C-shaped clamping ring forming device with flatness correction function

Abstract

The invention relates to the technical field of C-shaped clamping ring manufacturing, in particular to a C-shaped clamping ring forming device with a flatness correcting function. Comprising a spring forming device, the spring forming device comprises a steel wire guiding device, the steel wire guiding device comprises a feeding guide groove and a pair of spiral winding guide gauges, shaping guide grooves are formed in the spiral winding guide gauges, a steel wire material sequentially penetrates through the feeding guide groove and the pair of shaping guide grooves in the feeding process, and the shaping guide grooves are used for guiding the steel wire material to be in a spiral winding shape; the cutter device is used for cutting off a C-shaped material at the front part of the spirally wound steel wire material; the steel wire material passes through the material ejecting gauge after passing through the material cutting position of the cutter device, and the material ejecting gauge is used for supporting one side of the C-shaped material in the axial direction of spiral winding of the steel wire material; and the steel wire material passes through the limiting gauge after passing through the material jacking gauge, and the limiting gauge abuts against the radial outer side of the C-shaped material. And the flatness of the C-shaped clamping ring can be corrected before cutting.

Description

Technical Field

[0001] The invention relates to the technical field of C-shaped clamp ring manufacturing, and in particular to a C-shaped clamp ring forming device with a flatness correction function. Background Art

[0002] The C-shaped collar is an axial positioning piece mounted on the shaft body. There are two main methods for manufacturing the C-shaped collar: One is to put the round steel wire cut into equal lengths in a high-precision mold and bend the steel wire into a C-shaped retaining ring by stamping and bending. This method has high mold cost and low efficiency, and cannot achieve the fracture shape specified by the customer. In addition, as the mold wears, the product accuracy will decrease.

[0003] The second method is to use continuous bending to wind the steel wire into a spiral shape, and then cut it into a C-shaped circlip. This method also cannot obtain the fracture shape specified by the customer. For details, please refer to the C-shaped circlip manufacturing method disclosed in the Chinese invention patent application number 201210144461.7. Figure 1 As shown, due to the rise angle of the spiral line, the flatness of the cut C-shaped retaining spring is poor, and it needs to be leveled through subsequent heat setting, which leads to complicated processes and high manufacturing costs. Summary of the invention

[0004] In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a C-shaped clamping ring forming device with a flatness correction function, which can correct the flatness of the C-shaped clamping ring before cutting, thereby improving production efficiency.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions: A C-shaped collar forming device with a flatness correction function comprises: a spring forming device, the spring forming device comprising: A steel wire guiding device, the steel wire guiding device comprising a feeding guide groove and a pair of spiral winding guides, the spiral winding guides are provided with shaping guide grooves, the steel wire material passes through the feeding guide groove and the pair of shaping guide grooves in sequence during the feeding process, and the shaping guide grooves are used to guide the steel wire material into a spiral winding shape; A cutter device, the cutter device is used to cut off the C-shaped material at the front of the spirally wound steel wire material; It also includes a plane correction component, which is used to guide the front end of the C-shaped material to a position where it is cut off from the rear end of the C-shaped material and tends to close, and the plane correction component includes: A material push gauge, the steel wire material passes through the cutting position of the cutting knife device and then passes through the material push gauge, and the steel wire material collides with the material push gauge during the process of passing through the material push gauge. The material push gauge is used to support one side of the C-shaped material in the axial direction of the spiral winding of the steel wire material; The steel wire material passes through the limit gauge after passing through the top material gauge, and the limit gauge abuts against the radial outer side of the C-shaped material. The contact positions of the top material gauge and the limit gauge with the steel wire material are respectively located on the opposite sides of the C-shaped material.

[0006] Furthermore, in the present application, a C-shaped collar forming device with a flatness correction function, the spring forming device includes a vertical mounting plate, the feed guide groove, spiral winding guide gauge, cutter device, top material gauge and limit gauge are circumferentially arranged on the vertical end surface of the mounting plate; the cutting position of the C-shaped material is located at the upper end of the C-shaped material. As a preferred embodiment of the present application, the cut C-shaped material can fall downward out of the spring forming device for easy collection.

