Mask linear transmission mechanism

Abstract

The present invention relates to a mask linear transmission mechanism, comprising a frame, a transmission screw and a first driving device; the transmission screw is rotatably arranged on the frame through an open support and rotates under the drive of the first driving device; the first driving device is arranged on the frame; one end of the transmission screw is a feed end, and the other end is a discharge end; the threaded groove of the transmission screw is a conveying groove for hanging ear hanging lines of masks; the open support is provided with an opening hole; the rotating connecting part is rotatably arranged in the opening hole; at least two of the opening supports form axial limits for the transmission screw; the opening of the opening hole is located directly below, and the ear hanging line is passed through. The present invention can continuously receive masks from a mask production line, and utilizes the threaded groove of the transmission screw to achieve the purpose of continuous transmission, and its transmission speed is constant and controllable, which is convenient for precise control; at the same time, as the transmission screw rotates, the ear hanging line of the mask can automatically enter its threaded groove, which plays a role in sorting.

Description

Technical Field

[0001] The invention relates to the field of mask production equipment, and in particular to a mask linear transmission mechanism. Background Art

[0002] A mask is a sanitary product, generally worn on the nose and mouth to filter the air entering the nose and mouth, so as to block harmful gases, odors, droplets, viruses and other substances. It is made of gauze or paper. The mask has a certain filtering effect on the air entering the lungs. When respiratory infectious diseases are prevalent or when working in dusty and other polluted environments, wearing a mask is very effective. The structure of the mask includes the mask body and the ear hanging wires for fixing.

[0003] During the mask production process, the masks need to be transported. The existing conveying devices generally use conveyor belts for transportation, which makes the transportation site messy and unable to effectively transport the masks. At the same time, the existing conveying equipment cannot participate in the strength testing of the mask ear hook welding points. Summary of the invention

[0004] The object of the present invention is to provide a mask linear transmission mechanism capable of continuously receiving and delivering masks.

[0005] The technical solution to achieve the purpose of the present invention is: the present invention includes a frame, a transmission screw and a first driving device; the transmission screw is rotatably arranged on the frame through an open support and rotates under the drive of the first driving device; the first driving device is arranged on the frame; one end of the transmission screw is a feeding end, and the other end is a discharging end; the threaded groove of the transmission screw is a conveying groove for hanging the ear hanging line of the mask; at least two rotating connecting parts are provided on the transmission screw along its axial direction; each rotating connecting part corresponds to an opening support; the opening support is fixedly connected to the frame; an opening hole is provided on the opening support; the rotating connecting part is rotatably arranged in the opening hole; at least the thread diameter of the rotating connecting part is smaller than the thread diameter of the non-rotating connecting part, and the diameter of the opening hole is smaller than the thread diameter of the non-rotating connecting part; at least two of the opening supports form axial limits for the transmission screw; the opening of the opening hole is located directly below and is for the ear hanging line to pass through; the feeding end of the transmission screw is not provided with a rotating connecting part.

[0006] The feed end of the conveying screw rod is provided with a guide device for guiding the hanging ear wire to enter the thread groove; the guide device includes a guide slide, a sleeve and an anti-overturning gravity lead; the sleeve is rotatably arranged at the feed end of the conveying screw rod; the guide slide and the anti-overturning gravity lead are relatively arranged on the side wall of the sleeve; the anti-overturning gravity lead is heavier than the guide slide; the guide slide is used to guide the hanging ear wire to enter the thread groove along it.

[0007] The above-mentioned first driving device includes a first driving motor; the first driving motor is fixed on a frame; a driving friction wheel is rotatably provided on the frame; the output shaft of the first driving motor is transmission-connected with the driving friction wheel; the driving friction wheel forms static friction with the large-diameter surface of the transmission screw.

[0008] The frame is also provided with two symmetrically arranged ear wire guide plates extending along the conveying direction; the two ear wire guide plates are located on both sides of the conveying screw rod; the ear wire guide plate is located at the feeding end of the conveying screw rod and is provided with a guide portion opening outwards.

[0009] The output shaft of the first driving motor is connected to an output wheel, and the output wheel is connected to the driving friction wheel through a belt transmission.

