Intelligent cloth feeding mechanism for quilting machine

Abstract

The utility model discloses an intelligent cloth feeding mechanism for a quilting machine, relates to the technical field of quilting machines, and aims to solve the technical problem that when a current intelligent cloth feeding mechanism is used for conveying silky fabrics, the silky fabrics are easy to fold or deflect due to uneven local stress, and the intelligent cloth feeding mechanism comprises a mounting frame. The two sets of conveying roller shafts are composed of the polyurethane supporting shafts, the porous silica gel inner layers and the silica gel outer layers, the polyurethane supporting shafts provide stable structural support, the shape stability of the conveying roller shafts in the rotating process is guaranteed, the porous silica gel inner layers and the silica gel outer layers have good buffering performance and air permeability, pressure can be better dispersed, and the conveying roller shafts can be prevented from being damaged. Meanwhile, heat accumulation caused by friction is reduced, a plurality of sets of hemispherical elastic protrusions are distributed on the silica gel outer layer at equal intervals, when the conveying roller shaft makes contact with the fabric, the shapes of the elastic protrusions change along with increase of pressure, elastic deformation is uniform, and therefore the contact area between the conveying roller shaft and the fabric is increased, and the pressure is further dispersed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the quilting machine technical field more specifically, relate to a kind of intelligent cloth feeding mechanism for quilting machine. BACKGROUND

[0002] With the development of intelligent manufacturing, the Internet of Things (IoT) as a bridge connecting the physical world and the digital world, is gradually penetrating into various industries. In the field of textile machinery, especially on the application of the Internet of Things technology on the quilting machine, it can greatly improve the intelligent level and production efficiency of the equipment. The intelligent cloth feeding mechanism is a crucial part of the quilting machine, and its performance directly affects the quality and efficiency of quilting. The intelligent cloth feeding mechanism usually uses a double roller shaft structure with adjustable pressure to convey the cloth, and an encoder is installed at one end of the main roller shaft to monitor the cloth feeding position in real time. The controller automatically adjusts the motor speed according to the encoder data to accurately control the cloth feeding.

[0003] The existing intelligent cloth feeding mechanism conveys silk fabric, which has a smooth surface and soft texture. During the clamping and conveying process of the two groups of rollers, uneven local stress may occur, leading to wrinkles or skewing problems. In view of this, we propose an intelligent cloth feeding mechanism for quilting machine. SUMMARY

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide an intelligent cloth feeding mechanism for quilting machine to solve the technical problem of uneven local stress leading to wrinkles or skewing when the current intelligent cloth feeding mechanism conveys silk fabric.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: an intelligent cloth feeding mechanism for quilting machine, comprising a mounting frame, a placing rack is arranged on one side of the mounting frame, two groups of conveying rollers are arranged vertically in the center of the mounting frame, and the two groups of conveying rollers are rotatably arranged, a guide roller is rotatably arranged in front of and behind the conveying rollers in the mounting frame, a driving structure is arranged on the rear side of the mounting frame, an encoder is connected to one end of the conveying roller below the mounting frame, the conveying roller comprises a polyurethane support shaft, a porous silica gel inner layer is arranged on the polyurethane support shaft, a silica gel outer layer is arranged on the porous silica gel inner layer, and a plurality of elastic protrusions are equidistantly arranged on the surface of the silica gel outer layer.

[0006] The elastic protrusions on the silica gel outer layer are arranged in a spiral line staggered manner, and the circumferential phase difference between adjacent two rows of elastic protrusions is 60-90 degrees.

[0007] Preferably, the placing frame comprises two sets of mounting plates, the two sets of mounting plates are arranged on the mounting frame, and the placing rollers are rotatably arranged between the two sets of mounting plates, the second rectangular holes are formed in the mounting plates, the second mounting blocks are slidably arranged in the second rectangular holes, one set of the placing rollers is rotatably connected with the second mounting blocks, the second electric hydraulic push rods are arranged on the mounting plates, and the piston ends of the second electric hydraulic push rods are connected with the second mounting blocks.

[0008] Preferably, the limiting rods are inserted into both ends of the top of one side of the mounting plate, the baffles are arranged at one end of the limiting rods penetrating through the mounting plate, the baffles are located above the placing rollers, the adjusting screws are arranged at the central top of one side of the mounting plate, and one end of the adjusting screws penetrating through the mounting plate is rotatably connected with the baffles.

