Independent bag spring gluing device

Abstract

The utility model discloses an independent bag spring gluing device which comprises a C-opening base, an L-shaped back supporting frame installed at the top end of the C-opening base, an L-shaped back supporting frame fixedly installed on the back face of the C-opening base and a double-rod type pneumatic lifting assembly arranged at one end of the surface of the L-shaped back supporting frame. The upper double-position dispensing mold is used for being matched with the lower double-position dispensing mold and pressing the independent bag spring when being driven by the double-rod type pneumatic lifting assembly to move downwards. According to the utility model, an independent bag spring workpiece to be subjected to adhesive dispensing treatment is placed in the lower double-position adhesive dispensing mold, the upper double-position adhesive dispensing mold is close to the lower double-position adhesive dispensing mold through the double-rod pneumatic lifting assembly to clamp the independent bag spring, and double-sided adhesive dispensing operation of adhesive liquid on the independent bag spring is realized through the two independent pipelines.

Description

Technical Field

[0001] This utility model relates to the technical field of independent pocket spring processing tools, specifically an independent pocket spring gluing device. Background Technology

[0002] Individual pocket springs consist of multiple independent spring units, each individually wrapped in a non-woven fabric pocket. This design effectively provides better support and comfort while reducing friction and noise between adjacent springs. However, to ensure the stability of these springs within the mattress and the integrity of the overall structure, an adhesive device is used to bond adjacent non-woven fabric pockets together to prevent spring movement and deformation during use. This type of adhesive device typically includes an adhesive storage tank, a delivery system, an adhesive dispensing head, a control system, and a positioning system. The adhesive storage tank stores the adhesive, the delivery system transports the adhesive from the storage tank to the dispensing head, the dispensing head is the core component for spraying the adhesive, the control system sets the dispensing time, frequency, and amount, and the positioning system ensures that the adhesive is accurately applied to the designated location on the non-woven fabric pocket. In operation, the adhesive device uses a pump to deliver the adhesive from the storage tank to the dispensing head and, guided by the control system, precisely sprays the adhesive onto the non-woven fabric pocket. After a certain curing time, the adhesive points formed by the glue effectively fix adjacent non-woven bags together, ensuring the stability and comfort of the mattress. Currently, the glue application and bonding devices primarily apply glue to one side of the individual pocket springs. Therefore, after completing the glue application on one side, operators need to unconstrain, reposition, and re-position the individual pocket springs to complete the double-sided glue application and bonding. This process requires manual operation, which not only increases the complexity of the operation but also increases the risk of human error. Especially during repositioning, operators may fail to accurately position the springs due to negligence, leading to deviations in double-sided glue application and affecting the bonding effect. This process of unconstraining and repositioning is not only time-consuming but can also easily cause production line stoppages. Especially in large-scale production, this repetitive operation significantly reduces production efficiency. Utility Model Content

[0003] The purpose of this invention is to provide an adhesive applicator for independent pocket springs. The independent pocket spring workpiece to be adhesive-applied is placed in the lower double-point adhesive mold. A double-rod pneumatic lifting assembly is used to bring the upper double-point adhesive mold closer to the lower double-point adhesive mold until the independent pocket spring is stably clamped by the upper and lower adhesive films. Then, the adhesive is applied to the upper and lower surfaces of the independent pocket spring through the first and second adhesive inlet control pipes, thereby completing the double-sided adhesive application and solving the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an independent pocket spring adhesive device, comprising a C-type base, an L-shaped back support frame mounted on the top of the C-type base, an L-shaped back support frame fixedly mounted on the back of the C-type base, and a double-rod pneumatic lifting assembly disposed at one end of the surface of the L-shaped back support frame. An upper double-point adhesive mold is mounted on the movable end of the double-rod pneumatic lifting assembly. The upper double-point adhesive mold is used to cooperate with the lower double-point adhesive mold and press the independent pocket spring tightly when driven downward by the double-rod pneumatic lifting assembly. The upper double-point adhesive mold and the lower double-point adhesive mold are respectively equipped with a first adhesive inlet control pipe and a second adhesive inlet control pipe for spraying adhesive onto the upper and lower surfaces of the independent pocket spring.

