A glueless spring core making apparatus
By combining multiple spring conveyor wheel sets and ultrasonic welding modules, the problem of existing equipment being unable to convey various types of spring strips has been solved, enabling efficient production and high-quality welding of zoned glue-free spring bed cores, thus meeting diverse customer needs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHAOXING HUAJIAN MATTRESS MACHINERY
- Filing Date
- 2025-07-10
- Publication Date
- 2026-07-21
AI Technical Summary
Existing glue-free spring bed core manufacturing equipment can only supply a single spring bar, which cannot meet the diverse needs of customers, and vibration during the welding process leads to poor quality.
Multiple spring conveyor wheel sets are used to transport spring strips of different specifications, and they are welded by ultrasonic welding head and welding knife assembly. Combined with pressure adjustment component to counteract vibration, and using cutting structure to cut the spring strips at appropriate time, the partitioned bed core is made.
This enables diversified, glue-free spring bed core manufacturing, improving production efficiency and welding quality, meeting diverse customer needs, and enhancing the overall quality of the spring bed core.
Smart Images
Figure CN224525891U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the technical field of bed core manufacturing, and in particular to a glue-free spring bed core manufacturing equipment. Background Technology
[0002] In the mattress manufacturing industry, spring mattress cores have always been one of the mainstream products. Their good elasticity and support provide people with a comfortable sleeping experience. At present, spring mattress cores are usually made by gluing the springs together. Although this method can ensure the connection strength between the springs, it has problems such as the release of harmful substances from the glue, poor environmental protection, and low production efficiency.
[0003] With the continuous advancement of technology and the increasing diversification of consumer demands, the manufacturing technology of spring mattress cores is also constantly developing. In particular, in recent years, consumers have been paying more and more attention to environmental protection and health, which has put forward higher requirements for the manufacturing process of spring mattress cores, driving the industry towards a more environmentally friendly and efficient direction. As an emerging product form, glue-free spring mattress cores are in line with the market development trend and have broad market prospects.
[0004] In existing glue-free spring bed core manufacturing technology, continuous spring strips are fed from right to left by a spring strip conveyor wheel assembly, a lever assembly moves the first row of spring strips backward to make room, a pulsator feeds the second row of spring strips from left to right, and ultrasonic waves move to the welding position and weld the spring strips with a welding knife.
[0005] However, current spring bar conveyor wheel sets can only convey a single type of spring bar, resulting in relatively simple glue-free spring bed core products that cannot meet the diverse needs of customers. Utility Model Content
[0006] In order to manufacture glue-free spring bed cores with various spring bars to meet the diverse needs of customers, this application provides a glue-free spring bed core manufacturing equipment.
[0007] This application provides a glue-free spring bed core manufacturing equipment, which adopts the following technical solution: it includes a frame, on which a spring conveying module and a welding module are provided. The spring conveying module includes at least two spring strip conveying wheel sets, and multiple spring strip conveying wheel sets are used to convey spring strips of different specifications to the welding work area. The welding module is used to weld two adjacent rows of spring strips together. It also includes a cutting structure, which is used to cut off the connection between adjacent spring strips.
[0008] By adopting the above technical solution, multiple spring conveyor wheel sets can convey spring strips of different specifications. The cutting structure can cut the spring strips at the appropriate time, and the welding module applies force to the contact points of the spring strips to make them physically interlock. This facilitates the production of zoned bed cores with different hardness of spring strips in different areas, achieving the effect of producing zoned glue-free spring bed cores and improving production efficiency to meet the diversified needs of customers.
[0009] Preferably, the welding module includes an ultrasonic welding head assembly and a welding knife assembly, which are located on the frame. The ultrasonic welding head assembly and the welding knife assembly are close to each other to weld two adjacent rows of spring strips.
[0010] By adopting the above technical solution, when welding is performed, the welding knife assembly and the ultrasonic welding head assembly approach each other and apply pressure and energy to the contact point of the spring strip together, causing the spring strip to physically engage and achieve welding.
