Special-shaped spring machining die

Abstract

The utility model discloses a special-shaped spring machining die. The device comprises a connecting plate, and the two sides and the two ends of the bottom of the connecting plate are each provided with a limiting groove; the number of the movable push plates is four, the movable push plates are slidably connected with the connecting plate through the limiting grooves, the four movable push plates form a cylinder, and an adjusting structure is arranged in the cylinder; the ejector rod is arranged at the top end of the interior of the cylinder formed by the movable push plates; and the rotating cover is rotationally arranged at the top of the ejector rod. According to the utility model, the movable push plate can be driven to move on the connecting plate through the adjusting structure, so that the purpose of adjusting the size is achieved, when large and small head springs with different sizes are processed, dies with different sizes do not need to be replaced, the operation is convenient and rapid, a plurality of processing dies do not need to be prepared, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of spring processing, in particular to a special-shaped spring processing die. Background Art

[0002] Special-shaped springs differ from conventional springs in that they are irregular, with bends and numerous complex angles. They are suitable for specialized applications. Among special-shaped springs, the majority are cross-section springs. Existing special-shaped spring processing dies have different sizes of cross-section springs, requiring the use of different dies. This is cumbersome and requires multiple dies, resulting in high production costs. Utility Model Content

[0003] The purpose of the utility model is to provide a special-shaped spring processing die to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a special-shaped spring processing die, comprising:

[0005] A connecting plate, wherein both sides and ends of the bottom of the connecting plate are provided with limiting grooves;

[0006] There are four movable push plates, which are slidably connected to the connecting plate through the limiting grooves, and the four movable push plates form a cylinder and an adjustment structure is provided in the cylinder;

[0007] A push rod, which is arranged at the top end of the cylinder formed by the movable push plate;

[0008] The rotary cover is rotatably arranged on the top of the top rod.

[0009] By adopting the above technical solution, the staff can drive the movable push plate to move on the connecting plate by adjusting the structure, so that the mold can change the size of the large head forming module. There is no need for the staff to frequently replace the spring mold, which is convenient and quick to operate and reduces production costs.

[0010] Preferably, a slider is provided at the middle position of the bottom of the movable push plate, and the connecting plate is slidably connected to the movable push plate through the limiting groove and the slider.

[0011] By adopting the above technical solution, the moving range of the movable push plate on the connecting plate is limited, and the slider can prevent the movable push plate from falling off the connecting plate.

[0012] Preferably, the top of the outer side of the push rod and the outer side of the rotating cover are both provided with bayonet holes, and the top of the rotating cover is provided with a fixing bolt.

[0013] By adopting the above technical solution, the staff can align the bayonet by rotating the rotary cover, and one end of the spring can be fixed through the bayonet. Then the rotary cover is rotated to cooperate with the fixing bolt to fix the rotary cover, so that one end of the spring can be fixed on the top rod.

[0014] Preferably, the adjustment structure includes a first connecting rod and a connecting piece, the first connecting rod is rotatably installed on both sides and both ends of the bottom of the push rod, the movable push plate is slidingly connected to the connecting piece at the middle position near one side of the push rod, the first connecting rod is rotatably connected to the connecting piece, the connecting piece is rotatably connected to one end of the second connecting rod, the other end of the second connecting rod is rotatably connected to a mounting plate, a screw rod is rotatably installed on the top of the mounting plate, and a servo motor is installed on the bottom of the mounting plate.

[0015] By adopting the above technical solution, the servo motor drives the screw to rotate, drives the mounting plate to move, thereby pushing the second connecting rod, causing the connecting part to move on the movable push plate, driving the first connecting rod to move. The movement of the connecting part drives the movable push plate to move on the connecting plate, thereby achieving the purpose of adjusting the size.

[0016] Preferably, the output end of the servo motor is connected to the lead screw.

[0017] Preferably, a threaded hole is provided in the middle of the bottom of the push rod, and the push rod is threadedly connected to the screw rod through the threaded hole.

[0018] By adopting the above technical solution, the screw rod is connected to the push rod through the threaded hole and plays the role of fixing the adjustment structure.

[0019] Preferably, connecting blocks are provided at both ends and sides of the bottom of the mandrel and both sides and ends of the top of the mounting plate, and the mandrel and the mounting plate are rotatably connected between the first connecting rod and the second connecting rod respectively through the connecting blocks.