[0005] Preferably, the lower double-site glue mold and the upper double-site glue mold have the same structure. The top of the lower double-site glue mold is provided with a trapezoidal groove for the independent pocket spring to be laid flat and inserted, and a protruding rib is provided at the center of the trapezoidal groove.

[0006] Preferably, the dual-rod pneumatic lifting assembly includes a raised platform fixed to one end of the surface of the L-shaped back support frame, a cylinder mounted on the top of the raised platform, and guide sleeves fixed to the top of the raised platform on both sides of the cylinder. A slide rod is slidably installed inside the guide sleeve. An upper beam arm and a lower beam arm are respectively installed at the top and bottom of the slide rod. The upper dual-position rubber mold is installed at the bottom of the lower beam arm.

[0007] Preferably, the second glue inlet control pipeline includes a hollow tube fixed inside the lower double-point glue mold, a plurality of glue nozzles installed at equal intervals at the top of the hollow tube, and a switch valve installed at one end of the hollow tube, with a glue inlet pipe installed at the inlet of the switch valve.

[0008] Preferably, an elastic ejector pin is provided at the top of the lower double-point glue mold between two adjacent glue nozzles.

[0009] Preferably, the elastic ejector pin includes a pin sleeve fixed to the top of the lower double-point mold, a T-shaped pin slidably installed inside the pin sleeve, and a spring wound around the outer circumference of the T-shaped pin.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This independent pocket spring adhesive device places the independent pocket spring workpiece to be adhesiveped in the lower double-point adhesive mold, and uses a double-rod pneumatic lifting assembly to bring the upper double-point adhesive mold close to the lower double-point adhesive mold, clamping the independent pocket spring. Adhesive is then applied to both sides of the independent pocket spring through two independent pipelines. The design of the upper and lower double-point adhesive molds firmly clamps the independent pocket spring, ensuring that it does not shift during the adhesive application process. This stability greatly improves the accuracy of the adhesive application and reduces adhesive spillage caused by workpiece movement. By applying positional deviations, the accuracy of each dispensing position is ensured. Furthermore, through the first and second dispensing control lines, simultaneous dispensing of adhesive to the upper and lower surfaces of the independent pocket springs is achieved. This not only improves production efficiency but also ensures the consistency of adhesive application on both sides, contributing to the formation of a uniform adhesive layer and thus improving the quality of the final product. Secondly, the design of the dual-rod pneumatic lifting assembly enables rapid engagement and separation of the upper and lower molds without the need for multiple manual repositioning and positioning. This allows the workpiece to be directly processed or cured after double-sided dispensing, reducing production steps. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the front cross-sectional structure of this utility model;

[0013] Figure 3 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 4 This is a three-dimensional cross-sectional structural diagram of the present invention;

[0015] Figure 5 This utility model Figure 4 Enlarged structural diagram at point A in the middle;

[0016] Figure 6 This is a three-dimensional structural diagram of the present invention.

[0017] In the diagram: 1. C-type base; 2. L-shaped back support frame; 3. Lower double-point glue mold; 4. Double-rod pneumatic lifting assembly; 401. Convex plate; 402. Cylinder; 403. Guide sleeve; 404. Slide rod; 405. Upper beam arm; 406. Lower beam arm; 5. Upper double-point glue mold; 6. First glue inlet control pipeline; 7. Second glue inlet control pipeline; 701. Hollow tube; 702. Glue nozzle; 703. Switch valve; 704. Glue inlet pipe; 8. Elastic ejector pin; 801. Pin sleeve; 802. T-pin; 803. Spring. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] Please see Figure 1-6 An embodiment of this utility model provides an independent pocket spring adhesive device, including a C-type base 1, an L-shaped back support frame 2 installed at the top of the C-type base 1, an L-shaped back support frame 2 fixedly installed on the back of the C-type base 1, and a double-rod pneumatic lifting assembly 4 provided at one end of the surface of the L-shaped back support frame 2. An upper double-point adhesive mold 5 is installed at the movable end of the double-rod pneumatic lifting assembly 4. The upper double-point adhesive mold 5 is used to cooperate with the lower double-point adhesive mold 3 and press the independent pocket spring when driven down by the double-rod pneumatic lifting assembly 4. The upper double-point adhesive mold 5 and the lower double-point adhesive mold 3 are respectively equipped with a first glue inlet control pipe 6 and a second glue inlet control pipe 7 for spraying glue onto the upper surface and lower surface of the independent pocket spring.

