CN221620436U

CN221620436U - Support bending die

Info

Publication number: CN221620436U
Application number: CN202420113088.7U
Authority: CN
Inventors: 吴建伟; 刘成
Original assignee: Kunshan Huaconcrete Precision Mould Co ltd
Current assignee: Kunshan Huaconcrete Precision Mould Co ltd
Priority date: 2024-01-17
Filing date: 2024-01-17
Publication date: 2024-08-30
Anticipated expiration: 2034-01-17

Abstract

The utility model relates to the technical field of dies, in particular to a bracket bending die which comprises a base, wherein a lower die is arranged on the top surface of the base, a guide rod is arranged on the top surface of the lower die, a top plate is movably sleeved on the guide rod, the bottom of the top plate is connected with a limiting plate, and an upper die is arranged at the bottom of the limiting plate; the upper die comprises a first trapezoid block and two second trapezoid blocks, the first trapezoid block is reversely and fixedly connected to the bottom of the limiting plate, the two second trapezoid blocks are respectively located at two sides of the first trapezoid block, the two ends of the second trapezoid block are fixedly connected with first connecting shafts, the two ends of the second trapezoid block are respectively provided with second connecting shafts which correspond to the first connecting shafts one by one, a connecting plate is arranged between the corresponding first connecting shafts and the corresponding second connecting shafts, and the two ends of the connecting plate are respectively movably sleeved on the first connecting shafts and the second connecting shafts; the utility model is convenient to punch and bend the bracket at a negative angle, and is convenient to take down the finished product after bending.

Description

Support bending die

Technical Field

The utility model relates to the technical field of dies, in particular to a bracket bending die.

Background

The auto-parts support is the assembly support that is used for car automobile body panel beating, and the support is in production and processing in-process need be punched and bent the processing, and wherein part support need carry out negative angle punching press and bend, processes into the structure as shown in figure 1, but when carrying out negative angle punching press to the support and bending, the support after punching press bending can laminate on last mould completely, inconvenient take off the finished product after stamping forming.

Disclosure of utility model

The utility model aims to provide a bracket bending die which is convenient for punching and bending a bracket at a negative angle and convenient for taking down a finished product after bending.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

The bracket bending die comprises a base, wherein a lower die is arranged on the top surface of the base, a guide rod is arranged on the top surface of the lower die, a top plate is movably sleeved on the guide rod, the bottom of the top plate is connected with a limiting plate, and an upper die is arranged at the bottom of the limiting plate;

The upper die comprises a first trapezoid block and two second trapezoid blocks, the first trapezoid block is reversely and fixedly connected to the bottom of the limiting plate, the two second trapezoid blocks are respectively located on two sides of the first trapezoid block, the two ends of the second trapezoid block are fixedly connected with first connecting shafts, the two ends of the second trapezoid block are respectively provided with second connecting shafts in one-to-one correspondence with the first connecting shafts, a connecting plate is arranged between the corresponding first connecting shafts and the corresponding second connecting shafts, and the two ends of the connecting plate are respectively movably sleeved on the first connecting shafts and the second connecting shafts;

The die comprises a lower die, a first trapezoid block, a second trapezoid block, a pin shaft, a spring, a pin shaft, a rotating ring, a lower die, a cylinder and two cylinders, wherein the cavity is formed in the top surface of the lower die, the two cylinders are symmetrically arranged in the cavity, the cylinders are rotatably arranged in the cavity, the pin shaft is arranged at one ends of the cylinder and the lower die, the rotating ring is movably sleeved on the axial surface of the pin shaft, the spring is connected between the two adjacent rotating rings, and the cylinder is provided with a bending groove corresponding to the second trapezoid block.

Further, the other end of the lower die is abutted to a baffle, the baffle is fixedly installed on the base, a rotating shaft is fixedly connected to the baffle, and the cylinder is movably sleeved on the rotating shaft.

Further, one side of the lower die away from the baffle is fixedly connected with a fixing plate, and one end of the fixing plate extends to one side of the column body.

