Double-layer fastening stamping die

Abstract

The utility model discloses a double-layer fastening stamping die which comprises a lower die base, sliding grooves are formed in the surfaces of the two sides of the interior of the lower die base, sliding rods are installed on the inner sides of the sliding grooves, a waste box is fixed to one side of each sliding rod, a female die is fixed to the upper portion of the lower die base, a feeding plate is arranged above the female die, and the feeding plate is fixed to the lower die base. Hydraulic cylinders are mounted on the two sides of the feeding plate; according to the double-layer fastening stamping die, through cooperative use of the feeding plate, the hydraulic cylinders, the hydraulic rods, the guide plates, fixing bolts and limiting plates, a material belt is placed above the feeding plate during use, the guide plates can fasten and guide the two sides of the material belt, and therefore the material belt can be prevented from deviating in the stamping process; and the hydraulic cylinder can drive the hydraulic rod to stretch out and draw back, so that the guide plate is driven to move, material belts with different widths can be guided, double-layer limiting can be conducted on the material belts through the limiting plate, and the finished product precision of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to stamping dies, in particular to a double-layer fastening stamping die. Background Art

[0002] A stamping die is a special process equipment used to process materials into parts or semi-finished products during cold stamping. It is called a cold stamping die. Stamping is a pressure processing method that uses a die installed on a press to apply pressure to the material at room temperature to separate or plastically deform the material, thereby obtaining the required parts. Depending on the product processing method, the die can be divided into five categories: punching and shearing die, bending die, drawing die, forming die and compression die.

[0003] However, the existing stamping die does not tighten and limit the material strip when in use. During the stamping and feeding process, the position of the material strip is easy to deviate from the top of the die, the stamped product is not precise enough, and the practicality is poor. Therefore, the present application provides a double-layer tightening stamping die to meet the needs. Utility Model Content

[0004] The purpose of the utility model is to provide a double-layer fastening stamping die to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a double-layer fastening stamping mold, including a lower mold base, both inner side surfaces of the lower mold base are provided with sliding grooves, the inner side of the sliding groove is provided with a sliding rod, a waste box is fixed on one side of the sliding rod, a concave mold is fixed above the lower mold base, a feeding plate is provided above the concave mold, hydraulic cylinders are installed on both sides of the feeding plate, a hydraulic rod is installed at one end of the hydraulic cylinder, a guide plate is fixed at one end of the hydraulic rod, a fixing bolt passes through the top of the concave mold, a limiting plate is movably connected to the top of the fixing bolt, a positioning hole is provided on the upper surface of the limiting plate, guide columns are fixed on both sides of the top of the lower mold base, a guide sleeve is provided above the guide column, an upper mold base is fixed above the guide sleeve, and a punch is installed below the upper mold base.

[0006] Preferably, the waste box forms a sliding structure with the lower die base through a sliding rod, and the shape of the sliding rod conforms to that of the sliding groove.

[0007] Preferably, the guide plate forms a telescopic structure with the feeding plate through a hydraulic cylinder, and the guide plate is symmetrically arranged with respect to the central axis of the feeding plate.

[0008] Preferably, the limit plate is threadably connected to the die through a fixing bolt, and the upper portion of the limit plate is provided with an opening.

[0009] Preferably, the upper die seat forms a lifting structure through a guide sleeve and a guide column, and the size of the guide sleeve is consistent with that of the guide column.

[0010] Preferably, positioning rods are fixed on both sides below the punch, a discharge plate is movably connected below the positioning rods, and a spring is installed above the discharge plate.

[0011] Preferably, the positioning rod and the positioning hole are arranged correspondingly, and the spring is movably connected to the bottom of the punch.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. This double-layer fastening stamping die is used in conjunction with a feed plate, a hydraulic cylinder, a hydraulic rod, a guide plate, a fixing bolt and a limit plate. When in use, the material strip is placed above the feed plate, and the guide plate can fasten and guide both sides of the material strip, thereby preventing the material strip from deviating during the stamping process. The hydraulic cylinder can drive the hydraulic rod to extend and retract, thereby driving the guide plate to move, and can guide material strips of different widths. The limit plate can double-limit the material strip, further improving the precision of the finished product of the device;

[0014] 2. This double-layer fastening stamping die can collect waste generated during the stamping process by setting the slide groove, the slide rod and the waste box, and the waste box can be pulled out by the slide rod, so that the waste can be uniformly processed;

[0015] 3. This double-layer fastening stamping die, through the setting of positioning holes, positioning rods, unloading plates and springs, the positioning rods are inserted into the positioning holes during the punching process to limit the punch, thereby reducing position deviation and ensuring stamping accuracy. The springs are used for buffering to increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the waste box of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the concave mold of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the upper die seat of the utility model.

[0020] In the figure: 1. lower die base; 2. slide groove; 3. slide rod; 4. waste box; 5. die; 6. feed plate; 7. hydraulic cylinder; 8. hydraulic rod; 9. guide plate; 10. fixing bolt; 11. limit plate; 12. positioning hole; 13. guide column; 14. guide sleeve; 15. upper die base; 16. punch; 17. positioning rod; 18. unloading plate; 19. spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-2 The utility model provides a technical solution: a double-layer fastening stamping die, including a lower die base 1, both sides of the inner surface of the lower die base 1 are provided with slide grooves 2, the inner side of the slide groove 2 is installed with a slide rod 3, a waste box 4 is fixed to one side of the slide rod 3, the waste box 4 forms a sliding structure with the lower die base 1 through the slide rod 3, the shape of the slide rod 3 and the slide groove 2 are consistent, the waste generated during the stamping process can be collected by the waste box 4, the waste box 4 can be drawn out through the slide rod 3, and the waste is convenient for unified treatment of the waste, and a concave die 5 is fixed above the lower die base 1;

