Corner folding mechanism of spring forming machine

Abstract

The utility model discloses an angle folding mechanism of a spring forming machine, which comprises a rack, a wire discharging core shaft is arranged on the rack, a plurality of groups of hooking mechanisms are arranged around the wire discharging core shaft, each hooking mechanism comprises a base and a sliding seat, the sliding seat is slidably mounted on the base through a sliding chute, and the sliding chute is arranged on the base. A mounting seat is arranged on the sliding seat of at least one group of hook assembly, an angle folding frame is arranged on the mounting seat and can be arranged on the mounting seat in a swinging manner through a rotating shaft, the axial direction of the rotating shaft is perpendicular to the axial direction of the wire discharging core shaft, and an angle folding piece is arranged at one end, close to the wire discharging core shaft, of the angle folding frame; an elastic piece for enabling the angle folding piece to be close to the wire discharging core shaft is arranged on the angle folding frame, and a first driving mechanism for enabling the angle folding piece to be far away from the wire discharging core shaft is further arranged on the rack; the first driving mechanism and the elastic piece are used for forming the folded angle at a time, it is guaranteed that the multi-time bending direction consistency is high, the speed is high, and the problem that the spring forming quality is poor is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of spring forming equipment, in particular to a folding mechanism of a spring forming machine. Background Art

[0002] Springs are widely used in various industries and are an almost indispensable component. When subjected to external forces, they elastically deform, storing strain and releasing it randomly. Due to this wide range of applications, spring shapes also have different requirements. Some special-purpose springs require a folded structure, necessitating the installation of a folding mechanism in the spring forming machine.

[0003] Existing spring forming machines generally use tools to directly push and bend the spring wire spitted out by the wire-spitting core shaft when forming the angle structure. When using this method, the bending direction consistency is poor when multiple bending is performed, resulting in poor stability of the spring forming quality. Utility Model Content

[0004] The utility model aims to solve the defects in the prior art and provides a folding mechanism for a spring forming machine, which can ensure high directional consistency and high bending speed during multiple bending, thereby solving the problem of poor spring forming quality.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A folding mechanism of a spring forming machine includes a frame, a wire-spinning core shaft is provided on the frame, and a plurality of hooking mechanisms are provided around the wire-spinning core shaft, each of the hooking mechanisms includes a base and a sliding seat, the base is installed on the frame, a slide groove is provided on the base, the sliding seat can be slidably installed on the base through the slide groove, at least one group of sliding seats of the hook assembly is provided with a mounting seat, a folding frame is provided on the mounting seat, and the folding frame is swingably provided on the mounting seat through a rotating shaft, and the axial direction of the rotating shaft is aligned with the wire-spinning core shaft The folding frame is perpendicular to the axial direction of the wire spouting core shaft, and a folding piece is provided at one end of the folding frame close to the wire spouting core shaft, and an elastic piece is provided on the folding frame to make the folding piece close to the wire spouting core shaft, and a first driving mechanism is also provided on the frame to make the folding piece away from the wire spouting core shaft; by arranging the folding frame and the folding piece on the sliding seat of the hook assembly, the folding frame is provided with an elastic piece to make the folding piece close to the wire spouting core shaft, and the first driving mechanism and the elastic piece are used to form the folding angle in one time, thereby ensuring that the direction consistency of multiple bending is high and the speed is fast, thereby solving the problem of poor spring forming quality.

[0007] As a preferred solution, the mounting seat includes a fixing portion and a mounting portion, the mounting portion is protruding from the upper surface of the fixing portion, the rotating shaft is arranged on the mounting portion, and the folding frame is provided with a first mounting hole corresponding to the rotating shaft, and the folding frame is swungly mounted on the mounting portion by embedding the rotating shaft into the first mounting hole.

[0008] As a preferred solution, the mounting portion is provided with a fixing groove corresponding to the sliding seat on the side facing the sliding seat, the mounting seat is provided with a through hole passing through the fixing portion and the mounting portion, and the sliding seat is provided with a second mounting hole corresponding to the through hole. During assembly, the fixing groove is buckled onto the sliding seat, and the mounting seat is screwed onto the sliding seat by screws or bolts passing through the through hole and the second mounting hole.

