A tufted carpet backsize coating apparatus

Abstract

The application relates to a tufted carpet back adhesive coating device, which comprises a workbench and a rack, the base cloth is conveyed on the workbench, the rack is arranged on the workbench, an adhesive outlet assembly and a filter frame are arranged on the rack, the filter frame is used for filtering impurities in the adhesive and is parallel to the base cloth width direction, and the adhesive outlet of the adhesive outlet assembly is arranged towards the opening of the filter frame. The application has the effect of improving the flatness of the carpet back.

Description

Technical Field

[0001] This application relates to the field of carpet processing technology, and in particular to a tufted carpet backing adhesive coating device. Background Technology

[0002] Tufted carpets are mainly composed of surface pile and a backing fabric. In the production of tufted carpets, coating equipment is used to evenly coat the back of the backing fabric with adhesives and other materials to enhance the bonding strength between the backing fabric and the pile layer, thereby improving the overall wear resistance and other properties of the carpet.

[0003] Existing adhesive application devices typically use an adhesive spraying tube to directly spray the adhesive onto the back of the carpet. However, because impurities are easily mixed into the adhesive during the mixing process, these impurities are easily sprayed onto the base fabric surface along with the adhesive during the application process, forming raised adhesive dots or uneven adhesive layer thickness in some areas. This reduces the flatness of the carpet back and makes it prone to cracking during subsequent cutting and laying, which is a significant drawback. Utility Model Content

[0004] To improve the smoothness of the carpet backing, this application provides a tufted carpet backing adhesive coating device.

[0005] The technical solution of the tufted carpet backing adhesive coating equipment provided in this application is as follows: A tufted carpet backing adhesive coating device includes a workbench and a frame. A base fabric is conveyed on the workbench, and the frame is mounted on the workbench. An adhesive dispensing component and a filter frame are provided on the frame. The filter frame is used to filter impurities in the adhesive and is parallel to the width direction of the base fabric. The adhesive dispensing port of the adhesive dispensing component is arranged facing the opening of the filter frame.

[0006] By adopting the above technical solution, during the adhesive application process, the adhesive first flows through the filter frame, which intercepts impurities in the adhesive inside the filter frame. The filtered adhesive then flows to the surface of the base fabric. Compared with the existing technology, filtering impurities in the adhesive through the filter frame reduces the possibility of impurities being coated onto the back of the base fabric with the adhesive, thereby forming raised adhesive dots and improving the smoothness of the carpet back.

[0007] Optionally, the dispensing assembly includes a main dispensing tube disposed on the frame, and a plurality of dispensing tubes are evenly and equidistantly arranged along the length direction of the main dispensing tube. Each dispensing tube is provided with a dispensing nozzle and a regulating valve, and the regulating valve is used to regulate the adhesive flow rate.

[0008] By adopting the above technical solution, when there is too much adhesive in the filter frame, the worker can use the regulating valve to reduce the dispensing speed of the dispensing nozzle, thereby reducing the accumulation speed of adhesive in the filter frame, reducing the risk of adhesive overflowing the filter frame due to excess and causing waste, and ensuring that the adhesive is kept in an appropriate amount in the filter frame for stable filtration.

[0009] Optionally, the filter frame is detachably connected to the frame on both opposite sides via a connecting assembly. The connecting assembly includes a mounting base disposed on the inner side wall of the frame, a insertion slot provided in the mounting base, an insertion plate disposed on the filter frame that engages with the insertion slot, a sliding groove provided in the mounting base, a locking block slidably connected in the sliding groove, a locking groove disposed on the insertion plate that engages with the locking block, and an installation assembly disposed on the mounting base that drives the locking block to insert into or disengage from the locking groove.

[0010] By adopting the above technical solution, when the filter frame accumulates a lot of impurities due to long-term use and affects the filtration effect, the worker uses the installation component to drive the locking block out of the locking slot, then lifts the filter frame upward to make it separate from the mounting base. After disassembly, the plug plate on the new filter frame is inserted into the plug slot, and finally the installation component is used to drive the locking block into the locking slot. In this way, the filter frame is easily replaced when it is saturated, ensuring that the adhesive filtration effect is always in good condition.

