CN212891251U

CN212891251U - Sponge compression packagine machine

Info

Publication number: CN212891251U
Application number: CN202021864142.XU
Authority: CN
Inventors: 蔡健吕; 黄坚
Original assignee: Maxtech Automation Machinery Co ltd
Current assignee: Maxtech Automation Machinery Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-06
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a sponge compression packagine machine. Comprises a frame; the conveying mechanism is arranged on the rack; the pressing plate is arranged on the rack; the lifting oil cylinder is arranged on the rack and acts on the pressing plate; the rear sealing mechanism is arranged on the pressing plate corresponding to one side of the feeding end of the conveying mechanism; the two side sealing mechanisms are respectively arranged on the pressing plate corresponding to the left side and the right side of the conveying direction of the conveying mechanism; the two front and rear movement mechanisms are respectively arranged on the pressure plate and are used for driving the side sealing mechanism to move back and forth along the conveying direction of the conveying mechanism; and a controller. The sponge compression packaging machine of the utility model has the advantages that the occupied space of the whole machine is small, and the operation is convenient; meanwhile, the packaging film is welded completely, and the air leakage condition can be avoided.

Description

Sponge compression packagine machine

Technical Field

The utility model belongs to the technical field of equipment for packing, concretely relates to sponge compression packagine machine.

Background

In the production, processing and transportation process of the sponge, in order to facilitate transportation, manufacturers need to compress the sponge to a certain thickness, and package and transport the sponge after coiling. When the sponge is compressed, a compression packaging machine is generally adopted.

The existing compression packaging machine generally comprises a split film covering machine and a compressor, a packaging film is sleeved on a sponge needing compression packaging in the film covering machine and conveyed forwards, the sponge is completely passed through the film covering machine, the packaging film is welded and cut off after being sealed on the film covering machine, the sponge in the packaging film bag sealed at the front end and the rear end is sleeved after being conveyed into the compressor, a pressing plate is used for compression, the left side and the right side of the packaging film bag are sealed and welded on the left side and the right side of the packaging film bag, and the sponge is compressed and packaged into the packaging film bag.

However, the existing compression packaging machine has the disadvantages that the rear sealing and the left and right side sealing are separated on different machines, the operation is not convenient enough, and on one hand, the occupied space of the machine is increased; on the other hand, the excessive movement of the sponge easily causes the sleeved packaging film bag to be folded, and the welding effect is influenced. Meanwhile, the left and right seals can only move up and down and can not move back and forth, so that the situation that the seal is not complete enough to cause air leakage of the packaging film bag is easy to occur, and unnecessary troubles are brought.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sponge compression packagine machine to effectively solve prior art's weak point.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a sponge compression wrap machine comprising:

a frame;

the conveying mechanism is arranged on the rack;

the pressing plate is arranged on the rack and is positioned above the conveying mechanism;

the lifting oil cylinders are arranged on the rack and act on the pressing plate;

the rear sealing mechanism is arranged on the pressing plate corresponding to one side of the feeding end of the conveying mechanism;

the two side sealing mechanisms are respectively arranged on the pressing plate corresponding to the left side and the right side of the conveying direction of the conveying mechanism;

the two front and rear movement mechanisms are respectively arranged on the pressure plate and are used for driving the side sealing mechanism to move back and forth along the conveying direction of the conveying mechanism; and

and the conveying mechanism, the lifting oil cylinder, the rear sealing mechanism, the side sealing mechanism and the front-rear movement mechanism are all electrically connected with the controller.

Compared with the prior art, the utility model discloses a sponge compression packaging machine seals the mechanism and seals the mechanism with two sides after, and the required space that occupies of reducible whole machine also makes the operation comparatively convenient, and on the other hand need not too much removal after the packaging film is sheathe in to the sponge body, can prevent that the packaging film that is located the sponge body front side from producing foldingly, and then influences welded quality. Meanwhile, the front-back movement mechanism is arranged, and the side sealing mechanism can be driven to move front and back, so that the packaging film can be completely welded, and the air leakage is prevented. When the device is used, the sponge needing to be compressed is sleeved with the packaging film released by the film sleeving machine, the packaging film enters the lower part of the pressing plate through the conveying mechanism, and when the sponge reaches the lower part of the pressing plate, the lifting oil cylinder drives the pressing plate to press downwards to compress the sponge. After the sponge compression, the mechanism and two sides seal the mechanism and operate after, will correspond the packaging film welding of one side, seal the mechanism and two side seal mechanisms after that and reset, the seesaw mechanism operates, drives the side and seals the mechanism and move toward conveying mechanism pan feeding end one side, and the back welds the packaging film once more, will be located the corner and be difficult to welded packaging film welding and accomplish, and then realize sealing the welding completely with the packaging film.

