A clockwork drive mechanism
By combining the damping rollers and the feeding gears, the problem of the serpentine springs becoming scattered and difficult to fix during the cutting process is solved, achieving precise conveying and cutting and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN AIMU BEDROOM SUPPLIES
- Filing Date
- 2025-06-16
- Publication Date
- 2026-06-09
AI Technical Summary
Snake-shaped spring-coiled materials are prone to springing apart during the cutting process, causing them to scatter, making them difficult to fix and count, thus affecting cutting accuracy and efficiency.
The serpentine spring feeding device, which uses a damping roller and a feeding gear, controls the spring release speed through the damping roller and achieves quantitative feeding by precisely engaging the feeding gear, and performs precise cutting at the end of the feeding process.
This technology enables stable fixing and precise cutting of serpentine springs, improving production efficiency and solving the problems of spring scattering and counting difficulties.
Smart Images
Figure CN224333344U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of furniture manufacturing technology, and in particular to a serpentine spring feeding device. Background Technology
[0002] In sofa manufacturing, serpentine springs are commonly used as the elastic support material. Serpentine springs are usually supplied in coiled form (commonly known as "spring coils"), and need to be cut into a certain number of sections according to actual needs. However, because serpentine springs are inherently elastic, and the coiled material tends to completely unravel after being unwound, the following problems arise during the cutting process:
[0003] Once the spring coil is released, it tends to spring back quickly, causing the spring sections to scatter, making them difficult to fix and count, thus affecting cutting accuracy. Therefore, when cutting, one hand must hold the spring while the other hand operates the cutting pliers, which is inconvenient and results in very low efficiency.
[0004] Therefore, there is an urgent need for a device that can fix the coiled material into a serpentine spring and assist in cutting, so as to improve production efficiency.
[0005] The information disclosed in this background section is included only to enhance the understanding of the context of this disclosure, and therefore may contain information that does not constitute prior art known to those skilled in the art. Utility Model Content
[0006] One objective of this invention is to provide a serpentine spring feeding device that can effectively fix the coiled serpentine spring and assist in cutting, thereby improving production efficiency.
[0007] To achieve the above objectives, this utility model provides a serpentine spring feeding device, comprising:
[0008] A damping roller for passing through the center hole of a serpentine spring in a coiled feed material;
[0009] A serpentine spring conveying assembly, the serpentine spring conveying assembly including a feeding gear that engages with the serpentine spring, and a drive shaft that drives the feeding gear to rotate to convey the serpentine spring;
[0010] A cutting assembly, located on the side of the serpentine spring conveying assembly away from the damping roller, is used to cut the serpentine spring.
[0011] Optional, also includes:
[0012] The frame has a damping roller mounted at one end, a drive shaft rotatably mounted at the middle of the frame, and a cutting assembly mounted at the other end of the frame.
[0013] Optionally, the cutting component includes:
[0014] A rotating guillotine cutter, one end of which is hinged to the frame;
[0015] A spring pedal, connected to the other end of the rotating guillotine via a transmission component, is used to drive the rotating guillotine to rotate downwards to cut the serpentine spring located below the rotating guillotine.
[0016] Optionally, the cutting component further includes:
[0017] A fixed guillotine is fixed on the frame and located below the rotating guillotine, used to cooperate with the rotating guillotine to cut the serpentine spring located between the two guillotines.
[0018] Optionally, the frame is provided with a spring hook plate extending above the other end of the rotating guillotine;
[0019] The cutting component also includes:
[0020] A reset spring, which connects the spring hook plate and the rotating guillotine, is used to overcome the elastic force of the spring pedal and drive the other end of the rotating guillotine to rotate upward so that the serpentine spring passes under the rotating guillotine.
[0021] Optionally, a Z-shaped rocker arm is fixed at the end of the drive shaft.
[0022] Optionally, a motor drive assembly is connected to the end position of the drive shaft.
[0023] Optionally, at least two feeding gears are fixed on the drive shaft.
[0024] Optionally, the different feed gears may have different diameters to match the different specifications of the serpentine springs.
[0025] Optionally, the diameter of each of the feeding gears gradually increases along the length of the drive shaft.