[0009] As a preferred solution, the corner frame is provided with a mounting groove corresponding to the mounting portion, and during assembly, the mounting portion is located in the mounting groove.

[0010] As a preferred solution, the shape of the corner frame is triangular.

[0011] As a preferred solution, the elastic member is a tension spring.

[0012] As a preferred solution, a fixing rod is further provided on the sliding seat, one end of the elastic member is fixed to the fixing rod, and the other end is fixed to the end of the folding frame away from the wire-spinning core shaft.

[0013] As a preferred solution, the first driving component is a motor, the frame is further provided with a motor mounting seat for mounting the motor, and the output end of the motor is provided with a cam that presses the folding frame to move the folding piece away from the wire-spinning core shaft.

[0014] As a preferred solution, a folding wheel corresponding to the cam is provided at one end of the folding frame away from the thread-spitting core shaft.

[0015] As a preferred solution, the folding member is a folding rod, a clearance groove is provided on one side of the folding rod, a folding portion is provided at one end of the folding groove away from the folding wheel, and an arc surface is provided on the folding portion.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, a folding frame and a folding piece are arranged on the sliding seat of the hook assembly, and an elastic piece is provided on the folding frame to make the folding piece close to the wire-spinning core shaft. The second driving mechanism and the elastic piece are used to form the folding angle in one step, ensuring that the directions of multiple bendings are highly consistent and the speed is fast, thereby improving the production efficiency of the spring and ensuring the high forming quality of the spring.

[0017] In order to more clearly illustrate the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the assembly structure of an embodiment of the present utility model;

[0019] Figure 2 yes Figure 1 Schematic diagram of the structure at A in the middle;

[0020] Figure 3 It is a schematic diagram of the exploded structure of the sliding seat, the folding frame and the second driving mechanism of an embodiment of the utility model.

[0021] Description of the accompanying drawings:

[0022] 10-frame; 11-thread-spinning mandrel;

[0023] 20-mounting seat; 201-fixing part; 202-mounting part; 203-rotating shaft; 204-through hole; 205-mounting slot; 21-angle frame; 211-fixing slot; 212-first mounting hole; 22-angle wheel; 23-angle rod; 231-yield slot; 232-angle part; 233-arc surface; 24-motor mounting seat; 25-motor; 26-cam; 30-second driving mechanism; 31-base; 32-slide groove; 33-sliding seat; 34-second mounting hole; 35-fixing rod; 36-tension spring. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0026] like Figure 1-3As shown, the utility model discloses a folding mechanism of a spring forming machine, including a frame 10, a wire-spinning mandrel 11 is provided on the frame 10, and a plurality of hooking mechanisms are provided around the wire-spinning mandrel 11, each of the hooking mechanisms includes a base 31 and a sliding seat 33, the base 31 is mounted on the frame 10, a slide groove 32 is provided on the base 31, and the sliding seat 33 is slidably mounted on the base 31 through the slide groove 32, and a mounting seat 20 is provided on the sliding seat 33 of at least one group of hook assemblies, and a folding frame 21 is provided on the mounting seat 20, and the folding frame 21 is swingably set on the mounting seat 20 through a rotating shaft 203, The axial direction of the rotating shaft 203 is perpendicular to that of the wire-spinning mandrel 11. The end of the folding frame 21 closest to the wire-spinning mandrel 11 is equipped with a folding member. The folding frame 21 is equipped with an elastic member that forces the folding member toward the wire-spinning mandrel 11. The frame 10 is also equipped with a first drive mechanism that forces the folding member away from the wire-spinning mandrel 11. By arranging the folding frame 21 and the folding member on the sliding seat 33 of the hook assembly, and by arranging the folding frame 21 with an elastic member that forces the folding member toward the wire-spinning mandrel 11, the first drive mechanism and the elastic member enable the folding member to be formed in one step, ensuring high directional consistency and high speed during multiple bends, thus resolving the issue of poor spring forming quality.

