A glue spraying device for mattress processing

Abstract

The utility model relates to bed -mat production equipment technical field, specifically disclose a kind of glue spraying device for mattress processing, including machine case, lifting mechanism and glue spraying mechanism;The application can be used for processing mattress, and cooperate with the belt conveyor device being arranged below glue spraying mechanism, mattress is placed on the belt conveyor device, is conveyed by belt conveyor device, realizes efficient glue spraying by glue spraying device;Before glue spraying, height can be adjusted by lifting mechanism, driving device is started after driving transmission shaft synchronous rotation, to make both sides gear along vertical rack roll, and then drive crossbeam vertical lifting, drive glue spraying mechanism overall adjustment to the operating height of adaptation mattress thickness;Glue solution in glue box is sprayed downward by multiple glue spraying heads distributed along left and right direction equidistantly, glue spraying head keeps static in lifting process, by multiple spray heads synchronous covering mattress full-width surface, realizes efficient uniform spraying.

Description

Technical Field

[0001] This utility model relates to the field of mattress production equipment technology, and in particular to a glue spraying device for mattress processing. Background Technology

[0002] As an important component of home furnishings, mattresses are typically constructed from multiple layers of composite materials, including spring layers, filling layers (such as latex and foam), and surface fabric. In the mattress manufacturing process, the adhesive bonding process is crucial for ensuring the strong adhesion of each layer, directly impacting the mattress's support, durability, and comfort. Traditional manual adhesive spraying requires operators to hold a spray gun and apply the adhesive to the mattress substrate, which has significant drawbacks: First, mattresses are large and complex, making it difficult to cover corners manually, easily leading to missed areas or uneven adhesive layers; second, the adhesive flow and spraying trajectory rely on worker experience, resulting in poor consistency and potentially causing adhesive layers to be too thick or too thin, thus affecting the quality of the mattress's layer bonding; third, prolonged work is physically demanding, and the evaporation of adhesive mist poses a potential health hazard to operators.

[0003] To improve the efficiency and quality of adhesive spraying, automated adhesive spraying equipment has emerged in the existing technology, such as the adhesive spraying system for mattress processing disclosed in Chinese Patent Publication No. CN217432138U. However, such equipment still has the following shortcomings: ① Limited height adjustment: Mattress thickness varies significantly depending on the model (e.g., thin mattresses 5-10cm, thick mattresses 20-30cm), and a fixed-height spray head cannot adapt to the spraying needs of mattresses of different thicknesses, resulting in adhesive drop point deviation or poor spraying angle; ② Low adhesive spraying efficiency: The spraying method of horizontal reciprocating movement of the spray head requires multiple round trips when covering a large area of ​​mattress, resulting in a long operation cycle, and adhesive layer overlap or gaps are easily generated at the junction of the spraying path, making it difficult to guarantee uniformity; ③ Insufficient adhesive atomization control: Some equipment lacks a precise adhesive atomization and temperature control system, and fluctuations in adhesive viscosity can easily lead to nozzle blockage or uneven atomized particles, affecting the bonding effect.

[0004] The aforementioned defects have limited the improvement of mattress processing efficiency and finished product qualification rate. There is an urgent need for a glue spraying device with height self-adaptive adjustment, multi-nozzle collaborative operation and precise control of glue state to meet the needs of high-precision and high-efficiency industrial production.

[0005] Therefore, existing technologies still need to be improved and developed. Utility Model Content

[0006] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a glue spraying device for mattress processing to solve the above problems.

[0007] A glue spraying device for mattress processing, comprising:

[0008] Chassis;

[0009] The lifting mechanism includes two racks fixed to the left and right ends of the chassis and arranged vertically, two gears meshing with the two racks, a drive shaft connecting the two gears, a drive device for driving the drive shaft to rotate, and a crossbeam fixed to the drive device.

[0010] The glue spraying mechanism includes a glue box fixed to the crossbeam and a plurality of glue spraying heads spaced apart in the glue box along the left and right direction and communicating with the inner cavity of the glue box.

[0011] Specifically, the chassis includes two housings and a top frame connected between the two housings. Two racks are respectively fixed inside the two housings. The top frame has a cavity in the middle for the glue spraying mechanism to move up and down. The front and rear ends of the top frame are hinged with a cover. The cover is embedded with multiple light-transmitting plates. An electric push rod is provided between the top frame and the cover for driving the cover to open and close.

