CN204489337U - A kind of paper diaper envelope pressure assembly and paper diaper wrapping machine - Google Patents

Abstract

The application discloses a diaper sealing assembly, which includes a guide frame, the guide frame includes two vertical rods; an upper pressing plate assembly and a lower pressing plate assembly, the two ends of the upper pressing plate assembly and the lower pressing plate assembly are respectively It is socketed on two vertical rods, and the upper platen assembly and the lower platen assembly can slide along the vertical rods; the lower ends of the two vertical rods are rotatably fixed with cranks; the lower end of the guide frame is fixed with a motor, and the motor The output end of the crank is connected with the rotation shaft of the crank; the crank is connected with the upper connecting rod and the lower connecting rod, the upper connecting rod is connected with the upper pressing plate assembly, and the lower connecting rod is connected with the lower pressing plate assembly; the motor drives the crank to rotate, so that the upper pressing plate assembly and the lower pressing plate The components are close together, and the upper platen assembly and the lower platen assembly are used to seal the packaging bag. At the same time, the present application also discloses a diaper packaging machine, including the above-mentioned diaper sealing and pressing assembly. The application makes the original paper diaper packaging into automatic packaging, reduces the production cost and improves the production efficiency.

Description

A diaper sealing and pressing component and a diaper packaging machine

technical field

The application relates to the field of mechanical sealing and pressing, in particular to a diaper sealing and pressing assembly and a diaper packaging machine.

Background technique

Compared with traditional diapers, diapers are easy to carry, do not need to be cleaned, and are easy to replace. Therefore, more and more families start to use diapers, and diapers are also continuously improved in the pursuit of the market. At present, they have become the main way for the public to care for newborns. choose.

In the production process of diapers, the finished diapers need to be packaged in bags. The existing technology uses manpower for manual packaging, so the production efficiency is low and the production cost is high. However, there is no diaper packaging machine that can realize automatic packaging in the market. .

Contents of the invention

The present application provides a diaper sealing and pressing assembly and a diaper packaging machine, which realize automatic packaging of diapers, thereby reducing production costs and improving production efficiency.

According to the first aspect of the application, the application provides a diaper sealing assembly, including a guide frame, the guide frame includes two vertical rods; it also includes an upper pressing plate assembly and a lower pressing plate assembly, the two ends of the upper pressing plate assembly and Both ends of the lower platen assembly are respectively socketed on two vertical rods, and both the upper platen assembly and the lower platen assembly can slide along the vertical rods;

The lower ends of the two vertical rods are rotatably fixed with cranks, and the cranks have a rotating shaft and two rotating ends located on both sides of the rotating shaft that can rotate around the rotating shaft; the lower ends of the guide frame are fixed with motors, and the output of the motors The two rotating ends are respectively connected to the upper link and the lower link, the upper link is rotatably connected to the upper platen assembly, and the lower link is rotatably connected to the lower platen assembly; driven by a motor The crank rotates so that the upper connecting rod pulls the upper pressing plate assembly to press down, and the lower connecting rod pulls the lower pressing plate assembly to press up, and the pressing down of the upper pressing plate assembly and the pressing of the lower pressing plate assembly are used to seal the packaging bag.

Preferably, the upper platen assembly includes an upper fixed base plate and a fixed base fixed on the front side of the upper fixed base plate; the upper platen assembly also includes a cutter mechanism and a sealing mechanism fixed on the lower end of the fixed base; the sealing mechanism is used to seal the packaging bag For heat sealing, the cutter mechanism is located behind the sealing mechanism in the transport direction of diapers, and the cutter mechanism is used to cut off the excess waste of the heat-sealed packaging bag.

Preferably, the lower end of the fixed seat is provided with a vertically extending sliding hole, the upper end of the cutter mechanism is provided with a sliding rod, the sealing mechanism is fixedly connected with the cutter mechanism, and the sliding rod is penetrated in the sliding hole; The hole is provided with a reset mechanism, and the lower end of the reset mechanism is provided with a reset groove, and a reset member is arranged in the reset groove, and the sliding rod is penetrated in the reset groove and abuts against the reset member.

