阅读说明：本技术 一种座框阻隔棉自动包覆装置 (Automatic cladding device of seat frame separation cotton ) 是由 孔航新 何俊 王柏林 于 2021-05-31 设计创作，主要内容包括：本发明涉及一种座框阻隔棉自动包覆装置,包括浮动机构,包括浮动台、与浮动台相连的用以实现浮动台上下位移的浮动组件；上下定位机构,包括悬空位于浮动台上方的定位盘、与定位盘相连的用以实现定位盘上下位移的伸缩组件；侧部定位机构,包括位于浮动台侧壁处的用以将阻隔棉内周缘抵紧在座框侧壁的定位侧板；包裹机构包括包裹件、与包裹件相连的用以实现包裹件朝座框底部周缘方向往复位移的推拉组件；包裹基座,所述浮动机构、上下定位机构、侧部定位机构、包裹机构均连接于包裹基座上。与现有技术相比,本发明替代了人工座框阻隔棉包覆工艺,实现了座框阻隔棉的自动化包覆,生产效率高,包裹质量有保证。(The invention relates to an automatic coating device for barrier cotton of a seat frame, which comprises a floating mechanism, a floating mechanism and a base, wherein the floating mechanism comprises a floating platform and a floating assembly which is connected with the floating platform and used for realizing the vertical displacement of the floating platform; the upper and lower positioning mechanism comprises a positioning disk which is suspended above the floating platform and a telescopic component which is connected with the positioning disk and is used for realizing the up and down displacement of the positioning disk; the side positioning mechanism comprises a positioning side plate which is positioned on the side wall of the floating platform and used for tightly abutting the inner periphery of the barrier cotton against the side wall of the seat frame; the wrapping mechanism comprises a wrapping piece and a push-pull assembly which is connected with the wrapping piece and is used for realizing the reciprocating displacement of the wrapping piece towards the peripheral direction of the bottom of the seat frame; the floating mechanism, the upper and lower positioning mechanisms, the lateral part positioning mechanism and the wrapping mechanism are all connected to the wrapping base. Compared with the prior art, the automatic seat frame barrier cotton coating device replaces a manual seat frame barrier cotton coating process, achieves automatic seat frame barrier cotton coating, is high in production efficiency, and ensures the coating quality.)

1. The utility model provides an automatic cladding device of seat frame separation cotton which characterized in that includes:

the floating mechanism comprises a floating platform and a floating assembly which is connected with the floating platform and used for realizing the up-and-down displacement of the floating platform;

the upper and lower positioning mechanism comprises a positioning disk which is suspended above the floating platform and a telescopic component which is connected with the positioning disk and is used for realizing the up and down displacement of the positioning disk;

the side positioning mechanism comprises a positioning side plate which is positioned on the side wall of the floating platform and used for tightly abutting the inner periphery of the barrier cotton against the side wall of the seat frame;

the wrapping mechanism comprises a wrapping piece and a push-pull assembly which is connected with the wrapping piece and is used for realizing the reciprocating displacement of the wrapping piece towards the peripheral direction of the bottom of the seat frame;

the floating mechanism, the upper and lower positioning mechanisms, the side positioning mechanism and the wrapping mechanism are all connected to the wrapping base;

the positioning disc moves downwards to enable the seat frame and the blocking cotton to be positioned between the positioning disc and the floating platform from top to bottom, the positioning disc continuously presses downwards to enable the positioning side plates to enable the inner circumferential edge of the blocking cotton to be tightly abutted to the side wall of the seat frame, the wrapping piece moves towards the bottom circumferential edge of the seat frame under the action of the push-pull assembly, and the outer circumferential edge of the blocking cotton, which is protruded out of the upper end of the side wall of the seat frame and located on the outer side of the inner circumferential edge of the blocking cotton, is wrapped at the bottom circumferential edge of the seat frame.

2. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the floating assembly comprises a guide plate, a floating guide rod and a first elastic piece, the floating guide rod penetrates through the guide plate in a sliding mode, the first elastic piece is sleeved on the floating guide rod, the upper end of the floating guide rod is connected with the lower portion of the floating platform, the upper end of the first elastic piece abuts against the floating platform, and the lower end of the first elastic piece abuts against the guide plate.