[0011] Optionally, the mounting assembly includes a drive column, the inner wall of the sliding groove is provided with a drive groove that slides with the drive column, the bottom end of the drive column is provided with a connecting groove, the locking block is provided with a connecting block that slides in the connecting groove, the inner wall opposite to the connecting groove is provided with a guide groove, the guide groove is inclined from bottom to top along the direction close to the plug-in plate, and the connecting block is provided with a guide block that slides with the guide groove.

[0012] By adopting the above technical solution, the worker pulls the drive column to slide up and down in the drive groove. The drive column drives the connecting block to move, and the connecting block drives the guide block to slide along the inclined guide groove. Since the locking block is slidably connected inside the sliding groove, when the guide block slides, it will push the locking block to move towards or away from the plug-in plate, thereby realizing the plug-in engagement or disengagement of the locking block and the locking groove. The installation of the components only requires the worker to slide the drive column to complete the locking and unlocking of the filter frame, which further simplifies the disassembly and assembly process of the filter frame and improves the convenience of disassembly and assembly for workers.

[0013] Optionally, the mounting assembly further includes an outer nut sleeved on the end of the drive column, and the mounting base has a threaded groove that engages with the outer nut. When the outer nut is tightened in the threaded groove, the guide block is located at the end of the guide groove near the plug plate, and the locking block is inserted into the locking groove.

[0014] By adopting the above technical solution, the worker rotates the outer nut to continuously screw it into the threaded groove. At this time, the outer nut pushes the drive column to move downward. The drive column pushes the locking block to move towards the locking groove through the guide block and the connecting block. When the outer nut is tightened, the locking block is inserted into the locking groove, thereby realizing the connection between the plug plate and the mounting base. The friction between the outer nut and the threaded groove fixes the drive column, thereby keeping the locking block stably in the state of being inserted into the locking groove. This reduces the loosening or displacement of the filter frame during operation and improves the installation stability of the filter frame on the frame.

[0015] Optionally, the mounting assembly further includes a return spring sleeved on the outer surface of the drive post. The spring force of the return spring drives the guide post to move upward. In the natural state of the return spring, the guide block is located at the end of the guide groove away from the plug plate, and the locking post disengages from the locking groove.

[0016] By adopting the above technical solution, after the outer nut is unscrewed from the threaded groove, the elastic force of the return spring will drive the drive column to move upward, causing the guide block on the connecting block to slide along the guide groove to the end away from the plug plate, thereby causing the locking block to disengage from the locking groove and realizing the automatic unlocking of the filter frame. In this way, the worker does not need to apply additional pulling or pushing force to operate the locking block. He only needs to unscrew the outer nut, and the elastic force of the return spring can quickly complete the unlocking process of the filter frame, further simplifying the disassembly steps of the filter frame and improving the convenience of disassembly and assembly for workers.

[0017] Optionally, an applicator roller is rotatably connected to the frame, the applicator roller being located below the filter frame and abutting against the surface of the base fabric.

[0018] By adopting the above technical solution, during the rotation of the coating roller, the coating roller performs secondary homogenization on some of the adhesive that is directly dripped or sprayed onto the base fabric, thereby reducing the possibility of local accumulation of adhesive leading to uneven thickness, improving the uniformity of adhesive coating, and thus improving the flatness of the carpet back.

[0019] Optionally, baffles are provided on both opposite sides of the frame, and the two baffles are located on both sides of the base fabric in the width direction and abut against the surface of the base fabric.

[0020] By adopting the above technical solution, the baffles on both sides can block the edge of the base fabric during the adhesive coating process, effectively preventing the adhesive from overflowing from both sides of the base fabric in the width direction, thus avoiding adhesive waste and pollution of the surrounding environment.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting a filter frame, this application filters impurities in the adhesive, which reduces the possibility of impurities being coated onto the back of the base fabric with the adhesive and forming raised adhesive dots, thereby improving the flatness of the carpet back. 2. This application, by setting up a connecting component and an installation component, allows workers to use the installation component to drive the locking block out of the locking slot when the filter frame accumulates a lot of impurities due to long-term use, thus affecting the filtration effect. Then, the filter frame is lifted upwards to detach it from the mounting base. After disassembly, the plug plate on the new filter frame is inserted into the plug slot. Finally, the installation component is used to drive the locking block into the locking slot, thereby completing the convenient replacement of the filter frame when it is saturated, ensuring that the adhesive filtration effect is always in good condition. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this application.