Preferably, the cutter mechanism includes a cutter holder, a cutter and a cutter driver; the lower end of the cutter holder is provided with a slide groove, the cutter is arranged in the slide groove, and the cutter driver is used to drive the cutter to slide along the slide groove .

Preferably, the lower platen assembly includes a lower fixed base plate, the rear side of the lower fixed base plate is provided with a receiving platform, and the receiving platform is provided with a cutter groove for inserting a cutter; material organization.

Preferably, the material removal mechanism includes a receiving plate, on which a suction port is arranged, and a suction box is fixed at the lower end of the receiving plate, and the suction box is connected to the material suction port; the material removal mechanism also includes a wind compressor, and the wind pressure The machine is connected with the suction box and used to suck away the excess waste in the suction box.

According to the second aspect of the present application, the present application provides a diaper packaging machine, which includes a sequentially connected feeding assembly, a compression assembly, a bag opening assembly, and the above-mentioned diaper sealing and pressing assembly, and also includes a A push handle assembly and a bag delivery assembly for delivering packaging bags to the bag opening assembly;

The feed assembly is used to deliver diapers to the compression assembly; the compression assembly is used to compress the diapers so that the packaging bag can be inserted into the diapers; the push handle assembly includes a beam extending along the transport direction of the diapers and a push handle that is sleeved on the beam and can slide along the beam. The pusher is used to push the compressed diapers to the bag opening assembly; the bag opening assembly is used to open the packaging bag delivered by the bag delivery assembly, and the bag opening assembly is used to put the packaging bag into the diaper; the diaper sealing assembly is used for Seal the bag containing the diapers.

Preferably, the bag opening assembly includes two sets of support members arranged at intervals, the support members include two support plates arranged up and down in the vertical direction, and the ends of the two support plates can be stacked or separated from each other; the bag opening assembly also includes a The adsorption tube above the support, the adsorption tube is used to absorb the upper layer of the packaging bag delivered by the bag delivery assembly, so that the packaging bag is opened, the ends of the support plate are used to be stacked close to each other and inserted into the packaging bag, and the support plate is then separated and stretched , so that the packaging bag is fully opened, and the diapers are transported into the packaging bag from between the two sets of supports.

Preferably, the upper platen assembly further includes an absorber, the lower end of the absorber is provided with an upper adsorption port, and the upper end of the lower platen assembly is provided with a lower absorber port, the upper absorber port and the lower absorber port are used for sealing the packaging bag of the diaper sealing assembly. When sealing, the packaging bag is braced and fixed.

Preferably, the feed assembly includes an initial pressure mechanism, a conveying mechanism located behind the initial pressure mechanism, and a lever mechanism located above the initial pressure mechanism; the initial pressure mechanism is used to initially compress the diapers, and the lever mechanism is used to complete the initial compression. The diapers are delivered to the delivery mechanism, and the delivery mechanism is used to deliver the diapers to the compression assembly.

The beneficial effect of the application is that since the application includes the upper platen assembly and the lower platen assembly, the two ends of the upper platen assembly and the two ends of the lower platen assembly are respectively slidably socketed on the two guide rails; The lower end is rotatably fixed with a crank, and the crank has a rotating shaft and two rotating ends located on both sides of the rotating shaft that can rotate around the rotating shaft; the lower end of the guide frame is fixed with a motor, and the output end of the motor is connected to the rotating shaft of the crank. connected; the two rotating ends are respectively rotatably connected with an upper link and a lower link, the upper link is rotatably connected with the upper platen assembly, and the lower link is rotatably connected with the lower platen assembly, so the motor can drive the crank to rotate, The upper link pulls the upper platen assembly to press down, and the lower link pulls the lower platen assembly to press up, so the downward pressure of the upper platen assembly and the upward pressure of the lower platen assembly can be used to seal the packaging bag, making the original packaging It is changed to automatic packaging, which reduces production costs and improves production efficiency.