[0009] Preferably, the first rectangular holes are formed in the central top of both sides of the mounting frame, the first mounting blocks are slidably arranged in the first rectangular holes, the first mounting blocks are rotatably connected with the upper conveying rollers, the first electric hydraulic push rods are arranged at the central top of the mounting frame, and the piston ends of the first electric hydraulic push rods are connected with the first mounting blocks.

[0010] Preferably, the driving structure comprises a motor, a first belt pulley, a transmission belt and a second belt pulley, the motor is arranged on the mounting frame, the first belt pulley is arranged on the rotating shaft of the output end of the motor, the second belt pulley is arranged at one end of the lower conveying roller, and the transmission belt is arranged between the second belt pulley and the first belt pulley.

[0011] Preferably, the elastic protrusions are hollow structures, and the elastic protrusions are filled with compressible fluid.

[0012] Compared with the prior art, the placing frame has the beneficial effects that:

[0013] 1. The two groups of conveying rollers of the utility model are composed of polyurethane support shaft, porous silica gel inner layer and silica gel outer layer, the polyurethane support shaft provides stable structural support, guarantees the shape stability of the conveying roller in the rotating process, the porous silica gel inner layer and silica gel outer layer have good buffering performance and air permeability, can better disperse the pressure, simultaneously reduces the heat accumulation due to friction, and a plurality of groups of elastic protrusions are distributed equidistantly on the silica gel outer layer, the elastic protrusions are semispherical, when the conveying roller contacts the fabric, with the increase of the pressure, the shape of the elastic protrusion changes, the elastic deformation is uniform, thereby increasing the contact area with the fabric, further dispersing the pressure, avoiding the local pressure concentration, when the pressure decreases, the elastic protrusion can restore to the original shape, guaranteeing the normal rotation of the conveying roller, thereby effectively avoiding the uneven local stress of the two groups of conveying rollers when clamping and conveying the fabric, leading to the wrinkle or deflection, solving the technical problem that the current intelligent cloth feeding mechanism is prone to uneven local stress when conveying the smooth fabric, leading to the wrinkle or deflection, therefore, the utility model has better fabric conveying effect and is not prone to wrinkle or deflection.

[0014] 2. The elastic protrusions on the silica gel outer layer are arranged in spiral lines in staggered arrangement, and the circumferential phase difference of the adjacent two rows of elastic protrusions is 60-90 degrees, the arrangement mode can avoid the "straight line indentation" caused by the traditional matrix arrangement, the stress points on the fabric surface are distributed in spiral, the pressure is uniformly dispersed, the contact points of the elastic protrusions and the fabric continuously change when the conveying roller rotates, the local area is repeatedly pressed, and the wrinkle risk is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first overall structure schematic view of the utility model;

[0016] Figure 2 It is the second overall structure schematic view of the utility model;

[0017] Figure 3 It is the placing rack structure schematic view of the utility model;

[0018] Figure 4 It is the conveying roller structure schematic view of the utility model;

[0019] Figure 5 It is the elastic protrusion structure schematic view of the utility model.

[0020] Explanation of reference numerals in the drawing:

[0021] 1, mounting frame; 101, first rectangular hole; 102, first mounting block; 103, first electric hydraulic push rod; 2, placing rack; 201, mounting plate; 202, placing roller shaft; 203, second rectangular hole; 204, second mounting block; 205, second electric hydraulic push rod; 206, baffle; 207, limiting rod; 208, adjusting screw; 3, guide roller shaft; 4, conveying roller shaft; 401, polyurethane support shaft; 402, porous silica gel inner layer; 403, silica gel outer layer; 404, elastic protrusion; 5, encoder; 6, drive structure; 601, motor; 602, first pulley; 603, transmission belt; 604, second pulley. DETAILED DESCRIPTION