Further, the back-and-forth movement mechanism includes:

the cylinder body end of the first telescopic cylinder is arranged on the pressing plate;

the sliding rod is arranged on the pressing plate in a sliding mode, and the arrangement direction of the sliding rod is parallel to the conveying direction of the conveying mechanism; a first sliding rail is arranged at a position corresponding to the pressing plate, and the piston end of the first telescopic cylinder acts on the sliding rod to enable the sliding rod to slide along the first sliding rail; and

the side sealing mechanism comprises two mounting brackets, the mounting brackets are arranged at the front end and the rear end of the sliding rod, and the side sealing mechanism is arranged on the mounting brackets.

The mode that the first telescopic cylinder and the sliding rod slide on the first sliding rail is arranged, and the front-back movement structure drives the side sealing mechanism to move back and forth.

Further, the side sealing mechanism includes:

the cylinder body end of each second telescopic cylinder is correspondingly arranged on one mounting bracket, and the telescopic direction of each second telescopic cylinder is vertical to the conveying plane of the conveying mechanism;

the moving rod is arranged at the telescopic end of the second telescopic cylinder, and the lower end face of the moving rod is provided with an upper seal; and

and the lower seal is arranged on the rack corresponding to the upper seal, and the length of the lower seal is greater than that of the upper seal.

During welding, the flexible cylinder operation of second drives the motion pole and down moves, seals on the motion pole and seals with the lower seal that sets up in the frame and jointly with the packaging film centre gripping, realizes the welding.

Furthermore, the side sealing mechanism further comprises a guide pipe arranged on the mounting bracket and a guide rod arranged on the moving rod, and the guide rod is arranged in the guide pipe in a penetrating mode in a matching mode.

The guide tube and the guide rod are arranged to ensure synchronous movement of the moving rod and prevent jamming.

The conveying mechanism is arranged on the pressing plate, and the conveying mechanism is arranged on the pressing plate and is used for conveying the material to the conveying mechanism; the front sealing mechanism is electrically connected with the controller.

Seal the mechanism before setting to the packaging film who is located sponge front side position welds, further guarantees the welded complete, prevents to weld incompletely and the condition of gas leakage appears.

Furthermore, the device also comprises a front sealing pushing mechanism which is arranged on the pressing plate and used for driving the front sealing mechanism to move back and forth along the conveying direction of the conveying mechanism; the front sealing pushing mechanism is electrically connected with the controller.

The front sealing pushing mechanism is arranged and can drive the front sealing mechanism to move back and forth so as to avoid interference with the side sealing mechanism. The initial state, preceding sealing mechanism are located the position of keeping away from conveying mechanism pan feeding end, and side sealing mechanism welds the completion back once more, and preceding sealing pushing mechanism drives preceding sealing mechanism and removes toward the direction of conveying mechanism pan feeding end, pushes down the welding packaging film again, and the packaging film welding that will be located sponge front side position is accomplished, further avoids appearing the condition of gas leakage.

Furthermore, the front seal pushing mechanism comprises a plurality of second slide rails and two third telescopic cylinders;

the second slide rails are arranged on the pressing plate on one side of the discharge end of the conveying mechanism, and the arrangement direction of each second slide rail is parallel to the conveying direction of the conveying mechanism; the front sealing mechanism is provided with a plurality of sliding blocks corresponding to the second sliding rail, and is arranged on the second sliding rail in a sliding manner;

and the cylinder body ends of the two third telescopic cylinders are respectively arranged at the left side and the right side of the pressing plate, and the piston ends of the third telescopic cylinders act on the front sealing mechanism, so that the front sealing mechanism slides along the second sliding rail.

And a third telescopic cylinder and a sliding mode of the sliding block on the second sliding rail are arranged so as to realize that the front sealing pushing mechanism drives the front sealing mechanism to move back and forth.