3. A seat frame barrier cotton automatic wrapping device according to claim 2, characterized in that: the parcel pedestal is connected with the base plate, pass through the screw rod between deflector and the base plate and be connected.

4. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: and a blocking cotton clamping jaw for positioning blocking cotton is arranged around the floating platform.

5. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the telescopic assembly comprises a telescopic driving electric cylinder connected to the wrapping base, and the positioning disc is connected with a telescopic lead screw on the telescopic driving electric cylinder.

6. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the upper and lower positioning mechanisms comprise vacuum adsorption components consisting of a controller, a sensor, a vacuum generator and a vacuum adsorption tube which are connected, and the positioning disc is provided with an adsorption port connected with the vacuum adsorption tube; when the sensor senses that the seat frame is arranged, the controller controls the vacuum generator to be started, so that the seat frame is positioned on the positioning plate in an adsorption mode.

7. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: and the positioning plate is provided with a positioning notch or a positioning bulge matched with the seat frame.

8. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the positioning side plate is connected with a linear guide rod on a linear bearing, and a second elastic part with one end abutting against the positioning side plate and the other end abutting against the linear bearing is sleeved on the linear guide rod.

9. A seat frame barrier cotton automatic wrapping device according to claim 8, wherein: and the same side surface of the positioning side plate is connected with at least two linear guide rods.

10. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the wrapping piece comprises a sliding plate, and the sliding plate is displaced towards the bottom periphery of the seat frame under the action of the push-pull assembly, so that the sliding plate presses and wraps the periphery of the blocking cotton on the bottom periphery of the seat frame.

11. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the wrapping piece comprises a sliding plate, a wrapping driving cylinder connected to the sliding plate, a connecting plate connected with a wrapping driving air rod on the wrapping driving cylinder, and a wrapping plate hinged with the sliding plate; wherein the connecting plate is connected with first hinge pin, and first hinge pin articulates there is first hinge, and the parcel board is connected with the second hinge, and first hinge is articulated through the second hinge pin with the second hinge, and the parcel board realizes the upset when parcel drive gas pole promotes the connecting plate, presses the cotton outer peripheral edge of separation on the notched seat frame bottom recess inside wall in bottom.

12. A seat frame barrier cotton automatic wrapping device according to claim 10 or 11, wherein: the push-pull assembly comprises a push-pull driving electric cylinder connected to the base, and a push-pull lead screw on the push-pull driving electric cylinder is connected with the sliding plate through a joint bearing.

13. A seat frame barrier cotton automatic wrapping device according to claim 10 or 11, wherein: the parcel base is provided with a guide groove for accommodating two side edges of the sliding plate, and the sliding plate can slide along the guide groove.

14. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: the parcel base is last to open and to dodge the opening, the floating platform can be in dodging the opening displacement from top to bottom, the parcel is located and dodges opening upper end mouth outer peripheral edge department, the location curb plate is located and dodges opening inside wall department and fixes a position the curb plate up end and be less than and dodge opening upper end mouth outer peripheral edge.

15. A seat frame barrier cotton automatic wrapping device according to claim 14, wherein: the parcel base includes upper base, the lower base that links to each other from top to bottom, dodge the opening and be located the lower base.

16. A seat frame barrier cotton automatic wrapping device according to claim 15, wherein: the upper and lower positioning mechanisms are connected to the upper base, and the floating mechanism, the side positioning mechanism and the wrapping mechanism are connected to the lower base.

17. A seat frame barrier cotton automatic wrapping device according to claim 1, characterized in that: and the package base is connected with a positioning stop post for positioning the placing position of the seat frame.

Technical Field

The invention relates to the technical field of furniture, in particular to an automatic coating device for seat frame barrier cotton.

Background

In order to make the seat part of the seat soft and comfortable, many manufacturers set soft materials such as sponge on the seat frame, and then wrap barrier cotton outside the soft materials such as sponge; at present, the process of coating the seat frame with the barrier cotton is manual, and generally comprises the following steps of cutting the barrier cotton with a specific size → coating the barrier cotton on the seat frame → nailing a gun nail between the bottom periphery of the seat frame and the periphery of the barrier cotton.

