Intelligent Manufacturing Device for Constant Force Springs
Patent Information
- Authority / Receiving Office
- US · United States
- Patent Type
- Applications(United States)
- Current Assignee / Owner
- GUANGZHOU AUTO SPRING CO LTD
- Filing Date
- 2026-01-27
- Publication Date
- 2026-08-06
Smart Images

Figure US20260225149A1-D00000_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The invention relates to the technical field of machine tools, devices, or processes for grinding or polishing, and in particular, to an intelligent manufacturing device for constant force springs.BACKGROUND ART
[0002] A constant force spring is a special type of tension spring suitable for occasions requiring large extension without an increase in load. Constant force springs require heating the material to change its strength and toughness, and bending the metal wire into the desired shape. Intelligent manufacturing devices can bend metal wires into a spring shape. Intelligent manufacturing devices typically consist of multiple molds and punches, which process the metal wire through different combinations and adjustments. The precision and stability of the forming mechanism are achieved through the control system of the intelligent manufacturing device, thereby completing the processing of constant force springs. Regarding the technical inspiration of intelligent manufacturing devices:
[0003] the following problems have been discovered in the research of intelligent manufacturing devices:
[0004] after the constant force spring is formed by the forming mechanism of the intelligent manufacturing device, it is discharged through a discharge mechanism. However, after discharge, the elasticity of the constant force spring needs to be tested, which prevents the intelligent manufacturing device from testing the elasticity of the constant force spring during the discharge process, thereby failing to reduce subsequent testing steps for the constant force spring;
[0005] currently, in the prior art, CN202010017192.2, "A Processing Equipment for Valve Seat Check Springs," discloses a processing equipment for springs. The spring machine body cavity of the invention has a servo motor fixedly connected to its left side. A wire releasing disc is movably connected to the top of the servo motor inside the spring machine body cavity. The middle of the lower surface of the wire releasing disc is fixedly and clampingly connected to the top of the output shaft of the servo motor. An anti-rust device is arranged in the middle of the spring machine body cavity. A cleaning device is fixedly connected to the middle of the upper surface of the spring machine body. The opening cross-section of the guide wheel is in the shape of two opposing symmetrical semi-arcs. A derusting block on the drive motor is used to drive the elastic steel wire to slide, while the resilience provided by the elastic component at the bottom of the guide wheel offsets the elastic force of the elastic steel wire on the guide wheel, reducing the rebound elasticity during the processing of the elastic steel wire and improving the dimensional accuracy of the formed check spring.
[0006] The invention mainly aims to solve the problem that intelligent manufacturing devices cannot test the elasticity of constant force springs during the discharge process.SUMMARY OF THE INVENTION
[0007] To solve the above technical problems, the invention provides an intelligent manufacturing device for constant force springs to solve the problems described in the above background art.
[0008] An intelligent manufacturing device for constant force springs, comprising: a frame, wherein a lower end of the frame is provided with a motor, an upper end of the frame is respectively provided with a feeding mechanism and a forming mechanism, a side of the frame close to the forming mechanism is provided with a machine box, and one side of the upper end of the machine box is slidably nested with a discharge rack.
[0009] Further, the motor is connected to a power supply circuit via a power cord, and one side of the frame is provided with a controller which is connected in a circuit with the motor.
[0010] Further, the feeding mechanism consists of a feeding wheel, a pressing wheel, and a guide wheel, and the motor is rotatably connected to the feeding mechanism via a belt.
[0011] Further, the feeding mechanism transmits the metal wire to the side of the forming mechanism.
[0012] Further, the forming mechanism consists of multiple molds and punches; the punches form press on the metal wire, causing the metal wire to be processed into constant force springs.
[0013] Further, one end of the punch is connected to a press machine, and the press machine is connected in a circuit with the controller.
[0014] Further, the machine box is concave-shaped, the discharge rack is arc-shaped and is located on the side of the machine box near the forming mechanism, and the entire discharge rack is inclined downward by 5-15°.
