CN212655192U

CN212655192U - Drop feed mechanism in gauze mask machine

Info

Publication number: CN212655192U
Application number: CN202021071524.7U
Authority: CN
Inventors: 叶其孩; 叶其广
Original assignee: Wenzhou Ubique Industry Co ltd
Current assignee: Wenzhou Huazao Machinery Technology Co ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2021-03-05
Anticipated expiration: 2030-06-11

Abstract

The utility model provides a drop feed mechanism in gauze mask machine, which comprises a supporting fram, coil stock mounting bracket and tensioning frame, the coil stock mounting bracket includes the pivot, a tip of pivot can install on the support frame through the bearing frame that is equipped with the activity rotatoryly, the pivot is used for installing the cloth book, the tensioning frame includes the fixed roll, the compression roller, the pendulum rod of bottom roll and two L types, the fixed roll can install on the support frame with the activity rotatoryly, two pendulum rods can install on the support frame with freely swinging, compression roller and bottom roll homoenergetic are installed on two pendulum rods with the activity rotatoryly, the bottom roll is in the horizontal plane that is less than the compression roller, the pendulum rod makes the bottom roll downstream through the swing can make.

Description

Drop feed mechanism in gauze mask machine

Technical Field

The utility model relates to a gauze mask production facility field, concretely relates to drop feed mechanism in gauze mask machine.

Background

The production preparation of present gauze mask has realized automaticly, installs cloth and roll up etc. and can realize automatic production in the gauze mask machine, nevertheless often because reasons such as inertia when drawing unreeling to the cloth book, goes out the cloth and roll up to unreel at the excessive condition that relaxes that appears, for the speed balance of guaranteeing blowing and transport processing when lasting production, all can carry out the adjustment control to the blowing at drop feed mechanism.

Firstly, an independent motor is arranged to control the unwinding of cloth, namely whether the unwound cloth is loosened or tensioned is detected, the motor stops unwinding when the cloth is loosened, and the unwinding is started when the cloth is tensioned; and secondly, a damping mechanism is added to apply constant pressure to increase the traction force required by unwinding and reduce the over-unwinding caused by inertia. The motor will appear repeatedly in the first mode and start, the switching that stops will cause the damage to the motor performance, the life-span of greatly reduced motor, need in the second mode come manual many times pressure adjustment based on observing the partial volume condition when production starts, and difficult to control to suitable, also probably need readjust, relatively troublesome to different cloth book.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a drop feed mechanism in gauze mask machine:

the utility model provides a drop feed mechanism in gauze mask machine, includes support frame, coil stock mounting bracket and tensioning frame, the coil stock mounting bracket includes the pivot, a tip of pivot can install on the support frame through the bearing frame that is equipped with rotating, the pivot is used for installing the cloth book, the tensioning frame includes the pendulum rod of fixed roll, compression roller, bottom roll and two L types, the fixed roll can install on the support frame with rotating, two the pendulum rod can install on the support frame with freely swinging, compression roller and bottom roll homoenergetic are installed on two pendulum rods with rotating, the bottom roll is in the horizontal plane that is less than the compression roller, the pendulum rod makes the bottom roll downstream through the swing and can make the compression roller top lean on the fixed roll.

Preferably, the coil stock mounting bracket is still including first kicking block and the second kicking block that all is located the pivot surface, the second kicking block is located the outside of first kicking block, the cooperation of sliding of second kicking block and pivot, be equipped with screw-thread fit's handle screw on the second kicking block, the handle screw can be screwed up the top and lean on the pivot to be used for restricting the sliding of second kicking block, first kicking block and second kicking block all are equipped with the conical surface and mutually support and are used for installing the cloth and roll up, roll up the cover with the cloth and in the outer back of pivot, make the cloth roll up the top by installing between the conical surface of first kicking block and second kicking block through sliding the second kicking block and screwing up the handle screw.

Preferably, be equipped with the fixed block that is located between first kicking block and the second kicking block in the pivot, the fixed block is installed in the pivot through the antifriction bearing that is equipped with, first kicking block screw-thread fit is at the surface of pivot, first kicking block and fixed block fixedly connected with spring, the spring housing is established in the pivot and is in compression state all the time, makes first kicking block change into in the epaxial position of commentaries on classics and can adjust, the alignment calibration of the blowing direction of being convenient for.

Preferably, the pivot is equipped with the plane of sliding fit with the second kicking block, the plane is used for screwing up of handle screw to lean on, makes the screwing up that the handle screw can be better.

Preferably, the compression roller is installed two through two pendulum strips that are equipped with on the pendulum rod, two the pendulum strip is articulated mutually with two pendulum rods respectively, and all is equipped with the torsional spring in every articulated department, pendulum strip and pendulum rod are equipped with the screens portion at restriction torsional spring both ends respectively, and the increase compression roller through compressing tightly of torsional spring keeps exerting pressure to the pressure of fixed roll, and the speed reduction keeps rear cloth tensioning state to the compression roller.