[0023] See also Figure 1 and Figure 3 A feeding plate 6 is arranged above the die 5, and hydraulic cylinders 7 are installed on both sides of the feeding plate 6. A hydraulic rod 8 is installed at one end of the hydraulic cylinder 7, and a guide plate 9 is fixed at one end of the hydraulic rod 8. The guide plate 9 forms a telescopic structure with the feeding plate 6 through the hydraulic cylinder 7. The guide plate 9 is symmetrically arranged with the central axis of the feeding plate 6. The material strip is placed above the feeding plate 6. The guide plate 9 can tighten and guide both sides of the material strip, so as to avoid the deviation of the material strip during the stamping process. The hydraulic cylinder 7 can drive the hydraulic rod 8 to be telescopic, thereby driving the guide plate 9 to move. The material strips of different widths can be guided. A fixing bolt 10 is passed through the top of the die 5. A limiting plate 11 is movably connected to the top of the fixing bolt 10. The limiting plate 11 is threadedly connected to the die 5 through the fixing bolt 10. The top of the limiting plate 11 is an open hole arrangement. The material strip can be double-limited by the limiting plate 11, which further improves the finished product accuracy of the device. A positioning hole 12 is provided on the upper surface of the limiting plate 11. Guide pillars 13 are fixed on both sides of the top of the lower die base 1. A guide sleeve 14 is sleeved on the top of the guide pillar 13. An upper die base 15 is fixed on the top of the guide sleeve 14.

[0024] See also Figure 1 and Figure 4 The upper die base 15 forms a lifting structure through a guide sleeve 14 and a guide column 13. The size of the guide sleeve 14 is consistent with that of the guide column 13. The coordinated use of the guide sleeve 14 and the guide column 13 improves the stability of the device during operation. A punch 16 is installed below the upper die base 15. Positioning rods 17 are fixed on both sides below the punch 16. A discharge plate 18 is movably connected below the positioning rod 17. A spring 19 is installed above the discharge plate 18. During the punching process, the positioning rod 17 is inserted into the positioning hole 12 to limit the punch 16, thereby reducing the position deviation. The positioning rod 17 is correspondingly arranged to the positioning hole 12, and the spring 19 is movably connected to the bottom of the punch 16. The spring 19 is used for buffering, which improves the service life of the device.

[0025] Working principle: When using the double-layer fastening stamping die, first turn on the external power supply, then place the material strip above the feeding plate 6, and the guide plate 9 can fasten and guide both sides of the material strip. Secondly, fix the limit plate 11 on the die 5 through the fixing bolt 10. The limit plate 11 can perform double-layer limit on the material strip. After that, during the punching process, the positioning rod 17 is inserted into the positioning hole 12 to limit the punch 16, thereby reducing the position deviation. When the punch 16 descends, the spring 19 is used for buffering. Finally, the waste generated during the stamping process can be collected in the waste box 4, and the waste box 4 can be pulled out through the slide bar 3, which is convenient for unified treatment of the waste. When the device is not used, the external power supply of the device is cut off. The model of the hydraulic cylinder 7 is CDM2B25, and the use process of the double-layer fastening stamping die is completed.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-layer fastening stamping die, comprising a lower die base (1), characterized in that: The inner surfaces of the lower die base (1) are provided with slide grooves (2), the inner side of the slide groove (2) is provided with a slide bar (3), a waste box (4) is fixed to one side of the slide bar (3), a concave die (5) is fixed above the lower die base (1), a feed plate (6) is provided above the concave die (5), hydraulic cylinders (7) are installed on both sides of the feed plate (6), a hydraulic rod (8) is installed at one end of the hydraulic cylinder (7), and a guide plate is fixed to one end of the hydraulic rod (8) (9), a fixing bolt (10) passes through the top of the die (5), a limit plate (11) is movably connected to the top of the fixing bolt (10), a positioning hole (12) is provided on the upper surface of the limit plate (11), guide pillars (13) are fixed on both sides of the top of the lower die base (1), a guide sleeve (14) is sleeved on the top of the guide pillar (13), an upper die base (15) is fixed above the guide sleeve (14), and a punch (16) is installed below the upper die base (15).

2. A double-layer fastening stamping die according to claim 1, characterized in that: The waste box (4) forms a sliding structure with the lower die base (1) via a sliding rod (3), and the shape of the sliding rod (3) matches that of the sliding groove (2).

3. A double-layer fastening stamping die according to claim 1, characterized in that: The guide plate (9) forms a telescopic structure with the feeding plate (6) through a hydraulic cylinder (7), and the guide plate (9) is symmetrically arranged with respect to the central axis of the feeding plate (6).

4. A double-layer fastening stamping die according to claim 1, characterized in that: The limiting plate (11) is threadedly connected to the die (5) via a fixing bolt (10), and the upper portion of the limiting plate (11) is provided with an opening.

5. A double-layer fastening stamping die according to claim 1, characterized in that: The upper die seat (15) forms a lifting structure through a guide sleeve (14) and a guide column (13), and the size of the guide sleeve (14) is consistent with that of the guide column (13).

6. A double-layer fastening stamping die according to claim 1, characterized in that: Positioning rods (17) are fixed on both sides below the punch (16), a discharge plate (18) is movably connected below the positioning rod (17), and a spring (19) is installed above the discharge plate (18).

7. A double-layer fastening stamping die according to claim 6, characterized in that: The positioning rod (17) is arranged corresponding to the positioning hole (12), and the spring (19) is movably connected to the lower part of the punch (16).

Images