Therefore, the coating of the barrier cotton is manually realized, so that the efficiency is low, the yield is low, the coating is not suitable for batch production, the coating quality is uneven, and the quality cannot be ensured.

In order to overcome the defects in the prior art, the invention provides the automatic covering device for the seat frame barrier cotton, which realizes the automatic covering of the seat frame barrier cotton, has high production efficiency and ensures the covering quality.

Disclosure of Invention

The invention overcomes the defects in the prior art, provides the automatic covering device for the seat frame barrier cotton, realizes the automatic covering of the seat frame barrier cotton, and has high production efficiency and guaranteed covering quality.

The technical scheme of the invention is realized as follows:

an automatic cladding device of seat frame separation cotton comprises:

the floating mechanism comprises a floating platform and a floating assembly which is connected with the floating platform and used for realizing the up-and-down displacement of the floating platform;

the upper and lower positioning mechanism comprises a positioning disk which is suspended above the floating platform and a telescopic component which is connected with the positioning disk and is used for realizing the up and down displacement of the positioning disk;

the side positioning mechanism comprises a positioning side plate which is positioned on the side wall of the floating platform and used for tightly abutting the inner periphery of the barrier cotton against the side wall of the seat frame;

the wrapping mechanism comprises a wrapping piece and a push-pull assembly which is connected with the wrapping piece and is used for realizing the reciprocating displacement of the wrapping piece towards the peripheral direction of the bottom of the seat frame;

the floating mechanism, the upper and lower positioning mechanisms, the side positioning mechanism and the wrapping mechanism are all connected to the wrapping base;

the positioning disc moves downwards to enable the seat frame and the blocking cotton to be positioned between the positioning disc and the floating platform from top to bottom, the positioning disc continuously presses downwards to enable the positioning side plates to enable the inner circumferential edge of the blocking cotton to be tightly abutted to the side wall of the seat frame, the wrapping piece moves towards the bottom circumferential edge of the seat frame under the action of the push-pull assembly, and the outer circumferential edge of the blocking cotton, which is protruded out of the upper end of the side wall of the seat frame and located on the outer side of the inner circumferential edge of the blocking cotton, is wrapped at the bottom circumferential edge of the seat frame.

The invention replaces the manual seat frame barrier cotton wrapping process, realizes the automatic wrapping of the seat frame barrier cotton, has high production efficiency and ensures the wrapping quality; the specific operation process is that a seat frame and barrier cotton are sequentially placed between a positioning disc and a floating platform from top to bottom, then the positioning disc moves downwards to position the seat frame and the barrier cotton between the positioning disc and the floating platform, the positioning disc continuously presses downwards to enable a positioning side plate to enable the inner peripheral edge of the barrier cotton to be tightly pressed against the side wall of the seat frame (meanwhile, the barrier cotton is tightly wrapped and compacted at the top of the seat frame), a wrapping piece moves towards the periphery of the bottom of the seat frame under the action of a push-pull assembly, the outer peripheral edge of the barrier cotton protruding out of the upper end of the side wall of the seat frame is wrapped at the periphery of the bottom of the seat frame, the inner peripheral edge of the barrier cotton and the outer peripheral edge of the barrier cotton form a barrier cotton peripheral edge, and the inner peripheral edge of the barrier cotton is located on the inner side of the outer peripheral edge of the barrier cotton (in terms of the barrier cotton in a planar state); the process of obstructing the cotton package does not need manual operation, thereby effectively realizing the package automation, and having high production efficiency and good quality.

Preferably, the floating assembly comprises a guide plate, a floating guide rod which is slidably arranged through the guide plate, and a first elastic part which is sleeved on the floating guide rod, the upper end of the floating guide rod is connected with the lower part of the floating platform, the upper end of the first elastic part is abutted against the floating platform, and the lower end of the first elastic part is abutted against the guide plate.

The first elastic piece is compressed and reset to realize the up-and-down displacement of the floating platform, so that the structure is simple and the maintenance is convenient; wherein the first resilient member is typically a spring.