[0027] In the present invention, the hook assembly also includes a second driving mechanism that drives the sliding seat 33 to move. The second driving mechanism also includes a driving motor, an eccentric shaft, a triangular swing arm, a linkage shaft, etc. The eccentric shaft is arranged at the output end of the driving motor and is rotatably connected to one end of the triangular swing arm. The middle part of the triangular swing arm is rotatably arranged on the frame 10, and the other end of the triangular swing arm is rotatably connected to the sliding seat 33 through the linkage shaft. This structure can drive the sliding seat 331 to reciprocate. The second driving mechanism can adopt the existing technology and will not be repeated here.

[0028] In the present invention, the rest of the sliding seat 33 is also provided with tools, which are knives, push rods, reels, etc. in the prior art. These tools can cut, wind, etc. the wire spitted out from the wire-spitting core shaft 11, and these tools can use the existing technology and will not be repeated here.

[0029] The mounting seat 20 includes a fixing portion 201 and a mounting portion 202, the mounting portion 202 is convexly arranged on the upper surface of the fixing portion 201, the rotating shaft 203 is arranged on the mounting portion 202, the folding frame 21 is provided with a first mounting hole 212 corresponding to the rotating shaft 203, and the folding frame 21 is embedded in the first mounting hole 212 through the rotating shaft 203 and can be swingably mounted on the mounting portion 202; the mounting portion 202 is provided with a fixing groove 211 corresponding to the sliding seat 33 on the side facing the sliding seat 33, the mounting seat 20 is provided with a through hole 204 that passes through the fixing portion 201 and the mounting portion 202, and the sliding seat 33 is provided with a through hole 204 that passes through the fixing portion 201 and the mounting portion 202, and the sliding seat 33 is provided with a through hole 204 that passes through the fixing portion 201 and the mounting portion 202. The second mounting hole 34 of the through hole 204 is connected to the sliding seat 33 during assembly, and the mounting seat 20 is screwed and installed on the sliding seat 33 by screws or bolts passing through the through hole 204 and the second mounting hole 34; the corner frame 21 is provided with a mounting groove 205 corresponding to the mounting portion 202, and during assembly, the mounting portion 202 is located in the mounting groove 205; by setting the mounting groove 205 and the through hole 204, the mounting seat 20 can be stably fixed on the sliding seat 33, and the fixing groove 211 corresponding to the mounting portion 202 is opened, so that the mounting portion 202 is located in the fixing groove 211, thereby achieving stable swinging of the corner frame 21.

[0030] It should be understood that the second mounting holes 34 are arranged at intervals along the moving direction of the sliding seat 33, which facilitates setting the mounting seat 20 at different positions on the sliding seat 33, thereby adjusting the distance between the angle rod 23 and the wire-spinning core shaft 11 to meet the forming requirements of springs of different specifications.

[0031] The folding frame 21 is in a triangular shape. By setting the folding frame 21 in a triangular shape, the folding frame 21 can be easily swung stably.

[0032] The elastic member is a tension spring 36; a fixing rod 35 is also provided on the sliding seat 33, one end of the elastic member is fixed on the fixing rod 35, and the other end is fixed to the end of the folding frame 21 away from the wire-spinning mandrel 11; the first driving component is a motor 25, and a motor mounting seat 24 for mounting the motor 25 is also provided on the frame 10, and a cam 26 is provided at the output end of the motor 25 to press the folding frame 21 to make the folding member move away from the wire-spinning mandrel 11; a folding wheel 22 corresponding to the cam 26 is provided at the end of the folding frame 21 away from the wire-spinning mandrel 11; the folding member is a folding member. Rod 23, one side of the folding rod 23 is provided with a give way groove 231, and the end of the give way groove 231 away from the folding wheel 22 is provided with a folding portion 232, and the folding portion 232 is provided with an arc surface 233; by arranging an elastic member, the end of the folding frame 21 away from the wire-spinning mandrel 11 is lifted, and when the folding rod 23 approaches the wire-spinning mandrel 11, the motor 25 drives the cam 26 to press down the end of the folding frame 21 away from the wire-spinning mandrel 11, so that the folding rod 23 is lifted up to form an angle on the spring, thereby achieving multiple folding directions in a consistent manner; by arranging the arc surface 233, damage to the spring wire can be avoided.

