CN210585617U

CN210585617U - Sponge rubber coating device

Info

Publication number: CN210585617U
Application number: CN201921238095.5U
Authority: CN
Inventors: 羊建东; 杨鹏
Original assignee: Wuxi Jingshang Foam Co ltd
Current assignee: Wuxi Jingshang Foam Co ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-22
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a sponge rubber coating device, including the frame and set up the conveyer belt that is used for transmitting the sponge in the frame, still include two relative supporting seats that set up in frame both sides, rotate the glue spreader between two supporting seat relative lateral walls and drive the motor that the glue spreader rotated, the diapire of glue spreader contacts with the roof of sponge, is equipped with the guide subassembly that is used for scribbling the sizing material on the glue spreader on the supporting seat, is equipped with the cavity in the supporting seat, is equipped with the drive assembly that drives the guide subassembly and rotate in the cavity, reserves the rubber coating space that supplies the sizing material overflow between the outer wall of guide subassembly and glue spreader, and the both sides of frame are equipped with the height adjustment subassembly that drives two supporting seats and go up and down along its direction of height respectively; this coating device replaces the manpower to the sponge rubber coating, and labour saving and time saving paints evenly, and machining efficiency is high.

Description

Sponge rubber coating device

Technical Field

The utility model relates to a technical field of sponge processing, in particular to sponge rubber coating device.

Background

In the process of processing the sponge, one side wall of the sponge needs to be coated to achieve the effects of flame retardance and dust prevention, and before coating, one side surface of the sponge needs to be coated with glue, so that the film can be firmly adhered to the sponge.

At present, generally adopt artifical rubber coating's mode when to the sponge rubber coating, need 2 staff to stand in the both sides of conveyer belt, carry out manual the paining to the sponge that transmits, because the mode of paining by hand, need with the very slow of the transmission speed regulation of conveyer belt, the staff just can be with the complete full watering of scribbling of sponge, consuming time is hard, scribbles inhomogeneously, and paints inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sponge rubber coating device, its advantage is: this rubber coating device replaces the manpower to the sponge rubber coating, and labour saving and time saving paints evenly, has improved machining efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a sponge rubber coating device, includes the frame and sets up the conveyer belt that is used for transmitting the sponge in the frame, still includes two relative supporting seats that set up in the frame both sides, rotates glue spreader and drive glue spreader pivoted motor between two supporting seat relative lateral walls, the diapire of glue spreader contacts with the roof of sponge, be equipped with on the supporting seat and be used for scribbling the guide subassembly on the glue spreader with the sizing material, be equipped with the cavity in the supporting seat, be equipped with drive guide subassembly pivoted drive assembly in the cavity, it has the rubber coating space that supplies the sizing material overflow to reserve between the outer wall of guide subassembly and glue spreader, the both sides of frame are equipped with the altitude mixture control subassembly that drives two supporting seats along its direction of height lift respectively.

According to the technical scheme, the driving assembly is used for driving the guide assembly to rotate to a proper height, so that the rubber material can flow to the outer wall of the rubber coating roller through the rubber coating space; secondly, driving the supporting beam to be adjusted to a proper height up and down through the height adjusting assembly, so that the glue spreader is in contact with the outer wall of the sponge; finally, a motor is started to drive the glue spreader to rotate, and meanwhile, the material guide assembly is combined, so that glue is coated on the outer wall of the glue spreader in the rotating process of the glue spreader, and the sponge can be coated with the glue along with the rotation of the glue spreader; meanwhile, a glue spreader is arranged to play a role in guiding and limiting the sponge transmission; the size of the gluing space can be adjusted by rotating the assembly, so that the overflow speed of the glue material is controlled, and the stability of the gluing process is improved; the gluing device with the structure can replace manpower to evenly paint the sponge, saves time and labor, and improves the processing efficiency.

The utility model discloses further set up to: the guide subassembly is including rotating the bearing plate between two support opposite lateral walls, setting striker plate and the double-phase stock guide that sets up at striker plate lateral wall both ends relatively on the bearing plate roof, the lower one end of bearing plate is towards the glue spreader, the diapire of stock guide and the roof contact of bearing plate, the one end lateral wall of stock guide establish to the arcwall face and with the outer wall contact of glue spreader, enclose between stock guide, striker plate, bearing plate and the glue spreader and close and form storage space, the glue spreading space is kept away from between the lateral wall of articulated one end and the outer wall of glue spreader at the bearing plate.

