Switching device for different cloth feeding modes of cloth spreading machine

Abstract

The invention relates to the technical field of machinery. A switching device for different cloth feeding modes of a cloth spreading machine comprises a cloth feeding mechanism used for manual conveying, the cloth feeding mechanism comprises a conveying belt, a telescopic cloth feeding table and a telescopic driving mechanism driving the cloth feeding table to slide, and the cloth feeding table comprises a connecting frame, a first roller shaft and a second roller shaft. The two ends of the connecting frame are connected with a first roller shaft and a second roller shaft respectively, the connecting frame is slidably connected with a rack of the cloth spreading machine, and the telescopic driving mechanism drives the connecting frame to slide; a fixed roll shaft is mounted on a rack of the cloth spreading machine; the conveyor belt is wound on the first roll shaft, the second roll shaft and the fixed roll shaft in sequence from top to bottom in a snake-shaped circuitous manner; the switching mechanism comprises a switching plate and a swing driving mechanism for driving the switching plate to swing, and the switching plate is located in front of the extending direction of the cloth feeding table. By optimizing the structure, rapid switching between a manual feeding mode and an automatic feeding mode is conveniently achieved.

Description

Technical Field

[0001] The invention relates to the field of mechanical technology, in particular to a cloth feeding mechanism. Background Art

[0002] The fabric spreading machine has two modes: automatic feeding and manual feeding. The automatic feeding mode is used to transport bed sheets and quilt covers, while the manual feeding mode is used to transport pillowcases.

[0003] The switching devices between the automatic cloth feeding mode and the manual cloth feeding mode of the cloth spreading machines currently on the market have a relatively complex structure, poor stability and high manufacturing cost.

[0004] Currently, there is a lack of a mode switching structure with a simple structure. Summary of the invention

[0005] In view of the problems existing in the prior art, the present invention provides a switching device for different cloth feeding modes of a cloth spreading machine to solve at least one of the above technical problems.

[0006] In order to achieve the above-mentioned purpose, the present invention provides a switching device for different cloth feeding modes of a cloth spreading machine, including a cloth feeding mechanism for manual conveying, characterized in that the cloth feeding mechanism includes a conveyor belt, a retractable cloth feeding platform and a retractable driving mechanism for driving the cloth feeding platform to slide, the cloth feeding platform includes a connecting frame, a first roller shaft and a second roller shaft, the two ends of the connecting frame are respectively connected to the first roller shaft and the second roller shaft, the connecting frame is slidably connected to the frame of the cloth spreading machine, and the retractable driving mechanism drives the connecting frame to slide;

[0007] A fixed roller is installed on the frame of the fabric spreading machine;

[0008] The conveyor belt is serpentine and winding from top to bottom in sequence around the first roller, the second roller and the fixed roller;

[0009] It also includes a conversion mechanism, the conversion mechanism includes a conversion plate and a swing driving mechanism for driving the conversion plate to swing, the conversion plate is located in front of the extension direction of the cloth feeding platform;

[0010] When the cloth feeding platform needs to be extended, the conversion plate swings, and the conversion plate provides space for the cloth feeding platform to extend. After the cloth feeding platform is extended to the right position, the connecting frame of the cloth feeding platform is located above the conversion plate. At this time, the manual feeding mode is performed, and the materials are placed on the cloth feeding platform for transfer;

[0011] When the cloth feeding platform is retracted into place, the conversion plate swings, and a negative pressure suction channel is formed between the conversion plate and the cloth feeding platform, and the negative pressure suction channel is used for negative pressure suction and flattening of the edge of the cloth in the automatic feeding mode.

[0012] The present invention facilitates the rapid switching between the manual feeding mode and the automatic feeding mode by optimizing the structure.

[0013] Further preferably, a negative pressure suction chamber is provided below the feeding platform, and the negative pressure suction chamber is connected to and communicated with the negative pressure suction channel.

[0014] Further preferably, in the automatic feeding mode, the conversion plate is in an upward flipped state, and the feeding platform is in a retracted state, at which time a negative pressure suction channel is formed between the conversion plate and the feeding platform;

[0015] In the manual feeding mode, the conversion plate is in a flipped-down state, the feeding platform is in an extended state, and the feeding platform is used for manual feeding.

[0016] Further preferably, the swing drive mechanism comprises a swing drive cylinder, the telescopic end of the swing drive mechanism is connected to a swing arm, and the swing arm is drivingly connected to the conversion plate.

[0017] Further preferably, the swing drive mechanism is installed on opposite sides of the conversion plate.

[0018] Further preferably, the first roller is installed at the front end of the connecting frame, and the second roller is installed below the rear end of the connecting frame.

[0019] Further preferably, a support plate is installed at both ends of the first roller in the length direction, and the support plate is provided with an extending portion extending upward;

[0020] The support plate is fixedly connected to the connecting frame;

[0021] The telescopic driving mechanism comprises a telescopic driving cylinder, and the telescopic end of the telescopic driving cylinder is connected to the extension part.