[0020] The lower double-site glue mold 3 and the upper double-site glue mold 5 have the same structure. The top of the lower double-site glue mold 3 is provided with a trapezoidal groove for the independent pocket springs to be laid flat and inserted. A rib is provided at the center of the trapezoidal groove. The internal structure of the lower double-site glue mold 3 and the upper double-site glue mold 5 is the same. Taking the lower double-site glue mold 3 as an example, the top of the lower double-site glue mold 3 is provided with a trapezoidal groove for the independent pocket springs of different diameters to be inserted. There is a rib in the trapezoidal groove. The rib divides the lower double-site glue mold 3 into two stations, so that when the lower double-site glue mold 3 and the upper double-site glue mold 5 are closed, the double-sided glue dispensing of two independent pocket springs can be completed at the same time. This further improves the glue dispensing efficiency of the device and ensures the stability and consistency of the workpiece during the glue dispensing process.

[0021] The dual-bar pneumatic lifting assembly 4 includes a raised platform 401 fixed to one end of the surface of the L-shaped back support frame 2, a cylinder 402 mounted on the top of the raised platform 401, and guide sleeves 403 fixed to the top of the raised platforms 401 on both sides of the cylinder 402. A slide rod 404 is slidably installed inside the guide sleeve 403. An upper beam arm 405 and a lower beam arm 406 are respectively mounted on the top and bottom of the slide rod 404. An upper double-point adhesive mold 5 is installed at the bottom of the lower beam arm 406. (Independent bag) After the spring is laid flat and installed into the lower double-point mold 3, the operator starts the cylinder 402 to start the operation. The piston rod of the cylinder 402 drives the upper beam arm 405, the slide rod 404, the lower beam arm 406 and the upper double-point mold 5 to move down until the upper double-point mold 5 and the lower double-point mold 3 press the independent pocket spring. The upper double-point mold 5 is lifted smoothly through the double-rod pneumatic lifting assembly 4, avoiding workpiece damage or uneven glue application caused by uneven lifting.

[0022] The operator can install a control panel on the outer wall of the C-port base 1 to electrically connect with the solenoid valve of the cylinder 402, thereby operating the extension and retraction of the cylinder 402 through the control panel and the solenoid valve.

[0023] The second glue inlet control pipeline 7 includes a hollow tube 701 fixed inside the lower double-point glue mold 3, several glue nozzles 702 evenly spaced at the top of the hollow tube 701, and a switch valve 703 installed at one end of the hollow tube 701. A glue inlet pipe 704 is installed at the inlet of the switch valve 703. When the operator opens the switch valve 703, the glue inlet pipe 704 and the external glue supply equipment deliver the glue into the hollow tube 701, and spray it out through the glue nozzles 702 to adhere to the outer wall surface of the independent pocket spring. The multiple glue nozzles 702 ensure the uniformity of glue application during the glue dispensing process.

[0024] An elastic ejector pin 8 is provided at the top of the lower double-point glue mold 3 between two adjacent glue nozzles 702. The elastic ejector pin 8 includes a pin sleeve 801 fixed at the top of the lower double-point glue mold 3, a T-shaped pin 802 slidably installed inside the pin sleeve 801, and a spring 803 wound around the outer circumference of the T-shaped pin 802. After the lower double-point glue mold 3 and the upper double-point glue mold 5 are separated, the spring 803 elastically resets, and then the spring 803 pushes the T-shaped pin 802 and the independent bag spring upward, so that the independent bag spring is separated from the glue nozzle 702.