According to the technical scheme, before gluing, sizing materials are placed in the material storage space in advance, the glue spreader rotates, then the sizing materials in the material storage space flow to the outer wall of the glue spreader through the gluing space, and finally the gluing of the sponge is achieved; this guide mode, simple structure has realized the glue spreader and has rotated the in-process, carries out the rubber coating to the outer wall of sponge, and labour saving and time saving has improved machining efficiency.

The utility model discloses further set up to: the drive assembly is including setting up the support in the cavity, rotating on the support and with bearing board axial syntropy drive post, setting up the connecting rod in drive post end wall axle center department, rotate the actuating lever that sets up on the support and set up the stopper on the actuating lever top, the outer wall of drive post is equipped with the spacing groove that supplies the stopper to slide along its circumference spiral, the connecting rod is kept away from the one end of drive post and is extended the lateral wall of supporting seat outside and with the end wall fixed connection of bearing board, be equipped with the gliding subassembly that slides of drive stopper in the spacing groove in the cavity.

Through the technical scheme, the limiting block is driven to slide in the limiting groove through the sliding assembly, and the limiting groove is spirally arranged on the outer wall of the driving column, so that the driving column is driven to rotate when the limiting block slides in the limiting groove, the bearing plate is driven to rotate, the size of a gluing space can be adjusted, the flow rate of a glue material can be controlled, and the stability of a gluing process is improved.

The utility model discloses further set up to: the support includes two montants that set up in the cavity relatively, set up last horizontal pole between two montant tops and set up the sheer pole between the montant middle part, go up the axle center department that the horizontal pole wore to establish at the drive column, the lateral wall middle part of sheer pole is equipped with the axis of rotation, the bottom of actuating lever links to each other with the axis of rotation.

Through above-mentioned technical scheme, the support that montant, last horizontal pole and sheer pole combination formed plays stable support to the drive post, and then can drive the bearing board and rotate, has realized adjusting the size in rubber coating space.

The utility model discloses further set up to: the subassembly that slides is including setting up in the cavity and with the reverse rack of supporting seat axial, with the fan-shaped fluted disc of rack toothing and the cylinder that the drive rack slided along supporting seat width direction, the top of fan-shaped fluted disc is equipped with the rotation hole that supplies the axis of rotation to pass, the bottom mounting of actuating lever is on the roof of fan-shaped fluted disc.

Through the technical scheme, the air cylinder is started, so that the rack is driven to slide along the length direction of the sliding groove, the fan-shaped fluted disc is driven to rotate due to the limiting effect of the rotating shaft on the fan-shaped fluted disc, the driving rod rotates at the moment, the limiting block positioned at the top end of the driving rod slides in the limiting groove, and finally the driving column rotates; the length of the rack is controlled to correspond to the rotating angle of the bearing plate, so that the rotation of the bearing plate is finely adjusted; this rotation mode, simple structure, convenient operation changes linear motion into rotary motion, the size in adjustable rubber coating space to the speed that the control sizing material spills over has improved rubber coating efficiency.

The utility model discloses further set up to: the height adjusting assembly comprises a lifting rod and a hydraulic cylinder, the lifting rod is oppositely arranged on the bottom wall of the supporting seat, the hydraulic cylinder is connected with the lifting rod, the cylinder body of the hydraulic cylinder is fixed on the rack, and the extending direction of the hydraulic rod of the hydraulic cylinder is in the same direction as the height direction of the rack.

Through the technical scheme, the hydraulic cylinder is started, and the lifting rod moves up and down, so that the supporting seat can be driven to move up and down, the height of the glue spreader can be adjusted finally, the sponge can pass through the glue spreader conveniently, and meanwhile, the glue spreader coats the upper surface of the sponge; meanwhile, the sponge with different thickness and size can be coated by adjusting the height of the glue spreader, and the application range is wide.

The utility model discloses further set up to: the supporting seat is located the inner bottom wall of cavity and is equipped with the spout that supplies the rack to slide along its width direction.