[0022] Further preferably, two telescopic drive mechanisms are provided, and the two telescopic drive mechanisms are arranged on both sides of the cloth feeding platform.

[0023] Further preferably, a conveying mechanism for self-feeding is installed on the frame of the spreading machine, and the conveying mechanism is located above the feeding platform.

[0024] In the automatic feeding mode, the two corners of the cloth are clamped and stretched flat by the robot, and then pressed against the conveying mechanism. The other two corners of the cloth droop and are flattened under the action of the negative pressure suction channel. The conveying mechanism self-feeds the stretched and flattened cloth.

[0025] Beneficial effects: The present invention realizes the switching between manual cloth feeding mode and self-feeding cloth feeding mode, allowing the machine to switch between the two modes freely and conveniently. The new switching device simplifies the traditional structure, increases the stability of mode switching, and reduces the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of a cloth feeding platform in a retracted state according to a specific embodiment 1 of the present invention;

[0027] Figure 2 It is a schematic diagram of a cloth feeding platform in a specific embodiment 1 of the present invention in an extended state;

[0028] Figure 3 It is a partial structural schematic diagram of a specific embodiment 1 of the present invention;

[0029] Figure 4 It is a schematic diagram of the local structure of a specific embodiment 1 of the present invention;

[0030] Figure 5 It is a schematic diagram of the local structure of a specific embodiment 1 of the present invention;

[0031] Figure 6 It is a partial structural schematic diagram of a specific embodiment 1 of the present invention;

[0032] Figure 7 It is a schematic diagram of the local structure of specific embodiment 1 of the present invention.

[0033] Among them: 1-transport mechanism, 2-conveyor belt, 3-telescopic drive mechanism, 4-conversion plate, 5-first roller, 6-fixed roller, 7-connecting frame 8-second roller, 9-sliding track, 10-frame, 11 is a swing drive mechanism. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] See also Figures 1 to 7, Specific embodiment 1: A switching device for different cloth feeding modes of a cloth spreading machine, comprising a cloth feeding mechanism for manual feeding, the cloth feeding mechanism comprising a conveyor belt 2, a retractable cloth feeding platform and a retractable driving mechanism 3 for driving the cloth feeding platform to slide, the cloth feeding platform comprising a connecting frame 7, a first roller 5 and a second roller 8, the two ends of the connecting frame 7 are respectively connected with the first roller 5 and the second roller 8, the connecting frame 7 is slidably connected with the frame 10 of the cloth spreading machine, and the retractable driving mechanism 3 drives the connecting frame 7 to slide; a fixed roller 6 is installed on the frame 10 of the cloth spreading machine; the conveyor belt 2 is serpentine and winding from top to bottom in sequence around the first roller 5, the second roller 8 and the fixed roller 6. The conveyor belt passes through the right side of the first roller, the left side of the second roller and the right side of the fixed roller. And the conveyor belt passes through the area between the lower end of the first roller and the upper end of the second roller, and the area between the lower end of the second roller and the upper side of the fixed roller.

[0036] It also includes a conversion mechanism, which includes a conversion plate 4 and a swing driving mechanism 11 for driving the conversion plate 4 to swing. The conversion plate 4 is located in front of the extending direction of the cloth feeding platform.

[0037] When the cloth feeding platform needs to be extended, the conversion plate 4 swings, and the conversion plate 4 provides space for the cloth feeding platform to extend. After the cloth feeding platform is extended to the right position, the connecting frame 7 of the cloth feeding platform is located above the conversion plate 4. At this time, the manual feeding mode is performed, and the materials are placed on the cloth feeding platform for transfer;

[0038] When the cloth feeding platform is retracted, the conversion plate 4 swings, and a negative pressure suction channel is formed between the conversion plate 4 and the cloth feeding platform. The negative pressure suction channel is used for negative pressure suction and flattening of the edge of the cloth in the automatic feeding mode. The present invention facilitates the rapid switching between the manual feeding mode and the automatic feeding mode by optimizing the structure.

[0039] A negative pressure suction chamber is arranged below the feeding platform, and the negative pressure suction chamber is connected with the negative pressure suction channel.

[0040] In the automatic feeding mode, the conversion plate 4 is in the flipped-up state, and the feeding platform is in the retracted state. At this time, a negative pressure suction channel is formed between the conversion plate 4 and the feeding platform;

[0041] In the manual feeding mode, the conversion plate 4 is in a flipped-down state, the feeding platform is in an extended state, and the feeding platform is used for manual feeding.

[0042] The swing drive mechanism 11 includes a swing drive cylinder, and the telescopic end of the swing drive mechanism 11 is connected to a swing arm, and the swing arm is in driving connection with the conversion plate 4. The swing drive mechanisms 11 are installed on opposite sides of the conversion plate 4.

