CN211761907U - Nose bridge strip length adjusting mechanism for mask machine - Google Patents

Abstract

The utility model discloses a nose bridge strip length adjusting mechanism for a mask machine, which comprises a supporting frame, wherein a first middle shaft is arranged between two opposite side walls of the supporting frame, a cam is arranged, a first speed reducing motor drives a rotating shaft to rotate to drive the cam to rotate, so that a convex edge of the cam applies pressure on a moving block, the moving block moves to drive a second middle shaft to move in a chute, a spring is stretched, a rotating plate is pushed, one side of the non-cambered surface at the bottom of the lower end of the rotating plate applies thrust on the nose bridge strip, the nose bridge strip is pushed for a section of length, thereby the cutting position of a cutting knife is changed, the length of the cut nose bridge strip is adjusted, when the cam is not in contact with the moving block, the rotating plate resets to form reciprocating motion, through arranging the spring, when the convex edge of the cam is not in contact with the rotating plate, the rotating plate automatically rebounds by the spring, the nose bridge piece is convenient to be pushed again.

Description

Nose bridge strip length adjusting mechanism for mask machine

Technical Field

The utility model relates to a length adjustment device, in particular to be used for gauze mask machine bridge of the nose strip length adjustment mechanism belongs to gauze mask machine adjusting device technical field.

Background

The gauze mask machine is turned over the gauze mask and is rolled over, the suppression, the banding, a series of flows such as cutting, thereby produce the equipment of gauze mask, the gauze mask machine need add the bridge of the nose strip in making the gauze mask, the bridge of the nose strip makes the gauze mask can fix on the bridge of the nose, be the important part of gauze mask, the bridge of the nose strip can be along with user's exogenic action and bending deformation, do not kick-back, the gauze mask is fixed more firm, keep apart dust bacterium equivalent effect better, among the prior art, when the bridge of the nose strip is added to the gauze mask machine in the gauze mask, cutting length can't be adjusted, lead to when making not unidimensional gauze mask, the bridge of.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mechanism for adjusting the length of nose bridge strip of mask machine, through setting up the cam, the first gear motor drives the rotating shaft to rotate, drive the cam to rotate, make the protruding limit of cam exert pressure to the movable block, make the movable block move, drive the second axis to move in the spout, the spring is stretched, the rotating plate is impelled, the non-cambered surface side of bottom of the lower end of the rotating plate applies thrust to the nose bridge strip, make the nose bridge strip impelled a section of length, thereby make the cutting position of the cutting knife change, adjust the length that the nose bridge strip is cut, when the cam is not contacted with the movable block, the rotating plate resets, form reciprocating motion, through setting up the spring, when the protruding limit of cam is not contacted with the rotating plate, the rotating plate is automatically rebounded by the spring pulling, the spring rebounds and drives the rotating plate to reset, conveniently impel the nose bridge strip once more, through setting up the rotating plate, non-cambered, make the bridge of the nose strip by promoting one section length, change the cutting position of bridge of the nose strip, when changeing the board and being restoreed by the spring pulling, change the setting of board lower extreme cambered surface one side and make the bridge of the nose strip not receive the pulling, the bridge of the nose strip is promoted to retreat when avoiding reseing.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a nose bridge strip length adjusting mechanism for mask machine, which comprises a support frame, a first middle shaft is arranged between two opposite side walls of the support frame, two ends of the first middle shaft respectively penetrate through the two opposite side walls of the support frame and extend to the outside of the support frame, the first middle shaft is rotationally connected with the support frame, a rotating plate is rotationally sleeved on the shaft wall between the two opposite side walls of the support frame, a second middle shaft is rotationally inserted at the lower end of the rotating plate, one end of the second middle shaft, which is far away from the rotating plate, penetrates through one side wall of the support frame and extends to the outside of the support frame, a moving block is fixedly connected with one end of the second middle shaft, which is positioned at the outside of the support frame, a cam is arranged below the moving block, the cam is detachably connected on the rotating shaft, one end of the rotating shaft is rotationally, the other end fixed connection of pivot is in first gear motor's output, the interior roof of support frame just is located one side fixedly connected with electric telescopic handle of commentaries on classics board, electric telescopic handle's output fixedly connected with cutting knife.

As a preferred technical scheme of the utility model, the support frame is close to one side lateral wall of cam and has seted up the spout corresponding the centraxonial position of second, the second axis runs through the spout and rather than sliding connection.

As a preferred technical scheme of the utility model, the second axis is located fixedly connected with spring on the axle wall between support frame and the movable block, centraxonial one end fixedly connected with fixed axle of second is kept away from to the spring, fixed axle fixed connection is close to one side outer wall of cam in the support frame, fixed axle and second axis parallel arrangement, one side that the cutting knife was kept away from to the lower extreme of commentaries on classics board is the arcwall face.