Through above-mentioned technical scheme, the spout plays spacing, the effect of direction to the removal of rack for the rack can be stable slide.

The utility model discloses further set up to: the outer walls of the two material guide plates are provided with sealing gaskets which are respectively attached to the outer wall of the glue spreader and the top wall of the bearing plate.

Through above-mentioned technical scheme, set up sealed the pad, play isolation, sealed effect, avoid the sizing material to spill over, simultaneously, play the effect of protection to the outer wall of glue spreader, avoid scraping the glue spreader bad.

To sum up, the utility model discloses following beneficial effect has:

1. firstly, a driving assembly is utilized to drive a guide assembly to rotate to a proper height, so that the rubber material can flow to the outer wall of a rubber coating roller through a rubber coating space; secondly, driving the supporting beam to be adjusted to a proper height up and down through the height adjusting assembly, so that the glue spreader is in contact with the outer wall of the sponge; finally, a motor is started to drive the glue spreader to rotate, and meanwhile, the material guide assembly is combined, so that glue is coated on the outer wall of the glue spreader in the rotating process of the glue spreader, and the sponge can be coated with the glue along with the rotation of the glue spreader; the gluing device formed by adopting the structure can replace manpower to paint the sponge, is time-saving and labor-saving, and has high gluing efficiency;

2. the limiting block is driven to slide in the limiting groove through the sliding assembly, and the limiting groove is spirally arranged on the outer wall of the driving column, so that the driving column is driven to rotate when the limiting block slides in the limiting groove, the guide plate is driven to rotate, the size of a gluing space can be adjusted, the flow rate of glue can be controlled, and the stability of a gluing process is improved;

3. the spout plays spacing, the effect of direction, has improved the stability of rack sliding process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic diagram of a partially enlarged structure for embodying a in fig. 1.

Fig. 3 is a sectional view of the internal structure of the support base used in this embodiment.

Fig. 4 is a schematic cross-sectional structure diagram for embodying the stent in the present embodiment.

Reference numerals: 1. a frame; 2. a conveyor belt; 3. a supporting seat; 4. glue spreading roller; 5. a motor; 6. a material guiding assembly; 61. a support plate; 62. a striker plate; 63. a material guide plate; 7. a cavity; 8. a drive assembly; 81. a support; 811. a vertical rod; 812. an upper cross bar; 813. a lower cross bar; 82. a drive column; 83. a connecting rod; 84. a drive rod; 85. a limiting block; 9. a gluing space; 10. a height adjustment assembly; 101. a lifting rod; 102. a hydraulic cylinder; 11. a gasket; 12. a limiting groove; 13. a slipping component; 131. a rack; 132. a fan-shaped fluted disc; 133. a cylinder; 14. a rotating shaft; 15. rotating the hole; 16. a chute.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

the utility model provides a sponge rubber coating device, refers to fig. 1, includes frame 1, is equipped with conveyer belt 2 along its length direction on the frame 1, and conveyer belt 2 is used for carrying the sponge of treating the rubber coating.

Referring to fig. 1, two sides of a frame 1 are respectively provided with a supporting seat 3 in the same axial direction as the frame, the two supporting seats 3 are oppositely arranged along the width direction of the frame 1, a glue spreader 4 is rotatably connected between the two supporting seats 3, the axial direction of the glue spreader 4 is opposite to the material conveying direction, the side wall of one of the supporting seats 3 is provided with a motor 5 for driving the glue spreader 4 to rotate, and the two sides of the frame 1 drive a height adjusting assembly 10 for driving the supporting seats 3 to move along the height direction of the frame 1, so that the glue spreader 4 is in contact with the top wall of; a material guide assembly 6 for coating the glue on the outer wall of the glue spreader 4 is arranged between the opposite side walls of the two supporting seats 3 and on one side of the glue spreader, a cavity 7 (shown in figure 3) is arranged in each of the two supporting seats 3, a driving assembly 8 (shown in figure 3) for driving the guiding assembly is arranged in each cavity 7 (shown in figure 3), and a glue coating space 9 for enabling the glue to overflow to the outer wall of the glue spreader 4 is reserved between each material guide assembly 6 and the outer wall of the glue spreader 4; firstly, driving a support beam to be adjusted to a proper height up and down through a height adjusting assembly 10, and enabling a glue spreader 4 to be in contact with the outer wall of the sponge; secondly, a driving component 8 (figure 3) is utilized to drive the material guide component 6 to rotate to a proper height, so that the rubber material can flow to the outer wall of the rubber coating roller 4 through the rubber coating space 9; finally, the motor 5 is started to drive the glue spreader 4 to rotate, and the material guide assembly 6 is combined, so that the glue is coated on the outer wall of the glue spreader 4 in the rotating process of the glue spreader 4, and the sponge can be coated with the glue along with the rotation of the glue spreader 4; the height of the supporting seat 3 is adjusted, so that the glue spreader 4 moves up and down, the sponge with different thicknesses and sizes can be coated, and the application range is wide; meanwhile, a glue spreader 4 is arranged to play a role in guiding and limiting the sponge transmission; the size of the gluing space can be adjusted by rotating the assembly, so that the overflow speed of the glue material is controlled, and the stability of the gluing process is improved; the gluing device with the structure can replace manpower to paint the sponge evenly, saves time and labor, and improves the processing efficiency.

