CN219314188U - Safety protection device of cloth paving machine - Google Patents

Abstract

The utility model provides a safety protection device of a cloth paving machine, which comprises a support main body, a rotating main body, a first guard rail and a first swinging structure, wherein the rotating main body is rotatably arranged on the support main body; the outer walls at two ends of the rotating main body are respectively provided with at least two first swinging structures, the first guard rail surrounds the outer side of the rotating main body, and the first guard rail is fixedly connected with the first swinging structures. The utility model has the advantages that: the rotation main part is in the in-process that drives the cloth to rotate if touch personnel on every side, because of first rail guard is in the outside of rotation main part tip, consequently with personnel on every side direct contact must be first rail guard, and first rail guard can swing under the effect of first oscillating structure and realize the cushioning effect to personnel on every side can be avoided bumping.

Description

Safety protection device of cloth paving machine

[ field of technology ]

The utility model relates to the technical field of cloth paving machines, in particular to a safety protection device of a cloth paving machine.

[ background Art ]

The cloth paving machine is a machine for paving cloth layer by layer on a cutting table in an aligned mode for cutting. When the cloth paving machine is used for paving cloth, the cloth paving machine only needs to move back and forth to enable the cloth to be paved layer by layer for the cloth which has no directivity requirement such as knitted cloth and woven cloth; however, for cloth with directivity requirements (such as plush toys, etc. with requirements for Mao Xiang and cloth cover orientation), the conventional cloth cannot meet the requirement because the cloth needs to be laid according to the uniform wool direction all the time.

In order to solve the problem that the conventional cloth paving machine cannot meet the paving requirement of cloth with directivity, chinese patent application No. 202222886630.6 discloses a rotary cloth paving machine, which comprises a cloth guide assembly, a pressing and discharging assembly, a first moving assembly and a rotating assembly, wherein the first moving assembly comprises a first moving bearing frame and a first moving driving body, the cloth guide assembly, the pressing and discharging assembly and the rotating assembly are arranged on the first moving bearing frame, the rotating assembly comprises a rotating bearing seat and a rotating driving body, the cloth guide assembly and the pressing and discharging assembly are arranged on the upper surface of the rotating bearing seat, the rotating bearing seat is rotationally connected with the upper surface of the first moving bearing frame, the rotating driving body drives the rotating bearing seat to rotate, and the rotating bearing seat is driven by the rotating driving body to rotate with the cloth guide assembly and the pressing and discharging assembly, so that reverse cloth paving can be performed. However, the rotary spreader is not provided with any protective measures, which can easily hurt surrounding personnel during rotation. In view of the above problems, the present inventors have conducted intensive studies on the problems, and have produced the present utility model.

[ utility model ]

The utility model aims to solve the technical problem of providing a safety protection device of a cloth paving machine, which solves the problem that the existing rotary cloth paving machine is not provided with any protection measures, so that surrounding personnel are easy to be injured in the rotating process.

The utility model is realized in the following way: the safety protection device of the cloth paving machine comprises a supporting main body, a rotating main body, a first guard rail and a first swinging structure, wherein the rotating main body is rotatably arranged on the supporting main body; the outer walls at two ends of the rotating main body are respectively provided with at least two first swinging structures, the first guard rail surrounds the outer side of the rotating main body, and the first guard rail is fixedly connected with the first swinging structures.

Further, the lamp comprises a protective cover, a lamp strip and a lamp strip controller; the outer walls at two ends of the supporting main body are provided with the protective covers, and the lamp strips are embedded into the outer walls of the protective covers; the lamp strip controller is fixed on the supporting main body, and the lamp strip is electrically connected with the lamp strip controller.

Further, the device also comprises a second guard rail and a second swinging structure; the cutter component is arranged on the rotating main body; the outside at cutter unit spare both ends all surrounds and is provided with the second rail guard, just the one end of second rail guard is connected with cutter unit spare through the second oscillating structure.

Further, the two ends of the protective cover far away from one side of the supporting main body are respectively provided with a first inclined plane, and the two sides of the protective cover far away from one side of the supporting main body are respectively provided with a second inclined plane; the juncture of the first inclined plane and the second inclined plane and the juncture of the two second inclined planes are both provided with the lamp strip.