As a preferred technical scheme of the utility model, the below that just is located the commentaries on classics board between the relative both sides lateral wall of support frame is provided with the conveyer belt, the action wheel has been cup jointed respectively and has been followed the driving wheel at the inside both ends of conveyer belt, the action wheel all rotates from the driving wheel to be connected between the relative both sides lateral wall of support frame.

As a preferred technical scheme of the utility model, the one end of action wheel and second gear motor's output fixed connection, second gear motor passes through fixing base fixed connection and keeps away from one side outer wall of cam in the support frame.

The utility model discloses the beneficial effect who reaches is: the utility model relates to a nose bridge strip length adjusting mechanism for a mask machine, through setting up a cam, a first speed reducing motor drives a rotating shaft to rotate, the driving cam rotates, so that the convex edge of the cam applies pressure to a moving block, the moving block moves, a second center shaft moves in a chute, a spring is stretched, a rotating plate is pushed, thrust is applied to the nose bridge strip by one side of a non-cambered surface at the bottom of the lower end of the rotating plate, the nose bridge strip is pushed for a section of length, thereby the cutting position of a cutting knife is changed, the length of the cut nose bridge strip is adjusted, when the cam is not contacted with the moving block, the rotating plate resets to form reciprocating motion, through setting up the spring, when the convex edge of the cam is not contacted with the rotating plate, the rotating plate automatically rebounds by the spring, the spring rebounds to drive the rotating plate to reset, the nose bridge strip is conveniently pushed again, through setting up the rotating plate, thrust, make the bridge of the nose strip by promoting one section length, change the cutting position of bridge of the nose strip, when changeing the board and being restoreed by the spring pulling, change the setting of board lower extreme cambered surface one side and make the bridge of the nose strip not receive the pulling, the bridge of the nose strip is promoted to retreat when avoiding reseing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front cut-away schematic view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural diagram of the rear view of the present invention.

In the figure: 1. a support frame; 2. a first bottom bracket; 3. rotating the plate; 4. a second middle axis; 5. a chute; 6. a spring; 7. a fixed shaft; 8. a moving block; 9. a cam; 10. a first reduction motor; 11. a rotating shaft; 12. a conveyor belt; 13. a second reduction motor; 14. a driving wheel; 15. an electric telescopic rod; 16. a cutting knife; 17. a driven wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in figures 1-3, the utility model relates to a nose bridge length adjusting mechanism for mask machine, which comprises a support frame 1, a first middle shaft 2 is arranged between two opposite side walls of the support frame 1, two ends of the first middle shaft 2 respectively penetrate through the two opposite side walls of the support frame 1 and extend to the outside of the support frame 1, the first middle shaft 2 is rotatably connected with the support frame 1, the first middle shaft 2 is positioned on the shaft wall between the two opposite side walls of the support frame 1 and rotatably sleeved with a rotating plate 3, the lower end of the rotating plate 3 is rotatably inserted with a second middle shaft 4, one end of the second middle shaft 4 far away from the rotating plate 3 penetrates through one side wall of the support frame 1 and extends to the outside of the support frame 1, one end of the second middle shaft 4 positioned on the outside of the support frame 1 is fixedly connected with a moving block 8, a cam 9 is arranged below the moving block 8, the cam 9 is detachably connected on a rotating shaft 11, other end fixed connection in the output of first gear motor 10 of pivot 11, the interior roof of support frame 1 and be located one side fixedly connected with electric telescopic handle 15 of commentaries on classics board 3, electric telescopic handle 15's output fixedly connected with cutting knife 16 opens electric telescopic handle 15, drives cutting knife 16 and descends, cuts the bridge of the nose strip.

A sliding groove 5 is arranged on the side wall of one side of the support frame 1 close to the cam 9 and corresponding to the position of the second middle shaft 4, the second middle shaft 4 penetrates through the sliding groove 5 and is connected with the sliding groove 5 in a sliding manner, the second middle shaft 4 moves in the sliding groove 5 to drive the rotating plate 3 to move and push the nose bridge strip, a spring 6 is fixedly connected to the shaft wall of the second middle shaft 4 between the support frame 1 and the moving block 8, a fixed shaft 7 is fixedly connected to one end of the spring 6 far away from the second middle shaft 4, the fixed shaft 7 is fixedly connected to the outer wall of one side of the support frame 1 close to the cam 9, the fixed shaft 7 is arranged in parallel with the second middle shaft 4, the spring 6 on the fixed shaft 7 is stretched, one side of the lower end of the rotating plate 3 far away from the cutting knife 16 is an arc-shaped surface to avoid pulling the nose bridge strip to, drive wheel 14 and driven wheel 17 have been cup jointed respectively at the inside both ends of conveyer belt 12, drive wheel 14 all rotates with driven wheel 17 to be connected between the relative both sides lateral wall of support frame 1, the one end of drive wheel 14 and second gear motor 13's output fixed connection, second gear motor 13 keeps away from one side outer wall of cam 9 through fixing base fixed connection in support frame 1, start second gear motor 13 and drive wheel 14 and rotate for conveyer belt 12 moves.