[0007] Furthermore, in the present application, a C-shaped clamp forming device with a flatness correction function, the ejector gauge includes a ejector rod and a first mounting seat, the first mounting seat is mounted on the mounting plate, the ejector rod is mounted on the first mounting seat, the ejector rod is axially extended toward the side of the C-shaped material, the front end side of the ejector rod is provided with a conical contact surface, the conical contact surface contacts the side of the C-shaped material near the mounting plate; the axial position of the ejector rod on the first mounting seat is adjustable. As a preferred embodiment of the present application, when the front end of the steel wire material passes through the conical contact surface, the front end first contacts the conical contact surface, and the conical contact surface is used to guide the front end of the steel wire material to slide toward the side of the ejector rod away from the mounting plate, so that the C-shaped material is supported by the conical contact surface, and the conical contact surface also applies a radial support force to the C-shaped material relative to the limit gauge. Due to the shape of the conical contact surface, the axially adjustable ejector rod can adjust the height of the C-shaped material supported for adaptive adjustment.

[0008] Furthermore, the present application provides a C-shaped clamping ring forming device with a flatness correction function, wherein the limit gauge includes a limit rod and a second mounting seat, the second mounting seat is mounted on a mounting plate, the limit rod is mounted on the second mounting seat, and the front end of the limit rod is against the outer side of the C-shaped material.

[0009] Furthermore, in the present application, a C-shaped collar forming device with a flatness correction function, the second mounting seat includes a fixed seat and an adjustment seat, the fixed seat is fixed to the mounting plate, the adjustment seat is rotatably mounted on the fixed seat, the adjustment seat can be rotatably adjusted and moved on the fixed seat, and during the rotation and adjustment of the adjustment seat, the front end position of the limit rod changes in the pitch direction of the spiral winding of the steel wire material, the limit rod is mounted on the adjustment seat, and the limit rod can be axially adjusted and moved on the adjustment seat. As a preferred embodiment of the present application, the adjustment seat is rotated and adjusted, and the position of the limit rod on the adjustment seat is axially adjusted to adjust the height of the front end of the limit rod to improve adaptability.

[0010] Furthermore, in the present application, a C-shaped collar forming device with a flatness correction function, the limit rod can be adjusted by circumferential rotation on the second mounting seat, and a limit groove is provided at the front end of the limit rod. The steel wire material contacts the limit groove during the feeding process, and the limit groove is provided with an introduction groove at the feeding end of the steel wire material. As a preferred embodiment of the present application, the limit rod is adjusted by circumferential rotation, and the extension direction of the steel wire material passing through the limit groove in the pitch direction of the spiral winding can be changed through the limit groove, so that the C-shaped material can be further corrected. The introduction groove is used to guide the front end of the steel wire material into the limit groove.

[0011] Furthermore, in the present application, a C-shaped clamp forming device with a flatness correction function, the flatness correction component also includes a pressure plate device, the pressure plate device includes a pressure plate and a guide column, the pressure plate sliding sleeve is arranged on the guide column, the extension direction of the guide column is adapted to the thickness direction of the C-shaped material, the pressure plate is provided with a pressing plane corresponding to the C-shaped material, the pressure plate is abutted with a compression spring at one end away from the pressing plane until the pressing plane elastically abuts against the side of the C-shaped material away from the mounting plate, and a relief notch is provided on the pressure plate corresponding to the position of the cutting device and the limit gauge, and a circumferential positioning structure is provided between the pressure plate and the guide column. As a preferred embodiment of the present application, a pressure plate device is provided, and the pressure plate elastically abuts against the side of the C-shaped material away from the mounting plate to help further calibrate the flatness of the C-shaped material. When the C-shaped material is cut off, after the C-shaped material falls out, the distance between the pressure plate and the push rod is smaller than the diameter of the steel wire material, and the front end of the steel wire material pushes up the pressure plate during the continuous feeding process. Therefore, due to the action of the compression spring, the pressure plate elastically fits on the C-shaped material. The circumferential positioning structure is used to ensure that the pressure plate will not rotate around the guide column during sliding.

[0012] Furthermore, in the present application, a C-shaped collar forming device with a flatness correction function is provided, wherein a heating plate is provided on the pressure plate, and the pressing plane is provided on the heating plate. As a preferred embodiment of the present application, heating the C-shaped material by the heating plate is helpful for shaping the C-shaped material.