Description of drawings

Fig. 1 is the structural representation of embodiment 1;

Fig. 2 is the side view of embodiment 1;

Fig. 3 is the structural representation of embodiment 2;

Fig. 4 is the sectional view of embodiment 2;

Fig. 5 is the side view of embodiment 2;

Fig. 6 is the explosion diagram of embodiment 2;

Fig. 7 is the structural representation of sealing mechanism;

Fig. 8 is the structural representation of embodiment 3;

Fig. 9 is the explosion diagram of embodiment 3;

Fig. 10 is a schematic structural diagram of a certain state of the suction box;

Fig. 11 is a schematic structural view of the suction box in another state;

Fig. 12 is the structural representation of embodiment 4;

Fig. 13 is the structural representation of embodiment 5;

Fig. 14 is an enlarged view of place A in Fig. 13;

Figure 15 is a side view of an embodiment of a support plate;

Figure 16 is a top view of an embodiment of a support plate;

Fig. 17 is the front view of partial structure of bag opening assembly in embodiment 5;

Fig. 18 is the first working state diagram of the bag opening assembly in embodiment 5;

Fig. 19 is a second state diagram of the work of the bag opening assembly in embodiment 5;

Figure 20 is a schematic structural view of the adsorbent;

21 is a schematic structural view of the lower fixed substrate;

Fig. 22 is a schematic diagram of the state when the upper suction port and the lower suction port absorb the packaging bag;

Figure 23 is a schematic structural view of Embodiment 6;

Description of drawings:

1. Sealing and pressing components of diapers;

11. Vertical bar; 111. Guide rail; 12. Cross bar;

13, upper platen assembly; 1311, upper fixed base plate; 1312, upper sliding seat; 1313, fixed seat; 1314, sliding hole; 132, cutter mechanism; 1321, sliding rod; 1322, cutter fixing seat; 1323, cutter ; 1324, cutter driver; 1325, sliding groove; 133, sealing mechanism; 1331, reset groove; 1332, reset member; 1333, heating pipe; 1334, heat conducting steel plate; ; 1341, the upper adsorption port;

14. Lower platen assembly; 1411. Lower fixed base plate; 1412. Lower sliding seat; 1413. Accepting platform; 1414. Cutter groove; 1415. Lower suction port; 1421. Accepting plate; Box; 1424, wind compressor; 1425, box door; 1426, coupling shaft;

15, crank; 151, rotating shaft; 152, rotating end;

161, upper connecting rod; 162, lower connecting rod; 17, motor;

2. Open bag assembly; 21. Support member; 211. Support plate; 212. Adsorption tube;

3. Bag feeding component; 31. Conveyor belt; 311. Pin;

4. Compression components;

5. Feed assembly; 51. Conveyor mechanism; 52. Initial pressure mechanism; 53. Lever mechanism;

6. Push handle assembly;

7. Diapers;

8. Packing bag. the

Detailed ways

The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

Example 1:

A diaper sealing and pressing assembly, as shown in Figure 1 and Figure 2, includes a guide frame, the guide frame includes two vertical bars 11 and a transverse bar 12 that connects the two vertical bars 11, and it also It includes an upper platen assembly 13 and a lower platen assembly 14. Both ends of the upper platen assembly 13 are slidably socketed on two vertical rods 11, and both ends of the lower platen assembly 14 are also slidably socketed on two vertical rods. on the rod 11, so that the upper platen assembly 13 and the lower platen assembly 14 can slide relatively parallel to the extension direction of the vertical rod 11.

The lower ends of the two vertical rods 11 can be rotatably fixed with cranks 15, that is, the cranks 15 can rotate relative to the vertical rods 11, and the positions of the two cranks 15 should be opposite, and the cranks 15 have a rotating shaft 151 and are positioned at the rotating shaft. Two rotating ends 152 that can rotate around the rotating shaft 151 on both sides of the shaft 151; the lower end of the guide frame is also fixed with a motor 17, and the output end of the motor 17 is connected with the rotating shaft 151 of the crank 15, which can be the output shaft of the motor 17 It is directly connected with the rotating shaft 151, or the two are indirectly connected by a conveyor belt. The two rotating ends 152 are rotatably connected with an upper link 161 and a lower link 162 respectively, while the upper link 161 is rotatably connected with the upper platen assembly 13, and the lower link 162 is rotatably connected with the lower platen assembly 14. The positional relationship between the rotating end 152 of the crank 15 and the connection between the upper connecting rod 161 and the lower connecting rod 162 should be corresponding, so that the driving force of the motor 17 on the upper pressing plate assembly 13 and the lower pressing plate assembly 14 can be unified. Those skilled in the art should understand. The motor 17 is a forward and reverse motor, which drives the crank 15 to rotate, so that the upper connecting rod 161 pulls the upper pressing plate assembly 13 to press down, and the lower connecting rod 162 pulls the lower pressing plate assembly 14 to press up, and the pressing of the upper pressing plate assembly 13 and the lower pressing plate assembly The upper pressure of 14 is used for packaging bag 8 seals. In addition, after the pressing of the upper platen assembly 13 and the sealing of the packaging bag 8 by the lower platen assembly 14, the motor 17 reverses again, so that the upper link 161 pulls the upper platen assembly 13 to move upward, and the lower link 162 pulls the lower platen assembly 16 to move up. The pressing plate assembly 14 moves down to prepare for the next sealing pressure.