Further, the protective cover comprises a first splicing main body which is positioned at two ends and used for forming the first inclined plane and a second splicing main body which is positioned at two sides and used for forming the second inclined plane; the first splicing main body is provided with a first clamping piece in a downward extending mode at the edge of the splicing position of the first splicing main body and the second splicing main body; the second splicing main bodies downwards extend at the edges of the splicing positions of the second splicing main bodies and the first splicing main bodies to form second clamping pieces, and the edges of the two second splicing main bodies at the splicing positions downwards extend to form third clamping pieces; the lamp strip is clamped between the first clamping piece and the second clamping piece and between the two third clamping pieces.

Further, the first swing structure comprises a first fixing seat, a first swing rod, a second swing rod and a first spring;

the first fixing seat is fixed on the outer wall of the rotating main body; one end of the first swing rod is rotationally connected with the first fixing seat, the other end of the first swing rod is rotationally connected with one end of the second swing rod, and the other end of the second swing rod is fixedly connected with the first guard rail; one end of the first spring is fixedly connected with the first fixing seat, and the other end of the first spring is fixedly connected with the other end of the first swing rod.

Further, the rotating body comprises a middle layer split body which is rotatably connected with the supporting body and an upper layer split body which is movably connected with the middle layer split body; the first swing structure is arranged on the outer wall of the middle layer split body.

Furthermore, the outer parts of the two ends of the middle layer split body are respectively provided with a protective shell, and movable openings for the first swing structure to extend and move are formed in the protective shells.

Further, the second swinging structure comprises a second fixing seat, a third swinging rod and a second spring;

the second fixing seat is fixedly connected with the cutter assembly; one end of the third swing rod is rotationally connected with the second fixing seat, and the other end of the third swing rod is fixedly connected with the second protective fence; the two sides of the third swing rod are respectively provided with a second spring, one end of each second spring is fixedly connected with the second fixing seat, and the other end of each second spring is fixedly connected with the other end of the third swing rod.

By adopting the technical scheme of the utility model, the utility model has at least the following beneficial effects:

1. the outer sides of the two ends of the rotating main body are surrounded by first guard rails, and the first guard rails are connected with the outer wall of the rotating main body through a first swinging structure; so that if the rotating main body touches surrounding people in the process of driving the cloth to rotate, the first guard rail is positioned at the outer side of the end part of the rotating main body, therefore, the first guard rail is in direct contact with surrounding personnel, and the first guard rail can swing under the action of the first swing structure to realize the buffer effect, so that the surrounding personnel can be prevented from being injured.

2. The outer walls at two ends of the supporting main body are provided with protective covers, the outer walls of the protective covers are provided with lamp belts, and the lamp belts are electrically connected with a lamp belt controller; when the automatic cloth paving machine works specifically, the lamp belts can be controlled to light the lights with different colors according to different working states of the cloth paving machine, so that on one hand, surrounding personnel can know the working states of the cloth paving machine at any time conveniently, on the other hand, the automatic cloth paving machine can also play a role in prompting the surrounding personnel, and the surrounding personnel can walk away in time after the dangerous signals are found, so that the automatic cloth paving machine has a protection effect on the surrounding personnel.

3. The outer sides of the two ends of the cutter assembly are respectively provided with a second guard rail, and the second guard rails are connected with the cutter assembly through a second swinging structure; the rotary main body is enabled to drive the cutter assembly to rotate in the process of contacting with surrounding personnel, and the second guard rail is located on the outer side of the end part of the cutter assembly, so that the second guard rail is necessarily in direct contact with the surrounding personnel, and the second guard rail can swing under the action of the second swing structure to realize the buffer effect, so that the cutter assembly can be prevented from damaging the surrounding personnel in the rotating process.

[ description of the drawings ]

The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.

FIG. 1 is a block diagram of a safety shield apparatus of the present utility model;

FIG. 2 is an overall view of the paving machine with the safety device of the present utility model;

FIG. 3 is a splice construction diagram of a first splice body and a second splice body according to the present utility model;

FIG. 4 is a block diagram of a first splice body of the present utility model;

FIG. 5 is a block diagram of a light strip of the present utility model;

FIG. 6 is a diagram showing the connection structure of the split layer, the first swing structure and the second swing structure in the present utility model;

FIG. 7 is an enlarged view of the portion A of FIG. 6;

FIG. 8 is an enlarged view of the portion B of FIG. 6;

fig. 9 is a structural view of the upper layer split in the present utility model.

