Non-woven fabric hot melt adhesive composite coating machine

By introducing an absorption component and a recycling system into the nonwoven hot melt adhesive composite coating machine, the problem of excess hot melt adhesive that cannot be recycled and reused has been solved, realizing the effective recycling of hot melt adhesive and convenient cleaning of the device, thus improving the practicality of the equipment.

CN223747929UActive Publication Date: 2026-01-02QINGDAO HAI FORTISTONG NONWOVEN FABRIC CO LTD
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Patent Information

Application Number
CN202422706529.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2026-01-02
Estimated Expiration
2034-11-07

AI Technical Summary

Technical Problem

In existing technologies, excess hot melt adhesive scraped off cannot be recycled and is prone to sticking to the scraper and machine after cooling, making it difficult to clean.

Method used

A nonwoven hot melt adhesive composite coating machine was designed, which adopts an absorption component and a recycling system to collect excess hot melt adhesive into the recycling chamber through a suction head, a rectangular block, a connecting pipe and a recycling pipe. The coating thickness is controlled by adjusting the distance between the scraper and the leather using an adjustment component.

Benefits of technology

It effectively reduces the waste of hot melt adhesive, prevents it from sticking to the scraper and machine, facilitates cleaning, and improves the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of non-woven fabric processing, in particular to a non-woven fabric hot melt adhesive composite coating machine which comprises a composite lathe, a hot melt adhesive coating machine is fixedly installed on the composite lathe through a supporting frame, a scraper is installed on the side face of the hot melt adhesive coating machine through a fixing frame, and a strip-shaped block is fixedly installed on the side face of the scraper. A plurality of suction heads are fixedly installed on the lower surface of the strip-shaped block, a rectangular block is fixedly installed on the composite lathe, a recovery cavity is formed in the rectangular block and communicates with the rectangular block through a connecting pipe, a recovery pipe is installed on the side face of the rectangular block, and an absorption assembly is arranged in the recovery cavity. According to the hot melt adhesive recycling device, redundant hot melt adhesive is absorbed into the recycling cavity through mutual matching of the absorption assembly, the rectangular block, the connecting pipe, the strip-shaped block and the suction head and is recycled through the recycling pipe, so that waste of the hot melt adhesive is effectively reduced, the hot melt adhesive is prevented from being adhered to a scraper and a machine, and later cleaning is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to non - woven fabric processing technical field especially relates to a kind of non - woven fabric hot melt adhesive composite coating machine. BACKGROUND

[0002] Hot melt adhesive is a plasticity adhesive, its physical state changes with temperature in certain temperature range, while chemical characteristics do not change, it is non-toxic and odorless, belongs to environmental protection type chemical product, non-woven fabric can be bonded with leather by hot melt adhesive, to form composite material, in prior art, mainly by hot melt adhesive composite coating machine is glued to leather surface, then it is compressed again.

[0003] Hot melt adhesive coated by coating machine cannot be completely uniform on the surface of leather, so hot melt adhesive is scraped flat by scraper, in prior art, the excess hot melt adhesive scraped cannot be recycled, hot melt adhesive after cooling can be adhered on scraper and machine, difficult to clean. UTILITY MODEL CONTENT

[0004] The utility model aims at solving following shortcomings in prior art, the excess hot melt adhesive scraped cannot be recycled, hot melt adhesive after cooling can be adhered on scraper and machine, difficult to clean, and a kind of non - woven fabric hot melt adhesive composite coating machine is provided.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of non - woven fabric hot melt adhesive composite coating machine, including composite lathe, hot melt adhesive coating machine is fixedly installed on the composite lathe by support frame, fixed frame is fixedly installed on the side of hot melt adhesive coating machine, scraper is installed on the fixed frame by adjusting assembly, strip-shaped block is fixedly installed on the side of scraper, rectangular cavity is opened in the inside of strip-shaped block, a plurality of suction heads that are connected with the inside of rectangular cavity are fixedly installed on the lower surface of strip-shaped block;

[0007] Rectangular block is fixedly installed on the composite lathe, recycling cavity is opened in the inside of rectangular block, recycling cavity and rectangular cavity are connected by connecting pipe, recycling pipe that is connected with recycling cavity is installed on the side of rectangular block, absorption assembly that makes rectangular cavity produce suction force is arranged in recycling cavity.