[0013] Furthermore, in the present application, a C-shaped collar forming device with a flatness correction function, the pressure plate device also includes a third mounting seat, the third mounting seat includes a connecting seat connected to the mounting plate and an adjustment frame arranged on the connecting seat, the adjustment frame can be rotatably adjusted on the connecting seat, and a sleeve hole is provided at one end of the adjustment frame away from the connecting seat, the guide column is installed in the sleeve hole, and the guide column can be axially slidably adjusted in the sleeve hole. As a preferred solution of the present application, based on the above-mentioned device, the connecting seat and the adjustment frame form a pair of rotatably adjustable connecting rods, and the guide column and the adjustment frame form a slidingly adjustable connection, which is used to adjust the posture and position of the pressure plate to adapt to the C-shaped material.

[0014] It can be seen from the above technical solution that the present invention has the following beneficial effects: The present invention provides a C-shaped clamp forming device with a flatness correction function, and the method of using the device is as follows: after the steel wire material passes through the cutting position for the first time, it passes through the top material gauge and the limit gauge in sequence until the steel wire material passing through the cutting position corresponds to the C-shaped material, and the cutting device cuts off the C-shaped material. Due to the joint action of the top material gauge and the shaping guide groove on the side near the top material gauge, the front end of the C-shaped material is offset as a whole toward the rear end of the C-shaped material (i.e., the cutting position of the cutting device); the role of the limit gauge is to correct the shape of the C-shaped material on the opposite side of the top material gauge to ensure that the front end of the C-shaped material faces the rear end. Therefore, a C-shaped clamp forming device with a flatness correction function in the present application can correct the flatness of the C-shaped clamp before cutting, which improves production efficiency while ensuring the quality of the C-shaped clamp and saves manufacturing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a C-shaped clamp produced by an existing spring machine; Figure 2 This is a plan view of a C-shaped collar forming device with a flatness correction function in Example 1 of the present application; Figure 3 This is a three-dimensional schematic diagram of a C-shaped collar forming device with a flatness correction function in Example 1 of the present application; Figure 4 A schematic diagram of a C-shaped clamping ring produced by a C-shaped clamping ring forming device with a flatness correction function in an embodiment of the present application; Figure 5 This is a plan view of a C-shaped collar forming device with a flatness correction function in the second embodiment of the present application; Figure 6 This is a three-dimensional schematic diagram of a C-shaped collar forming device with a flatness correction function in Embodiment 2 of the present application; Figure 7 This is a schematic diagram of the structure of the pressure plate device in the second embodiment of the present application.

[0016] In the figure: 1-mounting plate; 11-feed guide groove; 2- spiral winding guide; 21- shaping guide groove; 31-punch; 32-fixed knife; 4- ejector gauge; 41- ejector rod; 411- conical contact surface; 42- first mounting seat; 421- locking screw; 422- adjusting screw; 5-limit gauge; 51-limit rod; 512-limit groove; 513-introduction groove; 52-second mounting seat; 521-fixing seat; 5211-arc slide groove; 522-adjusting seat; 5221-limit sliding rod; 5222-fastening screw; 5223-mounting groove; 6-C-shaped material; 7-pressing plate device; 71-pressing plate; 711-pressing plane; 712-heating plate; 72-guide column; 721-limiting convex; 73-compression spring; 74-third mounting seat; 741-connecting seat; 742-adjusting frame; 7421-sleeve hole; DETAILED DESCRIPTION

[0017] Example 1 Combination Figures 2 to 4 As shown, this embodiment provides a C-shaped collar forming device with a flatness correction function, including: a spring forming device, the spring forming device includes: The steel wire guiding device comprises a feed guide groove 11 and a pair of spiral winding guides 2. A shaping guide groove 21 is provided at the end of the spiral winding guide 2. The steel wire material passes through the feed guide groove 11 and the pair of shaping guide grooves 21 in sequence during the feeding process. The shaping guide groove 21 is used to guide the steel wire material to Figure 1 The spiral winding shape shown; A cutter device, the cutter device is used to cut off the C-shaped material 6 at the front of the spirally wound steel wire material; Also included are plane correction components, such as Figure 3 and Figure 4 The plane correction assembly shown is used to guide the front end of the C-shaped material 6 to the cutting position toward the rear end of the C-shaped material 6 and tend to close, and includes: The steel wire material passes through the cutting position of the cutting knife device and then passes through the steel wire material gauge 4. The steel wire material collides with the steel wire material gauge 4 during the process of passing through the steel wire material gauge 4. The steel wire material gauge 4 is used to support one side of the C-shaped material 6 in the axial direction of the spiral winding of the steel wire material; The limit gauge 5 is a gauge that contacts the radial outer side of the C-shaped material 6 after the steel wire passes through the top material gauge 4 and the limit gauge 5. The contact positions of the top material gauge 4 and the limit gauge 5 with the steel wire are respectively located on the opposite sides of the C-shaped material 6.