Reference numerals illustrate:

a support body 1;

a rotating body 2, a middle-layer split body 21, a driving motor 211, a driving gear 212, an upper-layer split body 22 and a rack 221;

a first guard rail 3;

the first swing structure 4, the first fixing seat 41, the first swing link 42, the second swing link 43 and the first spring 44;

the protective cover 5, the first inclined surface 51, the second inclined surface 52, the first splicing body 53, the first clamping piece 531, the second splicing body 54, the second clamping piece 541 and the third clamping piece 542;

a lamp strip 6;

a second guard rail 7;

the second swing structure 8, the second fixing seat 81, the third swing rod 82, the extension 821 and the second spring 83;

a cutter assembly 9;

the housing 10, the movable opening 101 is protected.

[ detailed description ] of the utility model

In order to better understand the technical scheme of the present utility model, the following detailed description will refer to the accompanying drawings and specific embodiments.

It should be noted herein that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing these embodiments and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operate in a specific orientation. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.

Example 1

Referring to fig. 1 to 9, a preferred embodiment of a safety device of a cloth paving machine according to the present utility model is provided, in particular, for a rotary cloth paving machine; the safety protection device comprises a support main body 1, a rotating main body 2 rotatably arranged on the support main body 1, a first guard rail 3 and a first swinging structure 4; the outer walls of the two ends of the rotating main body 2 are respectively provided with at least two first swinging structures 4, the first guard rail 3 surrounds the outer side of the rotating main body 2, and the first guard rail 3 is fixedly connected with the first swinging structures 4; wherein the supporting body 1 is used for supporting each component; the rotary main body 2 is in rotary connection with the support main body 1, and the rotary main body 2 can drive the cloth to rotate 180 degrees to realize reversing when in operation, so that cloth can be paved in the round trip process of the cloth paving machine, and the cloth with directivity requirements can be paved according to uniform wool directions; the first guard rail 3 and the first swinging structure 4 are matched to protect surrounding personnel (or objects) and prevent the rotating body 2 from injuring the surrounding personnel (or objects) during the rotating process.

The first guard rail 3 is arranged outside two ends of the rotating main body 2 in a surrounding mode, and the first guard rail 3 is connected with the outer wall of the rotating main body 2 through the first swinging structure 4; so that the rotating main body 2 is contacted with surrounding personnel in the process of driving the cloth to rotate, because the first guard rail 3 is positioned at the outer side of the end part of the rotating main body 2, the first guard rail 3 is necessarily in direct contact with the surrounding personnel, and the first guard rail 3 can swing under the action of the first swing structure 4 to realize the buffering effect, thereby avoiding the surrounding personnel from being injured by the collision.

In a preferred embodiment of the utility model, the safety device further comprises a protective cover 5, a light strip 6 and a light strip controller (not shown); the outer walls at two ends of the supporting main body 1 are provided with the protective covers 5, so that the protective covers 5 can be used for protecting the parts of the outer walls of the supporting main body 1; the lamp strip 6 is embedded in the outer wall of the protective cover 5; the lamp strip controller is fixed on the supporting main body 1, and the lamp strip 6 is electrically connected with the lamp strip controller so as to control the lamp strip 6 to work through the lamp strip controller.

According to the utility model, the protective covers 5 are arranged on the outer walls of the two ends of the supporting main body 1, the lamp strip 6 is arranged on the outer wall of the protective cover 5, and the lamp strip 6 is electrically connected with the lamp strip controller; when the automatic cloth paving machine works specifically, the lamp strips 6 can be controlled to light the lights with different colors according to different working states of the cloth paving machine, so that on one hand, surrounding personnel can know the working states of the cloth paving machine at any time conveniently, and on the other hand, the automatic cloth paving machine also has a prompting function on the surrounding personnel, so that the surrounding personnel can walk away in time after the dangerous signals are found, and the surrounding personnel are protected; for example, when the rotating body 2 drives the cloth to rotate, the lamp strip controller can control the lamp strip 6 to light up red lamps and flash to prompt surrounding personnel to have danger; for another example, the lamp strip controller may control the lamp strip 6 to turn on a yellow lamp or the like when the cloth is cut by the cloth paving machine.