[0022] As Figures 1 to 5 shown, the utility model relates to a kind of intelligent cloth feeding mechanism for quilting machine, including mounting frame 1, and mounting frame 1 side is arranged with placing rack 2, and two groups of conveying roller shaft 4 are arranged in the vertical direction in the central part of mounting frame 1, and two groups of conveying roller shaft 4 are rotationally arranged, and guide roller shaft 3 is rotationally arranged in the front and back of conveying roller shaft 4 in the central part of mounting frame 1, and drive structure 6 is arranged at the rear side of mounting frame 1, and encoder 5 is arranged at the front side of mounting frame 1 and is connected with the one end of conveying roller shaft 4 in the lower middle of mounting frame 1, and encoder 5 is used for real-time monitoring cloth feeding length, simultaneously data is uploaded to Internet of Things platform to store and analyze. Conveying roller shaft 4 includes polyurethane support shaft 401, and porous silica gel inner layer 402 is arranged on polyurethane support shaft 401, and silica gel outer layer 403 is arranged on porous silica gel inner layer 402, and a plurality of groups of elastic protrusions 404 are equidistantly arranged on the surface of silica gel outer layer 403;First rectangular hole 101 is formed in the central part of the top of both sides of mounting frame 1, and first mounting block 102 is slidably arranged in first rectangular hole 101, and first mounting block 102 is rotationally connected with conveying roller shaft 4 above, and first electric hydraulic push rod 103 is arranged in the central part of the top of mounting frame 1, and the piston end of first electric hydraulic push rod 103 is connected with first mounting block 102;Elastic protrusion 404 is hollow structure inside, and compressible fluid is filled in elastic protrusion 404;

[0023] When the fabric is conveyed, first put the fabric roll on the rack 2, then the free end of the fabric roll is guided through the guide roller 3 on one side, then through the two groups of conveying rollers 4, then the first mounting block 102 is lowered by the first electric hydraulic push rod 103, then the upper conveying roller 4 is lowered by the first mounting block 102, at this time the upper and lower conveying rollers 4 clamp the fabric, then the lower conveying roller 4 is driven to rotate by the driving structure 6, the fabric is conveyed by the lower conveying roller 4 cooperating with the upper conveying roller 4, and the conveyed fabric is guided through the guide roller 3 on the other side and then enters the pulling roller of the quilting machine to be quilted with the sponge and the base cloth. In this process, the encoder 5 monitors the fabric conveying length in real time, so as to achieve the effect of monitoring the fabric conveying position. The controller automatically adjusts the rotating speed of the conveying roller 4 driven by the driving structure 6 according to the data of the encoder 5, so as to accurately control the fabric conveying;

[0024] When the fabric to be conveyed is a smooth surface and soft texture silk fabric, the polyurethane support shaft 401 provides stable structural support to ensure the shape stability of the conveying roller 4 during rotation. The porous silica gel inner layer 402 and the silica gel outer layer 403 have good buffering performance and air permeability, which can better disperse the pressure and reduce the heat accumulation caused by friction. When the conveying roller 4 contacts the fabric, the hemispherical elastic protrusions 404 of the silica gel outer layer 403 change in shape with the increase of pressure, and the elastic protrusions 404 uniformly deform in elasticity, thereby increasing the contact area with the fabric and further dispersing the pressure to avoid local pressure concentration. When the pressure decreases, the elastic protrusions 404 can restore to the original shape, ensuring the normal rotation of the conveying roller 4, so that the uneven local stress caused by the two groups of conveying rollers 4 clamping and conveying the fabric can be effectively avoided to cause wrinkles or deflection.

[0025] Specific, the rack 2 includes two groups of mounting plates 201, two groups of mounting plates 201 are arranged on the mounting frame 1, and the two groups of mounting plates 201 are rotatably arranged with the placing roller shaft 202, the second rectangular hole 203 is formed in the mounting plate 201, and the second mounting block 204 is slidably arranged in the second rectangular hole 203, one group of placing roller shafts 202 is rotatably connected with the second mounting block 204, the second electric hydraulic push rod 205 is arranged on the mounting plate 201, and the piston end of the second electric hydraulic push rod 205 is connected with the second mounting block 204; the two ends of the top of one side of the mounting plate 201 are inserted into the limiting rod 207, the end of the limiting rod 207 penetrating through the mounting plate 201 is provided with the baffle 206, the baffle 206 is located above the placing roller shaft 202, the adjusting screw 208 is arranged on the top of one side of the mounting plate 201, and one end of the adjusting screw 208 penetrating through the mounting plate 201 is rotatably connected with the baffle 206; when the fabric roll is placed, according to the size of the fabric roll, personnel can drive the second mounting block 204 to move through the second electric hydraulic push rod 205, then the second mounting block 204 drives the corresponding group of placing roller shafts 202 to move, so that the spacing of the two groups of placing roller shafts 202 is adjusted, different sizes of fabric rolls are facilitated to be placed, then according to the different lengths of the fabric roll, personnel can drive the baffle 206 to move by screwing the adjusting screw 208, the spacing of the two groups of baffles 206 is adjusted, so that the fabric roll is shielded and limited, and the fabric roll is stably placed.

