High-precision part cold forging die

Abstract

The utility model relates to the technical field of part machining, and discloses a high-precision part cold forging die which comprises a base, fixing blocks are fixedly connected to the two sides of the top of the base, threaded holes are formed in the fixing blocks, threaded limiting rods are arranged in the fixing blocks, and the threaded limiting rods are arranged in the threaded holes. And the threaded limiting rods are in threaded connection with the interiors of the threaded holes, the ends, close to each other, of the threaded limiting rods are in threaded connection with the interiors of the inserting grooves, the ends, away from each other, of the threaded limiting rods are fixedly connected with hand cranks, and positioning assemblies are arranged at the tops of the bases. According to the mold, the threaded limiting rods and the fixing bolts are arranged, so that the upper mold and the lower mold can be fixed, meanwhile, workers can conveniently disassemble and replace the upper mold and the lower mold, practicability is improved, and errors and faults are prevented from occurring in the production process through cooperation of the mounting holes and the positioning holes.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to a high-precision parts cold forging die. Background Art

[0002] A general term for cold die forging, cold extrusion, cold heading and other plastic processing. Cold forging is a forming process below the recrystallization temperature of the material, and is a forging process performed below the recovery temperature. In production, forging without heating the blank is usually called cold forging. Cold forging materials are mostly aluminum and some alloys, copper and some alloys, low carbon steel, medium carbon steel, and low alloy structural steel, which have low deformation resistance and good plasticity at room temperature. Cold forgings have good surface quality and high dimensional accuracy, and can replace some cutting processes. Cold forging can strengthen metals and improve the strength of parts.

[0003] After searching, the Chinese patent with announcement number CN218134740U discloses a precision cold forging die for automobile parts, including a water tank, an operating table is arranged inside the water tank, a piston is arranged at the bottom of the operating table, a driving assembly is arranged at the lower end of the piston, an automobile part is arranged at the upper end of the operating table, and limit assemblies are arranged on both sides of the automobile part. Although this patented technology can realize the limit work of automobile parts of different sizes, it avoids the situation that the limit groove can only be used for the limit of parts of specific sizes and the application range is small, and expands the application range of the device, but the mold will be damaged after a long period of use. At this time, the traditional mold needs to replace the entire structure, and the mold cannot be disassembled and replaced separately, which causes unnecessary waste and is inconvenient for staff to maintain. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a high-precision parts cold forging die, aiming to improve the problem that the die in the prior art will be damaged after a long period of use. At this time, the traditional die needs to replace the entire structure, and the die cannot be disassembled and replaced separately, resulting in unnecessary waste and inconvenience for staff maintenance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-precision parts cold forging die, comprising a base, fixed blocks are fixedly connected to both sides of the top of the base, threaded holes are provided inside the fixed blocks, threaded limit rods are provided inside the fixed blocks, the threaded limit rods are threadedly connected to the inside of the threaded holes, the ends of the threaded limit rods that are close to each other are threadedly connected to the inside of the slots, the ends of the threaded limit rods that are far away are fixedly connected to hand cranks, and a positioning component is provided on the top of the base.

[0006] Furthermore, the positioning assembly includes a positioning hole, the top of the base is provided with a positioning hole, the top of the base is provided with a lower mold, the bottom of the lower mold is fixedly connected with a positioning rod, and the positioning rod is provided inside the positioning hole.

[0007] Furthermore, four corners of the top of the base are fixedly connected with sliding rods, and the tops of the sliding rods are fixedly connected to the bottom of the top plate.

[0008] Furthermore, the outside of the sliding rod is slidably connected with a sliding sleeve, and the sliding sleeve is fixedly connected to the inside of the movable plate.

[0009] Furthermore, a cylinder is fixedly connected to the bottom of the top plate, and an output end of the cylinder is fixedly connected to the top of the movable plate.

[0010] Furthermore, a mounting seat is fixedly connected to the bottom of the movable plate, and mounting holes are provided inside the mounting seat.

[0011] Furthermore, an upper mold is provided at the bottom of the mounting seat, mounting holes are provided inside the upper mold, and fixing bolts are provided inside the upper mold.

[0012] Furthermore, fixing bolts are provided inside the mounting seat, and the fixing bolts are threadedly connected inside the mounting hole.

[0013] Furthermore, a punch head is fixedly connected to the bottom of the upper die.