[0011] Preferably, the ultrasonic welding head assembly is mounted on the frame via a movable bracket, and a pressure regulating component is disposed below the movable bracket to counteract the vibrations generated during welding.
[0012] By adopting the above technical solution, the setting of the pressure regulating component effectively solves the problem of poor welding or other poor quality caused by vibration during the welding process, making the welding process more stable, thereby improving the welding quality and overall quality of the glue-free spring bed core.
[0013] Preferably, the pressure regulating assembly includes at least one regulating cylinder, the piston rod of the regulating cylinder is connected to the movable bracket, and a plurality of the regulating cylinders are spaced apart at the bottom of the movable bracket along the length direction of the movable bracket.
[0014] By adopting the above technical solution, when the ultrasonic welding head assembly and the welding knife assembly come into contact for welding, a large force is generated, which causes vibration. The piston rod of the adjusting cylinder extends and presses against the movable bracket. By adjusting the pressure of the gas inside the cylinder, the vibration generated by welding is counteracted, ensuring the stability and quality of welding.
[0015] Preferably, the welding knife assembly is provided in two sets, namely a first welding knife assembly and a second welding knife assembly, wherein the first welding knife assembly and the second welding knife assembly are independently and reciprocally slidably disposed on the frame in a vertical direction.
[0016] By adopting the above technical solution, the first welding knife assembly and the second welding knife assembly can move up and down as needed to cooperate with the ultrasonic welding head assembly for welding.
[0017] Preferably, the first welding knife assembly includes a plurality of first welding knives, and the second welding knife assembly includes a plurality of second welding knives, wherein the plurality of first welding knives and the plurality of second welding knives are arranged alternately at intervals.
[0018] By adopting the above technical solution, since the contact points between every two adjacent spring strips are arranged in an alternating pattern, and two sets of welding knife assemblies are provided, when welding between every two spring strips, the two sets of welding knife assemblies can be raised and lowered respectively to cooperate with the ultrasonic welding head assembly for welding. There is no need to adjust the position of the welding knife assembly horizontally, which is energy-saving and convenient.
[0019] Preferably, the ultrasonic welding head assembly includes an ultrasonic mold head, which can be raised, lowered, and slid to cooperate with the welding knife assembly for welding. The ultrasonic mold head can slide along the spaced arrangement direction of the first welding knife and the second welding knife to cooperate with the welding of the first welding knife assembly and the second welding knife assembly respectively.
[0020] By adopting the above technical solution, the ultrasonic mold head can be flexibly moved to a suitable welding position.
[0021] Preferably, the frame is further provided with a lever assembly, which is located below the welding work area. The lever assembly can be raised and lowered and can move back and forth and left and right to adjust the position of adjacent spring bars.
[0022] By adopting the above technical solution, when the spring bar needs to be moved, the lever rises from the bottom, completes the moving action, and then descends to reset, preventing interference with other devices. Through the operation of the lever assembly, the spring bars can be arranged in an orderly manner, preparing for subsequent welding and bed core forming.
[0023] Preferably, the cutting structure is provided in two sets, and the two sets of cutting structures are respectively located on both sides of the frame. The cutting structure includes a cutter and a cutter groove seat. The cutter groove seat is disposed on the frame, and the cutter is disposed on one side of the ultrasonic welding head assembly.
[0024] By adopting the above technical solution, when the spring strip is delivered to the appropriate length and position, the cutter quickly cuts in and cuts the spring strip, preparing for the subsequent production of bed cores in different areas.