In a preferred embodiment of the utility model, the safety device further comprises a second guard rail 7 and a second swinging structure 8; the cutter assembly 9 is arranged on the rotating body 2; wherein, the second guard rail 7 and the second swinging structure 8 are matched to protect surrounding personnel (or objects), so as to prevent the cutter assembly 9 from injuring the surrounding personnel when the cutter assembly 9 is driven to rotate by the rotating body 2; the cutter assembly 9 is used for cutting the laid cloth, and the cutter assembly 9 is an assembly which is required by the existing cloth laying machine, and the specific structure thereof is well known to those skilled in the art, and the specific structure of the cutter assembly 9 is not described in detail herein.

The outer sides of the two ends of the cutter assembly 9 are respectively provided with the second guard rail 7 in a surrounding mode, and one end of the second guard rail 7 is connected with the cutter assembly 9 through a second swinging structure 8. The outer sides of two ends of the cutter assembly 9 are respectively provided with the second guard rail 7, and the second guard rail 7 is connected with the cutter assembly 9 through the second swinging structure 8; so that the rotating body 2 drives the cutter assembly 9 to rotate, if the cutter assembly 9 touches the surrounding personnel, the second guard rail 7 is located at the outer side of the end part of the cutter assembly 9, so that the second guard rail 7 is necessarily in direct contact with the surrounding personnel, and the second guard rail 7 can swing under the action of the second swing structure 8 to realize the buffering effect, so that the cutter assembly 9 can be prevented from injuring the surrounding personnel in the rotating process.

In the preferred embodiment of the present utility model, in order to better prompt surrounding personnel, the protective cover 5 is formed with a first inclined surface 51 at both ends of a surface far from the supporting main body 1, and the protective cover 5 is formed with a second inclined surface 52 at both sides of a surface far from the supporting main body 1; the junction of the first inclined surface 51 and the second inclined surface 52 and the junction of the two second inclined surfaces 52 are both provided with the lamp strip 6.

As a specific embodiment of the present utility model, the protective cover 5 includes a first splicing body 53 at both ends for forming the first inclined surface 51 and a second splicing body 54 at both sides for forming the second inclined surface 52; the first splicing body 53 is formed with a first clamping piece 531 extending downwards at the edge of the splicing position of the first splicing body 54 and the second splicing body; the second splicing body 54 extends downwards at the edge of the mutual splicing position of the second splicing body 54 and the first splicing body 53 to form a second clamping piece 541, and the edges of the two second splicing bodies 54 at the mutual splicing position extend downwards to form a third clamping piece 542; the lamp strip 6 is clamped between the first clamping piece 531 and the second clamping piece 541 and between the two third clamping pieces 542. By clamping the lamp strip 6 between the first clamping piece 531 and the second clamping piece 541 and between the two third clamping pieces 542, a fixing effect can be achieved on the lamp strip 6, and the lamp strip 6 is ensured not to fall off. When the first and second splice bodies 53 and 54 are spliced, the lower ends of the first and second clamp pieces 531 and 541, the lower ends of the two third clamp pieces 542, and other contact positions except for the first and second clamp pieces 531 and 541 may be welded and fixed together by welding.

As a specific embodiment of the present utility model, the light strip 6 is an acrylic light strip. The acrylic lamp strip has crystal transparency, light transmittance of over 92 percent, soft light and clear vision, the wear resistance of the acrylic plate is close to that of aluminum, the stability is good, the acrylic lamp strip can resist corrosion of various chemicals, and meanwhile, the acrylic lamp strip has excellent weather resistance, higher surface hardness and surface gloss and better high-temperature performance.