Example 2:

As an improvement of Embodiment 1, as shown in FIG. 3 , the upper platen assembly 13 includes an upper fixed base plate 1311, upper sliding seats 1312 arranged at both ends of the upper fixed base plate 1311, and vertical rods 11 are provided with vertically extending The guide rail 111 makes the upper sliding seat 1312 sleeve on the guide rail 111 , so that the upper platen assembly 13 can slide along the extending direction of the vertical bar 11 . A fixing seat 1313 is also provided on the front side of the upper fixed base plate 1311 , and the front side mentioned here refers to the side opposite to the upper sliding seat 1312 fixed thereon. The upper platen assembly 13 also includes a cutter mechanism 132 and a sealing mechanism 133 fixed on the lower end of the holder 1313; the sealing mechanism 133 is used to heat seal the packaging bag 8, and the cutter mechanism 132 is used to cut off the packaging bag that has been heat-sealed. 8, because after the packaging bag 8 is heat-sealed, there are still redundant parts, which will affect the appearance, and the cutting mechanism 132 is required to remove this part. At the same time, it needs to be sealed first and then cut off on the transportation line, so the cutter The mechanism 132 is located at the rear of the sealing mechanism 133 in the transport direction of the diapers.

In other embodiments, a track groove extending along the vertical direction may also be provided on the vertical bar 11 , so that the upper fixed base plate 1311 is locked in the track groove and can slide along the track groove. Alternatively, a guide rod extending in the vertical direction is provided on the vertical rod 11 , so that the upper fixing base plate 1311 is sleeved on the guide rod and can slide along the guide rod.

Further, as shown in Figure 4 and Figure 5, the lower end of the fixed base 1313 is provided with a vertically extending sliding hole 1314, the upper end of the cutter mechanism 132 is provided with a sliding rod 1321, and the sealing mechanism 133 is fixedly connected with the cutter mechanism 132, The sliding rod 1321 is penetrated in the sliding hole 1314, and the cutter mechanism 132 and the sealing mechanism 133 can slide up and down relative to the fixed seat 1313. This setting is for hard objects encountered by the cutter mechanism 132 or the sealing mechanism 133, or a program error , a certain buffer is provided for the cutter mechanism 132 and the sealing mechanism 133 to prevent the cutter mechanism 132 and the sealing mechanism 133 from being damaged. At the same time, the fixed base 1313 is provided with a reset mechanism on at least one sliding hole 1314, the lower end of the reset mechanism is provided with a reset groove 1331, and a reset member 1332 is arranged in the reset groove 1331, and the sliding rod 1321 is penetrated in the reset groove 1331 and is connected with the reset groove 1331. The member 1332 abuts against each other, and the reset member 132 can be a spring or a shrapnel, which enables the cutter mechanism 132 and the sealing mechanism 133 to rebound and reset.

Further, as shown in Figure 6, the cutter mechanism 132 includes a cutter holder 1322, a cutter 1323 and a cutter driver 1324; Inside, driven by the cutter driver 1324, the cutter 1323 slides along the sliding groove 1325 to cut off excess waste. The cutter driver 1324 is an air cylinder in this embodiment, and in other embodiments, hydraulic pressure can also be used.