[0033] The method of using the present invention is as follows: the sliding seat 33 is driven by the second driving mechanism 30 to approach or move away from the wire-spinning core shaft 11. When it approaches the wire-spinning core shaft 11, the sliding seat 33 drives the folding frame 21, so that the folding rod 23 is located at the wire-spinning outlet of the wire-spinning core shaft 11. The motor 25 drives the cam 26 to press the folding wheel 22, and the folding rod 23 is lifted up. The folding structure is formed on the spring through the action of the folding portion 232. The motor 25 drives the cam 26 to return to its position. The second driving mechanism 30 drives the sliding seat 33 away from the wire-spinning core shaft 11 to complete one folding.

[0034] The utility model arranges a folding frame 21 and a folding piece on the sliding seat 33 of the hook assembly, and an elastic piece is provided on the folding frame 21 to make the folding piece close to the wire-spinning core shaft 11. The second driving mechanism 30 and the elastic piece are used to form the folding angle in one step, ensuring that the directions of multiple bendings are highly consistent and the speed is fast, thereby improving the production efficiency of the spring and ensuring the high forming quality of the spring.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical practice of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A spring forming machine angle bending mechanism, comprising a frame, a wire-spinning mandrel disposed on the frame, and a plurality of hooking mechanisms disposed around the wire-spinning mandrel, each hooking mechanism comprising a base and a sliding seat, the base being mounted on the frame, a slide groove being formed on the base, and the sliding seat being slidably mounted on the base via the slide groove, characterized in that: A mounting seat is provided on the sliding seat of at least one group of hook assemblies, and a folding frame is provided on the mounting seat. The folding frame is swingably arranged on the mounting seat through a rotating shaft, and the axial direction of the rotating shaft is perpendicular to the axial direction of the wire-spinning mandrel. A folding piece is provided at one end of the folding frame close to the wire-spinning mandrel, and an elastic piece is provided on the folding frame to make the folding piece close to the wire-spinning mandrel. The frame is also provided with a first driving mechanism to make the folding piece move away from the wire-spinning mandrel.

2. The angle bending mechanism of a spring forming machine according to claim 1, characterized in that: The mounting seat includes a fixing portion and a mounting portion, the mounting portion is protruding from the upper surface of the fixing portion, the rotating shaft is arranged on the mounting portion, the folding frame is provided with a first mounting hole corresponding to the rotating shaft, and the folding frame is swungly mounted on the mounting portion by embedding the rotating shaft into the first mounting hole.

3. The angle bending mechanism of a spring forming machine according to claim 2, characterized in that: A fixing groove corresponding to the sliding seat is provided on the side of the mounting portion facing the sliding seat, a through hole is provided on the mounting seat that passes through the fixing portion and the mounting portion, and a second mounting hole is provided on the sliding seat that corresponds to the through hole. During assembly, the fixing groove is buckled onto the sliding seat, and the mounting seat is screwed onto the sliding seat by passing a screw or bolt through the through hole and the second mounting hole.

4. The angle bending mechanism of a spring forming machine according to claim 3, characterized in that: The corner frame is provided with a mounting groove corresponding to the mounting portion, and during assembly, the mounting portion is located in the mounting groove.

5. The angle bending mechanism of a spring forming machine according to claim 4, characterized in that: The shape of the corner frame is triangular.

6. The angle bending mechanism of a spring forming machine according to claim 1, characterized in that: The elastic member is a tension spring.

7. The angle bending mechanism of a spring forming machine according to claim 6, characterized in that: A fixing rod is also provided on the sliding seat. One end of the elastic member is fixed on the fixing rod, and the other end is fixed to an end of the folding frame away from the wire-spinning core shaft.

8. The angle bending mechanism of a spring forming machine according to claim 1, characterized in that: The first driving mechanism is a motor, and the frame is further provided with a motor mounting seat for mounting the motor. The output end of the motor is provided with a cam for pressing the folding frame to make the folding piece move away from the wire-spinning core shaft.

9. The angle bending mechanism of a spring forming machine according to claim 8, characterized in that: The folding frame is provided with a folding wheel corresponding to the cam at one end away from the thread-spitting core shaft.

10. The angle bending mechanism of a spring forming machine according to claim 9, characterized in that: The folding piece is a folding rod, a clearance groove is provided on one side of the folding rod, a folding portion is provided on the end of the folding groove away from the folding wheel, and an arc surface is provided on the folding portion.

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