[0023] Figure 2 This is an exploded view of the connection plate and mounting base in an embodiment of this application.

[0024] Figure 3 This is a cross-sectional view of the mounting base in an embodiment of this application.

[0025] Figure 4 This is an exploded view of the drive column and connecting block in an embodiment of this application.

[0026] Explanation of reference numerals in the attached drawings: 01, base fabric; 1, workbench; 2, frame; 3, glue dispensing assembly; 31, main glue hose; 32, branch glue hose; 33, glue dispensing nozzle; 34, regulating valve; 4, filter frame; 5, glue baffle; 6, motor; 61, application roller; 7, connecting assembly; 71, mounting base; 711, insertion groove; 712, sliding groove; 713, drive groove; 714, threaded groove; 715, receiving groove; 72, insertion plate; 721, locking groove; 73, locking block; 8, mounting assembly; 81, drive column; 811, connecting groove; 812, guide groove; 82, connecting block; 83, guide block; 84, outer nut; 85, return spring. Detailed Implementation

[0027] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0028] This application discloses an adhesive coating device for tufted carpets.

[0029] Reference Figure 1A tufted carpet backing adhesive coating device includes a workbench 1 and a frame 2. The workbench 1 is used to convey a base fabric 01. The frame 2 is fixedly mounted on the workbench 1 in a gantry shape. The frame 2 is equipped with an adhesive dispensing assembly 3. The adhesive dispensing assembly 3 includes a main adhesive pipe 31 fixedly mounted on the frame 2. The adhesive inlet of the main adhesive pipe 31 is connected to an adhesive supply device. The adhesive supply device is existing technology and will not be described in detail here.

[0030] Reference Figure 1 The main adhesive tube 31 is parallel to the width direction of the base fabric 01. Multiple branch adhesive tubes 32 are evenly installed at equal intervals along the length direction of the main adhesive tube 31. The multiple branch adhesive tubes 32 together cover the width range of the base fabric 01. Each branch adhesive tube 32 is equipped with an adhesive nozzle 33 for dispensing adhesive.

[0031] Reference Figure 1 The frame 2 is equipped with a filter frame 4 for filtering impurities in the adhesive. The filter frame 4 is parallel to the width direction of the base fabric 01. The dispensing direction of multiple glue nozzles 33 is set towards the opening of the filter frame 4. The inner sidewalls of the frame 2 are fixedly connected with glue baffles 5. The two glue baffles 5 are set on both sides of the width direction of the base fabric 01 and abut against the surface of the base fabric 01. During the glue application process, the glue baffles 5 block the edge of the base fabric 01 to prevent the adhesive from overflowing from both sides of the width direction of the base fabric 01.

[0032] During the adhesive application process, the adhesive is delivered through the main adhesive tube 31 to the interior of each individual adhesive tube 32 and finally flows out from the dispensing nozzle 33. As the adhesive descends, it first flows through the filter frame 4, which traps impurities in the adhesive. The filtered adhesive then flows to the surface of the base fabric 01. Compared to existing technologies, filtering impurities in the adhesive through the filter frame 4 reduces the possibility of impurities being coated onto the back of the base fabric 01 with the adhesive, thus forming raised adhesive dots and improving the smoothness of the carpet back.

[0033] Reference Figure 1 To further improve the flatness of the carpet back, a motor 6 is fixedly connected to the outer surface of the frame 2. The output shaft of the motor 6 is coaxially fixedly connected to an applicator roller 61. The applicator roller 61 is located below the filter frame 4 and abuts against the surface of the base fabric 01. During the rotation of the applicator roller 61, the applicator roller 61 performs secondary homogenization on some of the adhesive that is directly dripped or sprayed onto the base fabric 01, thereby reducing the possibility of local accumulation of adhesive that leads to uneven thickness.

[0034] Reference Figure 1 Each dispensing tube 32 is equipped with a regulating valve 34 for adjusting the adhesive flow rate. When there is too much adhesive in the filter frame 4, the worker uses the regulating valve 34 to reduce the dispensing speed of the dispensing nozzle 33, thereby reducing the accumulation rate of adhesive in the filter frame 4 and ensuring that the adhesive is kept in an appropriate amount for stable filtration.