[0012] Specifically, the lifting mechanism further includes a guide assembly, which includes bushings fitted on the left and right ends of the transmission shaft, lifting plates fixed to the bushings, sliders fixed to the lifting plates, guide rails that slide with the sliders, and mounting plates fixed between the guide rails and the housing. The left and right ends of the crossbeam are respectively fixedly connected to the two lifting plates. The mounting plate is provided with a limiting baffle, which limits the lifting stroke of the sliders through an elastic buffer pad.

[0013] Specifically, the spray nozzle is an atomizing nozzle; the spraying mechanism also includes an air supply device, which includes an air guide pipe and a control valve disposed on the air guide pipe; the output end of the air guide pipe is connected to the spray nozzle and is used to supply high-pressure gas to the spray nozzle to atomize the glue.

[0014] Specifically, the glue spraying mechanism also includes a glue storage tank, which is connected to the glue box via a glue delivery pipe. The glue box is equipped with a heating device to maintain the glue temperature.

[0015] Specifically, the heating device is an electric heating plate or electric heating wire surrounding the inner cavity of the plastic box.

[0016] Specifically, the adhesive spraying device also includes a cable management mechanism, which includes a first cable management frame fixed to the crossbeam, a second cable management frame fixed in an inverted shape to the first cable management frame, and a third cable management frame fixed horizontally to the second cable management frame. The first cable management frame and the second cable management frame are both C-shaped structures. The first cable management frame, the second cable management frame and the third cable management frame are all provided with several through holes for bundling wires or pipes.

[0017] Specifically, the driving device is a right-angle motor, and its output shaft is coaxially connected to the transmission shaft via a coupling.

[0018] Specifically, there are at least 20 glue spray heads, which are evenly spaced in the glue box.

[0019] The beneficial effects of this utility model are:

[0020] The adhesive spraying device of this application can be used to process mattresses. In conjunction with a belt conveyor device located below the adhesive spraying mechanism, the mattress is placed on the belt conveyor device and transported by the belt conveyor device. The adhesive spraying device achieves efficient adhesive spraying. Before spraying, the height can be adjusted by the lifting mechanism. After the drive device is started, it drives the transmission shaft to rotate synchronously, causing the gears on both sides to roll along the vertical rack, thereby driving the crossbeam to rise and fall vertically, and driving the entire adhesive spraying mechanism to adjust to the working height suitable for the thickness of the mattress. The adhesive in the adhesive box is sprayed downward through multiple adhesive spraying heads that are evenly distributed in the left and right direction. The adhesive spraying heads remain static during the lifting and lowering process. By having multiple spraying heads simultaneously cover the full width surface of the mattress, efficient and uniform spraying is achieved. Attached Figure Description

[0021] Figure 1 The three-dimensional representation of the mattress processing adhesive spraying device of this application Figure 1 ;

[0022] Figure 2 The three-dimensional representation of the mattress processing adhesive spraying device of this application Figure 2 ;

[0023] Figure 3 This is a perspective view of the lifting mechanism and the glue spraying mechanism of this application;

[0024] Figure 4 for Figure 3 Enlarged view of section A;

[0025] Figure 5 for Figure 3 Enlarged view of section B;

[0026] Figure 6 This is a perspective view of the lifting mechanism of this application;

[0027] Figure 7 This is a perspective view of the adhesive spraying mechanism and the cable management mechanism of this application.

[0028] The attached figures are labeled as follows: chassis 10, lifting mechanism 20, rack 21, gear 22, drive shaft 23, drive device 24, crossbeam 25, glue spraying mechanism 30, glue box 31, glue spraying head 32, housing 11, top frame 12, cover 13, light-transmitting plate 14, electric push rod 15, guide assembly 26, bushing 261, lifting plate 262, slider 263, guide rail 264, mounting plate 265, limit baffle 27, elastic buffer pad 28, air supply device 33, air duct 331, control valve 332, glue storage tank 34, glue delivery pipe 35, cable management mechanism 40, first cable management rack 41, second cable management rack 42, third cable management rack 43. Detailed Implementation

[0029] This utility model provides a glue spraying device for mattress processing. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0030] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0031] Please refer to Figures 1 to 7 This embodiment discloses a glue spraying device for mattress processing, comprising:

[0032] Chassis 10;

[0033] The lifting mechanism 20 includes two racks 21 fixed to the left and right ends of the housing 10 and arranged vertically, two gears 22 meshing with the two racks 21, a drive shaft 23 connecting the two gears 22, a drive device 24 for driving the drive shaft 23 to rotate, and a crossbeam 25 fixed to the drive device 24.