The pressing plate is characterized by further comprising a pressing synchronization mechanism, the pressing synchronization mechanism comprises a plurality of racks vertically arranged on the rack and a plurality of synchronization shaft assemblies arranged on the pressing plate and matched with the racks, and the pressing synchronization mechanism enables all positions of the pressing plate to move synchronously.

Furthermore, the number of the synchronous shaft assemblies is four, the synchronous shaft assemblies are respectively and rotatably arranged on four sides of the pressing plate, each synchronous shaft assembly comprises a synchronous shaft and two synchronous gears respectively arranged at two ends of the synchronous shaft, and each synchronous gear corresponds to one rack.

Furthermore, the number of the lifting oil cylinders is 6, the cylinder body end of the lifting oil cylinder is arranged on the rack, and the piston end of the lifting oil cylinder is arranged on the pressing plate.

The plurality of lifting oil cylinders are arranged, and the pressing synchronization mechanism with the synchronization shaft, the synchronization gear and the rack is arranged, so that the synchronous motion of all positions of the pressing plate is ensured, and the sponge is compressed more stably and effectively.

In order that the invention may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

fig. 5 is a schematic view of the usage state of the present invention.

Wherein the reference numerals are:

1. a sponge body; 2. packaging the film; 10. a frame; 11. a conveying mechanism; 12. a lift cylinder; 20. pressing a plate; 21. a first slide rail; 30. a rear sealing mechanism; 40. a side seal mechanism; 41. a second telescopic cylinder; 42. a motion bar; 43. sealing the upper part; 44. sealing the lower part; 45. a guide tube; 46. a guide bar; 51. a first telescopic cylinder; 52. a slide bar; 53. mounting a bracket; 60. a front sealing mechanism; 71. a second slide rail; 72. a third telescopic cylinder; 61. a slider; 81. a rack; 83. a synchronizing shaft; 84. a synchronizing gear; 90. a film covering machine.

Detailed Description

In order to solve the defects of the prior art, the utility model provides a sponge compression packaging machine, which occupies a smaller space and is more convenient to operate; meanwhile, the packaging film is welded completely, and the air leakage condition can be avoided.

As shown in fig. 1 to 5, a sponge compressing and packaging machine includes a frame 10, a conveying mechanism 11, a pressing plate 20, a plurality of lifting cylinders 12, a rear sealing mechanism 30, two side sealing mechanisms 40, two forward and backward movement mechanisms, a forward sealing mechanism 60, a forward sealing pushing mechanism and a controller (not shown), wherein the conveying mechanism 11, the lifting cylinders 12, the rear sealing mechanism 30, the side sealing mechanisms 40, the forward and backward movement mechanisms, the forward sealing mechanism 60 and the forward sealing pushing mechanism are electrically connected to the controller.

Wherein, the conveying mechanism 11 is arranged on the frame 10 and used for conveying the sponge to be compressed.

The pressing plate 20 is arranged on the frame 10 and is positioned above the conveying mechanism 11.

The number of the lifting oil cylinders 12 is 6, the lifting oil cylinders are respectively arranged at different positions of the rack 10 and all act on the pressing plate 20, specifically, the cylinder body ends of the lifting oil cylinders 12 are fixedly arranged on the rack 10, and the piston ends of the lifting oil cylinders are connected with the upper end of the pressing plate 20.

The rear sealing mechanism 30 is arranged on the pressing plate 20 corresponding to one side of the feeding end of the conveying mechanism 11, the rear sealing mechanism 30 is used for welding the packaging film 2 located at the rear side of the sponge, and the rear sealing mechanism 30 is a conventional mechanism for welding and sealing and is not described herein in detail.

The two side sealing mechanisms 40 are respectively arranged on the pressing plate 20 corresponding to the left side and the right side of the conveying direction of the conveying mechanism 11.

The two forward and backward movement mechanisms are respectively arranged on the pressure plate 20 and are used for driving the side sealing mechanism 40 to move forward and backward along the conveying direction of the conveying mechanism 11.

Specifically, the forward and backward movement mechanism comprises a first telescopic cylinder 51, a sliding rod 52 and two mounting brackets 53; the side sealing mechanism 40 includes two second telescopic cylinders 41, a moving rod 42 and a lower seal 44.