[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. It facilitates the production of zoned bed cores with different spring strip hardness in different areas, enabling the production of zoned glue-free spring bed cores and improving production efficiency to meet the diverse needs of customers. 2. The pressure adjustment component effectively solves the problem of poor welding or other quality issues caused by vibration during the welding process, making the welding process more stable and thus improving the welding quality and overall quality of the glue-free spring bed core. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the overall structure of this application; Figure 2 This is a schematic diagram of the lever assembly and welding knife assembly in this application; Figure 3 This is a schematic diagram of the glue-free spring bed core manufactured in this application; Figure 4 This is a schematic diagram illustrating the manufacturing process of a glue-free spring bed core manufacturing device according to this application; Figure 5 This is a schematic diagram illustrating the manufacturing process of a glue-free spring bed core manufacturing device according to this application; Figure 6 This is a schematic diagram illustrating the manufacturing process of a glue-free spring bed core manufacturing device according to this application; Figure 7 This is a schematic diagram of the cutting structure in this application; Figure 8 This is a structural drawing of the spring bar conveyor wheel assembly and impeller assembly in this application.
[0027] Explanation of reference numerals in the attached drawings: 1. Glue-free spring bed core; 21. First spring bar; 22. Second spring bar; 110. Frame; 111. Spring bar conveyor wheel assembly; 1121. First impeller assembly; 1122. Second impeller assembly; 113. Welding work area; 120. Lever assembly; 121. Lever; 122. Lifting drive component; 123. Forward and backward movement drive component; 124. Left and right movement drive component; 130. Ultrasonic mold head; 131. Movable bracket; 132. Adjusting cylinder; 140. Welding knife assembly; 141. First welding knife; 142. Second welding knife; 150. Cutting structure; 151. Cutting knife; 152. Cutting knife slot seat; 153. Cutting cylinder; 160. Blocking component. Detailed Implementation
[0028] The present application will be further described in detail below with reference to the accompanying drawings.
[0029] This application discloses a glue-free spring bed core manufacturing equipment for producing glue-free spring bed cores with various spring bars to meet the diverse needs of customers.
[0030] refer to Figures 1-7A glue-free spring bed core manufacturing equipment includes a frame 110, on which a spring conveying module, a welding module, and a cutting structure 150 are arranged. The spring conveying module conveys spring strips of different specifications to the welding work area 113. The welding module applies force to the contact points of the spring strips to make them physically interlock. The cutting structure 150 cuts into the connection of adjacent spring strips, thereby achieving the effect of being able to manufacture partitioned glue-free spring bed cores 1, improving production efficiency to meet the diversified needs of customers and the needs of large-scale industrial production.
[0031] The spring conveying module includes at least one spring strip conveying wheel set 111. Multiple spring strip conveying wheel sets 111 are used to convey spring strips of different specifications to the welding work area 113, which facilitates the production of partitioned bed cores with different hardness of spring strips in different areas. The cutting structure 150 can cut the spring strips at the appropriate time, which works efficiently with the whole process. In this embodiment, two spring strip conveying wheel sets 111 are provided. Each spring strip conveying wheel set 111 is respectively used with a pulsator set to convey the spring strips to the welding work area 113. These are the first pulsator set 1121 and the second pulsator set 1122. In other embodiments, three or four partitioned glue-free spring bed cores 1 with different hardness in different areas can be produced by adding pulsator sets and spring strip conveying wheel sets 111.
[0032] Multiple spring bar conveying wheel sets 111 operate independently of each other, each wheel set having its own drive system. They can convey spring bars according to a set speed and timing. The multiple spring bar conveying wheel sets 111 are arranged sequentially along the length of the frame 110. The frame 110 is also equipped with a lever assembly 120, which is located below the welding work area 113. The lever assembly 120 can be raised and lowered, moved back and forth to move the entire bed core backward, and moved left and right to move to the position point on the bed core where it can bear force (i.e., the welding point). The lever assembly 120 includes a lever 121, a lifting drive 122, a back and forth movement drive 123, and a left and right movement drive 124. The lifting drive 122 is usually a cylinder that drives the lever 121 to rise and fall. When it is necessary to move the spring bar, the lever 121 rises from below, completes the moving action, and then falls back to its original position to prevent interference with other devices. The forward and backward movement drive 123 and the left and right movement drive 124 can be a structure in which a lead screw and nut drive a slider to slide, thereby driving the lever 121 to move forward and backward and left and right. The left and right movement is used to find the connection point of the spring strip, that is, the front end is welded, so that the bed core can be pushed. The forward and backward movement is used to move the bed core. Through the operation of the lever assembly 120, the spring strips can be arranged in an orderly manner, preparing for subsequent welding and bed core forming.