[0034] The glue spraying mechanism 30 includes a glue box 31 fixed to the crossbeam 25 and a plurality of glue spraying heads 32 spaced apart in the left and right direction and communicating with the inner cavity of the glue box 31.

[0035] The glue spraying device of this embodiment can be used to process mattresses. In conjunction with a belt conveyor located below the glue spraying mechanism 30, the mattress is placed on the belt conveyor and transported by it. This allows for efficient glue spraying. Before spraying, the height can be adjusted via the lifting mechanism 20. After the drive device 24 is activated, it drives the transmission shaft 23 to rotate synchronously, causing the gears 22 on both sides to roll along the vertical rack 21. This, in turn, drives the crossbeam 25 to rise and fall vertically, adjusting the entire glue spraying mechanism 30 to a working height suitable for the mattress thickness. The glue in the glue box 31 is sprayed downwards through multiple glue spray heads 32 evenly distributed in the left-right direction. The glue spray heads 32 remain static during the rising and falling process. By simultaneously covering the entire width of the mattress surface with multiple spray heads, efficient and uniform spraying is achieved.

[0036] In this embodiment, the glue spraying device ensures that the height of the glue spraying head 32 is precisely adjustable through the meshing transmission of the gear 22 and the rack 21, avoiding glue deviation or missed spraying. The horizontally arranged multiple glue spraying heads 32 cover the entire width of the mattress, enabling full-coverage operation across the entire mattress width and significantly reducing reciprocating movement time. The inner cavity of the glue box 31 connects all the glue spraying heads 32, ensuring consistent glue output from each spraying head 32 through unified glue supply and pressure distribution, thus significantly improving the uniformity of the glue layer.

[0037] The chassis 10 includes two housings 11 and a top frame 12 connected between the two housings 11. Two racks 21 are fixed to the inner sides of the two housings 11 respectively. The top frame 12 has a cavity in the middle for the spraying mechanism 30 to move up and down. The front and rear ends of the top frame 12 are hinged with a cover 13. The cover 13 is embedded with multiple light-transmitting plates 14 to facilitate the observation of the operation inside the chassis 10 by the staff. An electric push rod 15 is provided between the top frame 12 and the cover 13. The cover 13 is opened and closed by the extension and retraction of the electric push rod 15, which facilitates the maintenance or repair of the spraying mechanism 30.

[0038] The structure, through the combination of a split-type housing 11 and a top frame 12, enhances the overall stability of the housing 10 while providing a reliable installation base for the rack 21 and the glue spraying mechanism 30. The opening and closing function of the cover 13, combined with the design of the light-transmitting plate 14, takes into account the equipment protection, operation visibility and maintenance convenience. The cavity of the top frame 12 ensures that the lifting and lowering process of the glue spraying mechanism 30 is free from interference and the movement trajectory is precise and controllable.

[0039] Please refer to Figure 3 and Figure 4The lifting mechanism 20 also includes a guide assembly 26, which includes bushings 261 sleeved on the left and right ends of the drive shaft 23, lifting plates 262 fixed to the bushings 261, sliders 263 fixed to the lifting plates 262, guide rails 264 slidingly engaged with the sliders 263, and mounting plates 265 fixed between the guide rails 264 and the housing 11. The left and right ends of the crossbeam 25 are respectively fixedly connected to the two lifting plates 262. The mounting plate 265 is provided with a limiting baffle 27, which limits the lifting stroke of the sliders 263 through an elastic buffer pad 28. When the drive shaft 23 rotates, the bushings 261 sleeved on its left and right ends rotate accordingly and drive the lifting plates 262 to rise and fall synchronously. The sliders 263 fixed to the lifting plates 262 slide along the guide rails 264. The guide rails 264 are fixedly connected to the housing 11 through the mounting plates 265. The two ends of the crossbeam 25 are respectively fixedly connected to the two lifting plates 262, realizing the vertical guiding and lifting of the glue spraying mechanism 30. The limit baffle 27 on the mounting plate 265 limits the lifting limit position of the slider 263 through the elastic buffer pad 28 to avoid overtravel collision.