[0008] Preferably, the absorption assembly includes a meandering plate vertically slidingly disposed within the recycling cavity, a blocking plate connected to the meandering plate via a connecting member, a moving rod vertically fixedly mounted on an upper surface of the blocking plate, and an electrically controlled cylinder fixedly mounted on an upper end of the rectangular block, the upper end of the rectangular block is provided with a moving hole, the moving rod is sealingly and slidingly mounted within the moving hole, an output shaft of the electrically controlled cylinder is fixedly connected to one end of the moving rod, and a side edge of the meandering plate sealingly slidingly contacts an inner wall of the recycling cavity.

[0009] Preferably, the connecting component comprises two vertical fixedly installed vertical rods on the meander plate, two fixedly installed stoppers on the upper ends of the two vertical rods, and two slidingly sleeved sliders on the two vertical rods, and the two sliders are fixedly connected with the blocking plate.

[0010] Preferably, a threaded hole is formed in the fixing frame, the adjusting assembly comprises an adjusting screw threadedly inserted into the threaded hole and an adjusting block fixedly installed on the upper end of the adjusting screw, and the lower end of the adjusting screw is rotationally connected with the scraper.

[0011] Preferably, two limiting holes are formed in the fixing frame, limiting rods are vertically and slidingly inserted into the two limiting holes, and the two limiting rods are fixedly connected with the scraper.

[0012] Preferably, a sealing ring is fixedly installed on the side edge of the meander plate, and the sealing ring is in sealing sliding contact with the inner wall of the recovery cavity.

[0013] In the utility model, the beneficial effects are:

[0014] The excess hot melt adhesive is accumulated on one side of the scraper, and then the excess hot melt adhesive is absorbed into the recovery cavity through the cooperation of the absorption assembly, the rectangular block, the connecting pipe, the strip-shaped block and the suction head, and is recycled through the recovery pipe, so that the waste of the hot melt adhesive is effectively reduced, the hot melt adhesive is prevented from being adhered to the scraper and the machine, and the device is convenient for cleaning in the later period.

[0015] The distance between the scraper and the leather is adjusted through the cooperation of the adjusting screw, the adjusting block and the limiting rod, so that the thickness of the hot melt adhesive coated on the leather is adjusted, the actual situation can be adjusted, and the practicability of the device is effectively improved. DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic view of a non-woven fabric hot melt adhesive composite coating machine is provided in the utility model;

[0017] Figure 2 A three-dimensional local structure schematic view of a non-woven fabric hot melt adhesive composite coating machine is provided in the utility model;

[0018] Figure 3 A three-dimensional structure schematic view of a scraper, a fixing frame and a rectangular block is provided;

[0019] Figure 4 A three-dimensional local sectional structure schematic view of a rectangular block and an absorption assembly is provided;

[0020] Figure 5 A Figure 2 An enlarged view of structure A in the middle;

[0021] Figure 6 A Figure 4An enlarged view of the structure at B.

[0022] In the figure: 1 composite lathe, 2 hot melt adhesive coating machine, 3 fixed frame, 4 scraper, 5 strip block, 6 suction head, 7 rectangular block, 8 recovery cavity, 9 connecting pipe, 10 recovery pipe, 11 sealing ring, 12 back-shaped plate, 13 blocking plate, 14 moving rod, 15 electric control cylinder, 16 vertical rod, 17 stop block, 18 sliding block, 19 adjusting screw, 20 adjusting block, 21 limiting rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Reference Figures 1-6 A non-woven fabric hot melt adhesive composite coating machine, comprising a composite lathe 1, a hot melt adhesive coating machine 2 is fixedly installed on the composite lathe 1 through a support frame, a fixed frame 3 is fixedly installed on the side surface of the hot melt adhesive coating machine 2, a scraper 4 is installed on the fixed frame 3 through an adjusting assembly, a strip block 5 is fixedly installed on the side surface of the scraper 4, a rectangular cavity is formed in the strip block 5, and a plurality of suction heads 6 that are in communication with the inside of the rectangular cavity are fixedly installed on the lower surface of the strip block 5.

[0025] The composite lathe 1 can press and combine non-woven fabric and glued leather to form a composite material. Before pressing and combining, the hot melt adhesive coating machine 2 can glue the surface of the leather, and after gluing, the scraper 4 can scrape the hot melt adhesive flat, and at this time, the hot melt adhesive will accumulate on one side of the strip block 5 where the scraper 4 is installed.

[0026] A rectangular block 7 is fixedly installed on the composite lathe 1, a recovery cavity 8 is formed in the rectangular block 7, the recovery cavity 8 and the rectangular cavity are in communication through a connecting pipe 9, a recovery pipe 10 that is in communication with the recovery cavity 8 is installed on the side surface of the rectangular block 7, and an absorption assembly that generates suction in the rectangular cavity is arranged in the recovery cavity 8.