Preferably, the wrapping base is connected with a base plate, and the guide plate is connected with the base plate through a screw.

The height adjustment of the guide plate can be realized through the arrangement of the screw rod, and then the device can be applied to the blocking cotton coating of seat frames with different heights, and the application range is wider.

Preferably, a blocking cotton clamping jaw used for positioning blocking cotton is arranged around the floating platform.

To position the barrier cotton between the puck and the floating stage.

Preferably, the telescopic assembly comprises a telescopic driving electric cylinder connected to the wrapping base, and the positioning disc is connected with a telescopic screw rod on the telescopic driving electric cylinder.

The telescopic driving electric cylinder is driven to drive the telescopic screw rod to stretch, so that the positioning disc connected to the telescopic screw rod is driven to move up and down in a telescopic mode.

Preferably, the upper and lower positioning mechanisms comprise vacuum adsorption components consisting of a controller, a sensor, a vacuum generator and a vacuum adsorption tube which are connected, and the positioning disc is provided with an adsorption port connected with the vacuum adsorption tube; when the sensor senses that the seat frame is arranged, the controller controls the vacuum generator to be started, so that the seat frame is positioned on the positioning plate in an adsorption mode.

The problem of difficulty in accurate positioning of the seat frame is solved, and the vacuum adsorption assembly is particularly adopted to position the seat frame, so that the accuracy and stability are realized, the coating quality is effectively guaranteed, and the production efficiency is higher; and the parts are few.

Preferably, the positioning plate is provided with a positioning notch or a positioning bulge matched with the seat frame.

The accuracy, stability and high efficiency of location between positioning disk and the seat frame are improved.

Preferably, the positioning side plate is connected with a linear guide rod on a linear bearing, and a second elastic part with one end abutting against the positioning side plate and the other end abutting against the linear bearing is sleeved on the linear guide rod.

In the coating process, the positioning side plate can always tightly support the inner periphery of the barrier cotton on the side wall of the seat frame, so that the compactness and stability of the coating are ensured, and the product quality is improved; wherein the second resilient member is typically a spring.

Preferably, the same side surface of the positioning side plate is connected with at least two linear guide rods.

The stability and the comprehensiveness of the positioning side plate in abutting are enhanced.

Preferably, the wrapping piece comprises a sliding plate, and the sliding plate is displaced towards the bottom periphery of the seat frame under the action of the push-pull assembly, so that the sliding plate presses and wraps the blocking cotton periphery on the bottom periphery of the seat frame.

The sliding plate presses the periphery of the blocking cotton tightly on the periphery of the bottom of the seat frame, so that the periphery of the blocking cotton is coated on the periphery of the bottom of the seat frame.

Preferably, the wrapping piece comprises a sliding plate, a wrapping driving cylinder connected to the sliding plate, a connecting plate connected with a wrapping driving air rod on the wrapping driving cylinder, and a wrapping plate hinged with the sliding plate; wherein the connecting plate is connected with first hinge pin, and first hinge pin articulates there is first hinge, and the parcel board is connected with the second hinge, and first hinge is articulated through the second hinge pin with the second hinge, and the parcel board realizes the upset when parcel drive gas pole promotes the connecting plate, presses the cotton outer peripheral edge of separation on the notched seat frame bottom recess inside wall in bottom.

For some seat frames with grooves on the bottom periphery, the outer periphery of the blocking cotton needs to be connected with the inner side wall of the groove on the bottom of the seat frame, so that the seat frame is firm and not easy to fall off, and is more attractive; therefore, the packaging plate needs to be turned over, and the outer periphery of the blocking cotton is pressed on the inner side wall of the groove at the bottom of the seat frame; the foldable wrapping plate is foldable through the hinge structure design of the first hinge, the second hinge, the first hinge pin and the second hinge pin.

Preferably, the push-pull assembly comprises a push-pull driving electric cylinder connected to the base, and a push-pull screw rod on the push-pull driving electric cylinder is connected with the sliding plate through a joint bearing.