[0043] A first roller shaft 5 is fixed to the front end of the connecting frame 7, and a second roller shaft 8 is installed below the rear end of the connecting frame 7. A support plate is installed at both ends of the length direction of the first roller shaft 5, and the support plate is provided with an extension portion extending upward; the support plate is fixedly connected to the connecting frame 7; the telescopic drive mechanism 3 includes a telescopic drive cylinder, and the telescopic end of the telescopic drive cylinder is connected to the extension portion. Two telescopic drive mechanisms 3 are provided, and the two telescopic drive mechanisms 3 are arranged on both sides of the cloth feeding platform. A sliding track 9 is installed on the inner wall of the frame 10. The sliding track 9 is slidably connected to the cloth feeding platform.

[0044] A conveying mechanism 1 for self-feeding is installed on the frame 10 of the fabric spreading machine, and the conveying mechanism 1 is located above the feeding platform. In the automatic feeding mode, the two corners of the fabric are clamped and stretched flat by the manipulator, and then close to the conveying mechanism 1. The other two corners of the fabric droop and are flattened under the action of the negative pressure suction channel. The conveying mechanism 1 self-feeds the flattened fabric.

[0045] The above are only preferred embodiments of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A switching device for different cloth feeding modes of a cloth spreading machine, comprising a cloth feeding mechanism for manual conveying, characterized in that: The cloth feeding mechanism comprises a conveyor belt, a retractable cloth feeding platform and a retractable driving mechanism for driving the cloth feeding platform to slide, the cloth feeding platform comprises a connecting frame, a first roller and a second roller, the two ends of the connecting frame are respectively connected to the first roller and the second roller, the connecting frame is slidably connected to the frame of the cloth spreading machine, and the retractable driving mechanism drives the connecting frame to slide; A fixed roller is installed on the frame of the fabric spreading machine; The conveyor belt is serpentine and winding from top to bottom in sequence around the first roller, the second roller and the fixed roller; It also includes a conversion mechanism, the conversion mechanism includes a conversion plate and a swing driving mechanism for driving the conversion plate to swing, the conversion plate is located in front of the extension direction of the cloth feeding platform; When the cloth feeding platform needs to be extended, the conversion plate swings, and the conversion plate provides space for the cloth feeding platform to extend. After the cloth feeding platform is extended to the right position, the connecting frame of the cloth feeding platform is located above the conversion plate. At this time, the manual feeding mode is performed, and the materials are placed on the cloth feeding platform for transfer; When the cloth feeding platform is retracted into place, the conversion plate swings, and a negative pressure suction channel is formed between the conversion plate and the cloth feeding platform, and the negative pressure suction channel is used for negative pressure suction and flattening of the edge of the cloth in the automatic feeding mode.

2. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 1, characterized in that: A negative pressure suction chamber is provided below the feeding platform, and the negative pressure suction chamber is connected to the negative pressure suction channel.

3. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 1, characterized in that: In the automatic feeding mode, the conversion plate is in an upward flipped state, and the feeding platform is in a retracted state. At this time, a negative pressure suction channel is formed between the conversion plate and the feeding platform; In the manual feeding mode, the conversion plate is in a flipped-down state, the feeding platform is in an extended state, and the feeding platform is used for manual feeding.

4. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 1, characterized in that: The swing drive mechanism comprises a swing drive cylinder, the telescopic end of the swing drive mechanism is connected to a swing arm, and the swing arm is drivingly connected to the conversion plate.

5. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 4, characterized in that: The swing driving mechanisms are installed on opposite sides of the conversion plate.

6. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 1, characterized in that: The first roller shaft is installed at the front end of the connecting frame, and the second roller shaft is installed below the rear end of the connecting frame.

7. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 1, characterized in that: A support plate is installed at both ends of the first roller in the length direction, and the support plate is provided with an extending portion extending upward; The support plate is fixedly connected to the connecting frame; The telescopic driving mechanism comprises a telescopic driving cylinder, and the telescopic end of the telescopic driving cylinder is connected to the extension part.

8. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 7, characterized in that: The telescopic drive mechanisms are provided with two, and the two telescopic drive mechanisms are arranged on both sides of the cloth feeding platform.

9. The switching device for different cloth feeding modes of a cloth spreading machine according to claim 1, characterized in that: A conveying mechanism for self-feeding is installed on the frame of the spreading machine, and the conveying mechanism is located above the feeding platform.

10. A switching device for different cloth feeding modes of a cloth spreading machine according to claim 9, characterized in that: In the automatic feeding mode, the two corners of the cloth are clamped and stretched flat by the robot, and then pressed against the conveying mechanism. The other two corners of the cloth droop and are flattened under the action of the negative pressure suction channel. The conveying mechanism self-feeds the stretched and flattened cloth.

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