[0035] Reference Figure 2 and Figure 3 Both sides of the filter frame 4 are detachably connected to the frame 2 via the connecting components 7. When the filter frame 4 accumulates a lot of impurities due to long-term use and affects the filtration effect, the worker uses the connecting components 7 to remove the saturated filter frame 4 and then installs a new filter frame 4 on the frame 2, thereby ensuring that the adhesive filtration effect is always in good condition.

[0036] Reference Figure 2 and Figure 3 Specifically, the connecting component 7 includes a mounting base 71 fixedly connected to the inner side wall of the frame 2. The mounting base 71 has a plug-in groove 711. The filter frame 4 has a plug-in plate 72 that is plugged into the plug-in groove 711. The mounting base 71 has a sliding groove 712 along the width direction of the base fabric 01. A locking block 73 is slidably connected in the sliding groove 712. The plug-in plate 72 has a locking groove 721 that is plugged into the locking block 73. When the locking block 73 is inserted into the locking groove 721, the plug-in plate 72 is fixed on the mounting base 71.

[0037] Reference Figure 3 and Figure 4 The mounting base 71 has a drive groove 713 that communicates with the sliding groove 712. The drive groove 713 is perpendicular to the sliding groove 712. The drive groove 713 has a mounting component 8 inside. Specifically, the mounting component 8 includes a drive column 81 that is slidably connected in the drive groove 713. The bottom end of the drive column 81 has a connecting groove 811. The end of the locking block 73 extends into the drive groove 713 and is fixedly connected to a connecting block 82. The connecting block 82 is slidably disposed in the connecting groove 811 and has guide blocks 83 fixedly connected to its opposite ends. The inner sidewall of the connecting groove 811 has a guide groove 812 that slides with the guide block 83. The guide groove 812 is inclined from bottom to top along the direction close to the plug-in plate 72.

[0038] Reference Figure 3 and Figure 4 The end of the drive column 81 away from the connecting block 82 is fitted with an outer nut 84. The mounting base 71 is provided with a threaded groove 714 that is threaded to the outer nut 84. The threaded groove 714 is located on the outer periphery of the drive groove 713. When the outer nut 84 is tightened in the threaded groove 714, the guide block 83 is set at the end of the guide groove 812 near the plug plate 72. At this time, the locking block 73 is inserted into the locking groove 721.

[0039] Reference Figure 3 and Figure 4A reset spring 85 is fixedly sleeved on the outer surface of the drive column 81. A receiving groove 715 for placing the reset spring 85 is opened on the inner side wall of the drive groove 713. One end of the reset spring 85 is fixedly connected to the inner side wall of the receiving groove 715, and the other end is fixedly connected to the outer surface of the drive column 81. The elastic force of the reset spring 85 drives the guide column to move upward. In the natural state of the reset spring 85, the guide block 83 is located at the end of the guide groove 812 away from the plug plate 72, and the locking column disengages from the locking groove 721.

[0040] When the filter frame 4 needs to be replaced due to saturation, the worker first unscrews the outer nut 84 from the threaded groove 714. At this time, the pressure of the outer nut 84 on the drive column 81 gradually decreases. The reset spring 85 resets and drives the drive column 81 to move upward. The guide groove 812 on the drive column 81 moves upward relative to the guide block 83. Since the locking block 73 is slidably connected inside the sliding groove 712, the guide block 83 will gradually move away from the locking groove 721 along the guide groove 812. The guide block 83 pulls the locking block 73 away from the locking groove 721 through the connecting block 82. Finally, the worker pulls the plug plate 72 upward to make it separate from the plug groove 711, and the filter frame 4 is separated from the frame 2. After disassembly, the worker first inserts the plug plate 72 on the new filter frame 4 into the plug slot 711, and then screws the outer nut 84 into the threaded groove 714. At this time, the outer nut 84 pushes the drive column 81 to move downward. During the downward movement of the drive column 81, the guide block 83 moves along the guide groove 812 toward the direction close to the locking groove 721. When the outer nut 84 is tightened, the locking block 73 is inserted into the locking groove 721, and the plug plate 72 is fixed in the mounting base 71 by the locking column, thereby realizing the installation of the filter frame 4. During the glue application process, the drive column 81 is kept stable by the friction between the outer nut 84 and the threaded groove 714, reducing the possibility of the filter frame 4 loosening or shifting during operation.