[0027] The absorption assembly can draw the air in the rectangular cavity formed in the strip block 5 into the recovery cavity 8 through the connecting pipe 9. Since the air in the rectangular cavity is reduced, the air pressure is reduced, at this time, the plurality of suction heads 6 will generate suction. Under the action of the suction, the excess hot melt adhesive accumulated on one side of the scraper 4 will be sucked into the rectangular cavity, then flow into the recovery cavity 8 through the connecting pipe 9, and finally be discharged through the recovery pipe 10. The discharged hot melt adhesive can be recycled, effectively reducing the waste of hot melt adhesive, preventing the hot melt adhesive from sticking to the scraper 4 and the machine, and facilitating cleaning in the later period.

[0028] The absorption assembly comprises a meander-shaped plate 12 vertically slidingly arranged in the recovery cavity 8, a blocking plate 13 connected with the meander-shaped plate 12 through connecting components, a moving rod 14 vertically fixedly arranged on the upper surface of the blocking plate 13, and an electric control cylinder 15 fixedly arranged on the upper end of the rectangular block 7, wherein the upper end of the rectangular block 7 is provided with a moving hole in which the moving rod 14 is sealingly and slidingly arranged, the output shaft of the electric control cylinder 15 is fixedly connected with one end of the moving rod 14, the side edge of the meander-shaped plate 12 is sealingly and slidingly contacted with the inner wall of the recovery cavity 8, the connecting components comprise two vertical rods 16 fixedly arranged on the meander-shaped plate 12, two stoppers 17 fixedly arranged on the upper ends of the two vertical rods 16 respectively, and two sliding blocks 18 slidingly sleeved on the two vertical rods 16 respectively, the two sliding blocks 18 are fixedly connected with the blocking plate 13, and the meander-shaped plate 12 is fixedly provided with a sealing ring 11 which is sealingly and slidingly contacted with the inner wall of the recovery cavity 8.

[0029] The sealing ring 11 can increase the sealing property between the meander-shaped plate 12 and the inner wall of the recovery cavity 8, and increase the friction force between the meander-shaped plate 12 and the inner wall of the recovery cavity 8, the area of the face of the blocking plate 13 is greater than the area of the inner ring of the meander-shaped plate 12, so that when the blocking plate 13 is contacted with the meander-shaped plate 12, the inner ring of the meander-shaped plate 12 is blocked, the electric control cylinder 15 can drive the moving rod 14 to move up and down on the rectangular block 7, when the moving rod 14 moves vertically downward, the blocking plate 13 is driven to move toward the meander-shaped plate 12, at this time, the blocking plate 13 drives the sliding blocks 18 to move vertically downward on the vertical rods 16, until the blocking plate 13 is contacted with the meander-shaped plate 12, the blocking plate 13 drives the meander-shaped plate 12 to move vertically downward together, when the blocking plate 13 and the meander-shaped plate 12 move together, the space above the meander-shaped plate 12 is enlarged, at this time, the air and hot melt adhesive in the rectangular cavity are sucked into the recovery cavity 8 and above the meander-shaped plate 12, when the moving rod 14 moves vertically upward, the blocking plate 13 is driven to move vertically upward, at this time, the sliding blocks 18 move vertically upward on the vertical rods 16, and the meander-shaped plate 12 does not move due to the influence of the friction force between the meander-shaped plate 12 and the inner wall of the recovery cavity 8, until the sliding blocks 18 are contacted with the stoppers 17, the meander-shaped plate 12 is driven to move upward together, and in the moving process, the meander-shaped plate 12 is separated from the blocking plate 13, at this time, the hot melt adhesive above the meander-shaped plate 12 passes through the inner ring of the meander-shaped plate 12 and stays below the meander-shaped plate 12, and is discharged through the recovery pipe 10, through the continuous up and down movement of the moving rod 14, the excess hot melt adhesive can be continuously recovered into the recovery cavity 8.