[0018] Based on the above structure, a C-shaped clamp forming device with a flatness correction function is used as follows: after the steel wire material passes through the cutting position for the first time, it passes through the top gauge 4 and the limit gauge 5 in sequence until the steel wire material passing through the cutting position corresponds to the C-shaped material 6, and the cutting device cuts off the C-shaped material 6. Due to the combined effect of the top gauge 4 and the shaping guide groove 21 on the side near the top gauge 4, the front end of the C-shaped material 6 is offset as a whole toward the rear end of the C-shaped material 6 (i.e., the cutting position of the cutting device); the role of the limit gauge 5 is to correct the shape of the C-shaped material 6 on the opposite side of the top gauge 4 to ensure that the front end of the C-shaped material 6 faces the rear end. Therefore, a C-shaped clamp forming device with a flatness correction function in the present application can correct the flatness of the C-shaped clamp before cutting, thereby improving production efficiency and saving manufacturing costs while ensuring the quality of the C-shaped clamp. In this embodiment, the cutting device includes a punch 31 and a fixed knife 32 driven linearly by a driving cylinder, and the punch 31 and the fixed knife 32 are respectively located at the radial outer side and the inner side of the cutting position corresponding to the C-shaped material 6. The punch 31 moves until the punch 31 and the fixed knife 32 shear each other to cut the steel wire material.

[0019] like Figure 2 As shown, in this embodiment, the spring forming device includes a vertical mounting plate 1, a feed guide groove 11, a spiral winding guide gauge 2, a cutter device, a material push gauge 4 and a limit gauge 5 are circumferentially arranged on the vertical end surface of the mounting plate 1; the cutting position of the C-shaped material 6 is located at the upper end of the C-shaped material 6. The cut C-shaped material 6 can fall downward out of the spring forming device for easy collection.

[0020] In this embodiment, the material push gauge 4 includes a push rod 41 and a first mounting seat 42. The first mounting seat 42 is mounted on the mounting plate 1. The push rod 41 is mounted on the first mounting seat 42. The push rod 41 is axially extended toward the side of the C-shaped material 6. The front end side of the push rod 41 is provided with a conical contact surface 411. The conical contact surface 411 contacts the side of the C-shaped material 6 near the mounting plate 1. The axial position of the push rod 41 on the first mounting seat 42 is adjustable. When the front end of the steel wire material passes through the conical contact surface 411, the front end first contacts the conical contact surface 411. The conical contact surface 411 is used to guide the front end of the steel wire material to slide toward the side of the push rod 41 away from the mounting plate 1, so that the C-shaped material 6 is supported by the conical contact surface 411. The conical contact surface 411 also applies a radial support force to the C-shaped material 6 relative to the limit gauge 5. Due to the shape of the conical contact surface 411, the axially adjustable push rod 41 can adjust the height of the C-shaped material 6 to make adaptive adjustments. Specifically, the first mounting seat 42 is provided with a through groove adapted to the push rod 41, and the push rod 41 is slidably installed in the through groove. The first mounting seat 42 is provided with a locking screw 421, and the front end of the locking screw 421 penetrates the through groove and contacts the side wall of the push rod 41 to lock the push rod 41. It also includes an adjusting screw 422, which is threadedly connected to the first mounting seat 42, and the front end of the adjusting screw 422 contacts the axial rear end of the push rod 41. The adjusting screw 422 is screwed to fine-tune the push rod 41 axially.

[0021] like Figure 2 and Figure 3 As shown, in this embodiment, the limit gauge 5 includes a limit rod 51 and a second mounting seat 52, the second mounting seat 52 is mounted on the mounting plate 1, the limit rod 51 is mounted on the second mounting seat 52, and the front end of the limit rod 51 abuts against the outer side of the C-shaped material 6. Specifically, the second mounting seat 52 is installed between a pair of spirally wound guide gauges 2.