Referring to fig. 1, the height adjusting assembly 10 includes two hydraulic cylinders 102 disposed on two sides of the frame 1 in opposite directions, and lifting rods 101 connected to hydraulic rods of the hydraulic cylinders 102, wherein the extending direction of the hydraulic rods of the hydraulic cylinders 102 is the same as the height direction of the frame 1, and the top ends of the two lifting rods 101 are fixed to the bottom walls of the two supporting seats 3, respectively; the hydraulic cylinder 102 is started, and then the lifting rod 101 moves up and down, so that the supporting seat 3 can be driven to move up and down, the height of the glue spreader 4 can be adjusted finally, the sponge can pass through the glue spreader 4 conveniently, and meanwhile, the glue spreader 4 coats the upper surface of the sponge; meanwhile, the height of the glue spreader 4 is adjusted, so that the sponges with different thicknesses and sizes can be coated, and the application range is wide.

Referring to fig. 1 and 2, the material guiding assembly 6 includes a supporting plate 61 rotating between opposite sidewalls of the two supporting bases 3, a material blocking plate 62 disposed on a top wall of the supporting plate 61 and extending upward, and two material guiding plates 63 oppositely disposed on two ends of the material blocking plate 62 facing the side wall of the glue spreader 4, a length direction of the supporting plate 61 is in the same direction as an axial direction of the glue spreader 4, the material blocking plate 62 is disposed on a top wall of one end of the supporting plate 61 far away from the glue spreader 4, a bottom wall of the material guiding plate 63 contacts with a bottom wall of the supporting plate 61, ends of the two material guiding plates 63 far away from the material blocking plate 62 are both provided with arc surfaces, side walls of the material guiding plates 63 located on the arc surfaces contact and cooperate with an, a storage space (not shown in the figure) for placing glue is formed by enclosing among the material baffle plate 62, the supporting plate 61 and the outer wall of the glue spreader 4, and the gluing space 9 is positioned between the side wall of the hinged end of the supporting plate 61 and the outer wall of the glue spreader 4; before gluing, glue is placed in the storage space in advance, the glue spreader 4 rotates during coating, and then the glue in the storage space (not shown in the figure) flows to the outer wall of the glue spreader 4 through the glue spreading space 9, and finally the sponge is glued; this guide mode, simple structure has realized glue spreader 4 and has rotated the in-process, carries out the rubber coating to the outer wall of sponge, and labour saving and time saving has improved machining efficiency.

Referring to fig. 1 and 2, the outer wall of the material guide plate 63 is provided with a sealing gasket 11 which is respectively contacted with the outer wall of the glue spreader 4 and the top wall of the supporting plate 61; the setting of sealed 11 of filling up plays isolation, sealed effect, avoids the sizing material to spill over, simultaneously, plays the effect of protection to the outer wall of glue spreader 4, avoids scraping the glue spreader 4 badly.

