Improved spring coiling machine

Abstract

The utility model relates to the technical field of spring coiling machines, and particularly discloses an improved spring coiling machine which comprises a spring coiling machine body and a feeding mechanism. A tailing protection mechanism and a material defect recognition mechanism are sequentially arranged on the side, close to the spring coiling machine body, of the feeding mechanism. The feeding mechanism comprises a base and a tray rotatably mounted at the top of the base, the top of the tray is slidably connected with four groups of protective plates, the top of the tray is connected with a screw, the screw is in threaded connection with a threaded sleeve, the outer side of the threaded sleeve is rotatably sleeved with a fixing ring, the fixing ring is rotatably connected with a connecting rod, and one end, away from the fixing ring, of the connecting rod is rotatably connected with the protective plates; a spring material coil can be placed on the material disc, then the threaded sleeve can be rotated to drive the fixing ring to adjust the height, the positions of the protection plates are adjusted through the connecting rods, the four protection plates move synchronously, the four protection plates are matched to fix the inner ring of the material coil, follow-up uniform and continuous feeding of the material coil is facilitated, the material coil is convenient to place, and the production efficiency is improved. And the consumption condition of the spring material can be observed subsequently.

Description

Technical Field

[0001] The utility model relates to the technical field of spring coiling machines, in particular to an improved spring coiling machine. Background Art

[0002] The spring coiling machine is a mechanical device specially used for producing springs. It mainly presses the steel wire and rotates it through one or several pairs of rollers to push the steel wire forward, and forms the steel wire by the limiting and guiding function of the upper and lower diameter rods. By controlling the position of the upper and lower diameter rods and the pitch rod, the diameter and pitch of the spring can be controlled. When the winding is completed, the steel wire is cut with a cutter to complete the production of the spring. The feeding of the spring coiling machine should be uniform and stable to reduce the impact on the spring winding process.

[0003] The existing patent announcement number CN210208466U discloses an automatic spring coiling machine clamping mechanism, which includes a spring coiling machine body, one side of the spring coiling machine body is connected to the clamping mechanism by an L-shaped rod; the clamping mechanism includes a square plate, a through groove is longitudinally opened in the square plate, and a plurality of clamping members are respectively arranged on four sides of the square plate, the clamping members include a cross bar, telescopic rods are respectively connected to the two sides of the bottom of the cross bar, each telescopic rod is respectively sleeved with a compression spring, a pressure rod is arranged in the middle of the bottom end of the cross bar, the pressure rod passes through the square plate and extends into the through groove, a soft pad is connected to the end of the pressure rod away from the cross bar, each cross bar on the same side is connected to a long rod, each long rod is connected to the square plate through an electric telescopic rod, a wire guide mechanism is arranged between the clamping mechanism and the spring coiling machine body, and the wire guide mechanism is fixedly connected to the spring coiling machine body; when the electric telescopic rod is retracted, the cross bar presses the pressure rod inwardly under the action of the restoring force of the compression spring, and each pressure rod clamps the wire in the square plate through the soft pad.

[0004] When the clamping mechanism of the above-mentioned automatic spring coiling machine is in use, the clamping mechanism on one side of the spring coiling machine body can perform limited feeding, but when the iron wire is fed, the clamping method is adopted, which affects the uniform and continuous feeding of the iron wire, and the uniform feeding stability of the iron wire coil still needs to be improved. In view of the above problems, an improved spring coiling machine is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide an improved spring coiling machine to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An improved spring coiling machine comprises a spring coiling machine body and a feeding mechanism;

[0008] The feeding mechanism is provided with a tail material protection mechanism and a material defect identification mechanism in sequence on one side close to the main body of the spring coiling machine;

[0009] The feeding mechanism comprises a base and a material tray rotatably mounted on the top of the base, the top of the material tray is slidably connected to four sets of guard plates, the top of the material tray is connected to a screw, the screw is threadedly connected to a threaded sleeve, the outer side of the threaded sleeve is rotatably sleeved with a fixing ring, the fixing ring is rotatably connected to a connecting rod, the connecting rod is rotatably connected to the guard plate at one end away from the fixing ring, and a limiting mechanism for limiting the outer side and top side of the material roll placed on the material tray is connected to the base;

[0010] The tail material protection mechanism includes a first fixing frame and two sets of transverse plates installed on one side of the first fixing frame, two sets of guide columns are arranged between the two sets of transverse plates, and adjusting parts for adjusting the distance between the two sets of guide columns are installed on the transverse plates.