[0026] The beneficial effects of this utility model are as follows: It provides a serpentine spring feeding device. A damping roller passes through the central hole of the spring coil. Its damping characteristics control the release speed of the serpentine spring, preventing the coiled spring from suddenly springing open and causing the segments to scatter. The feeding gear precisely engages with the segments of the serpentine spring, achieving controllable quantitative feeding under the drive of the drive shaft, ensuring accurate delivery of spring segments each time. This mechanized feeding method not only frees the operator's hands but also avoids slippage or misalignment that may occur during manual fixing. The cutting component is located at the end of the conveyor, allowing for precise cutting after the serpentine spring has been stably fed to a predetermined position.
[0027] The entire device achieves full-process control of the serpentine spring from fixing and conveying to cutting through mechanical structure, which not only ensures cutting accuracy but also significantly improves production efficiency, fundamentally solving the problems of spring scattering, counting difficulties, and low efficiency in traditional manual operation. Attached Figure Description
[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0029] Figure 1 This is a schematic diagram of the structure of the serpentine spring feeding device provided in the embodiment;
[0030] Figure 2 for Figure 1 A schematic diagram from the perspective of point A;
[0031] Figure 3 This is a schematic diagram of a cutting assembly with a double guillotine structure provided in an embodiment.
[0032] In the picture:
[0033] 100. Snake-shaped spring;
[0034] 1. Frame; 101. Spring hook plate;
[0035] 2. Damping roller;
[0036] 3. Snake spring conveyor assembly; 301. Feeding gear; 302. Drive shaft; 303. Z-shaped rocker arm;
[0037] 4. Cutting assembly; 401. Rotary guillotine; 402. Spring pedal; 403. Return spring; 404. Transmission component; 405. Fixed guillotine. Detailed Implementation
[0038] In this utility model, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment can be included in at least one embodiment of this utility model. The term "embodiment" appearing in various places throughout the specification does not necessarily refer to the same embodiment, nor does it specifically limit its independence or connection with other embodiments. In principle, in this utility model, as long as there are no technical contradictions or conflicts, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.
[0039] Unless otherwise defined, the technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the use of related terms herein is merely for the purpose of describing particular embodiments and is not intended to limit the invention.
[0040] In the description of this utility model, the term "and / or" is used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A exists, B exists, and A and B exist simultaneously. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" logical relationship.
[0041] In this invention, terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual quantity, hierarchy, or order between these entities or operations.
[0042] Without further limitations, the use of terms such as “comprising,” “including,” “having,” or other similar expressions in this invention is intended to cover non-exclusive inclusion, which does not exclude the presence of additional elements in a process, method, or product that includes the stated elements, such that a process, method, or product that includes a series of elements may include not only those defined elements but also other elements not expressly listed, or elements inherent to such a process, method, or product.
[0043] Similar to the understanding in the Examination Guidelines, in this utility model, expressions such as "greater than," "less than," and "exceeding" are understood to exclude the stated number; expressions such as "above," "below," and "within" are understood to include the stated number. Furthermore, in the description of the embodiments of this utility model, "multiple" means two or more (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups" and "multiple times," unless otherwise explicitly specified.
[0044] In the description of the embodiments of this utility model, the space-related expressions used, such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or drawings. They are only for the convenience of describing the specific embodiments of this utility model or for the reader's understanding, and do not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model.
[0045] Unless otherwise expressly specified or limited, the terms "installation," "connection," "linking," "fixing," and "setting," as used in the description of the embodiments of this utility model, should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two components or the interaction between two components. For those skilled in the art to which this utility model pertains, the specific meaning of the above terms in the embodiments of this utility model can be understood according to the specific circumstances.
[0046] This utility model provides a serpentine spring feeding device, which effectively solves the problem of serpentine springs being easy to scatter and difficult to fix during the cutting process through the synergistic effect of the damping roller and the serpentine spring conveying assembly.
[0047] See Figure 1 The serpentine spring feeding device provided by this utility model includes a frame 1, a damping roller 2, a serpentine spring conveying assembly 3, and a cutting assembly 4. The damping roller 2 is installed at one end of the frame 1, the drive shaft 302 is rotatably installed at the middle position of the frame 1, and the cutting assembly 4 is installed at the other end of the frame 1.
[0048] The damping roller 2 is used to pass through the center hole of the serpentine spring 100 of the coiled material;
[0049] The serpentine spring conveying assembly 3 includes a feeding gear 301 that engages with the serpentine spring 100, and a drive shaft 302 that drives the feeding gear 301 to rotate to convey the serpentine spring 100.