Wherein, the cylinder body end of the first telescopic cylinder 51 is arranged on the pressure plate 20; the slide rod 52 is slidably arranged on the pressure plate 20, and the arrangement direction of the slide rod is parallel to the conveying direction of the conveying mechanism 11; a first slide rail 21 is arranged at a position of the pressure plate 20 corresponding to the slide rod 52, and a piston end of the first telescopic cylinder 51 acts on the slide rod 52 to enable the slide rod 52 to slide along the first slide rail 21; the mounting brackets 53 are fixedly disposed at the front and rear ends of the sliding rod 52, and the side sealing mechanism 40 is mounted on the mounting brackets 53.

The cylinder body end of each second telescopic cylinder 41 is correspondingly arranged on one mounting bracket 53, and the telescopic direction of the second telescopic cylinder 41 is perpendicular to the conveying plane of the conveying mechanism 11; the moving rod 42 is a rod member, and is fixedly arranged at the telescopic end of the second telescopic cylinder 41, and the lower end surface of the moving rod 42 is provided with an upper seal 43; the lower seal 44 is fixedly arranged on the frame 10 corresponding to the upper seal 43, and the length of the lower seal 44 is greater than that of the upper seal 43.

The first telescopic cylinder 51 operates to drive the side sealing mechanism 40 to move back and forth; when the side sealing mechanism 40 is welded, the second telescopic cylinder 41 operates to drive the moving rod 42 to move downward, and the upper seal 43 arranged on the moving rod 42 and the lower seal 44 arranged on the frame 10 clamp the packaging film 2 together to realize welding.

More specifically, in order to ensure the synchronous movement of the moving rod 42 at each position and prevent the locking, the side sealing mechanism 40 further comprises a guide tube 45 arranged on the mounting bracket 53 and a guide rod 46 arranged on the moving rod 42, wherein the guide rod 46 is fittingly inserted into the guide tube 45. The guide tube 45 and the guide rod 46 are both vertically arranged, and the outer diameter of the guide rod 46 is matched with the inner diameter of the guide tube 45.

The front sealing mechanism 60 is arranged on the pressing plate 20 corresponding to one side of the discharge end of the conveying mechanism 11, the front sealing mechanism 60 is used for welding the packaging film 2 at the position of the front side of the sponge, and the structure of the front sealing mechanism 60 is similar to that of the side sealing mechanism 40, and is not described herein again.

The front sealing pushing mechanism is arranged on the pressing plate 20 and is used for driving the front sealing mechanism 60 to move back and forth along the conveying direction of the conveying mechanism 11.

Specifically, the front seal pushing mechanism comprises a plurality of second slide rails 71 and two third telescopic cylinders 72; the number of the second slide rails 71 is 3, the second slide rails 71 are fixedly arranged on the pressure plate 20 on one side of the discharge end of the conveying mechanism 11 and are respectively positioned on two sides and the middle of the pressure plate 20, and the arrangement direction of each second slide rail 71 is parallel to the conveying direction of the conveying mechanism 11; a plurality of sliding blocks 61 are arranged at positions of the front sealing mechanism 60 corresponding to the second sliding rails 71, and each sliding block 61 is correspondingly arranged on one second sliding rail 71, so that the front sealing mechanism 60 is arranged on the second sliding rails 71 in a sliding manner; the cylinder ends of the two third telescopic cylinders 72 are respectively and fixedly arranged at the left and right sides of the pressure plate 20, and the piston ends of the third telescopic cylinders act on the front sealing mechanism 60, so that the front sealing mechanism 60 can slide along the second slide rail 71.

More specifically, in order to ensure each position synchronous motion of clamp plate 20, and then make the compression to the sponge more steady and effective, the utility model discloses a sponge compression packaging machine still includes and pushes down lazytongs, it includes vertical setting to push down lazytongs including a plurality of racks 81 on the frame 10 and set up on the clamp plate 20 and with a plurality of synchronizing shaft subassembly that the rack 81 matches, it makes to push down lazytongs each position synchronous motion of clamp plate 20.