[0011] In an optional solution: the bottom of the guard plate is fixedly connected to a sliding block, the top of the tray is provided with a sliding groove for the sliding block to slide, the screw is fixedly connected to the top of the tray, and four groups of guard plates are arranged in a circular array on the top of the tray.

[0012] In an optional solution: the limiting mechanism includes a support block and a support frame connected to the bottom of the support block, the support frame is installed on a base, a lifting groove is provided on the top of the support block, a spring telescopic rod is installed in the lifting groove, the top of the spring telescopic rod is connected to a limiting plate by a positioning bolt, and the outer wall of the limiting plate close to one end of the support block slides with the inner wall of the lifting groove.

[0013] In an optional solution: the spring telescopic rod includes a sleeve and an extension rod slidably connected in the sleeve, the extension rod is provided with a threaded groove cooperating with a positioning bolt, and the bottom of the sleeve is fixedly connected to the bottom of the lifting slot.

[0014] In an optional scheme: the adjusting member includes a moving block, the end of each group of guide columns is rotatably connected to the moving block, and the sides of the two groups of cross plates that are close to each other are provided with moving grooves for sliding of the moving block, one group of the moving grooves is rotatably connected to a screw rod, and the screw rod is provided with two groups of threaded areas with opposite thread rotation directions, and the moving block is provided with screw holes that cooperate with the threads of the threaded areas, and a motor for driving the screw rod to rotate is installed in the first fixed frame.

[0015] In an optional solution: the material defect identification mechanism includes a second fixing frame and a positioning frame installed on one side of the second fixing frame, and three groups of lens positioning frames arranged in a circular array are installed in the positioning frame.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The material tray of the utility model can be used to place the spring material coils, and then the threaded sleeve can be rotated to drive the fixing ring to adjust the height, so as to adjust the position of the guard plate through the connecting rod, and the four groups of guard plates move synchronously, and the four groups of guard plates cooperate to fix the inner circle of the material coil, which is convenient for the subsequent uniform and continuous feeding of the material coils, and the material coils are convenient to place, and it is beneficial to observe the consumption of the spring materials later;

[0018] The tail material protection mechanism in the utility model can adjust the distance between the two sets of guide posts according to the thickness of the steel wire, so that the steel wire can pass smoothly without causing large shaking, which is beneficial to the steel wire input material defect identification mechanism and the spring coiling machine body;

[0019] The material defect identification mechanism of the utility model can be used for subsequent installation of a lens to facilitate identification of defects in spring materials and improve subsequent production quality of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a structural schematic diagram of the feeding mechanism in the utility model.

[0022] Figure 3 It is a structural schematic diagram of the limiting mechanism in the utility model.

[0023] Figure 4 It is a structural schematic diagram of the tail material protection mechanism in the utility model.

[0024] Figure 5 It is a structural schematic diagram of the material defect identification mechanism in the utility model.

[0025] In the figure: 10, main body of the spring coiling machine;

[0026] 20. Feeding mechanism; 21. Feeding tray; 22. Base; 23. Guard plate; 24. Sliding block; 25. Sliding groove; 26. Screw; 27. Threaded sleeve; 28. Fixing ring; 29. ​​Connecting rod;

[0027] 30. Limiting mechanism; 31. Support frame; 32. Support block; 33. Lifting slot; 34. Spring telescopic rod; 35. Limiting plate; 36. Positioning bolt;

[0028] 40. tail material protection mechanism; 41. first fixed frame; 42. horizontal plate; 43. moving groove; 44. screw rod; 45. moving block; 46. guide column;

[0029] 50. Material defect identification mechanism; 51. Second fixing frame; 52. Positioning frame; 53. Lens positioning frame. DETAILED DESCRIPTION

[0030] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] 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.