[0033] The welding module includes an ultrasonic welding head assembly and a welding knife assembly 140. The ultrasonic welding head assembly is located below the working assembly, and the welding knife assembly 140 is located above the welding working area 113. The ultrasonic welding head assembly and the welding knife assembly 140 are close to each other to weld the spring strip contact point.
[0034] Specifically, the ultrasonic welding head assembly includes an ultrasonic generator and an ultrasonic mold 130. The ultrasonic generator converts electrical energy into high-frequency mechanical energy to provide energy for welding. The ultrasonic mold 130 is mounted on the frame 110 via a movable bracket 131. A pressure regulating assembly is located below the movable bracket 131 to counteract the vibrations generated during welding. The pressure regulating assembly includes at least one regulating cylinder 132, whose piston rod is connected to the movable bracket 131. Multiple regulating cylinders 132 are spaced apart along the length of the movable bracket 131. Located at the bottom of the movable bracket 131, when the ultrasonic welding head assembly and the welding knife assembly 140 come into contact for welding, a large force is generated, which causes vibration. The piston rod of the adjusting cylinder 132 extends and presses against the movable bracket 131. By adjusting the pressure of the gas inside the cylinder 132, the vibration generated by welding is counteracted. The setting of the pressure adjusting component effectively solves the problem of poor welding or other poor quality caused by vibration during the welding process, making the welding process more stable, ensuring the stability and quality of welding, thereby improving the welding quality and overall quality of the glue-free spring bed core 1.
[0035] The welding knife assembly 140 is positioned above the welding work area 113. Due to the staggered arrangement of contact points between every two adjacent spring strips, the welding knife assembly 140 includes a first welding knife 141 assembly 140 and a second welding knife 142 assembly 140. The first welding knife 141 assembly 140 includes multiple first welding knives 141, and the second welding knife 142 assembly 140 includes multiple second welding knives 142. The multiple first welding knives 141 and multiple second welding knives 142 are arranged alternately and sequentially. The first welding knife 141 assembly 140 and the second welding knife 142 assembly 140 are independently and reciprocally slidably positioned vertically on the frame 110. The presence of two sets of welding knife assemblies 140 allows for welding between every two spring strips by raising and lowering both sets of welding knife assemblies 140, enabling welding in conjunction with the ultrasonic welding head assembly. This eliminates the need for horizontal adjustment of the welding knife assembly 140's position, resulting in energy savings and convenience.
[0036] During welding, the ultrasonic generator produces high-frequency vibrations, which are transmitted to the spring strip through the ultrasonic head 130. At the same time, the welding knife assembly 140 moves downward and, together with the ultrasonic head 130, applies pressure and energy to the contact point of the spring strip, causing the spring strip to physically engage and achieve welding. This ensures that the spring strips are firmly connected and guarantees the quality of the bed core.
[0037] In addition, the cutting structure 150 includes a cutter 151, a cutter slot 152, and two cutting cylinders 153. The cutter 151 is made of sharp carbide material, which can quickly and accurately cut the spring strip. The two cutting cylinders 153 drive the cutter 151 to move in two directions respectively, so that the cutter 151, in conjunction with the cutter slot 152, cuts into the joint of adjacent spring strips. When the spring strip is delivered to the appropriate length and position, the two cutting cylinders 153 operate, and the cutter 151 quickly cuts in, cutting the spring strip and preparing it for the subsequent production of bed cores in different areas.
[0038] After the cut-off, the first impeller group 1121 and the second impeller group 1122 move away from left to right, so the first impeller group 1121 stops working and the second impeller group 1122 starts working. This process continues in sequence to achieve the conveying of different spring bars, which are the first spring bar 1 and the second spring bar 2.