[0030] The fixing frame 3 is provided with a threaded hole, the adjusting assembly comprises an adjusting screw 19 threadedly inserted into the threaded hole and an adjusting block 20 fixedly installed on the upper end of the adjusting screw 19, the lower end of the adjusting screw 19 is rotationally connected with the scraper 4, the fixing frame 3 is provided with two limiting holes, two limiting rods 21 are vertically slidably inserted into the two limiting holes, the two limiting rods 21 are both fixedly connected with the scraper 4, when it is needed to adjust the distance between the scraper 4 and the leather, the adjusting block 20 can drive the adjusting screw 19 to rotate, under the action of the threaded hole, the adjusting screw 19 can move up and down on the fixing frame 3, thereby the scraper 4 is driven to move up and down, so that the distance between the scraper 4 and the leather is adjusted, in the adjusting process, the limiting rods 21 can prevent the scraper 4 from rotating with the adjusting screw 19, the adjustment can be made according to actual conditions, and the practicability of the device is effectively improved.

[0031] In the utility model, the air in the rectangular cavity in the strip-shaped block 5 is drawn into the recovery cavity 8 through the connecting pipe 9, because the air in the rectangular cavity is reduced, the air pressure is reduced, the multiple suction heads 6 generate suction force at this time, under the action of the suction force, the excess hot melt adhesive accumulated on one side of the scraper 4 is drawn into the rectangular cavity, then flows into the recovery cavity 8 through the connecting pipe 9, and finally is discharged through the recovery pipe 10, the discharged hot melt adhesive can be recycled, the waste of the hot melt adhesive is effectively reduced, the hot melt adhesive is prevented from adhering to the scraper 4 and the machine, and the device is convenient for cleaning in the later period.

[0032] The above merely describes a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A nonwoven hot melt adhesive compound coater comprising a compound lathe (1), characterized in that, The compound lathe (1) is fixedly installed on the supporting frame, and the hot melt adhesive coating machine (2) is fixedly installed on the side of the hot melt adhesive coating machine (2), and the fixed frame (3) is fixedly installed on the fixed frame (3), and the scraper (4) is installed on the fixed frame (3) through the adjusting assembly, and the strip-shaped block (5) is fixedly installed on the side of the scraper (4), and the rectangular cavity is formed in the strip-shaped block (5), and a plurality of suction heads (6) are fixedly installed on the lower surface of the strip-shaped block (5) and are communicated with the rectangular cavity. The rectangular block (7) is fixedly installed on the compound lathe (1), and the recycling cavity (8) is formed in the rectangular block (7), and the recycling cavity (8) and the rectangular cavity are communicated through the connecting pipe (9), and the recycling pipe (10) is installed on the side of the recycling cavity (8) and is communicated with the recycling cavity (8), and the recycling cavity (8) is provided with the absorption assembly for generating the suction force in the rectangular cavity.

2. The nonwoven hot melt adhesive compound coater according to claim 1, wherein The absorption assembly comprises a meandering plate (12) vertically slidingly arranged in the recycling cavity (8), a blocking plate (13) connected with the meandering plate (12) through a connecting member, a moving rod (14) vertically fixedly installed on the upper surface of the blocking plate (13), and an electric control cylinder (15) fixedly installed on the upper end of the rectangular block (7), wherein the upper end of the rectangular block (7) is provided with a moving hole, the moving rod (14) is sealingly and slidingly installed in the moving hole, the output shaft of the electric control cylinder (15) is fixedly connected with one end of the moving rod (14), and the side edge of the meandering plate (12) is sealingly and slidingly in contact with the inner wall of the recycling cavity (8).

3. The nonwoven hot melt adhesive compound coater according to claim 2, wherein The connecting member comprises two vertical rods (16) fixedly installed on the meandering plate (12), two stop blocks (17) fixedly installed on the upper ends of the two vertical rods (16), and two sliding blocks (18) slidingly sleeved on the two vertical rods (16), and the two sliding blocks (18) are fixedly connected with the blocking plate (13).

4. The nonwoven hot melt adhesive compound coater according to claim 1, wherein The fixed frame (3) is provided with a threaded hole, and the adjusting assembly comprises an adjusting screw (19) threadedly inserted into the threaded hole and an adjusting block (20) fixedly installed on the upper end of the adjusting screw (19), and the lower end of the adjusting screw (19) is rotatably connected with the scraper (4).

5. The nonwoven hot melt adhesive compound coater according to claim 4, wherein The fixed frame (3) is provided with two limiting holes, and a limiting rod (21) is vertically and slidingly inserted into the two limiting holes, and the two limiting rods (21) are fixedly connected with the scraper (4).

6. The nonwoven hot melt adhesive complex coater according to claim 2, wherein The meandering plate (12) is fixedly installed with a sealing ring (11), and the sealing ring (11) is sealingly and slidingly in contact with the inner wall of the recycling cavity (8).