production comprises a lower die seat and is characterized by further comprising a limiting oil cylinder, a connecting oil pipe, an outer shell, an oil cavity, a piston, a first spring, a movable rod, a connecting cavity and an adjustable retarding mechanism; the limiting oil cylinders are a plurality of limiting oil cylinders, the outer parts of the limiting oil cylinders are fixedly connected to the inner parts of the periphery of the lower die base respectively, and the lower side openings of the limiting oil cylinders are connected with the upper side openings of the connecting oil pipes; an oil cavity is formed in the left inner part of the outer shell, the left opening of the oil cavity is connected with the lower opening of the connecting oil pipe, and a connecting cavity is formed in the right inner part of the outer shell; the piston is transversely movably connected to the left side inside the oil cavity, and a first spring is arranged between the right side surface of the piston and the right side surface of the oil cavity; the end part of the left side of the movable rod is fixedly connected with the center of the right side of the piston, and the outside of the right side of the movable rod is positioned inside the left side of the connecting cavity; the left side of the adjustable retarding mechanism is arranged on the right side of the connecting cavity.

Preferably, the specific structure of the adjustable retarding mechanism comprises a movable shell, a sliding block, a second spring, a valve core, an output connector, a first groove, a valve hole, a sliding groove cavity, a second groove, an input connector, a clamping groove and a locking screw; the outer part of the right side of the sliding block is transversely movably connected with the inner part of the left side of the movable shell, and a second spring is arranged between the right side of the sliding block and the inner part of the left side of the movable shell; the sliding groove cavity is transversely arranged in the center of the right side of the movable shell, a first groove is formed in the upper side of the sliding groove cavity, and a second groove is formed in the lower side of the sliding groove cavity; the left end part of the valve core is fixedly connected with the center of the right side of the sliding block, a vertical valve hole is formed in the right side of the valve core, and the outer part of the right side of the valve core is transversely movably connected inside the sliding groove cavity; the upper opening of the valve hole is connected with the lower opening of the groove, and the lower opening of the valve hole is connected with the upper openings of the two grooves; an output connector is arranged outside an opening at the upper side of the groove; an input joint is arranged outside an opening at the lower side of the second groove; the clamping grooves are arranged transversely and are all arranged on the lower side of the movable shell; the locking screw is connected with a threaded hole formed in the right lower side of the connecting cavity, and a protrusion arranged on the upper side of the locking screw is connected with a corresponding clamping groove.

Preferably, the center of the outer side of the locking screw is provided with a hexagon socket.

Preferably, the left side of the slider protrudes a distance greater than the diameter of the valve hole.

Preferably, a protective layer is arranged at the end part of the piston rod on the upper side of the limiting oil cylinder.

The utility model has the advantages that:

(1) The utility model discloses well spring one that sets up can slow down the piston and move to the right side to slow down the impact that the mould seat moved down, avoided the spacing damage that brings of direct contact.

(2) The utility model discloses in along with the piston continue to move to the right and can make the slider drive the case through the movable rod and move to the right, and the right side of case moves, then can slow down the velocity of flow of hydraulic oil in the valve opening to directly subtract the oil supply capacity of buffering hydraulic cylinder, reduced the spacing pressure that spacing hydro-cylinder received, further improved stamping die's life.

(3) The utility model discloses in set up locking screw, can carry out the horizontal adjustment to activity casing whole position when loosening locking screw, satisfied the spacing needs in different positions, improved the convenience in use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of an adjustable damping mechanism.

Fig. 3 is an enlarged view of the position a in fig. 2.

In the figure: 1-lower die base; 2-a limit oil cylinder; 3-connecting an oil pipe; 4-an outer shell; 5-an oil chamber; 6-a piston; 7-a first spring; 8-a movable rod; 9-connecting the cavity; 10-an adjustable retarding mechanism; 101-a movable housing; 102-a slide block; 103-spring two; 104-a valve core; 105-an output connector; 106-groove one; 107-valve hole; 108-a chute cavity; 109-groove two; 1010-input connector; 1011-card slot; 1012-locking screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1

As shown in fig. 1, the limiting mechanism for the stamping die for automobile body production comprises a lower die base 1, a limiting oil cylinder 2, a connecting oil pipe 3, an outer shell 4, an oil cavity 5, a piston 6, a first spring 7, a movable rod 8, a connecting cavity 9 and an adjustable retarding mechanism 10; the limiting oil cylinders 2 are multiple, the outer parts of the limiting oil cylinders 2 are fixedly connected to the inner parts of the periphery of the lower die base 1 respectively, and the lower side openings of the limiting oil cylinders 2 are connected with the upper side openings of the connecting oil pipes 3; an oil cavity 5 is formed in the left side of the outer shell 4, the left opening of the oil cavity 5 is connected with the lower opening of the connecting oil pipe 3, and a connecting cavity 9 is formed in the right side of the outer shell 4; the piston 6 is transversely movably connected to the left side inside the oil cavity 5, and a spring I7 is arranged between the right side surface of the piston 6 and the right side surface of the oil cavity 5; the end part of the left side of the movable rod 8 is fixedly connected with the center of the right side of the piston 6, and the outside of the right side of the movable rod 8 is positioned inside the left side of the connecting cavity 9; the left side of the adjustable retarding mechanism 10 is arranged at the right side of the connecting cavity 9.