[0050] The cutting assembly 4 is located on the side of the serpentine spring conveying assembly 3 away from the damping roller 2, and is used to cut the serpentine spring 100.
[0051] Specifically, the damping roller 2 passes through the central hole of the spring coil. Its damping characteristics control the release speed of the serpentine spring 100, preventing the coiled spring 100 from suddenly springing open and causing the segments to scatter. The feeding gear 301 precisely engages with the segments of the serpentine spring 100, achieving controllable quantitative feeding under the drive shaft 302, ensuring accurate spring segment delivery each time. This mechanized feeding method not only frees the operator's hands but also avoids slippage or misalignment that may occur during manual fixing. The cutting assembly 4 is located at the end of the conveying process and can precisely cut the serpentine spring 100 after it has been stably fed to a predetermined position.
[0052] The entire device achieves full-process control of the serpentine spring 100 from fixing and conveying to cutting through mechanical structure, which not only ensures cutting accuracy but also significantly improves production efficiency, fundamentally solving the problems of spring scattering, counting difficulties, and low efficiency in traditional manual operation.
[0053] See Figure 1 and Figure 2 In this embodiment, the cutting component 4 includes a rotating guillotine 401, a spring pedal 402, and a return spring 403.
[0054] One end of the rotating guillotine 401 is hinged to the frame 1. The spring pedal 402 is connected to the other end of the rotating guillotine 401 via a transmission component 404, and is used to drive the rotating guillotine 401 to rotate downwards to cut the serpentine spring 100 located below the rotating guillotine 401. Optionally, the transmission component 404 can be a chain, a rope, or a linkage assembly, etc., and this embodiment is not limited to this.
[0055] The frame 1 is provided with a spring hook plate 101 extending above the other end of the rotating guillotine 401. The return spring 403 connects the spring hook plate 101 and the rotating guillotine 401, and is used to overcome the elastic force of the spring pedal 402 to drive the other end of the rotating guillotine 401 to rotate upward so that the serpentine spring 100 passes under the rotating guillotine 401.
[0056] When it is necessary to cut the serpentine spring 100, the steps are as follows:
[0057] (1) Press down on the spring pedal 402, and the spring pedal 402 will drive the rotating guillotine 401 to rotate downward through the transmission component 404, thereby cutting the serpentine spring 100. The combination design of the rotating guillotine 401 and the spring pedal 402 realizes foot-operated labor-saving cutting, reduces the intensity of operation, and improves cutting efficiency.
[0058] (2) After the foot is released, the return spring 403 automatically pulls the rotating guillotine 401 up to a higher position so that the next cutting operation can be carried out. The cooperation between the return spring 403 and the spring hook plate 101 realizes that the cutter automatically returns to its original position after cutting, reduces manual intervention, improves the efficiency of continuous operation, and ensures that the serpentine spring 100 passes smoothly through the cutting position.
[0059] In this embodiment, the cutting operation can be achieved simply by setting up a single guillotine cutter (rotary guillotine cutter 401). In some other embodiments, such as Figure 3As shown, a fixed guillotine 405 can also be added. The fixed guillotine 405 is fixed to the end face of the frame 1 and located below the rotating guillotine 401. It is used to cooperate with the rotating guillotine 401 to cut the serpentine spring 100 located between the two guillotines. The addition of the fixed guillotine 405, in cooperation with the rotating guillotine 401, forms a double-blade shearing structure, which improves the cutting accuracy and cut smoothness, while reducing tool wear and extending service life.
[0060] In this embodiment, a Z-shaped rocker arm 303 is fixedly provided at the end position of the drive shaft 302. The Z-shaped rocker arm 303 is ergonomically designed, facilitates manual operation, and improves the control accuracy and operating comfort of the drive shaft 302.
[0061] In some other embodiments, a motor drive assembly can be connected to the end of the drive shaft 302. This motor drive assembly can be a motor gear or a motor belt, etc. The introduction of the motor drive assembly enables automated conveying, improves feeding speed and accuracy, and reduces the intensity of manual operation.