The setting of joint bearing can adjust the stroke that slides of sliding plate to a certain extent, specifically, when there is the clearance between the lateral wall of the parcel board after turning over the book and the inside wall of seat frame bottom recess, joint bearing can adjust back the stroke that slides of sliding plate, and then eliminates the clearance to this guarantees that the parcel board can compress tightly the cotton outer peripheral edge of separation on the inside wall of seat frame bottom recess, increases wrapped fastness, stability.

Preferably, the wrapping base is provided with guide grooves for accommodating two side edges of the sliding plate, and the sliding plate can slide along the guide grooves.

The setting of guide way has increased the accuracy and the stability of slide board sliding direction, and then guarantees the parcel board parcel cotton outer peripheral edges of separation to the peripheral standard uniformity in seat frame bottom, guarantees product quality's stability.

Preferably, an avoiding opening is formed in the wrapping base, the floating platform can move up and down in the avoiding opening, the wrapping piece is located at the outer periphery of the upper port of the avoiding opening, the positioning side plate is located at the inner side wall of the avoiding opening, and the upper end face of the positioning side plate is lower than the outer periphery of the upper port of the avoiding opening.

The positioning side plate is arranged at the position of the inner side wall of the avoiding opening, the seat frame, the blocking cotton and the floating platform are guaranteed to descend to the position of avoiding the opening, the positioning side plate is abutted against the inner circumferential edge of the blocking cotton tightly on the side wall of the seat frame, and the upper end face of the positioning side plate is lower than the outer circumferential edge of the avoiding opening upper end opening, so that the positioning side plate can interfere with the operation of a wrapping piece when the positioning side plate is avoided.

Preferably, the wrapping base comprises an upper base and a lower base which are connected up and down, and the avoiding opening is located on the lower base.

Preferably, the upper and lower positioning mechanisms are connected to the upper base, and the floating mechanism, the side positioning mechanism and the wrapping mechanism are connected to the lower base.

The positioning disk of the upper and lower positioning mechanisms can be suspended on the floating platform, so that the seat frame and the blocking cotton can be conveniently placed.

Preferably, the parcel base is connected with a positioning stop post for positioning the placing position of the seat frame.

The beneficial effects of the invention adopting the technical scheme are as follows:

the automatic covering device for the seat frame barrier cotton provided by the invention realizes automatic covering of the seat frame barrier cotton, is high in production efficiency and ensures the covering quality. The invention replaces the manual seat frame barrier cotton wrapping process, realizes the automatic wrapping of the seat frame barrier cotton, has high production efficiency and ensures the wrapping quality; the specific operation process is that the seat frame and the barrier cotton are sequentially placed between the positioning disc and the floating platform from top to bottom, then the positioning disc moves downwards to position the seat frame and the barrier cotton between the positioning disc and the floating platform, the positioning disc continuously presses downwards to enable the positioning side plates to enable the inner peripheral edges of the barrier cotton to be tightly abutted to the side walls of the seat frame (meanwhile, the barrier cotton at the top of the seat frame is tightly wrapped), the wrapping piece moves towards the periphery of the bottom of the seat frame under the action of the push-pull assembly, and the outer peripheral edges of the barrier cotton protruding out of the upper end of the side walls of the seat frame are wrapped at the periphery of the bottom of the seat frame; the process of obstructing the cotton package does not need manual operation, thereby effectively realizing the package automation, and having high production efficiency and good quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the apparatus of the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of the portion B in FIG. 1;

FIG. 4 is a schematic view of the engagement structure of the wrapping member, the push-pull assembly and the spherical plain bearing;

FIG. 5 is an enlarged view of the portion C of FIG. 4;

FIG. 6 is another schematic overall structure diagram of the apparatus of the present embodiment;

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

FIG. 8 is a schematic structural view between the side positioning mechanism and the fixing plate;