As a specific embodiment of the present utility model, the first swing structure 4 includes a first fixing seat 41, a first swing link 42, a second swing link 43, and a first spring 44;

the first fixing seat 41 is fixed on the outer wall of the rotating body 2, and specifically, the first fixing seat 41 can be fixed on the outer wall of the rotating body 2 by adopting a welding or bolt locking mode; one end of the first swing rod 42 is rotationally connected with the first fixing seat 41, the other end of the first swing rod 42 is rotationally connected with one end of the second swing rod 43, and the other end of the second swing rod 43 is fixedly connected with the first protective fence 3; one end of the first spring 44 is fixedly connected with the first fixing seat 41, and the other end of the first spring 44 is fixedly connected with the other end of the first swing rod 42. Because the first fixing seat 41 is connected with the other end of the first swing rod 42 through the first spring 44, and the first guard rail 3 is rotationally connected with the first swing rod 42 through the second swing rod 43, when the first guard rail 3 touches surrounding personnel, the first guard rail 3 can push the first swing rod 42 to swing through the second swing rod 43, and at the moment, the first spring 44 is in a compressed or stretching state, so that the first guard rail 3 can swing left and right to realize buffering, and when the first guard rail 3 is out of contact with the surrounding personnel, the first guard rail 3 and the first swing rod 42 can automatically return under the elastic force of the first spring 44.

In the preferred embodiment of the present utility model, the rotating body 2 includes a middle layer split 21 rotatably connected to the supporting body 1 and an upper layer split 22 movably connected to the middle layer split 21; the first swinging structure 4 is arranged on the outer wall of the middle layer split body 21. Because in the implementation, in order to better meet the practical cloth paving requirement, the middle layer split 21 and the upper layer split 22 can be designed to be movably connected, for example, the driving motor 211 and the driving gear 212 can be fixedly arranged on the middle layer split 21, meanwhile, the rack 221 is arranged on the upper layer split 22, the driving gear 212 is meshed with the rack 221, and the output end of the driving motor 211 is fixedly connected with the driving gear 212, so that the upper layer split 22 can be driven to transversely move through the driving motor 211 in the working process, and the positions of two sides of cloth can be adjusted.

In the preferred embodiment of the present utility model, the outer parts of the two ends of the middle layer split 21 are respectively provided with a protective housing 10, so as to protect the first swing structure 4 through the protective housing 10, and the protective housing 10 is provided with a movable opening 101 for the first swing structure 4 to extend and move, specifically, the second swing rod 43 of the first swing structure 4 can extend out of the movable opening 101, so as to fixedly connect the second swing rod 43 with the first guard rail 3.

As a specific embodiment of the present utility model, the second swinging structure 8 includes a second fixing seat 81, a third swinging rod 82, and a second spring 83;

the second fixing seat 81 is fixedly connected with the cutter assembly 9, and specifically, the second fixing seat 81 can be fixed on the cutter assembly 9 by adopting a welding or bolt locking mode; one end of the third swing rod 82 is rotatably connected with the second fixing seat 81, and the other end of the third swing rod 82 is fixedly connected with the second protective fence 7; the two sides of the third swing rod 82 are respectively provided with a second spring 83, one end of the second spring 83 is fixedly connected with the second fixing seat 81, the other end of the second spring 83 is fixedly connected with the other end of the third swing rod 82, when the device is in specific implementation, the two sides of the other end of the third swing rod 82 are respectively provided with an extension part 821 in an outward extending mode, and the second spring 83 is fixedly connected with the extension parts 821. Because the third swing rod 82 is rotationally connected with the second fixing seat 81, and the second springs 83 are arranged on two sides of the third swing rod 82, when the second protective fence 7 touches surrounding people, the third swing rod 82 can swing left and right, and further the second protective fence 7 can swing left and right to realize buffering, at the moment, one of the second springs 83 on two sides of the third swing rod 82 is in a compression state, and the other is in a tension state; when the second guard rail 7 is out of contact with surrounding persons, the second guard rail 7 and the third swing link 82 can automatically return under the action of the second spring 83.

The whole working principle of the safety protection device of the utility model is as follows: in the whole working process of the cloth paving machine, the lamp strip 6 can be controlled to light with the corresponding color according to the working state of the cloth paving machine, so that surrounding personnel can know the working state of the cloth paving machine in real time through the light color of the lamp strip 6, when the surrounding personnel realize dangerous signals according to the light color of the lamp strip 6, the surrounding personnel can walk away in time, for example, when the rotating main body 2 drives cloth to rotate, the lamp strip controller can control the lamp strip 6 to light a red light and flash, and therefore the surrounding personnel are reminded to keep away from the cloth paving machine. Meanwhile, when the rotating main body 2 of the cloth paving machine is in a rotating working state, even if the two ends of the rotating main body 2 touch surrounding personnel, the two ends of the cutter assembly 9 are provided with the first guard rails 3 because the two ends of the rotating main body 2 are provided with the second guard rails 7, the first guard rails 3 are connected with the outer wall of the rotating main body 2 through the first swinging structures 4, and the second guard rails 7 are connected with the cutter assembly 9 through the second swinging structures 8, so that the first guard rails 3 and the second guard rails 7 can swing left and right to realize buffering when touching the surrounding personnel, and the surrounding personnel can be prevented from being injured by collision.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.