[0010] As an optimized design, the above-mentioned transmission screw rod is in the shape of a dumbbell with large diameters at both ends and a small diameter in the middle; the two ends of the small diameter part in the middle of the transmission screw rod are rotating connection parts; two open supports are provided on the frame; the two open supports are respectively located at the two ends of the small diameter part in the middle of the transmission screw rod; the diameter of the opening hole is smaller than the diameter at both ends of the transmission screw rod.

[0011] The present invention has positive effects: (1) the present invention can not only continuously receive masks from the mask production line through the transmission screw rod, but also use its thread groove to achieve the purpose of continuous transportation, and its transmission speed is constant and controllable, which is convenient for precise control; at the same time, as the transmission screw rod rotates, the ear hook line of the mask can automatically enter its thread groove, which plays a role in sorting.

[0012] (2) In the present invention, the transmission screw rod is rotatably connected to the frame through the open support, which can ensure the rotation of the transmission screw rod and the smooth passage of the ear hook line, and the design is ingenious.

[0013] (3) The transmission screw in the present invention can effectively prevent axial movement of the transmission screw through the cooperation between the rotating connection part and the open support, which is beneficial to ensure the stable transportation of the conveying mechanism.

[0014] (4) The present invention uses a guide device to keep the guide slideway in a fixed position forever during the rotation of the transmission screw (using the principle of gravity and the action of the anti-overturning gravity lead), which is beneficial to the reception and guidance of the mask.

[0015] (5) The design of the first driving device in the present invention can also ensure the smooth transportation of the ear hook wire in the thread groove.

[0016] (6) The present invention can effectively guide the cover body into the synchronous clamping mechanism through the ear hook guide plate, thereby achieving a sorting effect and providing effective assistance for subsequent tension detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a front view of the present invention;

[0020] Figure 3 It is a side view of the present invention. DETAILED DESCRIPTION

[0021] See Figures 1 to 3 The present invention includes a frame 1, a transmission screw 2 and a first driving device 3; the transmission screw 2 is in a dumbbell shape with large diameters at both ends and a small diameter in the middle; the two ends of the small diameter portion in the middle of the transmission screw 2 are rotating connection parts; two open supports 4 are fixedly provided on the frame 1; the two open supports 4 are respectively located at the two ends of the small diameter portion in the middle of the transmission screw 2; the open supports 4 are provided with opening holes, and the diameter of the opening holes is smaller than the diameters at both ends of the transmission screw 2. The rotating connection part of the transmission screw 2 is rotatably connected to the opening holes of the opening supports 4. The diameter of the opening holes is smaller than the diameters at both ends of the transmission screw 2; the transmission screw 2 can only rotate relative to the opening supports 4 and cannot move axially due to the restriction of the two open supports 4.

[0022] The first driving device 3 includes a first driving motor 31; the first driving motor 31 is fixed on the frame 1; a driving friction wheel 32 is rotatably provided on the frame 1; an output wheel is transmission-connected to the output shaft of the first driving motor 31, and the output wheel is transmission-connected to the driving friction wheel 32 through a belt; the driving friction wheel 32 forms static friction with the large-diameter surface of the transmission screw 2.

[0023] One end of the conveying screw rod 2 is the feeding end, and the other end is the discharging end; the threaded groove of the conveying screw rod 2 is a conveying groove for the ear hanging wire for hanging the mask; the opening of the opening hole is located directly below and is for the ear hanging wire to pass through.

[0024] The feed end of the conveying screw 2 is provided with a guide device 5 for guiding the ear hook wire to enter the threaded groove; the guide device 5 includes a guide slide 51, a sleeve 52 and an anti-overturning gravity lead 53; the sleeve 52 is rotatably arranged at the feed end of the conveying screw 2; the guide slide 51 and the anti-overturning gravity lead 53 are relatively arranged on the side wall of the sleeve 52; the anti-overturning gravity lead 53 is heavier than the guide slide 51; the guide slide 51 is used to guide the ear hook wire to enter the threaded groove along it.

[0025] The frame 1 is also provided with two symmetrically arranged ear wire guide plates 6 extending along the conveying direction; the two ear wire guide plates 6 are located on both sides of the conveying screw 2; the ear wire guide plate 6 is located at the feeding end of the conveying screw and is provided with a guide portion opened outward.