The utility model discloses following beneficial effect has: the cloth roll is arranged outside the rotating shaft, the cloth is discharged from the lower part of the bottom roller and passes through the position between the press roller and the fixed roller, and then the cloth is wound to the subsequent mechanism, after the subsequent mechanism is started, the cloth is dragged to start unwinding, the traction support of the cloth lifts the bottom roller, meanwhile, the swing rod is driven to enable the press roller and the fixed roller to be separated from the abutting state, the cloth is kept in a good tensioning state, the cloth is in an ideal unwinding state, when the traction unwinding of the rotating shaft is fast, the unwound cloth relaxes to enable the bottom roller to move downwards, meanwhile, the swing rod is driven to enable the press roller and the fixed roller to be in pressure abutting, the fixed roller starts to reduce the speed, the cloth behind the fixed roller is kept in a good tensioning state, meanwhile, the traction force of the cloth roll on the rotating shaft is reduced, the rotating shaft starts to reduce the cloth between the rotating shaft and the rotating shaft, until the bottom roller is lifted by the cloth support, the automatic adjustment can be realized, so that the cloth can be kept in a tensioning state when entering a subsequent mechanism, and the adjustment speed is very high.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic partial cross-sectional view of a roll mount of an embodiment.

Fig. 3 is a partial structural schematic diagram of the swing link according to the embodiment.

Fig. 4 is a schematic structural diagram of the pendulum bar of the embodiment.

Fig. 5 is a schematic view of a connection principle of the swing link and the swing bar of the embodiment.

FIG. 6 is a schematic diagram illustrating the operation of the embodiment.

1. A support frame; 2. a rotating shaft; 3. a bearing seat; 4. a fixed roller; 5. a compression roller; 6. a bottom roll; 7. a swing rod; 8. a first top block; 9. a second top block; 10. a handle screw; 11. a conical surface; 12. a fixed block; 13. a rolling bearing; 14. a spring; 15. a plane; 16. swinging the bar; 17. a torsion spring; 18. a clamping part.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1 to 6 and the embodiments.

A discharging mechanism in a mask machine comprises a supporting frame 1, a coil mounting frame and a tensioning frame, wherein the coil mounting frame comprises a rotating shaft 2, a first ejector block 8 and a second ejector block 9 which are positioned on the outer surface of the rotating shaft 2, one end part of the rotating shaft 2 can be movably and rotatably mounted on the supporting frame 1 through a bearing seat 3, the second ejector block 9 is positioned on the outer side of the first ejector block 8, the second ejector block 9 is in sliding fit with the rotating shaft 2, a handle screw 10 in threaded fit is arranged on the second ejector block 9, the handle screw 10 can be screwed tightly and abuts against the rotating shaft 2 to limit the sliding of the second ejector block 9, the rotating shaft 2 is provided with a plane 15 in sliding fit with the second ejector block 9, the plane 15 is used for screwing up and abutting against the handle screw 10 to enable the handle screw 10 to be screwed better, the first ejector block 8 and the second ejector block 9 are both provided with conical surfaces 11 and are mutually matched for mounting a cloth coil, a fixing block 12 positioned between the first ejector block 8 and the second ejector block 9 is arranged on, fixed block 12 is installed in pivot 2 through the antifriction bearing 13 that is equipped with, 8 screw-thread fit of first kicking block is at the surface of pivot 2, first kicking block 8 and 12 fixedly connected with springs 14 of fixed block, 14 covers of spring are established on pivot 2 and are in compression state all the time, make first kicking block 8 compressed tightly all the time and prevent to take place the displacement by oneself, spring 14 and fixed block 12 are with changeing when the first kicking block 8 of while rotary motion, can not influence and answer spring 14 performance, first kicking block 8 becomes to adjust in the position in pivot 2, the alignment calibration of the blowing direction of being convenient for.

The tensioning frame comprises a fixed roller 4, a pressing roller 5, a bottom roller 6 and two L-shaped swing rods 7, the fixed roller 4 can be movably and rotatably installed on a support frame 1, the two swing rods 7 can be freely and swingably installed on the support frame 1, the pressing roller 5 and the bottom roller 6 can be movably and rotatably installed on the two swing rods 7, the bottom roller 6 is located on a horizontal plane lower than the pressing roller 5, the swing rods 7 enable the bottom roller 6 to move downwards through swinging to enable the pressing roller 5 to abut against the fixed roller 4, the pressing roller 5 is installed on the two swing rods 7 through the two swing strips 16, the two swing strips 16 are respectively hinged with the two swing rods 7, a torsion spring 17 is arranged at each hinged position, the swing strips 16 and the swing rods 7 are respectively provided with clamping portions 18 which limit two ends of the torsion spring 17, the cloth behind the fixed roller 4 is kept tensioned through the compression of the torsion spring 17, and cannot be influenced by the cloth which is.