Referring to fig. 3 and 4, the driving assembly 8 includes a bracket 81 disposed in the cavity 7, a driving post 82 rotating on the bracket 81, a connecting rod 83 disposed at the axle center of two end walls of the driving post 82, a driving rod 84 rotating on the bracket 81, and a limiting block 85 disposed at the top end of the driving rod 84, the axial direction of the driving post 82 is in the same direction as the length direction of the supporting plate 61, the connecting rod 83 disposed at one end wall of one side of the driving post 82 is rotatably connected with the bracket 81, the connecting rod 83 disposed at the other end wall of the driving post 82 extends out of the side wall of the supporting seat 3 and is fixedly connected with the side wall of the supporting plate 61, the outer wall of the driving post 82 is spirally provided with a limiting groove 12 along the circumferential direction thereof, the limiting block 85 slides in the limiting groove 12, and a sliding assembly 13 driving the driving rod 84; drive actuating lever 84 through the subassembly 13 that slides along the width direction of supporting seat 3, because spacing groove 12 spiral setting has realized that when stopper 85 slides in spacing groove 12, drive post 82 and rotate on the outer wall of drive post 82 to drive bearing board 61 and rotate, and then the size in adjustable rubber coating space 9, so that the velocity of flow of control sizing material has improved the stability of rubber coating process.

Referring to fig. 3 and 4, the bracket 81 includes two vertical rods 811 oppositely disposed in the cavity 7, an upper cross rod 812 disposed between the top ends of the two vertical rods 811, and a lower cross rod 813 disposed between the middle portions of the two vertical rods 811, the upper cross rod 812 and the lower cross rod 813 are axially uniformly distributed in the same axial direction of the glue coating roller 4, the upper cross rod 812 penetrates through the axis of the driving column 82, the middle portion of the sidewall of the lower cross rod 813 extends outward to form a rotating shaft 14, and the rotating shaft 14 is rotatably connected with the bottom end of the driving rod 84; the combination of the upper cross bar 812, the lower cross bar 813 and the vertical bar 811 plays a role in supporting the driving column 82, so that the bearing plate 61 can be stably adjusted in angle; meanwhile, the rotating shaft is arranged, so that the driving rod 84 is limited and guided.

Referring to fig. 3, the sliding assembly 13 includes a rack 131 disposed in the cavity 7 and located on one side of the bracket 81, a sector-shaped toothed disc 132 engaged with the rack 131, and a cylinder 133 fixedly connected to the rack 131, an axial direction of the rack 131 is the same as a width direction of the support base 3, a sliding slot 16 for moving the rack 131 is disposed on an inner bottom wall of the support base 3 located in the cavity 7 along a length direction thereof, an extending direction of a piston rod of the cylinder 133 is the same as the width direction of the support base 3, a rotating hole 15 for passing the rotating shaft 14 is disposed at a top end of the sector-shaped toothed disc 132, and a bottom end of the driving rod 84 is fixed to a top; the air cylinder 133 is started, so that the rack 131 is driven to slide along the length direction of the sliding chute 16, the fan-shaped fluted disc 132 is driven to rotate due to the limiting effect of the rotating shaft 14 on the fan-shaped fluted disc 132, the driving rod 84 rotates at the moment, the limiting block 85 positioned at the top end of the driving rod 84 slides in the limiting groove 12, and finally the driving column 82 rotates; the length of the rack 131 is controlled to correspond to the rotation angle of the bearing plate 61, so that the rotation of the bearing plate 61 is finely adjusted; this rotation mode, simple structure, convenient operation changes linear motion into rotary motion, the size in adjustable rubber coating space to the speed that the control sizing material spills over has improved rubber coating efficiency.