[0026] The working process of the present invention is as follows:

[0027] Since the sleeve 52 is rotatably connected to the feed end of the conveying screw 2, under the action of the anti-overturning gravity lead 53, the guide slide 51 is always in the guide position. Therefore, the guide slide 51 can always be in the material receiving and guiding state. After receiving the mask from manual hanging or mechanical hanging, the guide slide 51 guides the mask to slide into the thread groove of the conveying screw 2; the mask continuously moves to the next station as the conveying screw 2 is continuously rotated under the drive of the first drive motor 31. Since the pitch of the thread groove of the conveying screw 2 is controllable, the conveying speed of the mask is controllable, and the conveying position of the mask can be controlled.

[0028] At the same time, since the ear hanging wires are in a hanging state during the mask transportation process, the present invention can add a tension detection process as needed to achieve automatic full inspection.

[0029] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. Mask linear transmission mechanism, characterized by: The invention comprises a frame (1), a transmission screw rod (2) and a first driving device (3); the transmission screw rod (2) is rotatably arranged on the frame (1) through an open support (4) and is driven to rotate by the first driving device (3); the first driving device (3) is arranged on the frame (1); one end of the transmission screw rod (2) is a feeding end, and the other end is a discharging end; the thread groove of the transmission screw rod (2) is a conveying groove for hanging ear hanging wires for hanging masks; at least two rotating connecting parts are arranged on the transmission screw rod (2) along its axial direction; each rotating connecting part corresponds to An open support (4); the open support (4) is fixedly connected to the frame (1); an open hole is provided on the open support (4); the rotating connection part is rotatably arranged in the open hole; at least the thread diameter of the rotating connection part is smaller than the thread diameter of the non-rotating connection part, and the diameter of the open hole is smaller than the thread diameter of the non-rotating connection part; at least two of the open supports (4) form axial limits for the transmission screw rod (2); the opening of the open hole is located directly below and is for the hanging ear line to pass through; the feeding end of the transmission screw rod (2) is not provided with a rotating connection part.

2. The mask linear transmission mechanism according to claim 1, characterized in that: A guide device (5) for guiding a hook wire to enter a threaded groove is provided at the feed end of the transmission screw rod (2); the guide device (5) comprises a guide slideway (51), a sleeve (52) and an anti-overturning gravity lead (53); the sleeve (52) is rotatably arranged at the feed end of the transmission screw rod (2); the guide slideway (51) and the anti-overturning gravity lead (53) are relatively arranged on the side wall of the sleeve (52); the anti-overturning gravity lead (53) is heavier than the guide slideway (51); the guide slideway (51) is used to guide the hook wire to enter the threaded groove along it.

3. The mask linear transmission mechanism according to claim 1 or 2, characterized in that: The first driving device (3) comprises a first driving motor (31); the first driving motor (31) is fixed on a frame (1); a driving friction wheel (32) is rotatably provided on the frame (1); the output shaft of the first driving motor (31) is transmission-connected to the driving friction wheel (32); the driving friction wheel (32) forms static friction with the large-diameter surface of the transmission screw rod (2).

4. The mask linear transmission mechanism according to claim 1 or 2, characterized in that: The frame (1) is also provided with two symmetrically arranged hanging ear wire guide plates (6) extending along the conveying direction; the two hanging ear wire guide plates (6) are located on both sides of the conveying screw rod (2); the hanging ear wire guide plate (6) is located at the feeding end of the conveying screw rod and is provided with a guide portion that opens outwards.

5. The mask linear transmission mechanism according to claim 3, characterized in that: The frame (1) is also provided with two symmetrically arranged hanging ear wire guide plates (6) extending along the conveying direction; the two hanging ear wire guide plates are located on both sides of the conveying screw rod (2); the hanging ear wire guide plate (6) is located at the feeding end of the conveying screw rod and is provided with a guide portion that opens outwards.

6. The mask linear transmission mechanism according to claim 3, characterized in that: An output wheel is drivingly connected to the output shaft of the first driving motor (31), and the output wheel is connected to the driving friction wheel (32) via a belt transmission.

7. The mask linear transmission mechanism according to claim 1, characterized in that: The transmission screw rod (2) is in the shape of a dumbbell with large diameters at both ends and a small diameter in the middle; the two ends of the portion with a small diameter in the middle of the transmission screw rod (2) are rotating connection parts; the frame (1) is provided with two open supports (4); the two open supports (4) are respectively located at the two ends of the portion with a small diameter in the middle of the transmission screw rod (2); the diameter of the opening hole is smaller than the diameter of the two ends of the transmission screw rod (2).

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