[0020] Preferably, the top of the movable push plate is conical, and a sliding groove is provided in the middle position of the movable push plate close to the push rod, and the movable push plate is slidably connected to the connecting piece through the sliding groove.

[0021] By adopting the above technical solution, the top of the movable push plate is conical, which plays a guiding role and facilitates the formation of the spring. The connecting piece moves on the movable push plate through the slide groove.

[0022] Compared with the prior art, the beneficial effect of the present invention is that the special-shaped spring processing mold can drive the movable push plate to move on the connecting plate through the adjustment structure, thereby achieving the purpose of adjusting the size. Therefore, when processing large and small head springs of different sizes, there is no need to replace molds of different sizes. The operation is convenient and quick, and there is no need to prepare multiple processing molds, thereby reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of the structure of the utility model;

[0024] Figure 2 This is the main view of the structure of the utility model;

[0025] Figure 3 This is a main sectional view of the internal structure of the utility model.

[0026] In the figure: 1. Connecting plate; 2. Movable push plate; 3. Ejector rod; 4. Bayonet; 5. Rotating cover; 6. Fixing bolt; 7. First connecting rod; 8. Connecting piece; 9. Second connecting rod; 10. Screw rod; 11. Mounting plate; 12. Servo motor. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-3 The present invention provides an embodiment of a special-shaped spring processing die, comprising:

[0029] Connecting plate 1, both sides and ends of the bottom of the connecting plate 1 are provided with limiting grooves;

[0030] There are four movable push plates 2, which are slidably connected to the connecting plate 1 through the limiting grooves. The four movable push plates 2 form a cylinder and an adjustment structure is provided inside the cylinder;

[0031] A push rod 3 is provided at the top end of the cylinder formed by the movable push plate 2;

[0032] The rotary cover 5 is rotatably arranged on the top of the top rod 3;

[0033] The staff drives the movable push plate 2 to move on the connecting plate 1 by adjusting the structure, so that the mold can change the size of the large head forming module. There is no need for the staff to frequently replace the spring mold. The operation is convenient and fast, and the production cost is reduced.

[0034] In this embodiment, a slider is provided at the middle position of the bottom of the movable push plate 2, and the connecting plate 1 is slidably connected to the movable push plate 2 through the limit groove and the slider, thereby limiting the movement range of the movable push plate 2 on the connecting plate 1, and the slider can prevent the movable push plate 2 from falling off from the connecting plate 1.

[0035] In this embodiment, a bayonet 4 is provided on the top of the outer side of the push rod 3 and the outer side of the rotating cover 5, and a fixing bolt 6 is provided on the top of the rotating cover 5. The staff aligns the bayonet by rotating the rotating cover 5, and one end of the spring can be fixed through the bayonet. Then the rotating cover 5 is rotated to cooperate with the fixing bolt 6 to fix the rotating cover 5 to rotate, so that one end of the spring can be fixed on the push rod 3.

[0036] In this embodiment, the adjustment structure includes a first connecting rod 7 and a connecting member 8. The first connecting rod 7 is rotatably installed on both sides and both ends of the bottom of the top rod 3. The movable push plate 2 is slidingly connected to the connecting member 8 at the middle position near the side of the top rod 3. The first connecting rod 7 and the connecting member 8 are rotatably connected. The connecting member 8 is rotatably connected to one end of the second connecting rod 9. The other end of the second connecting rod 9 is rotatably connected to a mounting plate 11. A screw rod 10 is rotatably installed on the top of the mounting plate 11, and a servo motor 12 is installed at the bottom of the mounting plate 11. The servo motor 12 drives the screw rod 10 to rotate, drives the mounting plate 11 to move, thereby pushing the second connecting rod 9, causing the connecting member 8 to move on the movable push plate 2, and driving the first connecting rod 7 to move. The movement of the connecting member 8 drives the movable push plate 2 to move on the connecting plate 1, thereby achieving the purpose of adjusting the size.

[0037] In this embodiment, the output end of the servo motor 12 is connected to the lead screw 10 .

[0038] In this embodiment, a threaded hole is opened in the middle position of the bottom of the push rod 3, and the push rod 3 is threadedly connected to the screw rod 10 through the threaded hole. The screw rod 10 is connected to the push rod 3 through the threaded hole and plays the role of fixing the adjustment structure.