[0022] Further, such as Figure 2 and Figure 3As shown, in this embodiment, the second mounting seat 52 includes a fixed seat 521 and an adjustment seat 522. The fixed seat 521 is fixed on the mounting plate 1, and the adjustment seat 522 is rotatably mounted on the fixed seat 521. The adjustment seat 522 can be rotated and adjusted on the fixed seat 521. During the rotation and adjustment of the adjustment seat 522, the front end position of the limit rod 51 changes in the pitch direction of the spiral winding of the steel wire material. The limit rod 51 is mounted on the adjustment seat 522, and the limit rod 51 can be axially adjusted on the adjustment seat 522. The adjustment seat 522 is rotated and adjusted, and the position of the limit rod 51 on the adjustment seat 522 is axially adjusted to adjust the height of the front end of the limit rod 51 and improve adaptability. Specifically, the rotation axis of the adjustment seat 522 is parallel to the vertical plane. The fixed seat 521 is provided with an arc-shaped slot 5211 corresponding to the rotation track of the adjustment seat 522, and the adjustment seat 522 is provided with a limit sliding rod 5221 which is provided in the arc-shaped slot 5211, and the limit sliding rod 5221 is connected with a locking nut, and the locking nut and the adjustment seat 522 are respectively arranged on both sides of the arc-shaped slot 5211, and the locking nut is screwed until it clamps the fixed seat 521 with the adjustment seat 522 to achieve the locking of the position of the adjustment seat 522. The limit rod 51 is slidably connected to the adjustment seat 522, and the adjustment seat 522 is connected with a fastening screw 5222, and the front end of the fastening screw 5222 is tightly against the limit rod 51 to achieve the axial locking of the limit rod 51.

[0023] In this embodiment, the limit rod 51 can be circumferentially rotated and adjusted on the second mounting seat 52. A limit groove 512 is provided at the front end of the limit rod 51. The steel wire material is pressed against the limit groove 512 during the feeding process. The limit groove 512 is provided with an introduction groove 513 corresponding to the feeding end of the steel wire material.

[0024] The limit rod 51 is adjusted by rotating in the circumferential direction. The extension direction of the steel wire material passing through the limit groove 512 in the pitch direction of the spiral winding can be changed through the limit groove 512, and the C-shaped material 6 can be further corrected. The introduction groove 513 is used to guide the front end of the steel wire material into the limit groove 512. Specifically, a cylindrical mounting groove 5223 is provided on the adjustment seat 522, and a mounting section adapted to the mounting groove 5223 is provided on the limit rod 51. The mounting section is placed in the mounting groove 5223, and the front end of the fastening screw 5222 radially penetrates into the mounting groove 5223 and contacts the side wall of the mounting section to achieve circumferential and axial locking of the limit rod 51. Example 2 Based on Example 1, Figure 5 and Figure 7As shown, in this embodiment, the plane correction assembly also includes a pressure plate device 7, which includes a pressure plate 71 and a guide column 72. The pressure plate 71 is slidably sleeved on the guide column 72. The extension direction of the guide column 72 is adapted to the thickness direction of the C-shaped material 6. The pressure plate 71 is provided with a pressing plane 711 corresponding to the C-shaped material 6. The end of the pressure plate 71 away from the pressing plane 711 is in contact with a compression spring 73 until the pressing plane 711 elastically contacts the side of the C-shaped material 6 away from the mounting plate 1. The pressure plate 71 is provided with an avoidance notch at the position corresponding to the cutting device and the limit gauge 5. A circumferential positioning structure is provided between the pressure plate 71 and the guide column 72. The pressure plate device 7 is provided, and the pressure plate 71 elastically contacts the side of the C-shaped material 6 away from the mounting plate 1 to help further calibrate the flatness of the C-shaped material 6. When the C-shaped material 6 is cut off and the C-shaped material 6 falls out, the distance between the pressure plate 71 and the push rod 41 is smaller than the diameter of the steel wire. In one embodiment, a limiting protrusion 721 is provided at the front end of the guide column 72. The limiting protrusion 721 is used to prevent the pressure plate 71 from moving too far toward the side of the mounting plate 1. Of course, the pressure plate 71 can also contact the push rod 41 to achieve limiting. During the continuous feeding of the steel wire, the front end pushes up the pressure plate 71. Therefore, due to the action of the compression spring 73, the pressure plate 71 elastically fits on the C-shaped material 6. The circumferential positioning structure is used to ensure that the pressure plate 71 will not rotate around the guide column 72 during the sliding process. Specifically, the circumferential positioning structure includes a positioning pin installed on the side wall of the guide column 72, and an axially extending slide groove on the pressure plate 71 that cooperates with the positioning pin.