Further, a chamfer is arranged at the joint of the cavity and the top of the lower die.

Further, the hydraulic device also comprises a hydraulic cylinder, and a piston rod of the hydraulic cylinder is fixedly connected with the top plate.

Further, the side surface of the first trapezoid block is matched with the side surface of the second trapezoid block.

Compared with the prior art, the utility model has the beneficial effects that:

During processing, a bracket to be bent is placed above a cavity of a lower die, a top plate slides downwards along a guide rod, a second trapezoidal block firstly contacts the bracket, a first trapezoidal block continues to move downwards, second trapezoidal blocks at two sides are squeezed out to two sides, the first trapezoidal block and the second trapezoidal block are both contacted with the bracket, the upper die punches the bracket into the cavity along with the continuous downward movement of the top plate, 90-degree bending is performed on the bracket, then the second trapezoidal block presses the bracket in a bending groove to drive a column body to rotate, the column body is matched with the second trapezoidal block to bend the bracket at a negative angle, then the top plate rises and resets, the bracket is attached to the upper die, the second trapezoidal blocks at two sides slide downwards under the influence of gravity, so that incomplete attachment of the bracket and the upper die occurs, and a bracket finished product is convenient to take down; the utility model is convenient to punch and bend the bracket at a negative angle, and is convenient to take down the finished product after bending.

Drawings

FIG. 1 is a negative angle stamping configuration of a stent;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

Fig. 4 is a front view of the present utility model.

1. A base; 2. a lower die; 201. a cavity; 3. a guide rod; 4. a top plate; 5. a limiting plate; 6. a first trapezoidal block; 7. a second trapezoidal block; 8. a first connecting shaft; 9. a second connecting shaft; 10. a connecting plate; 11. a column; 12. a pin shaft; 13. a rotating ring; 14. a spring; 15. a baffle; 16. a rotating shaft; 17 fixing plate.

Detailed Description

As shown in fig. 2 to 4, a bracket bending die comprises a base 1, wherein a lower die 2 is arranged on the top surface of the base 1, a guide rod 3 is arranged on the top surface of the lower die 2, a top plate 4 is movably sleeved on the guide rod 3, the bottom of the top plate 4 is connected with a limiting plate 5, and an upper die is arranged at the bottom of the limiting plate 5;

the upper die comprises a first trapezoid block 6 and two second trapezoid blocks 7, the first trapezoid block 6 is reversely and fixedly connected to the bottom of the limiting plate 5, the two second trapezoid blocks 7 are respectively located on two sides of the first trapezoid block 6, two ends of each second trapezoid block 7 are fixedly connected with first connecting shafts 8, two ends of each second trapezoid block 7 are respectively provided with second connecting shafts 9 in one-to-one correspondence with the first connecting shafts 8, a connecting plate 10 is arranged between the corresponding first connecting shafts 8 and the corresponding second connecting shafts 9, and two ends of each connecting plate 10 are respectively movably sleeved on the corresponding first connecting shafts 8 and the corresponding second connecting shafts 9;

The die cavity 201 is formed in the top surface of the lower die 2, two cylinders 11 are symmetrically arranged in the die cavity 201, the cylinders 11 are rotatably arranged in the die cavity 201, pin shafts 12 are arranged at one ends of the cylinders 11 and the lower die 2, rotating rings 13 are movably sleeved on the shaft surfaces of the pin shafts 12, springs 14 are connected between two adjacent rotating rings 13, and bending grooves corresponding to the second trapezoid blocks 7 are formed in the cylinders 11.

The other end of the lower die 2 is abutted to a baffle 15, the baffle 15 is fixedly arranged on the base 1, a rotating shaft 16 is fixedly connected to the baffle 15, and the column 11 is movably sleeved on the rotating shaft 16.

A fixed plate 17 is fixedly connected to one side of the lower die 2 far away from the baffle 15, and one end of the fixed plate 17 extends to one side of the column 11; a baffle 15 and a fixed plate 17 are arranged to limit the column 11.