Claims (9)

1. A safety protection device of a cloth paving machine comprises a supporting main body and a rotating main body rotatably arranged on the supporting main body; the method is characterized in that: the first protective fence and the first swinging structure are also included; the outer walls at two ends of the rotating main body are respectively provided with at least two first swinging structures, the first guard rail surrounds the outer side of the rotating main body, and the first guard rail is fixedly connected with the first swinging structures.

2. A safety device for a cloth paving machine as claimed in claim 1, wherein: the lamp strip also comprises a protective cover, a lamp strip and a lamp strip controller; the outer walls at two ends of the supporting main body are provided with the protective covers, and the lamp strips are embedded into the outer walls of the protective covers; the lamp strip controller is fixed on the supporting main body, and the lamp strip is electrically connected with the lamp strip controller.

3. A safety device for a cloth paving machine as claimed in claim 1, wherein: the second protective fence and the second swinging structure are also included; the cutter component is arranged on the rotating main body; the outside at cutter unit spare both ends all surrounds and is provided with the second rail guard, just the one end of second rail guard is connected with cutter unit spare through the second oscillating structure.

4. A safety device for a cloth paving machine as claimed in claim 2, wherein: the protective cover is provided with a first inclined surface at two ends far away from one surface of the supporting main body, and is provided with a second inclined surface at two sides far away from one surface of the supporting main body; the juncture of the first inclined plane and the second inclined plane and the juncture of the two second inclined planes are both provided with the lamp strip.

5. A safety device for a cloth paving machine as defined in claim 4, wherein: the protective cover comprises a first splicing main body which is positioned at two ends and used for forming the first inclined plane, and a second splicing main body which is positioned at two sides and used for forming the second inclined plane; the first splicing main body is provided with a first clamping piece in a downward extending mode at the edge of the splicing position of the first splicing main body and the second splicing main body; the second splicing main bodies downwards extend at the edges of the splicing positions of the second splicing main bodies and the first splicing main bodies to form second clamping pieces, and the edges of the two second splicing main bodies at the splicing positions downwards extend to form third clamping pieces; the lamp strip is clamped between the first clamping piece and the second clamping piece and between the two third clamping pieces.

6. A safety device for a cloth paving machine as claimed in claim 1, wherein: the first swing structure comprises a first fixed seat, a first swing rod, a second swing rod and a first spring;

the first fixing seat is fixed on the outer wall of the rotating main body; one end of the first swing rod is rotationally connected with the first fixing seat, the other end of the first swing rod is rotationally connected with one end of the second swing rod, and the other end of the second swing rod is fixedly connected with the first guard rail; one end of the first spring is fixedly connected with the first fixing seat, and the other end of the first spring is fixedly connected with the other end of the first swing rod.

7. A safety device for a cloth paving machine as claimed in claim 1, wherein: the rotating body comprises a middle layer split body which is rotatably connected with the supporting body and an upper layer split body which is movably connected with the middle layer split body; the first swing structure is arranged on the outer wall of the middle layer split body.

8. A safety device for a cloth paving machine as claimed in claim 7, wherein: the outer parts of the two ends of the middle layer split body are respectively provided with a protective shell, and movable openings for the first swing structure to extend and move are formed in the protective shells.

9. A safety device for a cloth paving machine as claimed in claim 3, wherein: the second swinging structure comprises a second fixed seat, a third swinging rod and a second spring;

the second fixing seat is fixedly connected with the cutter assembly; one end of the third swing rod is rotationally connected with the second fixing seat, and the other end of the third swing rod is fixedly connected with the second protective fence; the two sides of the third swing rod are respectively provided with a second spring, one end of each second spring is fixedly connected with the second fixing seat, and the other end of each second spring is fixedly connected with the other end of the third swing rod.

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