[0025] Combination Figure 7 As shown, in this embodiment, a heating plate 712 is provided on the pressing plate 71, and the pressing plane 711 is provided on the heating plate 712. The heating plate 712 heats the C-shaped material 6, which helps to shape the C-shaped material 6. In this embodiment, the heating plate 712 is annular as a whole and is connected to the end surface of the pressing plate 71 by screws.

[0026] Combination Figure 6 and Figure 7As shown, in this embodiment, the pressure plate device 7 also includes a third mounting seat 74, the third mounting seat 74 includes a connecting seat 741 connected to the mounting plate 1 and an adjusting frame 742 arranged on the connecting seat 741, the adjusting frame 742 can be rotated and adjusted on the connecting seat 741, and the adjusting frame 742 is provided with a sleeve hole 7421 at one end away from the connecting seat 741, and the guide column 72 is installed in the sleeve hole 7421, and the guide column 72 can be axially slid and adjusted in the sleeve hole 7421. Based on the above device, the connecting seat 741 and the adjusting frame 742 form a pair of rotatable and adjustable connecting rods. The specific rotation adjustment structure can refer to the structure between the fixed seat 521 and the adjusting seat 522. The guide column 72 and the adjusting frame 742 form a sliding adjustment connection for adjusting the posture and position of the pressure plate 71 to adapt to the C-shaped material 6. The specific sliding adjustment structure is consistent with the sliding adjustment structure between the limit rod 51 and the adjusting seat 522, and will not be repeated. In the present embodiment, the circumferential freedom of the guide post 72 is locked, and its implementation method can be to use a prismatic guide post and a sleeve hole adapted to the cross-section of the guide post. In the present embodiment, the guide post 72 is cylindrical as a whole, and an axially extending flat groove is provided at the connection position between the guide post 72 and the sleeve hole 7421. The screw for axially locking the guide post abuts against the flat groove surface, and the guide post 72 can be moved axially by slightly loosening the screw. During the process of moving the guide post 72, the guide post 72 cannot rotate circumferentially.

[0027] In other embodiments, a rotating adjustment link may be further provided between the connecting seat 741 and the adjusting frame 742 to be rotatably connected to the connecting seat 741 and the adjusting frame 742 respectively, and a pair of rotating axes are perpendicular to each other to enhance the adjustable freedom of the position and posture of the pressure plate 71.

[0028] The technical principles of the present invention are described above in conjunction with specific embodiments. These descriptions are only for explaining the principles of the present invention and cannot be interpreted as limiting the scope of protection of the present invention in any way. Based on the explanations herein, those skilled in the art can associate other specific implementations of the present invention without creative work, and these methods will fall within the scope of protection of the present invention.

Claims

1. A C-shaped collar forming device with a flatness correction function, comprising: A spring forming device, the spring forming device comprising: A steel wire guiding device, the steel wire guiding device comprising a feeding guide groove (11) and a pair of spiral winding guides (2), the spiral winding guides (2) being provided with a shaping guide groove (21), the steel wire material passing through the feeding guide groove (11) and the pair of shaping guide grooves (21) in sequence during the feeding process, the shaping guide grooves (21) being used to guide the steel wire material into a spiral winding shape; A cutting device, the cutting device being used to cut off a C-shaped material (6) at the front of the spirally wound steel wire material; The invention is characterized in that it also includes a plane correction component, the plane correction component is used to guide the front end of the C-shaped material (6) to a position where it is cut off from the rear end of the C-shaped material (6) and tends to be closed, and the plane correction component includes: A material push gauge (4), wherein the steel wire material passes through the cutting position of the cutting knife device and then passes through the material push gauge (4), and the steel wire material collides with the material push gauge (4) during the process of passing through the material push gauge (4), and the material push gauge (4) is used to support one side of the C-shaped material (6) in the axial direction of the spiral winding of the steel wire material; The steel wire material passes through the stop gauge (5) after passing through the push gauge (4), and the stop gauge (5) contacts the radial outer side of the C-shaped material (6). The contact positions of the push gauge (4) and the stop gauge (5) with the steel wire material are respectively located on two opposite sides of the C-shaped material (6).