[0014] Furthermore, four corners of the bottom of the base are fixedly connected with support legs.

[0015] The utility model has the following beneficial effects:

[0016] 1. In the utility model, the upper mold and the lower mold can be fixed by the cooperation among the base, the fixing block, the hand crank, the threaded limit rod, the threaded hole, the positioning rod, the positioning hole, the slot, the lower mold, the fixing bolt, the mounting seat, the mounting hole upper mold and the like. At the same time, it is also convenient for the staff to disassemble and replace the upper mold and the lower mold, thereby improving the practicality.

[0017] 2. In the utility model, the accuracy of product molding is determined by the coordination among the structures such as the mounting holes, positioning holes, sliding rods, sliding sleeves, cylinders, movable plates, upper molds, lower molds, punch heads, positioning rods, fixing bolts, etc., to prevent errors and failures in the production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a high-precision cold forging die for a component proposed by the utility model;

[0019] Figure 2 This is a bottom view of a high-precision cold forging die for a component proposed by the utility model;

[0020] Figure 3 This is a partial structural schematic diagram of a high-precision cold forging die for parts proposed by the utility model;

[0021] Figure 4 This is a partial structural exploded diagram of a high-precision cold forging die for a component proposed by the utility model;

[0022] Figure 5 for Figure 2 Enlarged view of point A in the middle.

[0023] Legend:

[0024] 1. Base; 2. Top plate; 3. Sliding sleeve; 4. Sliding rod; 5. Cylinder; 6. Mounting seat; 7. Upper mold; 8. Lower mold; 9. Movable plate; 10. Mounting hole; 11. Fixing bolt; 12. Punch head; 13. Positioning hole; 14. Slot; 15. Fixing block; 16. Hand crank; 17. Threaded limit rod; 18. Threaded hole; 19. Positioning rod; 20. Support leg. DETAILED DESCRIPTION

[0025] 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.

[0026] Reference Figure 1 , Figure 3 and Figure 4 The utility model provides an embodiment: a high-precision component cold forging die, including a base 1, both sides of the top of the base 1 are fixedly connected with fixed blocks 15, the interior of the fixed blocks 15 is provided with threaded holes 18, the interior of the fixed blocks 15 is provided with threaded limiting rods 17, the threaded limiting rods 17 are threadedly connected to the interior of the threaded holes 18, the ends of the threaded limiting rods 17 that are close to each other are threadedly connected to the interior of the slots 14, the ends of the threaded limiting rods 17 that are away from each other are fixedly connected with hand cranks 16, a positioning component is provided on the top of the base 1, the positioning component includes a positioning hole 13, the top of the base 1 is provided with a positioning hole 13, the top of the base 1 is provided with a lower die 8, the bottom of the lower die 8 is fixedly connected with a positioning rod 19, and the positioning rod 19 is provided inside the positioning hole 13.

[0027] By rotating the threaded limit rod 17, the ends of the threaded limit rod 17 that are close to each other are threadedly connected in the slot 14, so as to achieve the function of fixing and limiting the lower mold 8. The positioning rod 19 at the bottom of the lower mold 8 is engaged in the positioning hole 13, and the fixing block 15 is used to install the threaded limit rod 17.

[0028] Reference Figure 1 , Figure 2 and Figure 5 The four corners of the top of the base 1 are fixedly connected with sliding rods 4, the tops of the sliding rods 4 are fixedly connected to the bottom of the top plate 2, the outsides of the sliding rods 4 are slidably connected with sliding sleeves 3, the sliding sleeves 3 are fixedly connected to the inside of the movable plate 9, the bottom of the top plate 2 is fixedly connected with a cylinder 5, the output end of the cylinder 5 is fixedly connected to the top of the movable plate 9, the bottom of the movable plate 9 is fixedly connected with a mounting seat 6, and the inside of the mounting seat 6 is provided with mounting holes 10.

[0029] The movable plate 9 is driven by the cylinder 5, and the movable plate 9 slides on the slide rod 4 through the sliding sleeve 3. The movable plate 9 drives the mounting seat 6 to move, and the mounting hole 10 is used to install upper molds 7 of different models.