Specifically, when the utility model is used, a nose bridge strip enters from a conveyor belt 12, a first speed reduction motor 10 is opened, a rotating shaft 11 is driven to rotate, a cam 9 is driven to rotate, the convex edge of the cam 9 applies pressure to a moving block 8, the moving block 8 moves, a second middle shaft 4 is driven to move in a chute 5, a spring 6 is stretched, a rotating plate 3 is pushed, the bottom non-arc side of the lower end of the rotating plate 3 applies thrust to the nose bridge strip, the nose bridge strip is pushed for a certain length, when the convex edge of the cam 9 rotates away from the moving block 8, the spring 6 rebounds to drive the rotating plate 3 to reset, one side of the lower end of the rotating plate 3, which is far away from a cutting knife 16, is an arc surface, the nose bridge strip cannot be pulled, the nose bridge strip is pushed to retreat when the reset is avoided, an electric telescopic rod 15 is opened, the cutting knife 16 is, the cams 9 connected on the rotating shaft 11 are replaced, the cams 9 with different sizes are used, and the pushing size is adjusted, so that nose bridge strips with different lengths are cut.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A nose bridge strip length adjusting mechanism for a mask machine is characterized by comprising a support frame (1), wherein a first middle shaft (2) is arranged between two opposite side walls of the support frame (1), two ends of the first middle shaft (2) respectively penetrate through the two opposite side walls of the support frame (1) and extend to the outside of the support frame (1), the first middle shaft (2) is rotatably connected with the support frame (1), the first middle shaft (2) is positioned on a shaft wall between the two opposite side walls of the support frame (1) and rotatably sleeved with a rotating plate (3), the lower end of the rotating plate (3) is rotatably inserted with a second middle shaft (4), one end, far away from the rotating plate (3), of the second middle shaft (4) penetrates through one side wall of the support frame (1) and extends to the outside of the support frame (1), and one end, positioned outside the support frame (1), of the second middle shaft (4) is fixedly connected with a moving block (8), the utility model discloses a portable electric scooter, including movable block (8), the below of movable block (8) is provided with cam (9), cam (9) can be dismantled and connect in pivot (11), the one end of pivot (11) is passed through the bearing and is rotated and connect in one side outer wall of support frame (1), the other end fixed connection of pivot (11) is in the output of first gear motor (10), the interior roof of support frame (1) just is located one side fixedly connected with electric telescopic handle (15) of commentaries on classics board (3), the output fixedly connected with cutting knife (16) of electric telescopic handle (15).

2. The nose bridge length adjusting mechanism for the mask machine according to claim 1, wherein a sliding groove (5) is formed in a position, corresponding to the second central shaft (4), of the side wall of the support frame (1) close to the cam (9), and the second central shaft (4) penetrates through the sliding groove (5) and is in sliding connection with the sliding groove.

3. The nose bridge strip length adjusting mechanism for the mask machine according to claim 1, wherein a spring (6) is fixedly connected to a shaft wall of the second central shaft (4) between the support frame (1) and the moving block (8), a fixed shaft (7) is fixedly connected to one end, away from the second central shaft (4), of the spring (6), the fixed shaft (7) is fixedly connected to an outer wall of one side, close to the cam (9), of the support frame (1), the fixed shaft (7) is arranged in parallel with the second central shaft (4), and one side, away from the cutting knife (16), of the lower end of the rotating plate (3) is an arc-shaped surface.

4. The nose bridge strip length adjusting mechanism for the mask machine is characterized in that a conveyor belt (12) is arranged between two opposite side walls of the supporting frame (1) and below the rotating plate (3), two ends of the interior of the conveyor belt (12) are respectively sleeved with a driving wheel (14) and a driven wheel (17), and the driving wheel (14) and the driven wheel (17) are rotatably connected between the two opposite side walls of the supporting frame (1).

5. The nose bridge length adjusting mechanism for the mask machine according to claim 4, wherein one end of the driving wheel (14) is fixedly connected with an output end of a second speed reduction motor (13), and the second speed reduction motor (13) is fixedly connected to an outer wall of one side of the support frame (1) far away from the cam (9) through a fixing seat.

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