CN219985995U

CN219985995U - Backboard forming die

Info

Publication number: CN219985995U
Application number: CN202321709839.3U
Authority: CN
Inventors: 肖铮
Original assignee: Suzhou Jinlimei Metal Technology Co ltd
Current assignee: Jiangsu Jinlimei Industrial Technology Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-11-10
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a backboard forming die, which comprises an upper die holder capable of moving up and down, wherein an upper female die is arranged below the upper die holder, four corners of the upper die holder are respectively provided with a main guide rod fixedly connected with the upper female die through lower ends, a main spring is sleeved at the position between the upper female die and the upper die holder, the top end of the main guide rod is fixedly provided with a top plate, one end of the lower surface of the top plate, which is far away from the main guide rod, is fixedly provided with a toothed plate capable of penetrating through the lower surface of the upper die holder, one side, close to the upper female die, of the toothed plate is meshed with a gear, two ends of the gear are respectively fixedly provided with a cam, two sides of the upper female die are respectively fixedly provided with a positioning frame, and two ends of a center shaft of the cam are respectively installed on the positioning frame through a bracket. The L-shaped clamping plates are arranged in the utility model, the compression bar pushes the L-shaped clamping plates, and at the moment, the L-shaped clamping plates at the two sides can clamp a workpiece formed below the L-shaped clamping plates, so that the workpiece can be clamped by the L-shaped clamping plates, and the workpiece can conveniently fall off from the lower male die.

Description

Backboard forming die

Technical Field

The utility model relates to the technical field of dies, in particular to a back plate forming die.

Background

The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts.

The back plate mold of the display screen is shown in fig. 1, that is, the state of the back plate 100 after being punched and molded is the state shown in fig. 1, and the punching mold in the prior art is inconvenient to feed the molded workpiece during use.

Disclosure of Invention

The utility model aims to provide a backboard forming die, which solves the problem that in the prior art, a stamping die is inconvenient to form and then a workpiece is discharged.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the back plate forming die comprises an upper die seat capable of moving up and down, an upper female die is arranged below the upper die seat, four corners of the upper die seat are respectively provided with a main guide rod fixedly connected with the upper female die through lower ends, a main spring is sleeved at the position between the upper female die and the upper die seat, the top end of the main guide rod is fixedly provided with a top plate, one end, far away from the main guide rod, of the lower surface of the top plate is fixedly provided with a toothed plate capable of penetrating through the lower surface of the upper die seat, one side, close to the upper female die, of the toothed plate is meshed with a gear, two ends of the gear are respectively fixedly provided with a cam, two sides of the upper female die are respectively fixedly provided with a positioning frame, and two ends of a center shaft of the cam are respectively arranged on the positioning frame through a bracket;

the pressure lever corresponds to the position of the cam, and one end of the pressure lever passes through the positioning frame and then is fixed with an L-shaped clamping plate.

Preferably, the die further comprises a lower die holder, support columns are fixed at four corners of the top surface of the lower die holder, an upper bracket is arranged between the top surfaces of the support columns, a telescopic cylinder is arranged in the middle of the upper bracket, and the lower end of a piston rod of the telescopic cylinder is fixed with the upper die holder.

Preferably, a lower male die capable of being matched with the upper female die is arranged on the top surface of the lower die holder.

Preferably, a stress plate is fixed at one end of the compression bar far away from the L-shaped clamping plate, and the stress plate corresponds to the position of the cam.

Preferably, a compression spring is sleeved on the part, located between the locating rack and the stress plate, of the circumference outer part of the compression rod.