[0041] The implementation principle of the tufted carpet backing adhesive coating device in this application embodiment is as follows: During the coating process, the adhesive is transported through the main adhesive tube 31 to the interior of each branch adhesive tube 32 and finally flows out from the adhesive outlet 33. As the adhesive descends, it first flows through the filter frame 4, which intercepts impurities in the adhesive inside the filter frame 4. The filtered adhesive flows to the surface of the base fabric 01. Compared with the prior art, the impurities in the adhesive are filtered by the filter frame 4, thereby reducing the possibility of impurities being coated onto the back of the base fabric 01 with the adhesive and forming raised adhesive dots, thereby improving the flatness of the carpet back.

[0042] The above are all 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 tufted carpet backing adhesive coating device, comprising a workbench (1) and a frame (2), wherein a base fabric (01) is conveyed on the workbench (1), and the frame (2) is mounted on the workbench (1), characterized in that, The frame (2) is provided with a glue dispensing component (3) and a filter frame (4). The filter frame (4) is used to filter impurities in the adhesive and is parallel to the width direction of the base fabric (01). The glue dispensing port of the glue dispensing component (3) is arranged facing the opening of the filter frame (4).

2. The tufted carpet backing adhesive coating equipment according to claim 1, characterized in that, The dispensing assembly (3) includes a main dispensing tube (31) disposed on the frame (2). The main dispensing tube (31) is provided with a plurality of dispensing tubes (32) evenly spaced along its length. Each dispensing tube (32) is provided with a dispensing nozzle (33) and a regulating valve (34). The regulating valve (34) is used to regulate the flow rate of the adhesive.

3. The tufted carpet backing adhesive coating equipment according to claim 1, characterized in that, The filter frame (4) is detachably connected to the frame (2) on both sides by a connecting assembly (7). The connecting assembly (7) includes a mounting base (71) disposed on the inner side wall of the frame (2). The mounting base (71) has a plug-in groove (711) in it. The filter frame (4) is provided with a plug-in plate (72) that plugs into the plug-in groove (711). The mounting base (71) has a sliding groove (712) in it. A locking block (73) is slidably connected in the sliding groove (712). The plug-in plate (72) has a locking groove (721) that plugs into the locking block (73). The mounting base (71) is provided with an installation assembly (8). The installation assembly (8) drives the locking block (73) to insert into or disengage from the locking groove (721).

4. The tufted carpet backing adhesive coating equipment according to claim 3, characterized in that, The mounting assembly (8) includes a drive column (81), and the inner wall of the sliding groove (712) is provided with a drive groove (713) that slides and engages with the drive column (81). The bottom end of the drive column (81) is provided with a connecting groove (811). The locking block (73) is provided with a connecting block (82) that slides and engages with the connecting groove (811). The inner wall opposite to the connecting groove (811) is provided with a guide groove (812). The guide groove (812) is inclined from bottom to top along the direction close to the plug-in plate (72). The connecting block (82) is provided with a guide block (83) that slides and engages with the guide groove (812).

5. The tufted carpet backing adhesive coating equipment according to claim 4, characterized in that, The mounting assembly (8) also includes an outer nut (84) sleeved on the end of the drive column (81). The mounting base (71) has a threaded groove (714) that is threaded to the outer nut (84). When the outer nut (84) is tightened in the threaded groove (714), the guide block (83) is located at the end of the guide groove (812) near the plug plate (72), and the locking block (73) is inserted into the locking groove (721).

6. The tufted carpet backing adhesive coating equipment according to claim 4, characterized in that, The mounting assembly (8) also includes a return spring (85) sleeved on the outer surface of the drive post (81). The elastic force of the return spring (85) drives the guide post to move upward. In the natural state of the return spring (85), the guide block (83) is located at the end of the guide groove (812) away from the plug plate (72), and the locking post disengages from the locking groove (721).

7. The tufted carpet backing adhesive coating equipment according to claim 1, characterized in that, An applicator roller (61) is rotatably connected to the frame (2). The applicator roller (61) is located below the filter frame (4) and abuts against the surface of the base fabric (01).

8. The tufted carpet backing adhesive coating equipment according to claim 1, characterized in that, The frame (2) is provided with baffle plates (5) on both sides opposite to each other. The two baffle plates (5) are provided on both sides of the base fabric (01) in the width direction and abut against the surface of the base fabric (01).

Images