Specifically, the number of the synchronizing shaft assemblies is four, and the four synchronizing shaft assemblies are respectively and rotatably disposed on four sides of the pressure plate 20, each synchronizing shaft assembly includes a synchronizing shaft 83 and two synchronizing gears 84 respectively and fixedly disposed at two ends of the synchronizing shaft 83, and each synchronizing gear 84 corresponds to one rack 81.

The lifting cylinder 12 operates to drive the pressing plate 20 to press down, and drives the synchronous gears 84 on the four sides of the pressing plate 20 to synchronously rotate along the racks 81 on the rack 10, thereby realizing synchronous movement of each position of the pressing plate 20.

Present sponge compression packagine machine can only compress the sponge that thickness is not more than 500mm, and the utility model discloses a sponge compression packagine machine can be used to compress the super large size sponge, and the thickness of the sponge of its compressible packing can reach 1300 mm.

During operation, need compress the sponge body 1 of packing and sheathe in packaging film 2 back via current cover membrane machine 90, get into the utility model discloses a compress and pack in the sponge compression packagine machine, as shown in fig. 5.

The cover membrane machine 90 corresponds the setting in the pan feeding end one side of conveying mechanism 11, and after sponge body 1 got into cover membrane machine 90 endotheca and goes up packaging film 2, got into the sponge compression packagine machine by conveying mechanism 11's pan feeding end.

When the sponge body 1 completely enters the position below the pressing plate 20, the lifting oil cylinder 12 operates to drive the pressing plate 20 to press downwards, and the sponge body 1 is compressed into a flat shape; then, the rear sealing mechanism 30 and the two side sealing mechanisms 40 operate to weld the packaging film 2 on the corresponding side; after the welding is completed, the rear sealing mechanism 30 and the two side sealing mechanisms 40 reset, the front-rear movement mechanism operates to drive the side sealing mechanisms 40 to move towards the feeding end of the conveying mechanism 11, the packaging film 2 is welded again, and the packaging film 2 which is difficult to weld at the corner is welded.

After the two side sealing mechanisms 40 are welded again, the two side sealing mechanisms move upwards to be separated from the packaging film 2; then, the front sealing pushing mechanism operates to drive the front sealing mechanism 60 to move towards the feeding end of the conveying mechanism 11, the rear front sealing mechanism 60 presses down and welds the packaging film 2, and the packaging film 2 positioned at the front side of the sponge body 1 is welded. At the moment, the packaging film 2 of the compressed sponge body 1 is sleeved, the front, the rear, the left and the right sides of the packaging film are welded with seals, the seals on the four sides are in a # shape, and the compressed sponge body 1 is positioned in the # shape, so that the condition of air leakage is avoided.

Compared with the prior art, the utility model discloses a sponge compression packaging machine seals the mechanism and seals the mechanism with two sides after, has reduced the required space that occupies of whole machine, and the operation is also comparatively convenient, and on the other hand need not too much removal after the packaging film is sheathe in to the sponge body, can prevent that the packaging film that is located the sponge body front side from producing foldingly, and then influences welded quality. Meanwhile, a front-back movement mechanism is arranged to drive the side sealing mechanism to move back and forth, so that the packaging film is completely welded; the packaging film at the front side of the sponge can be welded by further arranging the front sealing mechanism and the front sealing pushing mechanism for driving the front sealing mechanism to move back and forth, so that the welding is complete, the welding seal forms a # shape, the compressed sponge is positioned in the # shape, and the condition of gas leakage caused by incomplete welding is avoided.

The above-mentioned embodiments only represent one embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. A sponge compression packaging machine, comprising:

a frame (10);

the conveying mechanism (11), the conveying mechanism (11) is arranged on the rack (10);

the pressing plate (20) is arranged on the rack (10) and is positioned above the conveying mechanism (11);

the lifting oil cylinders (12) are arranged on the rack (10) and act on the pressing plate (20);

the rear sealing mechanism (30), the rear sealing mechanism (30) is arranged on the pressing plate (20) corresponding to one side of the feeding end of the conveying mechanism (11);

the two side sealing mechanisms (40) are respectively arranged on the pressing plate (20) corresponding to the left side and the right side of the conveying direction of the conveying mechanism (11);

the two front and back movement mechanisms are respectively arranged on the pressure plate (20) and are used for driving the side sealing mechanism (40) to move front and back along the conveying direction of the conveying mechanism (11); and

the controller, conveying mechanism (11), lift cylinder (12), back seal mechanism (30), side seal mechanism (40) and the fore-and-aft movement mechanism all with the controller electricity is connected.

