Spring forming machine cutting device

Abstract

This utility model relates to the field of spring processing technology, specifically a cutting device for a spring forming machine, including a base and a positioning device. The base is equipped with a first positioning frame and a second positioning frame, with a slider slidably connected inside the first and second positioning frames. The positioning device includes a positioning block mounted on the slider, a rotating shaft rotatably mounted inside the positioning block and having a first threaded portion and a second threaded portion, two symmetrically distributed threaded blocks threadedly connected to the first and second threaded portions respectively, a first clamping block mounted on the threaded blocks, a connecting shaft rotatably connected to the positioning block, a handwheel and a first gear respectively mounted at both ends of the connecting shaft, a second gear coaxially mounted on the rotating shaft, an indicator rod mounted on one side of the slider, and a scale mounted on the first positioning frame. This utility model can adjust the positioning and clamping according to the required cutting length of springs in different batches, thereby ensuring the quality of the cutting process.

Description

Technical Field

[0001] This utility model relates to the field of spring processing technology, and in particular to a cutting device for a spring forming machine. Background Technology

[0002] As a typical elastic energy storage element, a spring achieves its mechanical function through the elastic deformation of a specific alloy material. Within its elastic limit, it undergoes controllable deformation under external force and can autonomously return to its initial shape after the external force is removed. This characteristic makes it a key functional component in mechanical systems. The cutting device of a spring forming machine is a crucial component in the spring production process, primarily used to cut the formed springs from the wire.

[0003] Chinese Patent No. CN220444923U discloses a spring forming and cutting device, including a drive motor, a worktable, and a scale. A lead screw is fixedly connected to the output end of the drive motor, and a movable slide is threaded onto the outer surface of the lead screw. A pointer corresponding to the position of the scale is fixedly connected to the top side of the movable slide. This cutting device, through the coordinated arrangement of the drive motor, scale, lead screw, movable slide, pointer, electric push rod, moving frame, motor, cutting blade, guide slide, compression spring, pressure plate, first guide rod, and fixed base, can simultaneously cut and compress and fix the spring, making the spring cutting operation more convenient. Furthermore, the cutting blade can be adjusted to a suitable position according to actual usage needs, allowing the device to cut springs of varying lengths, thus improving its practicality and structural flexibility.

[0004] However, the above technical solution has the following shortcomings: Although the device can cut springs of a large length when cutting springs, it cannot position and fix the springs according to their length when placing them, and there is no corresponding cutting groove on the cutting table, which will cause wear on the cutting blade and affect the practicality and service life of the device. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing a cutting device for a spring forming machine, which can adjust the positioning and fix the clamping according to the required cutting length of springs in different batches, thereby ensuring the quality of the cutting process.

[0006] The present invention provides a cutting device for a spring forming machine, comprising a base and a positioning device. The base is provided with a first positioning frame and a second positioning frame, with a slider slidably connected inside the first and second positioning frames. The positioning device includes a positioning block on the slider, a rotating shaft rotatably disposed inside the positioning block and having a first threaded portion and a second threaded portion, two symmetrically distributed threaded blocks threadedly connected to the first and second threaded portions respectively, a first clamping block on the threaded blocks, a connecting shaft rotatably connected to the positioning block, a handwheel and a first gear respectively disposed at both ends of the connecting shaft, a second gear coaxially disposed on the rotating shaft, an indicator rod disposed on one side of the slider, and a scale disposed on the first positioning frame. The first and second threaded portions are symmetrically distributed and rotate in opposite directions, and the first and second gears are meshed together.

[0007] Preferably, the first positioning frame and the second positioning frame are provided with horizontally distributed fixed rods inside, and the slider is slidably connected to the fixed rods.

[0008] Preferably, a fixing block is provided on one side of the slider, a screw is threadedly connected to the fixing block, and a pressure plate is provided on the screw.

[0009] Preferably, the pressure plate is provided with an anti-slip layer and a handle, and the anti-slip layer is pressed against the second positioning frame.

[0010] Preferably, a first fixing frame is provided on the base, a first cylinder is provided on the first fixing frame, and the first cylinder drives the cutter.

[0011] Preferably, a second fixing frame is provided on the base, and a reinforcing component is provided on the second fixing frame. The reinforcing component includes a second cylinder provided on the second fixing frame, a second clamping block driven and connected to the second cylinder, and a third clamping block provided on the base and located directly below the second clamping block.