[0039] In addition, in this embodiment, the frame 110 is provided with blocking members 160 on both sides, and the blocking members 160 keep one side flush after the spring strip contacts.
[0040] The implementation principle of the glue-free spring bed core manufacturing equipment in this application embodiment is as follows: multiple spring conveyor wheel sets can convey spring strips of different specifications, the cutting structure 150 can cut the spring strips at the appropriate time, and the welding module applies force to the contact points of the spring strips to make them physically interlock, which facilitates the production of zoned spring bed cores with different hardness of spring strips in different areas, thus achieving the effect of being able to produce zoned glue-free spring bed cores 1 and improving production efficiency to meet the diversified needs of customers.
[0041] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A glue-free spring bed core manufacturing equipment, comprising a frame (110), wherein a spring conveying module and a welding module are provided on the frame (110), characterized in that: The spring conveying module includes at least two spring strip conveying wheel sets (111), and multiple spring strip conveying wheel sets (111) are used to convey spring strips of different specifications to the welding work area (113). The welding module is used to weld two adjacent rows of spring strips together. It also includes a cutting structure (150), which is used to cut off the connection between adjacent spring strips.
2. The glue-free spring bed core manufacturing equipment according to claim 1, characterized in that: The welding module includes an ultrasonic welding head assembly and a welding knife assembly (140). Both the ultrasonic welding head assembly and the welding knife assembly (140) are located on the frame (110). The ultrasonic welding head assembly and the welding knife assembly (140) are close to each other to weld two adjacent rows of spring strips.
3. The glue-free spring bed core manufacturing equipment according to claim 2, characterized in that: The ultrasonic welding head assembly is mounted on the frame (110) via a movable bracket (131). A pressure regulating component (132) is provided below the movable bracket (131) to counteract the vibration generated during welding.
4. The glue-free spring bed core manufacturing equipment according to claim 3, characterized in that: The pressure regulating assembly (132) includes at least one regulating cylinder, the piston rod of which is connected to the movable bracket (131), and a plurality of the regulating cylinders are spaced apart at the bottom of the movable bracket (131) along the length direction of the movable bracket (131).
5. The glue-free spring bed core manufacturing equipment according to claim 2, characterized in that: The welding knife assembly (140) is provided in two sets, namely a first welding knife (141) assembly (140) and a second welding knife (142) assembly (140). The first welding knife (141) assembly (140) and the second welding knife (142) assembly (140) are respectively independently positioned and reciprocated on the frame (110) in the vertical direction.
6. The glue-free spring bed core manufacturing equipment according to claim 5, characterized in that: The first welding knife (141) assembly (140) includes a plurality of first welding knives (141), and the second welding knife (142) assembly (140) includes a plurality of second welding knives (142). The plurality of first welding knives (141) and the plurality of second welding knives (142) are arranged alternately at intervals.
7. The glue-free spring bed core manufacturing equipment according to claim 6, characterized in that: The ultrasonic welding head assembly includes an ultrasonic mold (130), which can be raised and lowered and slid to cooperate with the welding knife assembly (140) for welding. The ultrasonic mold (130) can slide along the direction of the first welding knife (141) and the second welding knife (142) to cooperate with the welding of the first welding knife (141) assembly (140) and the second welding knife (142) assembly (140) respectively.
8. The glue-free spring bed core manufacturing equipment according to claim 1, characterized in that: The frame (110) is also provided with a lever assembly (120), which is located below the welding work area (113). The lever assembly (120) can be raised and lowered and can move back and forth and left and right to adjust the position of adjacent spring bars.
9. The equipment for manufacturing a glue-free spring bed core (1) according to claim 2, characterized in that: The cutting structure (150) is provided in two sets, and the two sets of cutting structures (150) are respectively located on both sides of the frame (110). The cutting structure (150) includes a cutter (151) and a cutter groove seat (152). The cutter groove seat (152) is provided on the frame (110), and the cutter (151) is provided on one side of the ultrasonic welding head assembly.