The working process is as follows: firstly, the cylinder 133 is started, the driving rack 131 slides in the sliding groove 16 to drive the fan-shaped fluted disc 132 to rotate, and then the limiting block 85 slides in the limiting groove 12 to drive the driving column 82 to rotate, so that the supporting plate 61 is rotated, and the size of the gluing space 9 can be adjusted; secondly, starting the hydraulic cylinder 102 to drive the supporting seat 3 to move up and down, so that the glue spreader 4 is attached to the top wall of the sponge; then the motor 5 is started to drive the glue spreader 4 to rotate, and in the rotation process of the glue spreader 4, the glue stock in the storage space overflows from the glue spreading space 9 to the coating roller, and finally the sponge is glued.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a sponge rubber coating device, includes frame (1) and sets up conveyer belt (2) that are used for transmitting the sponge in frame (1), its characterized in that: still include two relative settings at supporting seat (3) of frame (1) both sides, rotate glue spreader (4) and drive glue spreader (4) pivoted motor (5) between two supporting seat (3) relative lateral walls, the diapire of glue spreader (4) contacts with the roof of sponge, be equipped with guide subassembly (6) that are used for paining the sizing material on glue spreader (4) on supporting seat (3), be equipped with cavity (7) in supporting seat (3), be equipped with drive guide subassembly (6) pivoted drive assembly (8) in cavity (7), it has rubber coating space (9) of confession sizing material overflow to reserve between the outer wall of guide subassembly (6) and glue spreader (4), the both sides of frame (1) are equipped with height control assembly (10) that two supporting seat (3) of drive go up and down along its direction of height respectively.

2. The sponge spreading device according to claim 1, wherein: guide subassembly (6) including rotate support plate (61) between two support seat (3) relative lateral walls, striker plate (62) and two relative guide plate (63) that set up at striker plate (62) lateral wall both ends on support plate (61) roof, the lower one end of support plate (61) is towards glue spreader (4), the diapire of guide plate (63) and the roof contact of support plate (61), the one end lateral wall of guide plate (63) is established to the arcwall face and with the outer wall contact of glue spreader (4), enclose between guide plate (63), striker plate (62), support plate (61) and glue spreader (4) and close and form the storage space, rubber coating space (9) are kept away from between the lateral wall of articulated one end and the outer wall of glue spreader (4) at support plate (61).

3. The sponge spreading device according to claim 2, wherein: drive assembly (8) including setting up support (81) in cavity (7), rotate on support (81) and with bearing board (61) axial syntropy drive post (82), set up connecting rod (83) in drive post (82) end wall axle center department, rotate actuating lever (84) and the stopper (85) of setting on actuating lever (84) top that set up on support (81), the outer wall of drive post (82) is equipped with along its circumference spiral and supplies stopper (85) spacing groove (12) that slide, the one end that drive post (82) were kept away from in connecting rod (83) extends the lateral wall of supporting seat (3) outside and with the end wall fixed connection of bearing board (61), be equipped with drive stopper (85) gliding subassembly (13) that slides in spacing groove (12) in cavity (7).

4. The sponge spreading device according to claim 3, wherein: support (81) include that two are relative to set up montant (811) in cavity (7), set up last horizontal pole (812) between two montant (811) tops and set up sheer pole (813) between montant (811) middle part, the axle center department of driving post (82) is worn to establish in last horizontal pole (812), the lateral wall middle part of sheer pole (813) is equipped with axis of rotation (14), the bottom and the axis of rotation (14) of driving lever (84) link to each other.

5. The sponge spreading device according to claim 4, wherein: slip subassembly (13) including set up in cavity (7) and with supporting seat (3) axial reverse rack (131), with fan-shaped fluted disc (132) of rack (131) meshing and drive cylinder (133) that rack (131) slided along supporting seat (3) width direction, the top of fan-shaped fluted disc (132) is equipped with rotation hole (15) that supply axis of rotation (14) to pass, the bottom mounting of actuating lever (84) is on the roof of fan-shaped fluted disc (132).

6. The sponge spreading device according to claim 1, wherein: the height adjusting assembly (10) comprises a lifting rod (101) and a hydraulic cylinder (102), wherein the lifting rod (101) is arranged on the bottom wall of the supporting seat (3) relatively, the hydraulic cylinder (102) is connected with the lifting rod (101), the cylinder body of the hydraulic cylinder (102) is fixed on the rack (1), and the extending direction of the hydraulic rod of the hydraulic cylinder (102) is the same as the height direction of the rack (1).

7. The sponge spreading device according to claim 5, wherein: the supporting seat (3) is positioned on the inner bottom wall of the cavity (7) and is provided with a sliding groove (16) for the sliding of the rack (131) along the width direction.

8. The sponge spreading device according to claim 2, wherein: the outer walls of the two material guide plates (63) are provided with sealing gaskets (11) which are respectively attached to the outer wall of the glue spreader (4) and the top wall of the supporting plate (61).