[0026] Further, the driving structure 6 includes a motor 601, a first belt pulley 602, a transmission belt 603 and a second belt pulley 604, the motor 601 is arranged on the mounting frame 1, the first belt pulley 602 is arranged on the rotating shaft of the output end of the motor 601, the second belt pulley 604 is arranged on one end of the lower conveying roller shaft 4, and the transmission belt 603 is arranged in transmission between the second belt pulley 604 and the first belt pulley 602; the motor 601 can drive the first belt pulley 602 to rotate, then the first belt pulley 602 drives the second belt pulley 604 to rotate through the transmission belt 603, and the second belt pulley 604 drives the lower conveying roller shaft 4 to rotate.

[0027] In the embodiment of the utility model, the elastic protrusions 404 on the silica gel outer layer 403 are arranged in spiral lines in staggered arrangement, and the circumferential phase difference between the two adjacent rows of elastic protrusions 404 is 60-90 degrees.

[0028] The arrangement mode that the elastic protrusions 404 are arranged in spiral lines in staggered arrangement and the circumferential phase difference between the two adjacent rows of elastic protrusions 404 is 60-90 degrees can avoid the "straight line indentation" caused by the traditional matrix arrangement, the stress points on the fabric surface are distributed in spiral, the pressure is uniformly dispersed, the contact points of the elastic protrusions 404 and the fabric continuously change when the conveying roller shaft 4 rotates, the local area repeatedly pressed is reduced, and the wrinkle risk is further reduced.

[0029] Working principle: the embodiment provides a kind of intelligent cloth feeding mechanism for quilting machine, first, when fabric is transported, fabric roll is placed on the rack 2, then the free end of fabric roll is guided through one side guide roller 3, then pass between two groups of conveying roller 4, then the first mounting block 102 is driven by the first electric hydraulic push rod 103 to descend, then the first mounting block 102 drives the upper conveying roller 4 to descend, at this time, the upper and lower two groups of conveying roller 4 clamp the fabric, then the lower conveying roller 4 is rotated by drive structure 6, and the fabric is transported by the lower conveying roller 4 in cooperation with the upper conveying roller 4, after the cloth is transported and guided by the other side guide roller 3, it enters the pulling roller of quilting machine in turn and is processed with sponge and base cloth, in this process, encoder 5 monitors the cloth feeding length in real time, so as to achieve the effect of monitoring the cloth feeding position, and the controller automatically adjusts the rotating speed of conveying roller 4 driven by drive structure 6 according to the data of encoder 5, so as to accurately control the cloth feeding.

[0030] Secondly, when the fabric for cloth feeding is smooth surface and soft silk fabric, the polyurethane support shaft 401 provides stable structural support to ensure the shape stability of the conveying roller 4 during rotation, the porous silica gel inner layer 402 and the silica gel outer layer 403 have good buffering performance and air permeability, which can better disperse the pressure and reduce the heat accumulation caused by friction, when the conveying roller 4 contacts with the fabric, the hemispherical elastic protrusion 404 of the silica gel outer layer 403 changes shape with the increase of pressure, and the elastic protrusion 404 deforms uniformly, so as to increase the contact area with the fabric and further disperse the pressure, and avoid local pressure concentration, when the pressure decreases, the elastic protrusion 404 can restore to the original shape, to ensure the normal rotation of the conveying roller 4, so that the uneven stress caused by the two groups of conveying roller 4 during clamping and conveying the fabric can be effectively avoided.