[0032] See also Figure 1-Figure 5 In this embodiment, an improved spring coiling machine includes a spring coiling machine body 10 and a feeding mechanism 20;

[0033] The feeding mechanism 20 is provided with a tail material protection mechanism 40 and a material defect identification mechanism 50 in sequence on one side close to the spring coiling machine body 10;

[0034] The feeding mechanism 20 includes a base 22 and a material tray 21 rotatably mounted on the top of the base 22. In actual use, an existing motor for driving the material tray 21 to rotate can be arranged in the base 22. The top of the material tray 21 is slidably connected to four sets of guard plates 23. The top of the material tray 21 is connected to a screw rod 26, and a threaded sleeve 27 is threadedly connected to the screw rod 26. The outer side of the threaded sleeve 27 is rotatably sleeved with a fixing ring 28. The fixing ring 28 is rotatably connected to a connecting rod 29. The connecting rod 29 is rotatably connected to the guard plate 23 at one end away from the fixing ring 28. A limiting mechanism 30 for limiting the outer side and top side of the material roll placed on the material tray 21 is connected to the base 22.

[0035] The tail material protection mechanism 40 includes a first fixing frame 41 and two sets of transverse plates 42 installed on one side of the first fixing frame 41, two sets of guide posts 46 are arranged between the two sets of transverse plates 42, and an adjusting member for adjusting the distance between the two sets of guide posts 46 is installed on the transverse plate 42;

[0036] In this embodiment, the coil of spring material is placed on the material tray 21, and the threaded sleeve 27 can be rotated to drive the fixing ring 28 to adjust the height, so that the position of the guard plate 23 is adjusted by the connecting rod 29, and the four groups of guard plates 23 move synchronously, and the four groups of guard plates 23 cooperate to fix the inner ring of the coil, so that the material tray 21 can rotate to drive the coil to unload the material; the steel wire at the end of the coil can pass through the two groups of guide columns 46, and then pass through the material defect identification mechanism 50 to be sent to the spring winding machine body 10 to be rolled into a spring.

[0037] In another embodiment, the bottom of the guard plate 23 is fixedly connected to the slider 24, the top of the material tray 21 is provided with a slide groove 25 for the slider 24 to slide, the screw 26 is fixedly connected to the top of the material tray 21, and four groups of guard plates 23 are arranged in a circular array on the top of the material tray 21; when the guard plate 23 moves, the slider 24 moves in the slide groove 25, so that the guard plate 23 can move stably.

[0038] In another embodiment, the limiting mechanism 30 includes a support block 32 and a support frame 31 connected to the bottom of the support block 32, the support frame 31 is installed on the base 22, a lifting slot 33 is provided on the top of the support block 32, a spring telescopic rod 34 is installed in the lifting slot 33, the top of the spring telescopic rod 34 is connected to a limiting plate 35 by a positioning bolt 36, and the outer wall of the limiting plate 35 close to one end of the support block 32 is slidably matched with the inner wall of the lifting slot 33;

[0039] When the material tray 21 rotates, the support block 32 remains stationary. The support block 32 can limit the outside of the material roll and the top of the material roll to prevent the material roll from falling off the material tray 21. After the material roll is placed on the material tray 21, the limiting plate 35 can be installed.

[0040] In another embodiment, the spring telescopic rod 34 includes a sleeve and an extension rod slidably connected in the sleeve, the extension rod is provided with a threaded groove matched with the positioning bolt 36, and the bottom of the sleeve is fixedly connected to the bottom of the lifting slot 33;

[0041] According to the thickness of the material roll, the spring telescopic rod 34 can be extended or contracted under the action of the limiting plate 35. In actual use, the bottom of the limiting plate 35 may not contact the material roll, and it mainly plays a limiting role to prevent the material roll from falling out or the steel wire in the material roll from being too loose.

[0042] In another embodiment, the adjusting member includes a moving block 45, and the ends of each group of the guide columns 46 are rotatably connected to the moving block 45. The two groups of horizontal plates 42 are provided with a moving groove 43 for the moving block 45 to slide on one side. One group of the moving grooves 43 is rotatably connected to a screw rod 44. The screw rod 44 is provided with two groups of threaded areas with opposite thread rotation directions. The moving block 45 is provided with a screw hole that matches the threaded area. The first fixing frame 41 is installed with a motor for driving the screw rod 44 to rotate.

[0043] The motor can drive the screw rod 44 to rotate, thereby adjusting the positions of the two groups of moving blocks 45. The forward or reverse rotation of the screw rod 44 can adjust the connecting moving blocks 45 to move closer or farther away, thereby adjusting the distance between the two groups of guide columns 46. The adjustment is made according to the thickness of the steel wire so that the steel wire can pass smoothly without causing large shaking, which is beneficial to the steel wire input material defect identification mechanism 50 and the spring winding machine body 10.