Further, as shown in FIG. 7 , the sealing mechanism 133 includes a built-in heat pipe 1333 and a heat conduction steel plate 1334 connected to the heat pipe 1333. The periphery of the heat conduction steel plate 1334 is covered with a layer of high-temperature tape 1335, and the two ends of the high-temperature tape 1335 are clamped. On the reel 1336, by tightening the reel 1336, the high-temperature adhesive tape 1335 can be closely attached to the heat-conducting steel plate 1334, and the high-temperature adhesive tape 1335 plays a role in preventing the high-temperature blanched packaging film from sticking to the heat-conducting steel plate 1334.

Example 3:

As shown in Figure 8, the lower platen assembly 14 includes a lower fixed base plate 1411, and lower sliding seats 1412 are provided at both ends of the lower fixed base plate 1411, so that the lower sliding seat 1412 is sleeved on the guide rail 111, so that the lower platen assembly 14 can move along the Slide along the extending direction of the vertical bar 11. The rear side of the lower fixed base plate 1411 is provided with a receiving platform 1413. The rear side here refers to the same side as the lower sliding seat 1412 is fixed. The receiving platform 1413 is in contact with the upper platen assembly 13 during sealing and pressing. The cutting knife slot 1414 inserted by the cutting knife 1323; after the cutting by the cutting knife 1323, waste materials will be produced on the receiving platform 1413, so the front side of the lower fixed base plate 1411 is provided with a material removal mechanism for removing excess waste materials.

Further, as shown in Figure 9, the material removal mechanism includes a receiving plate 1421, the receiving plate 1421 is provided with a material suction port 1422, and the lower end of the receiving plate 1421 is fixed with a material suction box 1423, and the material suction box 1423 and the material suction port 1422 guide The suction box 1423 is used to store excess waste; the material removal mechanism also includes an air compressor 1424, which is connected to the suction box 1423 and used to suck away excess waste in the suction box 1423.

Further, as shown in Figure 10 and Figure 11, a box door 1425 is provided on the suction box 1423, and a coupling shaft 1426 is provided on the box door. The box door 1425 is a movable door. When the coupling shaft is pushed forward, the box Door 1425 is opened, so the superfluous waste material at material suction port 1422 place just can not enter in the material suction box 1423; Excess waste material at port 1422 is drawn into suction box 1423.

Example 4:

A packaging machine for diapers, as shown in Figure 12, includes a sequentially connected feeding assembly 5, a compression assembly 4, a bag opening assembly 2, and the above-mentioned diaper sealing assembly 1, and also includes a The push handle assembly 6 and the bag delivery assembly 3 for delivering the packaging bag 8 to the bag opening assembly 2;

The feeding assembly 5 is used to deliver the diapers 7 to the compression assembly 4. The diapers 7 here refer to the arranged multiple pieces of diapers that have been processed and formed by the previous process; due to the elasticity of the diapers themselves, these arranged diapers The width will be relatively large, and the compression assembly 4 is used to compress the diapers 7 so that the diapers 7 can be inserted into the packaging bag 8; the push handle assembly 6 includes a beam extending along the transport direction of the diapers 7 and a handle that is sleeved on the beam and can slide along the beam. The pusher is used to push the compressed diapers 7 to the bag opening assembly 2; the bag opening assembly 2 is used to open the packaging bag delivered by the bag delivery assembly 3, and the bag opening assembly 2 is used to insert the Diaper 7; the diaper sealing assembly 1 is used for sealing the packaging bag 8 containing the diaper 7 .

Example 5:

As an improvement of Embodiment 4, as shown in FIGS. 13 to 17, the bag opening assembly 2 includes two sets of support members 21 arranged at intervals. The support members 21 include two support plates 211 arranged up and down in the vertical direction. The ends of the plates 211 can be superimposed or separated from each other, and the fixed end of at least one of the two supporting plates 211 can be rotated relative to its fixed point, so that under the drive of the driving mechanism, the two supporting plates 211 can be close to each other, and then Staggered overlapping. The bag opening assembly 2 also includes an adsorption tube 212 located above the support member 21. The adsorption tube 212 has a downward opening. When the packaging bag 8 is placed horizontally, it has a two-layer structure, so the adsorption tube 212 can absorb the bag delivery assembly. 3 The upper layer of the packaging bag 8 that is transported over makes the packaging bag 8 open at a certain angle, and then the ends of the support plates 211 are stacked close to each other and inserted into the packaging bag 8, and the support plates 211 are separated and stretched apart, so that the packaging bag 8 Fully opened, at the same time, the diaper 7 is transported into the packaging bag 8 from between the two sets of support members 21 , and the diaper 7 is packed into the packaging bag 8 .