Example 2

As shown in fig. 1, the limiting mechanism for the stamping die for automobile body production comprises a lower die base 1, a limiting oil cylinder 2, a connecting oil pipe 3, an outer shell 4, an oil cavity 5, a piston 6, a first spring 7, a movable rod 8, a connecting cavity 9 and an adjustable retarding mechanism 10; the number of the limiting oil cylinders 2 is multiple, the outer parts of the limiting oil cylinders 2 are respectively and fixedly connected with the inner parts of the periphery of the lower die base 1, and the lower side openings of the limiting oil cylinders 2 are connected with the upper side openings of the connecting oil pipes 3; an oil cavity 5 is formed in the left inside of the outer shell 4, the left opening of the oil cavity 5 is connected with the lower opening of the connecting oil pipe 3, and a connecting cavity 9 is formed in the right inside of the outer shell 4; the piston 6 is transversely movably connected to the left side inside the oil cavity 5, and a spring I7 is arranged between the right side surface of the piston 6 and the right side surface of the oil cavity 5; the end part of the left side of the movable rod 8 is fixedly connected with the center of the right side of the piston 6, and the outside of the right side of the movable rod 8 is positioned inside the left side of the connecting cavity 9; the left side of the adjustable retarding mechanism 10 is arranged at the right side of the connecting cavity 9.

As shown in fig. 2 and 3, the specific structure of the adjustable damping mechanism 10 includes a movable housing 101, a slider 102, a second spring 103, a valve core 104, an output connector 105, a first groove 106, a valve hole 107, a slider cavity 108, a second groove 109, an input connector 1010, a clamping groove 1011, and a locking screw 1012; the outer part of the right side of the sliding block 102 is transversely and movably connected with the inner part of the left side of the movable shell 101, and a second spring 103 is arranged between the right side of the sliding block 102 and the inner part of the left side of the movable shell 101; the sliding groove cavity 108 is transversely arranged in the center of the right side of the movable shell 101, a first groove 106 is formed in the upper side of the sliding groove cavity 108, and a second groove 109 is formed in the lower side of the sliding groove cavity 108; the left end part of the valve core 104 is fixedly connected with the center of the right side of the sliding block 102, the right side of the valve core 104 is provided with a vertical valve hole 107, and the outer part of the right side of the valve core 104 is transversely movably connected inside the sliding groove cavity 108; the upper opening of the valve hole 107 is connected with the lower opening of the first groove 106, and the lower opening of the valve hole 107 is connected with the upper opening of the second groove 109; an output connector 105 is arranged outside an opening at the upper side of the first groove 106; an input connector 1010 is arranged outside an opening at the lower side of the second groove 109, wherein the input connector 1010 and the output connector 105 can be connected in series in an oil way of the stamping oil cylinder, and the oil supply quantity of the stamping oil cylinder can be controlled during limiting; the number of the clamping grooves 1011 is multiple, and the clamping grooves 1011 are arranged transversely and are all arranged on the lower side of the movable shell 101; the locking screw 1012 is connected with a threaded hole arranged at the right lower side of the connecting cavity 9, and a protrusion arranged at the upper side of the locking screw 1012 is connected with a corresponding clamping groove 1011.

A hexagon socket hole is formed in the center of the outer side of the locking screw 1012, so that the locking screw 1012 can be driven to rotate by a hexagon socket wrench; the left side of the sliding block 102 extends out a distance larger than the diameter of the valve hole 107; the end part of the piston rod on the upper side of the limiting oil cylinder 2 is provided with a protective layer, so that the service life of the limiting mechanism is prolonged.