2. A C-shaped collar forming device with flatness correction function according to claim 1, characterized in that: The spring forming device comprises a vertical mounting plate (1), wherein the feed guide groove (11), the spiral winding guide gauge (2), the cutter device, the feed push gauge (4) and the limit gauge (5) are circumferentially arranged on the vertical end surface of the mounting plate (1); The cutting position of the C-shaped material (6) is located at the upper end of the C-shaped material (6).

3. The C-shaped collar forming device with flatness correction function according to claim 2, characterized in that: The ejector gauge (4) comprises an ejector rod (41) and a first mounting seat (42), wherein the first mounting seat (42) is mounted on the mounting plate (1), and the ejector rod (41) is mounted on the first mounting seat (42), wherein the ejector rod (41) is axially extended toward the side of the C-shaped material (6), and a conical contact surface (411) is provided on the front end side of the ejector rod (41), wherein the conical contact surface (411) contacts the side of the C-shaped material (6) near the mounting plate (1); and the axial position of the ejector rod (41) on the first mounting seat (42) is adjustable.

4. The C-shaped collar forming device with flatness correction function according to claim 2, characterized in that: The limit gauge (5) comprises a limit rod (51) and a second mounting seat (52), the second mounting seat (52) being mounted on the mounting plate (1), the limit rod (51) being mounted on the second mounting seat (52), and the front end of the limit rod (51) being in contact with the outer side of the C-shaped material (6).

5. The C-shaped collar forming device with flatness correction function according to claim 4, characterized in that: The second mounting seat (52) comprises a fixed seat (521) and an adjusting seat (522); the fixed seat (521) is fixed on the mounting plate (1); the adjusting seat (522) is rotatably mounted on the fixed seat (521); the adjusting seat (522) is rotatably adjustable on the fixed seat (521); during the rotational adjustment of the adjusting seat (522), the front end position of the limit rod (51) changes in the pitch direction of the spiral winding of the steel wire material; the limit rod (51) is mounted on the adjusting seat (522); the limit rod (51) is axially adjustable on the adjusting seat (522).

6. A C-shaped collar forming device with flatness correction function according to claim 5, characterized in that: The limiting rod (51) can be circumferentially rotated and adjusted on the second mounting seat (52); a limiting groove (512) is provided at the front end of the limiting rod (51); the steel wire material abuts against the limiting groove (512) during the feeding process; and an introduction groove (513) is provided at the limiting groove (512) corresponding to the feeding end of the steel wire material.

7. The C-shaped collar forming device with flatness correction function according to claim 2, characterized in that: The plane correction assembly also includes a pressure plate device (7), the pressure plate device (7) includes a pressure plate (71) and a guide column (72), the pressure plate (71) is slidably sleeved on the guide column (72), the extension direction of the guide column (72) is adapted to the thickness direction of the C-shaped material (6), a pressing plane (711) corresponding to the C-shaped material (6) is provided on the pressure plate (71), one end of the pressure plate (71) away from the pressing plane (711) is in contact with a compression spring (73) until the pressing plane (711) elastically contacts the side of the C-shaped material (6) away from the mounting plate (1), an avoidance notch is provided on the pressure plate (71) at a position corresponding to the cutting device and the limit gauge (5), and a circumferential positioning structure is provided between the pressure plate (71) and the guide column (72).

8. The C-shaped collar forming device with flatness correction function according to claim 7, characterized in that: A heating plate (712) is provided on the pressing plate (71), and the pressing plane (711) is arranged on the heating plate (712).

9. The C-shaped collar forming device with flatness correction function according to claim 7, characterized in that: The pressure plate device (7) further comprises a third mounting seat (74), the third mounting seat (74) comprising a connecting seat (741) connected to the mounting plate (1) and an adjusting frame (742) arranged on the connecting seat (741), the adjusting frame (742) being rotatably adjustable on the connecting seat (741), a sleeve hole (7421) being provided at one end of the adjusting frame (742) away from the connecting seat (741), the guide column (72) being installed in the sleeve hole (7421), and the guide column (72) being axially slidable adjustable in the sleeve hole (7421).

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