2. The sponge compression wrap machine of claim 1 wherein said forward and backward movement mechanism comprises:

the cylinder body end of the first telescopic cylinder (51) is arranged on the pressure plate (20);

the sliding rod (52) is arranged on the pressing plate (20) in a sliding mode, and the arrangement direction of the sliding rod (52) is parallel to the conveying direction of the conveying mechanism (11); a first slide rail (21) is arranged at a position corresponding to the pressure plate (20), and the piston end of the first telescopic cylinder (51) acts on the slide rod (52) to enable the slide rod (52) to slide along the first slide rail (21); and

the side sealing mechanism comprises two mounting brackets (53), the mounting brackets (53) are arranged at the front end and the rear end of the sliding rod (52), and the side sealing mechanism (40) is arranged on the mounting brackets (53).

3. The sponge compression wrap machine of claim 2 wherein said side sealing mechanism (40) comprises:

the cylinder body end of each second telescopic cylinder (41) is correspondingly arranged on one mounting bracket (53), and the telescopic direction of each second telescopic cylinder (41) is vertical to the conveying plane of the conveying mechanism (11);

the moving rod (42) is arranged at the telescopic end of the second telescopic cylinder (41), and the lower end face of the moving rod (42) is provided with an upper seal (43); and

the lower seal (44) is arranged on the rack (10) corresponding to the upper seal (43), and the length of the lower seal (44) is greater than that of the upper seal (43).

4. The sponge compression packaging machine as claimed in claim 3 wherein the side sealing mechanism (40) further comprises a guide tube (45) disposed on the mounting bracket (53) and a guide rod (46) disposed on the motion rod (42), the guide rod (46) being matingly disposed through the guide tube (45).

5. The sponge compressing and packaging machine as claimed in claim 1, further comprising a front sealing mechanism (60), wherein the front sealing mechanism (60) is arranged on the pressing plate (20) corresponding to one side of the discharging end of the conveying mechanism (11); the front sealing mechanism (60) is electrically connected with the controller.

6. The sponge compression packaging machine according to claim 5, further comprising a front sealing pushing mechanism disposed on the pressing plate (20) for driving the front sealing mechanism (60) to move back and forth along the conveying direction of the conveying mechanism (11); the front sealing pushing mechanism is electrically connected with the controller.

7. The sponge compression packaging machine according to claim 6, wherein the front seal pushing mechanism comprises a plurality of second slide rails (71) and two third telescopic cylinders (72);

the second sliding rails (71) are arranged on the pressing plate (20) on one side of the discharge end of the conveying mechanism (11), and the arrangement direction of each second sliding rail (71) is parallel to the conveying direction of the conveying mechanism (11); a plurality of sliding blocks (61) are arranged at the positions, corresponding to the second sliding rails (71), of the front sealing mechanism (60), and the front sealing mechanism (60) is arranged on the second sliding rails (71) in a sliding mode;

the cylinder body ends of the two third telescopic cylinders (72) are respectively arranged at the left side and the right side of the pressure plate (20), and the piston ends of the third telescopic cylinders act on the front sealing mechanism (60), so that the front sealing mechanism (60) slides along the second slide rail (71).

8. The sponge compression packaging machine according to claim 1, further comprising a press-down synchronizing mechanism including a plurality of racks (81) vertically disposed on the frame (10) and a plurality of synchronizing shaft assemblies disposed on the press plate (20) and matching with the racks (81), the press-down synchronizing mechanism causing the press plate (20) to move synchronously in each position.

9. The sponge compressing and packaging machine as claimed in claim 8, wherein four synchronizing shaft assemblies are provided, and are respectively rotatably provided on four sides of the pressing plate (20), each synchronizing shaft assembly comprises a synchronizing shaft (83) and two synchronizing gears (84) respectively provided at two ends of the synchronizing shaft (83), and each synchronizing gear (84) corresponds to one rack (81).

10. The sponge compressing and packaging machine according to any one of claims 1 to 9, wherein 6 lifting cylinders (12) are provided, the cylinder ends thereof being provided on the frame (10) and the piston ends thereof being provided on the pressing plate (20).