[0015] Further, an upper end of the discharge rack is rotatably penetrated by a cross rod, and one side of a lower end of the cross rod is swingingly connected to a backing plate located inside the machine box.
[0016] Further, a lower end on one side of the cross rod extends into an interior of the machine box, and the cross rod uses this side as a support point to rotate horizontally; the cross rod penetrates horizontally through the upper end of the discharge rack, and the cross rod and the backing plate are arranged at an overall angle of 90°.
[0017] Further, an inner wall of the machine box near the backing plate is provided with a track, an interior of the track is slidably connected with a sliding rod, and an end of the sliding rod near the backing plate is slidably connected with an inclined rod; one side of the sliding rod is provided with a magnet, and the interior of the track near the magnet is elastically connected with a spring.
[0018] Further, the inclined rod is inclined at 25-90° in the horizontal direction; the backing plate is slidably connected to the sliding rod via the inclined rod, and the sliding rod slides in the horizontal direction inside the track.
[0019] Further, the interior of the track is provided with a horizontally arranged groove, inside which the sliding rod slides.
[0020] Further, the sliding rod and the inclined rod are arranged in a "T" shape in side view.
[0021] Further, the magnet magnetically adsorbs one end of the spring, and the spring is installed horizontally inside the track.
[0022] Further, one side of the upper end of the discharge rack is rotatably connected to a turntable, the side of which near the cross rod is rotatably connected to a push rod, and protrusions are distributed on an outer side of the turntable.
[0023] Further, an end of the push rod near the turntable is located on one side of the upper end of the turntable, the push rod is horizontally inclined at 15-35°, and the turntable rotates horizontally on one side of the upper end of the discharge rack.
[0024] Further, the turntable extends to one side of the upper end of the discharge rack, and the protrusions are located on the side of the turntable near a middle of the discharge rack.Beneficial Effects
[0025] 1. One side of the lower end of the cross rod rotatably penetrates the upper end of the discharge rack, while the other side of the cross rod horizontally penetrates the upper end of the discharge rack. When the constant force spring slides on the upper end of the discharge rack, it presses against one side of the cross rod, causing the cross rod to rotate horizontally on one side of the discharge rack. At this time, the cross rod rotates towards one side of the discharge rack and drives the backing plate to rotate synchronously.
[0026] 2. When the cross rod rotates due to the pressing force of the constant force spring, the backing plate rotates synchronously. The backing plate can drive the inclined rod to slide towards one side of the track. The inclined rod is inclined at 25-90° in the horizontal direction. Therefore, when the backing plate rotates horizontally, it can drive the sliding rod to slide via the inclined rod. The sliding rod can slide horizontally inside the track. At this time, the sliding rod slides towards the spring, and the spring provides a rebound force to one end of the sliding rod.
[0027] 3. When the pressing force of the constant force spring on the cross rod is greater than the rebound force of the spring, the cross rod swings to one side of the discharge rack. At this time, the constant force spring can enter the interior of the machine box via the discharge rack. By replacing springs with different elastic forces, the elasticity of the constant force spring can be tested while it slides on the side of the discharge rack.
[0028] 4. After the constant force spring passes the side of the cross rod, using the rebound force of the spring, the sliding rod can slide back to its original position inside the track. The sliding rod can drive the backing plate to rotate back to its original position via the inclined rod, thereby the backing plate can drive the cross rod back to its original position, facilitating the testing of the next constant force spring.
[0029] 5. When the cross rod rotates on the upper end of the discharge rack, it drives the turntable to perform horizontal reciprocating rotation via the push rod. During the rotation of the turntable, it can drive the protrusions to rotate synchronously. Through the rotation of the protrusions above the discharge rack, the discharge of constant force springs can be separated, preventing the constant force springs from piling up on the upper end of the discharge rack. This enables the intelligent manufacturing device to conveniently form separated discharge of constant force springs while detecting the elasticity of constant force springs during the discharge process.BRIEF DESCRIPTION OF ACCOMPANY DRAWINGS
[0030] FIG. 1 is a schematic view of the overall structure according to the invention.