[0030] Reference Figure 1 and Figure 5 An upper mold 7 is provided at the bottom of the mounting seat 6, and mounting holes 10 are opened inside the upper mold 7. Fixing bolts 11 are provided inside the upper mold 7. Fixing bolts 11 are provided inside the mounting seat 6. The fixing bolts 11 are threadedly connected to the inside of the mounting holes 10. A punch head 12 is fixedly connected to the bottom of the upper mold 7, and support legs 20 are fixedly connected to the four corners of the bottom of the base 1.

[0031] The upper die 7 is fixed on the mounting seat 6 by means of fixing bolts 11, the mounting holes 10 are used for threaded connection of the fixing bolts 11, the punching head 12 is used for punching operation, and the supporting legs 20 are used for supporting the device for operation.

[0032] Working principle: When using the device, when the staff needs to disassemble and replace the lower mold 8, the staff can shake the hand crank 16 to rotate, and the hand crank 16 rotates to drive the threaded limit rod 17 to rotate. The threaded limit rod 17 rotates and moves away from the slot 14 to release the limit on the lower mold 8. At this time, the staff can lift the lower mold 8 upward, so as to remove the lower mold 8 from the base 1. When installation is required, the staff can align the positioning rod 19 at the bottom of the lower mold 8 with the positioning hole 13 for installation. At this time, the rotating threaded limit rod 17 is reinserted into the slot 14 to complete the limit. When the upper mold 7 is disassembled and replaced, the upper mold 7 can be removed from the mounting seat 6 by rotating the four sets of fixing bolts 11. The movable plate 9 is driven by the driving cylinder 5. The movable plate 9 slides and rises on the slide rod 4 through the sliding sleeve 3. The movable plate 9 drives the upper mold 7 at the bottom to move downward, and the punch head 12 on the upper mold 7 cooperates with the hole in the lower mold 8, so as to cold forge the parts, determine the accuracy of the forming of the parts, and prevent errors and failures in the production process.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-precision component cold forging die, comprising a base (1), characterized in that: Both sides of the top of the base (1) are fixedly connected with a fixing block (15), a threaded hole (18) is provided inside the fixing block (15), a threaded limiting rod (17) is provided inside the fixing block (15), the threaded limiting rod (17) is threadedly connected inside the threaded hole (18), the ends of the threaded limiting rods (17) that are close to each other are threadedly connected inside the slot (14), and the ends of the threaded limiting rods (17) that are far away are fixedly connected with a hand crank (16), and a positioning component is provided on the top of the base (1).

2. A high-precision parts cold forging die according to claim 1, characterized in that: The positioning assembly comprises a positioning hole (13), the top of the base (1) is provided with a positioning hole (13), the top of the base (1) is provided with a lower mold (8), the bottom of the lower mold (8) is fixedly connected with a positioning rod (19), and the positioning rod (19) is arranged inside the positioning hole (13).

3. A high-precision parts cold forging die according to claim 1, characterized in that: The four corners of the top of the base (1) are fixedly connected to sliding rods (4), and the tops of the sliding rods (4) are fixedly connected to the bottom of the top plate (2).

4. A high-precision component cold forging die according to claim 3, characterized in that: The outside of the sliding rod (4) is slidably connected to a sliding sleeve (3), and the sliding sleeve (3) is fixedly connected to the inside of the movable plate (9).

5. The high-precision parts cold forging die according to claim 3, characterized in that: The bottom of the top plate (2) is fixedly connected to a cylinder (5), and the output end of the cylinder (5) is fixedly connected to the top of the movable plate (9).

6. A high-precision component cold forging die according to claim 4, characterized in that: The bottom of the movable plate (9) is fixedly connected to a mounting seat (6), and mounting holes (10) are provided inside the mounting seat (6).

7. A high-precision component cold forging die according to claim 6, characterized in that: An upper mold (7) is arranged at the bottom of the mounting seat (6), a mounting hole (10) is provided inside the upper mold (7), and a fixing bolt (11) is provided inside the upper mold (7).

8. The high-precision component cold forging die according to claim 6, characterized in that: The interior of the mounting seat (6) is provided with fixing bolts (11), and the fixing bolts (11) are threadedly connected to the interior of the mounting hole (10).

9. The high-precision cold forging die for parts according to claim 7, characterized in that: A punch head (12) is fixedly connected to the bottom of the upper die (7).

10. The high-precision parts cold forging die according to claim 1, characterized in that: The four corners of the bottom of the base (1) are fixedly connected with support legs (20).

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