[0012] Preferably, the second clamping block is provided with two vertically distributed guide rods, which pass through and are slidably connected to the second fixed frame.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] This utility model, through its positioning device, can not only accurately position the cutting position according to the required cutting length of springs in different batches, but also play a certain role in auxiliary fixing. In conjunction with the screw, pressure plate and anti-slip pad, it can improve the stability of the spring during cutting. Moreover, it is simple and convenient to operate and has good practicality. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the positioning device of this utility model;

[0017] Figure 3 This is a structural cross-sectional view of an embodiment of the present utility model;

[0018] Figure 4 This is a schematic diagram of the clamping assembly of this utility model.

[0019] Reference numerals: 1. Base; 2. First positioning frame; 3. Second positioning frame; 4. Fixing rod; 5. Slider; 6. Positioning block; 7. Rotating shaft; 8. First threaded part; 9. Second threaded part; 10. Threaded block; 11. First clamping block; 12. Connecting shaft; 13. Handwheel; 14. First gear; 15. Second gear; 16. Indicator rod; 17. Scale; 18. Fixing block; 19. Screw; 20. Pressure plate; 21. Anti-slip layer; 22. Handle; 23. First fixing frame; 24. First cylinder; 25. Cutter; 26. Second fixing frame; 27. Second cylinder; 28. Second clamping block; 29. ​​Third clamping block; 30. Guide rod. Detailed Implementation

[0020] Example 1

[0021] like Figure 1 - Figure 4 As shown, the spring forming machine cutting device proposed in this embodiment includes a base 1 and a positioning device; the base 1 is provided with a cutting groove, and a first positioning frame 2 and a second positioning frame 3 are provided on the base 1. A slider 5 is slidably connected inside the first positioning frame 2 and the second positioning frame 3. A horizontally distributed fixed rod 4 is provided inside the first positioning frame 2 and the second positioning frame 3. The slider 5 is slidably connected to the fixed rod 4.

[0022] The positioning device includes a positioning block 6 mounted on the slider 5, a rotating shaft 7 rotatably mounted inside the positioning block 6 and having a first threaded portion 8 and a second threaded portion 9, two symmetrically distributed threaded blocks 10 respectively threaded to the first threaded portion 8 and the second threaded portion 9, a first clamping block 11 mounted on the threaded block 10, a connecting shaft 12 rotatably connected to the positioning block 6, a handwheel 13 and a first gear 14 respectively mounted at both ends of the connecting shaft 12, a second gear 15 coaxially mounted on the rotating shaft 7, an indicator rod 16 mounted on one side of the slider 5, and a scale 17 mounted on the first positioning frame 2; the first threaded portion 8 and the second threaded portion 9 are symmetrically distributed and rotate in opposite directions, and the first gear 14 and the second gear 15 are meshed together.

[0023] In this embodiment, when springs in the same batch need to be cut, the spring is first positioned according to its length and the position to be cut. The position of the positioning block 6 can be moved by observing the pointer 16 pointing to the scale on the ruler 17. The distance from the positioning block 6 to the cutting point is the length of the spring to be cut. After adjusting the position of the positioning block 6, one end of the spring is attached to the positioning block 6 and located in the middle of the two first clamping blocks 11. Then, the connecting shaft 12 is rotated by the handwheel 13, and the first gear 14 and the second gear 15 mesh and drive, so that the first threaded part 8 and the second threaded part 9 on the rotating shaft 7 are screwed into the threaded blocks 10 on both sides respectively. Then, the two threaded blocks 10 drive the first clamping blocks 11 on both sides to move closer to each other until the spring is clamped. This provides an auxiliary fixing effect for the spring, and the spring is also located at the cutting position in the center of the base 1. The operation is simple and convenient and has good practicality.

[0024] It should be noted that the handwheel 13 can be replaced with a motor drive structure with a sensing system without considering cost. The rotation of the shaft 7 can be controlled by detecting the magnitude of the squeezing force between the first clamp 11 and the spring, thereby further improving the ease of use of the device.

[0025] Example 2

[0026] like Figure 2 and Figure 3 As shown, in this embodiment, a spring forming machine cutting device is proposed. Compared with the first embodiment, in this embodiment, a fixing block 18 is provided on one side of the slider 5. A screw 19 is threadedly connected to the fixing block 18. A pressure plate 20 is provided on the screw 19. An anti-slip layer 21 and a handle 22 are provided on the pressure plate 20. The anti-slip layer 21 and the second positioning frame 3 are pressed against each other.