[0031] FIG. 2 is an exploded view of the overall structure according to the invention.
[0032] FIG. 3 is a schematic structural view of the machine box according to the invention.
[0033] FIG. 4 is an exploded view of the machine box according to the invention.
[0034] FIG. 5 is a side view of FIG. 4 according to the invention.
[0035] FIG. 6 is a schematic structural view of the turntable according to the invention.
[0036] FIG. 7 is a schematic structural view of the cross rod according to the invention.
[0037] FIG. 8 is a schematic structural view of the track according to the invention.
[0038] In FIGS. 1-8, the correspondence between component names and drawing numbers is as follows:
[0039] 1 refers to the frame; 101 refers to the motor; 102 refers to the feeding mechanism; 103 refers to the forming mechanism; 2 refers to the motor box; 201 refers to the discharge rack; 202 refers to the cross bar; 203 refers to the backing plate; 3 refers to the inclined rod; 301 refers to the sliding rod; 302 refers to the magnet; 4 refers to the track; 401 refers to the spring; 5 refers to the push rod; 501 refers to the turntable; 502 refers to the protrusion.SPECIFIC EMBODIMENT OF THE INVENTION
[0040] The technical solutions in the embodiments of the invention will be described clearly and completely hereinafter with reference to the drawings in the embodiments of the invention. Obviously, the described embodiments are part of the embodiments of the invention, rather than all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in various different configurations.Embodiments
[0041] As shown in FIGS. 1-8:
[0042] Embodiment 1: an intelligent manufacturing device for constant force springs, comprising: a frame 1, wherein a lower end of the frame 1 is provided with a motor 101, an upper end of the frame 1 is respectively provided with a feeding mechanism 102 and a forming mechanism 103, a side of the frame 1 close to the forming mechanism 103 is provided with a machine box 2, and one side of the upper end of the machine box 2 is slidably nested with a discharge rack 201;
[0043] the motor 101 is connected to a power supply circuit via a power cord, and one side of the frame 1 is provided with a controller which is connected in a circuit with the motor 101;
[0044] the feeding mechanism 102 consists of a feeding wheel, a pressing wheel, and a guide wheel, and the motor 101 is rotatably connected to the feeding mechanism 102 via a belt;
[0045] the feeding mechanism 102 transmits the metal wire to the side of the forming mechanism 103;
[0046] the forming mechanism 103 consists of multiple molds and punches; the punches form press on the metal wire, causing the metal wire to be processed into constant force springs;
[0047] one end of the punch is connected to a press machine, and the press machine is connected in a circuit with the controller;
[0048] a concave-shaped machine box 2, the discharge rack 201 is arc-shaped and is located on the side of the machine box 2 near the forming mechanism 103, and the entire discharge rack 201 is inclined downward by 5-15°;
[0049] the motor 101 drives the feeding mechanism 102 to rotate. The feeding wheel of the feeding mechanism 102 conveys the metal wire to the side of the forming mechanism 103. The forming mechanism 103 typically consists of multiple molds and punches. The punches form press on the metal wire, causing the metal wire to be processed into constant force springs. Subsequently, the constant force springs fall onto the upper end of the discharge rack 201. Since the entire discharge rack 201 is inclined downward by 5-15º, the constant force springs can slide towards the interior of the machine box 2 via the discharge rack 201 and are then stored inside the machine box 2.