[0040] The guide assembly 26, through the sliding engagement of the slider 263 and the guide rail 264, ensures the stability of the movement trajectory of the lifting plate 262 and eliminates radial offset when the drive shaft 23 rotates. The combined design of the limit baffle 27 and the elastic buffer pad 28 not only precisely limits the lifting stroke of the glue spraying mechanism 30, but also reduces mechanical impact through buffering, extending the service life of the equipment. The rigid connection between the crossbeam 25 and the lifting plate 262 further ensures the synchronous lifting of the glue spraying mechanism 30, avoiding uneven spraying caused by the height difference on both sides.

[0041] Please refer to Figure 5 The glue spraying mechanism 30 also includes an air supply device 33, which includes an air guide pipe 331 and a control valve 332 disposed on the air guide pipe 331. The output end of the air guide pipe 331 is connected to the glue spraying head 32 and is used to deliver high-pressure gas to the glue spraying head 32 to atomize the glue. In this embodiment, the glue spraying head 32 adopts an atomizing nozzle design. The air supply device 33 configured in the glue spraying mechanism 30 delivers high-pressure gas to each glue spraying head 32 through the air guide pipe 331. The control valve 332 is disposed on the air guide pipe 331 to adjust the gas flow rate. The high-pressure gas and the glue output from the glue box 31 are mixed and atomized in the glue spraying head 32 to form a uniform and fine glue mist, which is then sprayed onto the mattress surface to ensure that the glue layer is of uniform thickness and the bonding surface is completely covered, avoiding the defects caused by glue droplet agglomeration or uneven flow in traditional glue spraying methods.

[0042] Please refer to Figure 1The glue spraying mechanism 30 also includes a glue storage tank 34, which is connected to a glue container 31 via a glue delivery pipe 35. A heating device is installed inside the glue container 31 to maintain the glue temperature. The glue storage tank 34 continuously supplies glue to the glue container 31 via the glue delivery pipe 35. The heating device inside the glue container 31 maintains a constant temperature for the glue, preventing viscosity fluctuations due to temperature changes. The stable glue flow, combined with the atomization effect of the spray nozzle 32, ensures the glue is evenly sprayed onto the mattress surface, effectively preventing localized solidification or uneven distribution of the glue layer, thus improving the overall quality of the bonding surface and processing efficiency.

[0043] The heating device is an electric heating plate or electric heating wire surrounding the inner cavity of the glue box 31. It maintains a constant temperature of the glue liquid inside the glue box 31 through uniform heat conduction, preventing the glue liquid from increasing in viscosity due to cooling or uneven heating in some areas. The stable temperature control design ensures consistent glue liquid flow. Combined with the atomization spraying of the glue spray head 32, it avoids glue liquid condensation and clogging of the spray head or uneven atomization particle size, ensuring that the glue layer bonding surface is uniform and dense.

[0044] Please refer to Figure 7 The adhesive spraying device also includes a cable management mechanism 40, which includes a first cable management frame 41 fixed to the crossbeam 25, a second cable management frame 42 fixed to the first cable management frame 41 in an inverted shape, and a third cable management frame 43 fixed to the second cable management frame 42 horizontally. The first cable management frame 41 and the second cable management frame 42 are both C-shaped structures. The first cable management frame 41, the second cable management frame 42 and the third cable management frame 43 are all provided with several through holes for bundling wires or pipes. In this embodiment, the cable management mechanism 40 forms a layered cable management space through a first cable management frame 41 fixed to the crossbeam 25, a second cable management frame 42 connected in an inverted manner, and a third cable management frame 43 extending horizontally. The C-shaped structure and through-hole design of the three are used to classify and bind the air pipes, glue pipes, and control circuits of the glue spraying mechanism 30. After the lines or pipes are fixed through the through holes, they are neatly arranged along the direction of the cable management frame to avoid the lines getting tangled or interfering with moving parts during the lifting process. At the same time, it is convenient to quickly inspect and replace, reduce the shaking and wear of the lines, and ensure that the equipment operates stably and reliably and is easy to maintain.

[0045] Furthermore, the drive unit 24 is a right-angle motor, whose output shaft is coaxially connected to the transmission shaft 23 via a coupling. The right-angle motor achieves power transmission direction conversion with a compact structure, driving the transmission shaft 23 to rotate stably; the coupling effectively absorbs vibration and minor offset during transmission, avoiding jamming or wear caused by shaft misalignment when the gear 22 and rack 21 mesh, ensuring smooth and stable operation of the lifting mechanism 20, while reducing load fluctuations of the right-angle motor, extending the service life of the drive unit 24 and reducing maintenance frequency.