[0044] In another embodiment, the material defect identification mechanism 50 includes a second fixing frame 51 and a positioning frame 52 installed on one side of the second fixing frame 51, and three groups of lens positioning frames 53 arranged in a circular array are installed in the positioning frame 52;

[0045] Existing lenses and sensors can be installed on the lens positioning frame 53, so that workers can see defect photos through the display at the operating position.

[0046] The working principle of the utility model is: the coil of spring material is placed on the material tray 21, and the threaded sleeve 27 can be rotated to drive the fixing ring 28 to adjust the height, so that the position of the guard plate 23 is adjusted through the connecting rod 29, and the four groups of guard plates 23 move synchronously, and the four groups of guard plates 23 cooperate to fix the inner circle of the material coil, so that the material tray 21 rotates to drive the material coil to unload; the steel wire at the end of the material coil can pass through the two groups of guide columns 46, and then pass through the material defect identification mechanism 50 to be sent to the spring coiling machine body 10 and rolled into a spring.

[0047] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An improved spring coiling machine, comprising a spring coiling machine body (10) and a feeding mechanism (20); Features: The feeding mechanism (20) is provided with a tail material protection mechanism (40) and a material defect identification mechanism (50) in sequence on one side close to the spring coiling machine body (10); The feeding mechanism (20) comprises a base (22) and a material tray (21) rotatably mounted on the top of the base (22); the top of the material tray (21) is slidably connected to four groups of guard plates (23); the top of the material tray (21) is connected to a screw rod (26); a threaded sleeve (27) is threadedly connected to the screw rod (26); the outer side of the threaded sleeve (27) is rotatably sleeved with a fixing ring (28); the fixing ring (28) is rotatably connected to a connecting rod (29); the connecting rod (29) is rotatably connected to the guard plate (23) at one end away from the fixing ring (28); and a limiting mechanism (30) is connected to the base (22) for limiting the outer side and top side of a material roll placed on the material tray (21); The tail material protection mechanism (40) comprises a first fixing frame (41) and two groups of transverse plates (42) mounted on one side of the first fixing frame (41), two groups of guide columns (46) are arranged between the two groups of transverse plates (42), and an adjusting member for adjusting the distance between the two groups of guide columns (46) is mounted on the transverse plate (42).

2. An improved spring coiling machine according to claim 1, characterized in that: The bottom of the guard plate (23) is fixedly connected to a slider (24), the top of the material tray (21) is provided with a slide groove (25) for the slider (24) to slide, the screw rod (26) is fixedly connected to the top of the material tray (21), and four groups of guard plates (23) are arranged in a circular array on the top of the material tray (21).

3. The improved spring coiling machine according to claim 1, characterized in that: The limiting mechanism (30) comprises a supporting block (32) and a supporting frame (31) connected to the bottom of the supporting block (32); the supporting frame (31) is mounted on a base (22); a lifting slot (33) is provided at the top of the supporting block (32); a spring telescopic rod (34) is installed in the lifting slot (33); the top of the spring telescopic rod (34) is connected to a limiting plate (35) via a positioning bolt (36); the outer wall of the limiting plate (35) close to one end of the supporting block (32) is slidably matched with the inner wall of the lifting slot (33).

4. An improved spring coiling machine according to claim 3, characterized in that: The spring telescopic rod (34) comprises a sleeve and an extension rod slidably connected in the sleeve, the extension rod is provided with a threaded groove matched with a positioning bolt (36), and the bottom of the sleeve is fixedly connected to the bottom of the lifting groove (33).

5. The improved spring coiling machine according to claim 1, characterized in that: The adjusting member comprises a moving block (45), the end of each group of the guide columns (46) is rotatably connected to the moving block (45), and a moving groove (43) for sliding the moving block (45) is provided on the adjacent side of the two groups of transverse plates (42), wherein a screw rod (44) is rotatably connected in one group of the moving grooves (43), and the screw rod (44) is provided with two groups of threaded areas with opposite thread rotation directions, and the moving block (45) is provided with a screw hole that matches the threaded area, and a motor for driving the screw rod (44) to rotate is installed in the first fixing frame (41).

6. The improved spring coiling machine according to claim 1, characterized in that: The material defect identification mechanism (50) comprises a second fixing frame (51) and a positioning frame (52) mounted on one side of the second fixing frame (51), wherein three groups of lens positioning frames (53) arranged in a circular array are mounted in the positioning frame (52).

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