[0050] Embodiment 2: with reference to FIGS. 2-6, the difference between Embodiment 2 and Embodiment 1 is that an upper end of the discharge rack 201 is rotatably penetrated by a cross rod 202, and one side of a lower end of the cross rod 202 is swingingly connected to a backing plate 203 located inside the machine box 2;
[0051] a lower end on one side of the cross rod 202 extends into an interior of the machine box 2, and the cross rod 202 uses this side as a support point to rotate horizontally; the cross rod 202 penetrates horizontally through the upper end of the discharge rack 201, and the cross rod 202 and the backing plate 203 are arranged at an overall angle of 90°;
[0052] a lower end on one side of the cross rod 202 extends into an interior of the machine box 2, and the cross rod 202 uses this side as a support point to rotate horizontally, as shown in FIG. 7;
[0053] the cross rod 202 penetrates horizontally through the upper end of the discharge rack 201. When the spring slides on the upper end of the discharge rack 201, it presses against one side of the cross rod 202, causing the cross rod 202 to rotate horizontally on one side of the discharge rack 201;
[0054] when the cross rod 202 rotates, the backing plate 203 rotates synchronously;
[0055] one side of the lower end of the cross rod 202 rotatably penetrates the upper end of the discharge rack 201, while the other side of the cross rod 202 horizontally penetrates the upper end of the discharge rack 201. When the constant force spring slides on the upper end of the discharge rack 201, it presses against one side of the cross rod 202, causing the cross rod 202 to rotate horizontally on one side of the discharge rack 201. At this time, the cross rod 202 rotates towards one side of the discharge rack 201 and drives the backing plate 203 to rotate synchronously.
[0056] Embodiment 3: with reference to FIGS. 3-8, the difference between Embodiment 3 and Embodiments 1 and 2 is that an inner wall of the machine box 2 near the backing plate 203 is provided with a track 4, an interior of the track 4 is slidably connected with a sliding rod 301, and an end of the sliding rod 301 near the backing plate 203 is slidably connected with an inclined rod 3; one side of the sliding rod 301 is provided with a magnet 302, and the interior of the track 4 near the magnet 302 is elastically connected with a spring 401;
[0057] the inclined rod 3 is inclined at 25-90° in the horizontal direction; the backing plate 203 is slidably connected to the sliding rod 301 via the inclined rod 3, and the sliding rod 301 slides in the horizontal direction inside the track 4;
[0058] the inclined rod 3 is inclined at 25-90° in the horizontal direction. Therefore, when the backing plate 203 rotates horizontally, it can drive the sliding rod 301 to slide via the inclined rod 3. The sliding rod 301 can slide horizontally inside the track 4;
[0059] the interior of the track 4 is provided with a horizontally arranged groove, inside which the sliding rod 301 slides;
[0060] the sliding rod 301 and the inclined rod 3 are arranged in a "T" shape in side view;
[0061] the magnet 302 magnetically adsorbs one end of the spring 401, and the spring 401 is installed horizontally inside the track 4.
[0062] When the cross rod 202 rotates due to the pressing force of the constant force spring, the backing plate 203 rotates synchronously. The backing plate 203 can drive the inclined rod 3 to slide towards one side of the track 4. The inclined rod 3 is inclined at 25-90° in the horizontal direction. Therefore, when the backing plate 203 rotates horizontally, it can drive the sliding rod 3 to slide via the inclined rod 301. The sliding rod 301 can slide horizontally inside the track 4. At this time, the sliding rod 301 slides towards the spring 401, and the spring 401 provides a rebound force to one end of the sliding rod 301;
[0063] When the pressing force of the constant force spring on the cross rod 202 is greater than the rebound force of the spring 401, the cross rod 202 swings to one side of the discharge rack 201. At this time, the constant force spring can enter the interior of the machine box 2 via the discharge rack 201. By replacing springs 401 with different elastic forces, the elasticity of the constant force spring can be tested while it slides on the side of the discharge rack 201.
[0064] After the constant force spring passes the side of the cross rod 202, using the rebound force of the spring 401, the sliding rod 301 can slide back to its original position inside the track 4. The sliding rod 301 can drive the backing plate 203 to rotate back to its original position via the inclined rod 3, thereby the backing plate 203 can drive the cross rod 202 back to its original position, facilitating the testing of the next constant force spring.