[0046] Furthermore, at least 20 adhesive spray heads 32 are provided, and the adhesive spray heads 32 are evenly spaced in the adhesive box 31. The dense and uniform distribution of spray heads allows the adhesive to cover the entire width of the mattress surface in one go, enabling full-width coverage of the entire mattress in one row. The evenly spaced design ensures that the adhesive drop points are consistent, eliminating the problems of adhesive layer overlap or gaps caused by traditional single-head horizontal spraying, improving spraying efficiency while simplifying the equipment's movement structure, reducing energy consumption, and adapting to the processing needs of mattresses of different sizes.

[0047] The preferred embodiments of this utility model have been described in detail above. However, this invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this invention.

Claims

1. A glue spraying device for mattress processing, characterized in that, include: Chassis (10); The lifting mechanism (20) includes two racks (21) fixed to the left and right ends of the housing (10) and arranged vertically, two gears (22) meshing with the two racks (21), a drive shaft (23) connecting the two gears (22), a drive device (24) for driving the drive shaft (23) to rotate, and a crossbeam (25) fixed to the drive device (24). The glue spraying mechanism (30) includes a glue box (31) fixed to the crossbeam (25) and a plurality of glue spraying heads (32) spaced apart in the left and right direction and communicating with the inner cavity of the glue box (31).

2. The glue spraying device for mattress processing according to claim 1, characterized in that, The chassis (10) includes two housings (11) and a top frame (12) connected between the two housings (11). Two racks (21) are fixed to the inner sides of the two housings (11). The top frame (12) has a cavity in the middle for the spraying mechanism (30) to move up and down. The top frame (12) has a cover (13) hinged at both ends. The cover (13) is fitted with multiple light-transmitting plates (14). An electric push rod (15) is provided between the top frame (12) and the cover (13) to drive the cover (13) to open and close.

3. The glue spraying device for mattress processing according to claim 2, characterized in that, The lifting mechanism (20) further includes a guide assembly (26), which includes a bushing (261) sleeved on the left and right ends of the transmission shaft (23), a lifting plate (262) fixed to the bushing (261), a slider (263) fixed to the lifting plate (262), a guide rail (264) slidably engaged with the slider (263), and a mounting plate (265) fixed between the guide rail (264) and the housing (11). The left and right ends of the crossbeam (25) are respectively fixedly connected to the two lifting plates (262). The mounting plate (265) is provided with a limiting baffle (27), which limits the lifting stroke of the slider (263) through an elastic buffer pad (28).

4. The glue spraying device for mattress processing according to claim 1, characterized in that, The glue spray head (32) is an atomizing nozzle; the glue spraying mechanism (30) also includes an air supply device (33), which includes an air guide pipe (331) and a control valve (332) provided on the air guide pipe (331); the output end of the air guide pipe (331) is connected to the glue spray head (32) and is used to deliver high-pressure gas to the glue spray head (32) to atomize glue.

5. The glue spraying device for mattress processing according to claim 1, characterized in that, The glue spraying mechanism (30) also includes a glue storage tank (34), which is connected to the glue box (31) through a glue delivery pipe (35). The glue box (31) is equipped with a heating device to maintain the glue temperature.

6. The glue spraying device for mattress processing according to claim 5, characterized in that, The heating device is an electric heating plate or electric heating wire surrounding the inner cavity of the plastic box (31).

7. The glue spraying device for mattress processing according to claim 1, characterized in that, It also includes a cable management mechanism (40), which includes a first cable management frame (41) fixed to the crossbeam (25), a second cable management frame (42) fixed in an inverted shape to the first cable management frame (41), and a third cable management frame (43) fixed horizontally to the second cable management frame (42). The first cable management frame (41) and the second cable management frame (42) are both C-shaped structures. The first cable management frame (41), the second cable management frame (42) and the third cable management frame (43) are all provided with several through holes for bundling lines or pipes.

8. The glue spraying device for mattress processing according to claim 1, characterized in that, The drive device (24) is a right-angle motor, and its output shaft is coaxially connected to the transmission shaft (23) through a coupling.

9. The glue spraying device for mattress processing according to claim 1, characterized in that, The glue spray head (32) is provided with at least 20 units, and the glue spray head (32) is arranged at equal intervals in the glue box (31).

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