[0031] Finally, the elastic protrusion 404 is arranged in a spiral line staggered arrangement, and the circumferential phase difference between the adjacent two rows of elastic protrusions 404 is 60-90 degrees, which can avoid the "straight line indentation" caused by traditional matrix arrangement, so that the stress points on the surface of the fabric are distributed in a spiral manner, the pressure is uniformly dispersed, the contact points between the elastic protrusion 404 and the fabric change continuously when the conveying roller 4 rotates, the local area is repeatedly pressed, and the risk of wrinkles is further reduced.

[0032] The embodiment of the utility model discloses the better embodiment, but is not limited to this, the ordinary skill of the art, the spirit of the utility model is easily understood according to the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. An intelligent fabric feeding mechanism for a quilting machine, characterized in that, The utility model provides a kind of automatic feeding device for the production of silica gel, including mounting frame (1), the mounting frame (1) one side is arranged with placing rack (2), the inside central direction of the mounting frame (1) is arranged with two groups of conveying roller shafts (4), and two groups of conveying roller shafts (4) are rotationally arranged, the inside of the mounting frame (1) is rotationally arranged with guide roller shaft (3) before and after conveying roller shaft (4), the rear side of the mounting frame (1) is arranged with driving structure (6), the front side of the mounting frame (1) is arranged with encoder (5) connected with the one end of conveying roller shaft (4) in the lower part of mounting frame (1), the conveying roller shaft (4) includes polyurethane support shaft (401), the polyurethane support shaft (401) is arranged with porous silica gel inner layer (402), the porous silica gel inner layer (402) is arranged with silica gel outer layer (403), and the surface of the silica gel outer layer (403) is equidistantly arranged with several groups of elastic protrusions (404). The elastic protrusions (404) on the silica gel outer layer (403) are arranged in spiral lines in staggered manner, and the circumferential phase difference of adjacent two rows of elastic protrusions (404) is 60-90 degrees.

2. The intelligent fabric feeding mechanism for a quilting machine according to claim 1, wherein The placing rack (2) includes two groups of mounting plates (201), and the two groups of mounting plates (201) are arranged on the mounting frame (1) and rotationally arranged with placing roller shafts (202) between the two groups of mounting plates (201), the mounting plate (201) is provided with a second rectangular hole (203), and the second rectangular hole (203) is slidably arranged with a second mounting block (204), and one group of the placing roller shafts (202) is rotationally connected with the second mounting block (204), and the mounting plate (201) is provided with a second electric hydraulic push rod (205), and the piston end of the second electric hydraulic push rod (205) is connected with the second mounting block (204).

3. The intelligent fabric feeding mechanism for a quilting machine according to claim 2, wherein The two ends of the top of the mounting plate (201) on one side are inserted into limiting rods (207), one end of the limiting rod (207) penetrating the mounting plate (201) is arranged with a baffle (206), the baffle (206) is located above the placing roller shaft (202), and the top of the mounting plate (201) on one side is centrally arranged with an adjusting screw (208), one end of the adjusting screw (208) penetrating the mounting plate (201) is rotationally connected with the baffle (206).

4. The intelligent fabric feeding mechanism for a quilting machine according to claim 1, wherein The top of the mounting frame (1) on both sides is centrally provided with a first rectangular hole (101), the first rectangular hole (101) is slidably arranged with a first mounting block (102), the first mounting block (102) is rotationally connected with the upper conveying roller shaft (4), and the top of the mounting frame (1) is centrally arranged with a first electric hydraulic push rod (103), and the piston end of the first electric hydraulic push rod (103) is connected with the first mounting block (102).

5. The intelligent fabric feeding mechanism for a quilting machine of claim 1 wherein, The driving structure (6) comprises a motor (601), a first belt pulley (602), a transmission belt (603) and a second belt pulley (604), the motor (601) is arranged on the mounting frame (1), the first belt pulley (602) is arranged on the rotating shaft of the output end of the motor (601), the second belt pulley (604) is arranged on one end of the lower conveying roller shaft (4), and the transmission belt (603) is arranged between the second belt pulley (604) and the first belt pulley (602).

6. The intelligent fabric feeding mechanism for a quilting machine of claim 1 wherein, The elastic protrusions (404) are hollow structures, and the elastic protrusions (404) are filled with compressible fluid.

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