The utility model discloses a user state does, during the punching press, at first, make the upper die base move down with 2 upside contacts of spacing hydro-cylinder by the punching press hydro-cylinder, then fluid in the spacing hydro-cylinder 2 can flow into in the oil pocket 5 through connecting oil pipe 3 and promote piston 6 and move to the right, spring 7 that sets up here, can slow down piston 6 and move to the right, thereby can slow down the impact that the upper die base moved down, just also avoid the spacing damage that brings of direct contact, along with piston 6 continues to move to the right can make slider 102 drive case 104 through movable rod 8 and move to the right, and the right side of case 104 moves, then can slow down the velocity of flow of hydraulic oil in the valve opening 107, thereby can directly subtract the fuel delivery volume of buffering the hydraulic cylinder, just also reduced the limit pressure that spacing hydro-cylinder 2 received, and then further improved stamping die's life, the locking screw 1012 that sets up in addition, can carry out transverse adjustment to movable shell 101 overall position when loosening locking screw 1012, thereby the spacing needs in different positions have been satisfied, use convenience is improved.

The control mode of the present invention is controlled by manual starting or by the existing automation technology, the connection diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the present invention is mainly used for protecting the mechanical device, so the present invention does not explain the control mode and the wiring arrangement in detail.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

The foregoing shows and describes the basic principles and features of the present invention and the advantages thereof, as will be understood by those skilled in the art, and it is not intended to limit the present invention to the details of the foregoing embodiments, but rather to illustrate and describe the principles of the present invention without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.

Claims

1. A limiting mechanism for an automobile body production stamping die comprises a lower die base (1), and is characterized by further comprising a limiting oil cylinder (2), a connecting oil pipe (3), an outer shell (4), an oil cavity (5), a piston (6), a spring I (7), a movable rod (8), a connecting cavity (9) and an adjustable retarding mechanism (10);

the limiting oil cylinders (2) are multiple, the outer parts of the limiting oil cylinders (2) are respectively and fixedly connected to the inner parts of the periphery of the lower die base (1), and the lower side openings of the limiting oil cylinders (2) are connected with the upper side opening of the connecting oil pipe (3);

an oil cavity (5) is formed in the left side of the outer shell (4), an opening in the left side of the oil cavity (5) is connected with an opening in the lower side of the connecting oil pipe (3), and a connecting cavity (9) is formed in the right side of the outer shell (4);

the piston (6) is transversely movably connected to the left side in the oil cavity (5), and a first spring (7) is arranged between the right side face of the piston (6) and the right side face of the oil cavity (5);

the end part of the left side of the movable rod (8) is fixedly connected with the center of the right side of the piston (6), and the outer part of the right side of the movable rod (8) is positioned in the inner part of the left side of the connecting cavity (9);

the left side of the adjustable retarding mechanism (10) is arranged on the right side of the connecting cavity (9).

2. The limiting mechanism for the stamping die for automobile body production according to claim 1, wherein the specific structure of the adjustable retarding mechanism (10) comprises a movable shell (101), a sliding block (102), a second spring (103), a valve core (104), an output connector (105), a first groove (106), a valve hole (107), a chute cavity (108), a second groove (109), an input connector (1010), a clamping groove (1011) and a locking screw (1012);

the outer part of the right side of the sliding block (102) is transversely movably connected with the inner part of the left side of the movable shell (101), and a second spring (103) is arranged between the right side of the sliding block (102) and the inner part of the left side of the movable shell (101);

the sliding groove cavity (108) is transversely arranged in the center of the right side of the movable shell (101), a first groove (106) is formed in the upper side of the sliding groove cavity (108), and a second groove (109) is formed in the lower side of the sliding groove cavity (108);

the left end part of the valve core (104) is fixedly connected with the center of the right side of the sliding block (102), the right side of the valve core (104) is provided with a vertical valve hole (107), and the outer part of the right side of the valve core (104) is transversely movably connected inside the sliding groove cavity (108);

the upper opening of the valve hole (107) is connected with the lower opening of the first groove (106), and the lower opening of the valve hole (107) is connected with the upper opening of the second groove (109);

an output connector (105) is arranged outside an opening at the upper side of the first groove (106);

an input connector (1010) is arranged outside an opening at the lower side of the second groove (109);

the clamping grooves (1011) are arranged in a plurality, and the clamping grooves (1011) are transversely arranged and are all arranged on the lower side of the movable shell (101);

the locking screw (1012) is connected with a threaded hole arranged at the right lower side of the connecting cavity (9), and a protrusion arranged at the upper side of the locking screw (1012) is connected with a corresponding clamping groove (1011).

3. The limiting mechanism for the stamping die for automobile body production as recited in claim 2, wherein a hexagon socket is formed in the center of the outer side of the locking screw (1012).

4. The limiting mechanism for the stamping die for automobile body production according to claim 2, wherein the left side of the sliding block (102) extends out by a distance larger than the diameter of the valve hole (107).

5. The limiting mechanism for the stamping die for automobile body production according to claim 1, wherein the end of the piston rod on the upper side of the limiting oil cylinder (2) is provided with a protective layer.