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

1. the L-shaped clamping plate is arranged in the utility model, when the upper female die is pressed on the lower male die, the main spring is compressed, the main guide rod moves upwards relatively, the top plate can drive the toothed plate to move upwards, when the toothed plate moves upwards, the gear can be driven to rotate, the cam can be driven to rotate by virtue of the rotation of the gear, when the large-diameter end of the cam rotates to the position of the pressure rod, the pressure rod can be pushed, the L-shaped clamping plate can be pushed by the pressure rod, at the moment, the L-shaped clamping plates at two sides can clamp a workpiece formed below, and then the workpiece can be clamped by the L-shaped clamping plate, so that the workpiece can conveniently fall off from the lower male die;

2. according to the utility model, when the small-diameter end of the cam rotates to the position of the stress plate, the compression spring can enable the L-shaped clamping plate to separate from the workpiece, and the workpiece can automatically drop off.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a back plate according to the present utility model;

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

FIG. 3 is a partial view of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the non-mounted upper die holder of FIG. 3 according to the present utility model;

FIG. 5 is an enlarged view of area A of FIG. 4 in accordance with the present utility model;

FIG. 6 is a schematic view of the structure of the present utility model in a stamped state;

FIG. 7 is a partial view of FIG. 6 in accordance with the present utility model;

fig. 8 is an enlarged view of region B of fig. 7 in accordance with the present utility model.

In the figure: 1. a telescopic cylinder; 2. an upper bracket; 3. a lower male die; 4. a lower die holder; 5. a support column; 6. an upper female die; 7. an upper die holder; 8. a toothed plate; 9. a cam; 10. a buffer spring; 11. a main guide bar; 12. a top plate; 13. a gear; 14. a positioning frame; 15. an L-shaped clamping plate; 16. a bracket; 17. a compression bar; 18. a compression spring; 19. and a stress plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, in the embodiment of the utility model, a back plate forming mold comprises an upper mold seat 7 capable of moving up and down, an upper female mold 6 is arranged below the upper mold seat 7, and further comprises a lower mold seat 4, support columns 5 are fixed at four corners of the top surface of the lower mold seat 4, an upper bracket 2 is arranged between the top surfaces of the support columns 5, a telescopic cylinder 1 is arranged in the middle of the upper bracket 2, the lower end of a piston rod of the telescopic cylinder 1 is fixed with the upper mold seat 7, a lower male mold 3 capable of being matched with the upper female mold 6 is arranged on the top surface of the lower mold seat 4, and when the telescopic cylinder 1 stretches, the upper mold seat 7 and the upper female mold 6 can be pushed to move downwards, and the upper female mold 6 is matched with the lower male mold 3, so that the back plate shown in fig. 1 can be formed;

as shown in fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, four corners of the upper die holder 7 penetrate through main guide rods 11, the lower ends of which are fixedly connected with the upper die holder 6, main springs 10 are sleeved at positions, between the upper die holder 6 and the upper die holder 7, of the main guide rods 11, when the upper die holder 7 moves downwards, the upper die holder 6 can be driven to move downwards, until the upper die holder 6 is pressed on the lower punch 3, the main springs 10 are compressed, relative movement occurs between the main guide rods 11 and the upper die holder 7, the upper ends of the main guide rods 11 protrude out of the top surface of the upper die holder 7, top plates 12 are fixed at the top ends of the main guide rods 11, toothed plates 8 capable of penetrating through the lower surfaces of the upper die holder 7 are fixed at one ends, far away from the lower surfaces of the main guide rods 11, and when the main guide rods 11 move upwards relatively, the top plates 12 can drive the toothed plates 8 to move upwards;

a gear 13 is meshed with one side of the toothed plate 8, which is close to the upper female die 6, two ends of the gear 13 are respectively fixed with a cam 9, two sides of the upper female die 6 are respectively fixed with a positioning frame 14, two ends of a center shaft of the cam 9 are respectively arranged on the positioning frames 14 through a bracket 16, namely, when the toothed plate 8 moves upwards, the gear 13 can be driven to rotate, and the cam 9 can be driven to rotate by the rotation of the gear 13;

the device also comprises a pressing rod 17, the pressing rod 17 corresponds to the position of the cam 9, an L-shaped clamping plate 15 is fixed at one end of the pressing rod 17 after passing through the positioning frame 14, when the large-diameter end of the cam 9 rotates to the position of the pressing rod 17, the pressing rod 17 can be pushed, the L-shaped clamping plate 15 can be pushed by the pressing rod 17, at the moment, the L-shaped clamping plates 15 at two sides can clamp a workpiece formed below, the workpiece can be clamped by the L-shaped clamping plates 15, when the telescopic cylinder 1 is shortened upwards, the L-shaped clamping plates 15 can pull the clamped workpiece upwards, so that the workpiece is separated from the lower punch 3, and the blanking is convenient;

the preferred is fixed with atress board 19 in the one end that depression bar 17 kept away from L shape splint 15, and atress board 19 corresponds with the position of cam 9 to the part cover that is located between locating rack 14 and the atress board 19 in the circumference outside of depression bar 17 is equipped with compression spring 18, and the convenience is rotatory to the position of atress board 19 at the small-diameter end of cam 9, and compression spring 18 can make L shape splint 15 break away from the work piece, and the work piece can drop automatically.