[0065] Embodiment 4: with reference to FIGS. 3-6, the difference between Embodiment 4 and Embodiments 1-3 is that one side of the upper end of the discharge rack 201 is rotatably connected to a turntable 501, the side of which near the cross rod 202 is rotatably connected to a push rod 5, and protrusions 502 are distributed on an outer side of the turntable 501.
[0066] an end of the push rod 5 near the turntable 501 is located on one side of the upper end of the turntable 501, the push rod 5 is horizontally inclined at 15-35°, and the turntable 501 rotates horizontally on one side of the upper end of the discharge rack 201;
[0067] the turntable 501 extends to one side of the upper end of the discharge rack 201, and the protrusions 502 are located on the side of the turntable 501 near a middle of the discharge rack 201, as shown in FIG. 3;
[0068] when the cross rod 202 rotates on the upper end of the discharge rack 201, it drives the turntable 501 to perform horizontal reciprocating rotation via the push rod 5. During the rotation of the turntable 501, it can drive the protrusions 502 to rotate synchronously. Through the rotation of the protrusions 502 above the discharge rack 201, the discharge of constant force springs can be separated, preventing the constant force springs from piling up on the upper end of the discharge rack 201. This enables the intelligent manufacturing device to conveniently form separated discharge of constant force springs while detecting the elasticity of constant force springs during the discharge process.
Claims
1. An intelligent manufacturing device for constant force springs, comprising:a frame, wherein a lower end of the frame is provided with a motor, an upper end of the frame is respectively provided with a feeding mechanism and a forming mechanism, a side of the frame close to the forming mechanism is provided with a machine box, and one side of the upper end of the machine box is slidably nested with a discharge rack;the motor is connected to a power supply circuit via a power cord, and one side of the frame is provided with a controller which is connected in a circuit with the motor;the feeding mechanism consists of a feeding wheel, a pressing wheel, and a guide wheel, and the motor is rotatably connected to the feeding mechanism via a belt;the forming mechanism consists of multiple molds and punches;an upper end of the discharge rack is rotatably penetrated by a cross rod, and one side of a lower end of the cross rod is swingingly connected to a backing plate located inside the machine box;a lower end on one side of the cross rod extends into an interior of the machine box, and the cross rod uses this side as a support point to rotate horizontally; the cross rod penetrates horizontally through the upper end of the discharge rack, and the cross rod and the backing plate are arranged at an overall angle of 90°;an inner wall of the machine box near the backing plate is provided with a track, an interior of the track is slidably connected with a sliding rod, and an end of the sliding rod near the backing plate is slidably connected with an inclined rod; one side of the sliding rod is provided with a magnet, and the interior of the track near the magnet is elastically connected with a spring;the inclined rod is inclined at 25-90° in the horizontal direction; the backing plate is slidably connected to the sliding rod via the inclined rod, and the sliding rod slides in the horizontal direction inside the track;the interior of the track is provided with a horizontally arranged groove, inside which the sliding rod slides; the sliding rod and the inclined rod are arranged in a "T" shape in side view;the magnet magnetically adsorbs one end of the spring, and the spring is installed horizontally inside the track;one side of the upper end of the discharge rack is rotatably connected to a turntable, the side of which near the cross rod is rotatably connected to a push rod, and protrusions are distributed on an outer side of the turntable.
2. The intelligent manufacturing device for constant force springs of claim 1, wherein the machine box is concave-shaped, the discharge rack is arc-shaped and is located on the side of the machine box near the forming mechanism, and the entire discharge rack is inclined downward by 5-15°.
3. The intelligent manufacturing device for constant force springs of claim 2, wherein an end of the push rod near the turntable is located on one side of the upper end of the turntable, the push rod is horizontally inclined at 15-35°, and the turntable rotates horizontally on one side of the upper end of the discharge rack.
4. The intelligent manufacturing device for constant force springs of claim 3, wherein the turntable extends to one side of the upper end of the discharge rack, and the protrusions are located on the side of the turntable near a middle of the discharge rack.