[0039] In this embodiment, connecting blocks are provided at both ends and both sides of the bottom of the top rod 3 and both sides and both ends of the top of the mounting plate 11, and the top rod 3 and the mounting plate 11 are rotatably connected between the first connecting rod 7 and the second connecting rod 9 through the connecting blocks respectively.

[0040] In this embodiment, the top of the movable push plate 2 is conical, and a sliding groove is provided in the middle position of the movable push plate 2 near the side of the push rod 3. The movable push plate 2 is slidingly connected to the connecting member 8 through the sliding groove. The top of the movable push plate 2 is conical, which plays a guiding role and facilitates the formation of the spring. The connecting member 8 moves on the movable push plate 2 through the sliding groove.

[0041] Working principle: The staff adjusts the coordination between the first connecting rod 7, connecting member 8, second connecting rod 9, screw rod 10, mounting plate 11 and servo motor 12 in the structure, and drives the screw rod 10 to rotate through the servo motor 12, thereby driving the mounting plate 11 to move, thereby pushing the second connecting rod 9, causing the connecting member 8 to move on the movable push plate 2, and driving the first connecting rod 7 to move. The movement of the connecting member 8 drives the movable push plate 2 to move on the connecting plate 1, thereby achieving the purpose of adjusting the size.

[0042] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or scope of the present invention. Therefore, the embodiments of the present invention are illustrative and non-restrictive. The scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations within the meaning and scope of equivalents of the claims be encompassed within the present invention. Any reference numerals in the claims should not be construed as limiting the claim to which they relate.

Claims

1. A special-shaped spring processing mold, characterized in that: include: A connecting plate (1), wherein both sides and ends of the bottom of the connecting plate (1) are provided with limiting grooves; There are four movable push plates (2), which are slidably connected to the connecting plate (1) via the limiting grooves, and the four movable push plates (2) form a cylinder and an adjustment structure is provided in the cylinder; A push rod (3), the push rod (3) being arranged at the top end of the cylinder formed by the movable push plate (2); A rotating cover (5) is rotatably arranged on the top of the top rod (3).

2. The special-shaped spring processing mold according to claim 1, characterized in that: A slider is provided at the middle position of the bottom of the movable push plate (2), and the connecting plate (1) is slidably connected to the movable push plate (2) via the limiting groove and the slider.

3. The special-shaped spring processing mold according to claim 1, characterized in that: A bayonet (4) is provided on the top of the outer side of the push rod (3) and the outer side of the rotating cover (5), and a fixing bolt (6) is provided on the top of the rotating cover (5).

4. The special-shaped spring processing mold according to claim 1, characterized in that: The adjustment structure includes a first connecting rod (7) and a connecting member (8), the first connecting rod (7) is rotatably mounted on both sides and both ends of the bottom of the push rod (3), the middle position of the movable push plate (2) close to the side of the push rod (3) is slidably connected to the connecting member (8), the first connecting rod (7) and the connecting member (8) are rotatably connected, the connecting member (8) and one end of the second connecting rod (9) are rotatably connected, the other end of the second connecting rod (9) is rotatably connected to a mounting plate (11), a screw rod (10) is rotatably mounted on the top of the mounting plate (11), and a servo motor (12) is mounted on the bottom of the mounting plate (11).

5. The special-shaped spring processing mold according to claim 4, characterized in that: The output end of the servo motor (12) is connected to the screw rod (10).

6. The special-shaped spring processing mold according to claim 4, characterized in that: A threaded hole is provided in the middle of the bottom of the push rod (3), and the push rod (3) is threadedly connected to the screw rod (10) through the threaded hole.

7. The special-shaped spring processing mold according to claim 4, characterized in that: Connecting blocks are provided at both ends and sides of the bottom of the push rod (3) and both ends and sides of the top of the mounting plate (11). The push rod (3) and the mounting plate (11) are rotatably connected to the first connecting rod (7) and the second connecting rod (9) respectively through the connecting blocks.

8. The special-shaped spring processing mold according to claim 4, characterized in that: The top of the movable push plate (2) is conical, and a sliding groove is provided in the middle position of the movable push plate (2) close to the push rod (3). The movable push plate (2) is slidably connected to the connecting member (8) through the sliding groove.

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