[0027] In this embodiment, after the position of the positioning block 6 is adjusted, the screw 19 is screwed into the threaded groove on the fixing block 18 by the handle 22 until the pressure plate 20 is pressed tightly on the second positioning frame 3. The anti-slip layer 21 increases the friction between the pressure plate 20 and the second positioning frame 3, thereby limiting the position of the fixing block 18 and improving the stability of the positioning block 6.

[0028] Example 3

[0029] like Figure 1 and Figure 4 As shown in the figure, the spring forming machine cutting device proposed in this embodiment, compared with the first embodiment, has a first fixed frame 23 on the base 1, a first cylinder 24 on the first fixed frame 23, and a cutter 25 driven by the first cylinder 24.

[0030] A second fixing frame 26 is provided on the base 1. A reinforcing component is provided on the second fixing frame 26. The reinforcing component includes a second cylinder 27 provided on the second fixing frame 26, a second clamping block 28 drivenly connected to the second cylinder 27, and a third clamping block 29 provided on the base 1 and located directly below the second clamping block 28. Two vertically distributed guide rods 30 are provided on the second clamping block 28. The guide rods 30 pass through and are slidably connected to the second fixing frame 26.

[0031] In this embodiment, after the first clamping block 11 clamps one end of the spring, the second cylinder 27 is activated to drive the second clamping block 28 to descend until the second clamping block 28 and the third clamping block 29 stabilize and reinforce the remaining part of the spring. The end of the clamping position is close to the cutting position of the spring to ensure stability during cutting. At the same time, the guide rod 30 has a guiding and stabilizing effect on the descent of the second clamping block 28. Then, the first cylinder 24 is activated to drive the cutter 25 to descend, and the spring is cut in conjunction with the cutting groove.

[0032] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A cutting device for a spring forming machine, characterized in that, include: A base (1) is provided with a first positioning frame (2) and a second positioning frame (3), and a slider (5) is slidably connected inside the first positioning frame (2) and the second positioning frame (3); The positioning device includes a positioning block (6) disposed on a slider (5), a rotating shaft (7) rotatably disposed inside the positioning block (6) and having a first threaded portion (8) and a second threaded portion (9), two symmetrically distributed threaded blocks (10) respectively threaded to the first threaded portion (8) and the second threaded portion (9), a first clamping block (11) disposed on the threaded block (10), a connecting shaft (12) rotatably connected to the positioning block (6), a handwheel (13) and a first gear (14) respectively disposed at both ends of the connecting shaft (12), a second gear (15) coaxially disposed on the rotating shaft (7), an indicator rod (16) disposed on one side of the slider (5), and a scale (17) disposed on the first positioning frame (2); the first threaded portion (8) and the second threaded portion (9) are symmetrically distributed and rotate in opposite directions, and the first gear (14) and the second gear (15) are meshed together.

2. The cutting device for a spring forming machine according to claim 1, characterized in that, The first positioning frame (2) and the second positioning frame (3) are equipped with horizontally distributed fixed rods (4), and the slider (5) is slidably connected to the fixed rods (4).

3. The cutting device for a spring forming machine according to claim 1, characterized in that, A fixing block (18) is provided on one side of the slider (5), and a screw (19) is threadedly connected to the fixing block (18). A pressure plate (20) is provided on the screw (19).

4. The cutting device for a spring forming machine according to claim 3, characterized in that, The pressure plate (20) is provided with an anti-slip layer (21) and a handle (22), and the anti-slip layer (21) and the second positioning frame (3) are pressed against each other.

5. The cutting device for a spring forming machine according to claim 1, characterized in that, A first fixing frame (23) is provided on the base (1), and a first cylinder (24) is provided on the first fixing frame (23). The first cylinder (24) drives the cutter (25).

6. The cutting device for a spring forming machine according to claim 1, characterized in that, A second fixing frame (26) is provided on the base (1), and a reinforcing component is provided on the second fixing frame (26). The reinforcing component includes a second cylinder (27) provided on the second fixing frame (26), a second clamping block (28) driven and connected to the second cylinder (27), and a third clamping block (29) provided on the base (1) and located directly below the second clamping block (28).

7. A cutting device for a spring forming machine according to claim 6, characterized in that, The second clamping block (28) is provided with two vertically distributed guide rods (30), which pass through and are slidably connected to the second fixing frame (26).

Images