In this embodiment, the upper support plate 211 can be rotated, and the lower support plate 211 will rotate to the lower support plate 211 to form a triangular cross-section structure, which is convenient for the packaging bag 8 to be directly placed on the support plate. on the plate 211, because if the support plate 211 below is rotatable and the top is fixed, then the packaging bag 8 needs to be lifted to correspond to the position of the support plate 211, which is bound to be unfavorable for operation. In addition, the inner side of the support plate 211 is provided with a horizontally extending extension, so that the front section of the four support plates 211 is a "mouth"-shaped structure, which can completely open the four corners of the packaging bag 8 to make the opening more tidy. , to facilitate the loading of the diaper 7 .

Further, as shown in Figure 20 to Figure 22, the upper platen assembly 13 also includes an adsorption piece 134, the lower end of the adsorption piece 134 is provided with an upper adsorption port 1341, and the upper end surface of the lower fixed base plate 1411 is provided with a lower adsorption port 1415, and the upper adsorption The port 1341 and the lower suction port 1415 provide negative pressure. When the diaper sealing assembly 1 seals the packaging bag 8, the upper suction port 1341 and the lower suction port 1415 are used to support and fix the packaging bag 8, so that the shape of the bag opening is flat. The sealing effect is more beautiful.

Embodiment 6:

As an improvement of the above embodiment, as shown in Figure 23, the feed assembly 5 includes an initial pressure mechanism 52, a conveying mechanism 51 behind the initial pressure mechanism 52, and a lever mechanism 53 above the initial pressure mechanism 52; The arrangement of other processes is irregular, and the compression assembly 4 is not synchronized with other processes, so the initial compression mechanism 52 is required to initially compress the diapers 7 to make them neatly arranged and play a transitional role in the process. The lever mechanism 53 is used to deliver the pre-compressed diapers 7 to the delivery mechanism 51 , and the delivery mechanism 51 is used to deliver the diapers 7 to the compression assembly 4 .

The above content is a further detailed description of the present invention in conjunction with specific embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. Those of ordinary skill in the technical field to which the present invention belongs can also make some simple deduction or replacement without departing from the concept of the present invention.

Claims (10)

1. a paper diaper envelope pressure assembly, it is characterized in that, comprise guiding framework, described guiding framework comprises two vertical bars; Also comprise upper platen assemblies and lower platen assembly, the two ends of described upper platen assemblies and the two ends of described lower platen assembly are socketed on described two vertical bars respectively, and described upper platen assemblies and described lower platen assembly all can slide along described vertical bar;

The lower end of described two vertical bars is fixed with crank all rotationally, and described crank has a turning cylinder and is positioned at two turning end can rotated around described turning cylinder of described turning cylinder both sides; The lower end of described guiding framework is fixed with motor, and the mouth of described motor is connected with the turning cylinder of described crank; Described two turning end are connected with connecting rod and lower link respectively rotationally, and described upper connecting rod and described upper platen assemblies are rotatably connected, and described lower link and described lower platen assembly are rotatably connected;

Described motor drives described crank to rotate, and makes described upper connecting rod pull described upper platen assemblies to press down, and described lower link is pulled on described lower platen assembly and presses, pressing down with the upper pressure of described lower platen assembly for by packaging bag enclosing of described upper platen assemblies.

2. assembly according to claim 1, is characterized in that: described upper platen assemblies comprises fixing base and is fixed on the permanent seat of fixed substrate leading flank; Described upper platen assemblies also comprises cutter mechanism and the enclosed mechanism of the lower end being fixed on described permanent seat; Described enclosed mechanism is used for carrying out hot-seal to described packaging bag, and described cutter mechanism is positioned at the rear of described enclosed mechanism at paper diaper transporting direction, and described cutter mechanism is for having excised the excess waste of the packaging bag of hot-seal.