A chamfer is arranged at the joint of the cavity 201 and the top of the lower die 2.

The hydraulic device also comprises a hydraulic cylinder, and a piston rod of the hydraulic cylinder is fixedly connected with the top plate 4.

The sides of the first trapezoid block 6 are matched with the sides of the second trapezoid block 7.

Working principle:

During processing, the support to be bent is placed above the cavity 201 of the lower die 2, the hydraulic cylinder drives the top plate 4 to slide downwards along the guide rod 3, the second trapezoidal block 7 is firstly contacted with the support, the first trapezoidal block 6 continues to move downwards, the second trapezoidal blocks 7 on two sides are extruded to be open to two sides, then the bottom surfaces of the first trapezoidal block 6 and the second trapezoidal block 7 are both contacted with the support, the top surface of the second trapezoidal block 7 is abutted to the limiting plate 5, the upper die presses the support into the cavity 201 along with the continuous downwards movement of the top plate 4, 90-degree bending is performed on the support, then the second trapezoidal block 7 presses the support in the bending groove, the column 11 is stressed to rotate, the spring 14 stretches, the column 11 is matched with the second trapezoidal block 7 to bend the support at a negative angle, then the top plate 4 rises, the spring 14 drives the column 11 to reset, the support is attached to the upper die, the second trapezoidal blocks 7 on two sides slide downwards under the influence of gravity, and therefore the support and the upper die are not completely attached, and a finished product of the support is convenient to take off.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A support mould of bending, its characterized in that: the automatic feeding device comprises a base (1), wherein a lower die (2) is arranged on the top surface of the base (1), a guide rod (3) is arranged on the top surface of the lower die (2), a top plate (4) is movably sleeved on the guide rod (3), a limiting plate (5) is connected to the bottom of the top plate (4), and an upper die is arranged at the bottom of the limiting plate (5);

The upper die comprises a first trapezoid block (6) and two second trapezoid blocks (7), wherein the first trapezoid block (6) is reversely and fixedly connected to the bottom of the limiting plate (5), the two second trapezoid blocks (7) are respectively located at two sides of the first trapezoid block (6), first connecting shafts (8) are fixedly connected to two ends of the second trapezoid block (7), second connecting shafts (9) which are in one-to-one correspondence with the first connecting shafts (8) are respectively mounted at two ends of the second trapezoid block (7), a connecting plate (10) is arranged between the corresponding first connecting shafts (8) and the corresponding second connecting shafts (9), and two ends of the connecting plate (10) are respectively movably sleeved on the first connecting shafts (8) and the second connecting shafts (9);

The die comprises a die cavity (201) formed in the top surface of a lower die (2), two cylinders (11) are symmetrically arranged in the die cavity (201), the cylinders (11) are rotatably arranged in the die cavity (201), pin shafts (12) are arranged at one ends of the cylinders (11) and the lower die (2), rotating rings (13) are movably sleeved on the axial surfaces of the pin shafts (12), springs (14) are connected between two adjacent rotating rings (13), and bending grooves corresponding to the second trapezoid blocks (7) are formed in the cylinders (11).

2. The bracket bending die of claim 1, wherein: the other end of the lower die (2) is abutted to a baffle (15), the baffle (15) is fixedly installed on the base (1), a rotating shaft (16) is fixedly connected to the baffle (15), and the column body (11) is movably sleeved on the rotating shaft (16).

3. The bracket bending die of claim 2, wherein: one side of the lower die (2) far away from the baffle (15) is fixedly connected with a fixing plate (17), and one end of the fixing plate (17) extends to one side of the column body (11).

4. The bracket bending die of claim 1, wherein: and a chamfer is arranged at the joint of the cavity (201) and the top of the lower die (2).

5. The bracket bending die of claim 1, wherein: the hydraulic device further comprises a hydraulic cylinder, and a piston rod of the hydraulic cylinder is fixedly connected with the top plate (4).

6. The bracket bending die of claim 1, wherein: the side face of the first trapezoid block (6) is matched with the side face of the second trapezoid block (7).