[0062] In this embodiment, one, two, three, or even more feeding gears 301 are fixed on the drive shaft 302. The arrangement of multiple feeding gears 301 can simultaneously transport multiple serpentine springs 100, improving production efficiency and making it suitable for batch processing scenarios.
[0063] Furthermore, the different feeding gears 301 have different diameters to match the different specifications of the serpentine springs 100. The different diameters of the feeding gears 301 can accommodate different specifications of serpentine springs 100, improving the versatility of the device and reducing the frequency of parts replacement.
[0064] Optionally, the diameter of each of the feeding gears 301 gradually increases along the length of the drive shaft 302 in the direction away from the Z-shaped rocker arm 303, so that all the feeding gears 301 can be seen intuitively when standing at the Z-shaped rocker arm 303.
[0065] In summary, the serpentine spring feeding device provided in this embodiment has the following advantages:
[0066] ① Damping roller 2 + feeding gear 301 coordinated control: effectively prevents spring from scattering and achieves stable conveying.
[0067] ② Foot-operated rotary guillotine 401 design: reduces operating intensity and improves cutting efficiency.
[0068] ③ Parallel setting of multiple feeding gears 301: Supports synchronous conveying of multiple springs, improving production efficiency.
[0069] ④ Adaptation to gears of different diameters: Enhances the versatility of the device and adapts to springs of various specifications.
[0070] Finally, it should be noted that although the above embodiments have been described in the text and drawings of this application, this should not limit the scope of patent protection of this application. Any technical solutions that are based on the essential concept of this application and utilize the content described in the text and drawings of this application, resulting in equivalent structural or procedural substitutions or modifications, as well as the direct or indirect application of the technical solutions of the above embodiments to other related technical fields, are all included within the scope of patent protection of this application.
Claims
1. A serpentine spring feeding device, characterized in that, include: Damping roller (2), the damping roller (2) is used to pass through the center hole of the serpentine spring (100) of the coiled material; The serpentine spring conveying assembly (3) includes a feeding gear (301) that engages with the serpentine spring (100) and a drive shaft (302) that drives the feeding gear (301) to rotate to convey the serpentine spring (100). A cutting assembly (4) is located on the side of the serpentine spring conveying assembly (3) away from the damping roller (2) and is used to cut the serpentine spring (100).
2. The serpentine spring feeding device according to claim 1, characterized in that, Also includes: The frame (1) has a damping roller (2) installed at one end of the frame (1), a drive shaft (302) rotatably installed at the middle position of the frame (1), and a cutting assembly (4) installed at the other end of the frame (1).
3. The serpentine spring feeding device according to claim 2, characterized in that, The cutting component (4) includes: A rotating guillotine cutter (401), one end of which is hinged to the frame (1); A spring pedal (402) is connected to the other end of the rotating guillotine (401) via a transmission member (404) to drive the rotating guillotine (401) to rotate downwards to cut the serpentine spring (100) located below the rotating guillotine (401).
4. The serpentine spring feeding device according to claim 3, characterized in that, The cutting component (4) also includes: A fixed guillotine (405) is fixed on the frame (1) and located below the rotating guillotine (401) to cooperate with the rotating guillotine (401) to cut the serpentine spring (100) located between the two guillotines.
5. The serpentine spring feeding device according to claim 3, characterized in that, The frame (1) is provided with a spring hook plate (101) extending above the other end of the rotary guillotine (401). The cutting component (4) also includes: A reset spring (403) is connected to the spring hook plate (101) and the rotating guillotine (401). The reset spring (403) is used to overcome the elastic force of the spring pedal (402) and drive the other end of the rotating guillotine (401) to rotate upward so that the serpentine spring (100) passes under the rotating guillotine (401).
6. The serpentine spring feeding device according to claim 1, characterized in that, A Z-shaped rocker arm (303) is fixed at the end of the drive shaft (302).
7. The serpentine spring feeding device according to claim 1, characterized in that, The end position of the drive shaft (302) is connected to a motor drive assembly.
8. The serpentine spring feeding device according to claim 1, characterized in that, At least two feeding gears (301) are fixed on the drive shaft (302).
9. The serpentine spring feeding device according to claim 8, characterized in that, The different feed gears (301) have different diameters to match the different specifications of the serpentine springs (100).
10. The serpentine spring feeding device according to claim 8, characterized in that, The diameter of each of the feeding gears (301) gradually increases along the length of the drive shaft (302).