[0025] Before double-sided dispensing in this embodiment, the operator must conduct a comprehensive inspection of the lower double-point dispensing mold 3, the dual-rod pneumatic lifting assembly 4, the upper double-point dispensing mold 5, the first dispensing control line 6, and the second dispensing control line 7 to ensure that all components are functioning properly and without leakage or damage. The inlet ends of the first dispensing control line 6 and the second dispensing control line 7 are then connected to an external dispensing device to ensure that the viscosity and flowability of the adhesive meet the dispensing requirements. The individual pocket springs to be dispensed are then cleaned thoroughly, ensuring that the surface is free of oil, dust, and other impurities to guarantee the adhesive bonding effect. The cleaned individual pocket springs are placed in the lower double-point dispensing mold 3, ensuring accurate positioning and good contact with the upper double-point dispensing mold 5. The dual-rod pneumatic lifting assembly 4 is then activated to slowly raise the upper double-point dispensing mold 5 until it is in close contact with the lower double-point dispensing mold 3. Care must be taken with the force applied during this step to ensure even clamping and avoid damaging the springs. Damage may occur. According to process requirements, adjust the glue flow rate and application time of the first glue inlet control line 6 and the second glue inlet control line 7 to ensure that the glue can be evenly distributed on the upper and lower surfaces of the spring during the glue dispensing process. At this time, the delivery pump in the external glue supply equipment needs to start working. In the normally open state of the first glue inlet control line 6 and the second glue inlet control line 7, the glue can be evenly distributed on the upper and lower surfaces of the spring. The staff needs to observe the glue dispensing effect to avoid air bubbles or glue accumulation. After completing the double-sided glue dispensing, keep the upper mold and lower mold clamped, start the double-rod pneumatic lifting assembly 4, and slowly lower the upper double-sided glue dispensing mold 5 until it is completely separated from the lower double-sided glue dispensing mold 3. After the mold is completely separated, the staff carefully takes out the independent pocket spring that has been glued on both sides, checks the glue application, and ensures that the glue is even and without dripping. Place the glued independent pocket spring in a suitable environment and prepare for the next bonding process.

[0026] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An independent pocket spring adhesive device, characterized in that: The device includes a C-type base (1), an L-shaped back support frame (2) installed on the top of the C-type base (1), an L-shaped back support frame (2) fixedly installed on the back of the C-type base (1), and a double-rod pneumatic lifting assembly (4) set on one end of the surface of the L-shaped back support frame (2). The movable end of the double-rod pneumatic lifting assembly (4) is equipped with an upper double-point glue mold (5). The upper double-point glue mold (5) is used to cooperate with the lower double-point glue mold (3) and press the independent bag spring when it is driven to move down by the double-rod pneumatic lifting assembly (4). The upper double-point glue mold (5) and the lower double-point glue mold (3) are respectively equipped with a first glue inlet control pipe (6) and a second glue inlet control pipe (7) for spraying glue onto the upper and lower surfaces of the independent bag spring.

2. The independent pocket spring adhesive device according to claim 1, characterized in that: The lower double-site mold (3) and the upper double-site mold (5) have the same structure. The top of the lower double-site mold (3) is provided with a trapezoidal groove for the independent pocket spring to be laid flat and inserted. A rib is provided at the center of the trapezoidal groove.

3. The independent pocket spring adhesive device according to claim 1, characterized in that: The dual-rod pneumatic lifting assembly (4) includes a raised plate (401) fixed to one end of the surface of the L-shaped back support frame (2), a cylinder (402) installed on the top of the raised plate (401), and guide sleeves (403) fixed on the top of the raised plate (401) on both sides of the cylinder (402). A slide rod (404) is slidably installed inside the guide sleeve (403). An upper beam arm (405) and a lower beam arm (406) are respectively installed at the top and bottom of the slide rod (404). The upper double-point mold (5) is installed at the bottom of the lower beam arm (406).

4. The independent pocket spring adhesive device according to claim 2, characterized in that: The second glue inlet control pipeline (7) includes a hollow tube (701) fixed inside the lower double-point glue mold (3), a number of glue spray nozzles (702) installed at equal intervals at the top of the hollow tube (701), and a switch valve (703) installed at one end of the hollow tube (701). The liquid inlet of the switch valve (703) is equipped with a glue inlet pipe (704).

5. The independent pocket spring adhesive device according to claim 4, characterized in that: An elastic ejector pin (8) is provided at the top of the lower double-point glue mold (3) between two adjacent glue nozzles (702).

6. The independent pocket spring adhesive device according to claim 5, characterized in that: The elastic ejector pin (8) includes a pin sleeve (801) fixed to the top of the lower double-point mold (3), a T-pin (802) slidably installed inside the pin sleeve (801), and a spring (803) wound around the outer periphery of the T-pin (802).

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