FIG. 9 is a schematic view of a structure in which a seat frame is placed above barrier cotton;

reference numerals:

the packaging base 200, the upper base 201, the lower base 202, the floating platform 210, the guide plate 211, the floating guide rod 212, the first elastic piece 213, the base plate 214, the screw 215, the positioning disc 220, the positioning notch 2201, the telescopic guide rod 2202, the positioning rod 2203, the telescopic driving electric cylinder 221, the positioning side plate 230, the linear bearing 231, the linear guide rod 232, the second elastic piece 233, the fixing plate 234, the inclined surface 235, the guide groove 236, the packaging piece 240, the sliding plate 2401, the packaging driving air cylinder 2402, the connecting plate 2403, the packaging plate 2404, the first hinge pin 5, the first hinge 2406, the second hinge pin 2407, the second hinge pin 2408, the push-pull driving electric cylinder 241, the knuckle bearing 242, the avoiding opening 250, the blocking cotton 400, the blocking cotton inner peripheral edge 410a, the blocking cotton outer peripheral edge 410b, the seat frame 500, the seat frame bottom peripheral edge 510, the seat frame side wall 520 and the seat frame bottom groove 530.

Detailed Description

The specific embodiment of the invention is as follows:

it should be noted that the present embodiment refers to the reference orientation, wherein "up and down" means the longitudinal direction; the "bottom" of the "bottom peripheral edge of the seat frame" means a lower surface of the seat frame when the user sits on the seat, and is not a sitting surface.

Example (b):

an automatic covering device for barrier cotton of a seat frame is shown in figures 1-9 and comprises a covering base 200, wherein the covering base 200 comprises an upper base 201 and a lower base 202 which are connected up and down, and an avoiding opening 250 is formed in the lower base 202; the upper base 201 is connected with an upper and lower positioning mechanism, and the lower base 202 is connected with a floating mechanism, a side positioning mechanism and a wrapping mechanism.

Specifically, the floating mechanism comprises a floating platform 210 provided with blocking cotton clamping jaws (not shown) for positioning the blocking cotton 400 at the periphery, and a floating assembly connected with the floating platform 210 for realizing the up-and-down displacement of the floating platform 210; specifically, the upper surface of the floating platform 210 is matched with the top surface of the seat frame, and the upper surface of the floating platform 210 is in a certain arc-shaped concave shape, so that the floating platform 210 has the function of positioning the seat frame 500 and has good coating stability; the floating assembly comprises a guide plate 211, a floating guide rod 212 slidably penetrating through the guide plate 211 and a first elastic part 213 (adopting a spring) sleeved on the floating guide rod 212, wherein the upper end of the floating guide rod 212 is connected with the lower part of the floating platform 210, the upper end of the first elastic part 213 is abutted against the lower surface of the floating platform 210, and the lower end of the first elastic part 213 is abutted against the upper surface of the guide plate 211; the wrapping base 200 is connected with a base plate 214 which is arranged perpendicular to the guide plate 211, and the guide plate 211 is connected with the base plate 214 through a screw 215; wherein the floating guide rods 212 comprise five evenly distributed guide rods, and the base plates 214 are arranged on two sides of the five floating guide rods 212.

The up-down positioning mechanism comprises a positioning disk 220 suspended above the floating platform 210 and a telescopic component connected with the positioning disk 220 and used for realizing up-down displacement of the positioning disk 220; the flexible subassembly is including connecting the flexible drive electric cylinder 221 on the upper base 201, positioning disk 220 is connected with the flexible lead screw on the flexible drive electric cylinder 221, positioning disk 220 is connected with flexible guide arm 2202, and flexible guide arm 2202 slides and wears to locate upper base 201, effectively guarantees the stability of positioning disk 220 upper and lower displacement. In addition, the up-down positioning mechanism further comprises a vacuum adsorption assembly consisting of a controller, a sensor, a vacuum generator and a vacuum adsorption tube which are connected, and an adsorption port connected with the vacuum adsorption tube is formed on the positioning disc 220; when the sensor senses that the seat frame 500 exists, the controller controls the vacuum generator to be started, so that the seat frame 500 is positioned on the positioning plate 220 in an adsorption mode; in order to further enhance the stability and accuracy of positioning, a positioning notch 2201 matched with the seat frame 500 is provided on the positioning plate 220, the positioning notch 2201 is formed by an outer side wall of the positioning plate 220 and a positioning rod 2203 located on the outer side wall of the positioning plate 220, the positioning plate 220 is embedded in the groove 530 at the bottom of the seat frame, and the seat frame side wall 520 is located in the positioning notch 2201.