The working principle and the using flow of the utility model are as follows: when the device is used, when the telescopic cylinder 1 stretches, the upper die holder 7 can be pushed to move downwards, the upper die 6 can be driven to move downwards when the upper die holder 7 moves downwards until the upper die 6 is pressed on the lower punch 3, the main spring 10 is compressed, relative movement occurs between the main guide rod 11 and the upper die holder 7, the upper end of the main guide rod 11 protrudes out of the top surface of the upper die holder 7, the top plate 12 is fixed at the top end of the main guide rod 11, the toothed plate 8 capable of penetrating through the lower surface of the upper die holder 7 is fixed at one end of the top plate 12, when the main guide rod 11 moves upwards relatively, the toothed plate 8 can be driven to move upwards, the gear 13 can be driven to rotate when the toothed plate 8 moves upwards, the cam 9 can be driven to rotate by means of the rotation of the gear 13, the pressing rod 17 can be pushed when the large diameter end of the cam 9 rotates to the position of the pressing rod 17, the L-shaped clamping plate 15 at the moment can be clamped by the L-shaped clamping plate 15, the workpiece formed below can be clamped by the L-shaped clamping plate 15, the telescopic cylinder 1 can be clamped by the L-shaped clamping plate 15, and the workpiece can be automatically separated from the position of the L-shaped clamping plate 19 when the L-shaped clamping plate 15 is pulled upwards, and the workpiece can be pulled upwards to be separated from the position of the small clamping plate 19 when the small diameter of the pressing plate is stressed by the pressing plate 19.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a backplate forming die, but includes upper die base (7) of up-and-down motion, its characterized in that: an upper female die (6) is arranged below the upper die holder (7), four corners of the upper die holder (7) are respectively penetrated by a main guide rod (11) with the lower end fixedly connected with the upper female die (6), a main spring (10) is sleeved at the position between the upper female die (6) and the upper die holder (7) by the main guide rods (11), a top plate (12) is fixed at the top end of each main guide rod (11), a toothed plate (8) capable of penetrating through the lower surface of the upper die holder (7) is fixed at one end, far away from the main guide rods (11), of the lower surface of each top plate (12), a gear (13) is meshed at one side, close to the upper female die (6), cams (9) are respectively fixed at two ends of each gear (13), positioning frames (14) are respectively fixed at two sides of the upper female die (6), and two ends of a central shaft of each cam (9) are respectively installed on each positioning frame (14) through a bracket (16);

the compression bar (17), the position of compression bar (17) and cam (9) corresponds, and is fixed with L shape splint (15) after the one end of compression bar (17) passes locating rack (14).

2. The back plate molding die according to claim 1, wherein: still include die holder (4), four corners in top surface of die holder (4) all are fixed with support column (5), install upper bracket (2) between the top surface of support column (5), the mid-mounting of upper bracket (2) has flexible cylinder (1), the piston rod lower extreme and the upper die holder (7) of flexible cylinder (1) are fixed.

3. The back plate molding die according to claim 2, wherein: the top surface of the lower die holder (4) is provided with a lower male die (3) which can be matched with the upper female die (6).

4. The back plate molding die according to claim 1, wherein: one end of the compression bar (17) far away from the L-shaped clamping plate (15) is fixedly provided with a stress plate (19), and the stress plate (19) corresponds to the position of the cam (9).

5. The back plate forming mold according to claim 4, wherein: a compression spring (18) is sleeved on the part, located between the locating frame (14) and the stress plate (19), of the circumference outer part of the compression rod (17).