Installation of the cloth roll: firstly, the second ejector block 9 is slipped off the rotating shaft 2, the cloth roll is sleeved outside the rotating shaft 2 and then sleeved with the second ejector block 9, the position of the first ejector block 8 on the rotating shaft 2 is adjusted to be proper by rotation, the second ejector block 9 is slid and the handle screw 10 is screwed down to ensure that the cloth roll is abutted against and installed between the conical surfaces 11 of the first ejector block 8 and the second ejector block 9, the installation of the cloth roll is finished, the cloth is discharged to wind from the lower part of the bottom roller 6 and pass between the compression roller 5 and the fixed roller 4, and then the cloth is wound to a subsequent mechanism,

the operation is as follows: after the machine is started, because the subsequent mechanism pulls the cloth to enable the rotating shaft 2 to rotate and begin to unreel, the pulling support of the cloth enables the bottom roller 6 to be lifted, and simultaneously drives the swing rod 7 to enable the press roller 5 and the fixed roller 4 to be separated from a propping state, the cloth keeps a good tensioning state, which is an ideal unreeling state, when the pulling and unreeling of the rotating shaft 2 are fast, the unreeled cloth relaxes to enable the bottom roller 6 to move downwards, and simultaneously drives the swing rod 7 to enable the press roller 5 and the fixed roller 4 to prop up, the bottom roller 6 continuously moves downwards to enable the torsion spring 17 to be tightly pressed, the pressure between the press roller 5 and the fixed roller 4 is increased, the fixed roller 4 is decelerated, the cloth behind the fixed roller 4 keeps a good tensioning state, meanwhile, the traction force of the cloth roll on the rotating shaft 2 is reduced, the rotating shaft 2 starts to decelerate, the cloth between the rotating shaft 2 and the rotating shaft 2 starts to be reduced by, and the cloth can be automatically adjusted to enter a subsequent mechanism to keep a tensioning state, and the adjustment speed is very high.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a drop feed mechanism in gauze mask machine which characterized in that: comprises a supporting frame (1), a coil stock mounting frame and a tensioning frame, wherein the coil stock mounting frame comprises a rotating shaft (2), one end part of the rotating shaft (2) can be movably and rotatably arranged on the supporting frame (1) through a bearing seat (3), the rotating shaft (2) is used for installing a cloth roll, the tensioning frame comprises a fixed roller (4), a pressing roller (5), a bottom roller (6) and two L-shaped swing rods (7), the fixed roller (4) can be movably and rotatably arranged on the support frame (1), the two swing rods (7) can be freely and swingably arranged on the support frame (1), the press roll (5) and the bottom roll (6) can be movably and rotatably arranged on the two swing rods (7), the bottom roller (6) is positioned on a horizontal plane lower than the compression roller (5), and the swing rod (7) enables the bottom roller (6) to move downwards through swinging so that the compression roller (5) can be abutted against the fixed roller (4).

2. The emptying mechanism in the mask machine according to claim 1, which is characterized in that: coil stock mounting bracket is still including first kicking block (8) and second kicking block (9) that all are located pivot (2) surface, second kicking block (9) are located the outside of first kicking block (8), second kicking block (9) and pivot (2) cooperation of sliding, be equipped with screw-thread fit's handle screw (10) on second kicking block (9), handle screw (10) can be screwed up the top and lean on the sliding that pivot (2) are used for restricting second kicking block (9), first kicking block (8) and second kicking block (9) all are equipped with conical surface (11) and mutually support and are used for installing the cloth and roll up.

3. The emptying mechanism in the mask machine according to claim 2, characterized in that: be equipped with fixed block (12) that are located between first kicking block (8) and second kicking block (9) on pivot (2), install in pivot (2) fixed block (12) through antifriction bearing (13) that are equipped with, first kicking block (8) screw-thread fit is at the surface of pivot (2), first kicking block (8) and fixed block (12) fixedly connected with spring (14), spring (14) cover is established and is in compression state on pivot (2) all the time.

4. The emptying mechanism in the mask machine according to claim 2, characterized in that: the rotating shaft (2) is provided with a plane (15) matched with the second ejector block (9) in a sliding mode, and the plane (15) is used for screwing and propping of a handle screw (10).

5. The emptying mechanism in the mask machine according to claim 1, which is characterized in that: the compression roller (5) is installed two through two pendulum strips (16) that are equipped with on pendulum rod (7), two pendulum strip (16) are articulated mutually with two pendulum rods (7) respectively, and all are equipped with torsional spring (17) in every articulated department, pendulum strip (16) and pendulum rod (7) are equipped with screens portion (18) at restriction torsional spring (17) both ends respectively.