The side positioning mechanism comprises four positioning side plates 230 which are positioned on the side wall of the floating platform 210 and used for tightly abutting the inner peripheral edge 410a of the barrier cotton against the side wall 520 of the seat frame, and the four positioning side plates 230 can respectively tightly abut against the periphery of the side wall 520 of the seat frame; specifically, the positioning side plate 230 is connected to a linear guide rod 232 on a linear bearing 231, a second elastic member 233 (adopting a spring) having one end abutting against the positioning side plate 230 and the other end abutting against the linear bearing 231 is sleeved on the linear guide rod 232, and the linear bearing 510 is connected to the lower base 201 through a fixing plate 234; two linear guide rods 232 are connected to the same side of the positioning side plate 230. In addition, the upper end surface of the positioning side plate 230 is a slope 235, which facilitates the entrance of the seat frame 500.

The wrapping mechanism comprises four wrapping pieces 240 (wrapping the periphery of the bottom periphery 510 of the seat frame), and a push-pull assembly connected with the wrapping pieces 240 and used for realizing the reciprocating displacement of the wrapping pieces 240 towards the bottom periphery 510 of the seat frame; specifically, the wrapping piece 240 comprises a sliding plate 2401, a wrapping driving cylinder 2402 connected to the sliding plate 2401, a connecting plate 2403 connected to a wrapping driving air rod on the wrapping driving cylinder 2402, and a wrapping plate 2404 hinged to the sliding plate 2401; the connecting plate 2403 is connected with a first hinge pin 2405, the first hinge pin 2405 is hinged with a first hinge 2406, the wrapping plate 2404 is connected with a second hinge 2407, the first hinge 2406 and the second hinge 2407 are hinged through a second hinge pin 2408, when the wrapping driving air rod pushes the connecting plate 2403, the wrapping plate 2404 is turned over, and the outer periphery 410b of the blocking cotton is pressed on the inner side wall of the bottom groove 530 of the seat frame with the groove at the bottom; in order to enhance the stability of the sliding plate 2401, the wrapping base 200 is provided with guide slots 236 for accommodating two side edges of the sliding plate 2401, and the sliding plate 2401 can slide along the guide slots 236; the push-pull assembly comprises a push-pull driving electric cylinder 241 connected to the base, and a push-pull lead screw on the push-pull driving electric cylinder 241 is connected with the sliding plate 2401 through a joint bearing 242.

The floating platform 210 can be displaced up and down in the bypass opening 250, the wrapping member 240 is located at the outer periphery of the upper port of the bypass opening 250, the positioning side plate 230 is located at the inner side wall of the bypass opening 250, and the upper end surface of the positioning side plate 230 is lower than the outer periphery of the upper port of the bypass opening 250.

The operation of the device is controlled by an electric cabinet (not shown).

The specific working process is as follows:

the seat frame 500 is adsorbed and positioned on the positioning disc 220, the blocking cotton 400 is clamped by blocking cotton clamping jaws and positioned above the floating platform 210, then the positioning disc 220 is displaced downwards to enable the seat frame 500 and the blocking cotton 400 to be positioned between the positioning disc 220 and the floating platform 210 from top to bottom in sequence, the positioning disc 220 is continuously pressed downwards to enable the positioning side plate 230 to enable the inner peripheral edge 410a of the blocking cotton to be abutted against the side wall 520 of the seat frame, the sliding plate 2401 is displaced towards the bottom peripheral edge 510 of the seat frame under the action of the push-pull driving electric cylinder 241, then the connecting plate 2403 is pushed under the action of the wrapping driving air cylinder 2402, the first hinge pin 2405, the first hinge 2406, the second hinge 2407 and the second hinge pin 2408 are linked to achieve overturning of the wrapping plate 2404, and the wrapping plate 2404 wraps the blocking cotton outer peripheral edge 410b at the upper end of the protruding seat frame side wall 520 on the inner side wall of the bottom groove 530 of the seat frame.

The above described in this specification is merely illustrative of the present invention and can be applied to, for example, barrier paper, barrier cloth, and the like. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.