3. assembly according to claim 2, it is characterized in that: the lower end of described permanent seat is provided with the vertical slide opening extended, the upper end of described cutter mechanism is provided with sliding bar, and described enclosed mechanism is fixedly connected with described cutter mechanism, and described sliding bar is arranged in described slide opening; Described permanent seat slide opening described at least one is provided with Bringing-back mechanism, and the lower end of described Bringing-back mechanism is provided with reseting groove, is provided with return unit in described reseting groove, and described sliding bar to be arranged in described reseting groove and to abut against with described return unit.

4. assembly according to claim 3, is characterized in that: described cutter mechanism comprises cutting knife permanent seat, cutting knife and cutter driver; The lower end of described cutting knife permanent seat is provided with sliding tray, and described cutting knife is arranged in described sliding tray, and described cutter driver is used for ordering about described cutting knife and slides along described sliding tray.

5. assembly according to claim 4, is characterized in that: comprise lower fixing base under described lower platen assembly, and the trailing flank of described lower fixing base is provided with adapting table, and described adapting table is provided with the cutting knife groove inserted for described cutting knife; The leading flank of described lower fixing base is provided with the material removal mechanism for removing described excess waste.

6. assembly according to claim 5, is characterized in that: described material removal mechanism comprises bearing plate, and described bearing plate is provided with material sucking port, and the lower end of described bearing plate is fixed with suction case, described suction case and described material sucking port conducting; Described material removal mechanism also comprises blast machine, and described blast machine is connected with described suction case and for siphoning away the described excess waste in described suction case.

7. a paper diaper wrapping machine, it is characterized in that: comprise connect successively feeding assembly, compression assembly, open bag assembly and the envelope of the paper diaper as described in claim 1-6 any one pressure assembly, also comprise be positioned at described compression assembly and described open pushing hands assembly above bag assembly and for described open bag assembly transport package send bag assembly;

Described feeding assembly is used for described compression assembly conveying paper diaper; Described compression assembly is used for compressing so that described paper diaper are inserted in described packaging bag to described paper diaper; Described pushing hands assembly comprises the crossbeam that extends along described paper diaper transporting direction and is socketed on described crossbeam and the pushing hands can slided along described crossbeam, described pushing hands be used for by complete the paper diaper after compression push to described in open bag assembly; Described bag assembly of opening send bag assembly to carry the packaging bag of coming described in opening, and described in open bag assembly for described paper diaper are inserted in described packaging bag; Described paper diaper envelope pressure assembly is used for sealing the packaging bag that described paper diaper are housed.

8. wrapping machine according to claim 7, it is characterized in that: described in open bag assembly and comprise two groups of spaced strut members, described strut member is included in vertical direction two pieces of stay bearing plates setting up and down, and the end of described two pieces of stay bearing plates can be close to each other superimposed or be separated; Described bag assembly of opening also comprises the adsorption tube be positioned at above described strut member, described adsorption tube send bag assembly to carry the upper strata of the packaging bag of coming described in adsorbing, described packaging bag is opened, the end of described stay bearing plate is used for close to each other superimposed and be inserted in described packaging bag, described stay bearing plate is separated and struts, described packaging bag is opened completely, and described paper diaper are transported in described packaging bag between described two groups of strut members.

9. wrapping machine according to claim 8, it is characterized in that: described upper platen assemblies also comprises adsorption piece, the lower end of described adsorption piece is provided with adsorption orifice, the upper surface of described lower platen assembly is provided with lower adsorption orifice, and described upper adsorption orifice and described lower adsorption orifice are used for fixing described packaging bag support shape during described packaging bag enclosing at described paper diaper envelope pressure assembly.

10. the wrapping machine according to claim 7-9 any one, is characterized in that: described feeding assembly comprises just press mechanism, the conveying mechanism being positioned at described just press mechanism rear and the lever body be positioned at above described just press mechanism; Described just press mechanism is used for carrying out primary compression to described paper diaper, and described lever body is used for the described paper diaper completing primary compression to be delivered to described conveying mechanism, and described conveying mechanism is used for described paper diaper to be delivered to described compression assembly.