CN208120430U - A kind of novel Package band recoiler - Google Patents

Abstract

The utility model discloses a kind of novel Package band recoilers, including shell, partition is fixedly connected between the two sides inner wall of shell, partition obtains being fixedly connected with the first driving motor on the left of upper surface, the output shaft of first driving motor is fixedly connected with winding device by shaft coupling, and the support plate on the right side of shell on inner wall is fixedly connected with the second driving motor.The utility model carries out row's band conduction to strap by setting belt pressing device, solve the problems, such as that existing Package band recoiler cannot carry out strap to stablize fixation, it is cooperated by setting winding device and the first driving motor, solve the problems, such as that the winding device of existing Package band recoiler is not easy to replacement winding wheel, by the way that shell is arranged, first driving motor, winding device, second driving motor, attachment device and belt pressing device cooperate, clamping conduction effectively is carried out to strap, stablize row's band and winding, improve the stability in use of Package band recoiler.

Description

A kind of novel Package band recoiler

Technical field

The utility model relates to packing apparatus technical field, specially a kind of novel Package band recoiler.

Background technique

With the development of society, science and technology is constantly progressive, it is raw that the use of more and more mechanical equipments greatly reduces people Labor intensity living is generated, while substantially increasing the production efficiency of product, promotes the development of equipment, meets ever-increasing object Matter demand generally requires after the production of product is completed and carries out packaging and conveyed, and a large amount of product packaging is needed using packet Vanning, packing case is carried out tying up fixation by adhesive tape and strap, prevents the product in packing case from revealing, strap alias bundle Band is packed for strap system with polyethylene, and acrylic resin is primary raw material, also has using nylon and polyester as raw material, warp It squeezes out simple tension to be made, in addition to the joint sealing for corrugated case is tied up, can also tie up material and fruit etc..

Strap needs for strap to be wrapped on winding wheel in production, facilitates the storage and conveying of strap, but existing Strap cannot be carried out stablizing fixation, strap is caused to exist by some strap row band conduction devices when conducting to strap It carries out the case where being easily overlapped when row's band, driving device structure of the row with conduction device is complex, increases making for equipment Valence cost, it is not easy to repair, while winding wheel is fixed winding wheel using baffle and nut, is not easy to when being replaced Handling reduce the winding efficiency of strap production.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of novel Package band recoiler, solves existing The problem of Package band recoiler when in use cannot be fixed strap, not easy to repair and winding wheel is not easy to handling.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions：A kind of novel Package band recoiler, including shell Body, partition is fixedly connected between the two sides inner wall of the shell, and the partition obtains being fixedly connected with the first drive on the left of upper surface The output shaft of dynamic motor, first driving motor is fixedly connected with winding device, inner wall on the right side of the shell by shaft coupling On support plate be fixedly connected with the second driving motor, the output shaft of second driving motor is fixedly connected with attachment device, The attachment device is fixedly connected with belt pressing device.

Preferably, the winding device includes connecting shaft, connecting cylinder, winding wheel, conditioning box, adjusting block, movable plate, work Motion block, rotating handles, sliding block and arc compression block, the output shaft of first driving motor are fixedly connected with connecting shaft, the company Spindle runs through the inner left wall of shell far from one end of the first driving motor and is socketed with connecting cylinder, is socketed on the connecting cylinder Winding wheel, the connecting shaft are fixedly connected in hull outside part there are two conditioning box, and two conditioning boxes are about in connecting shaft Lower in the heart to be symmetrical arranged, the inside of two conditioning boxes is connected with movable plate, and the left side of two movable plates is fixed to be connected It is connected to sliding block, the opposite side middle position of two movable plates is fixedly connected to movable block, the opposite side of two conditioning boxes Middle position is fixedly connected to adjusting block, and adjusting block is connected with rotating handles, the rotation in the side far from conditioning box The threaded rod of handle hand is through the surface of adjusting block and the surface of conditioning box and is movably connected on movable block, two conditioning boxes Left side offers the inside that two sliding blocks of sliding slot are located at two sliding slots, and two sliding blocks are fixed far from the side of movable plate It is connected with arc compression block, the medial surface of two arc compression blocks contacts right hand top and the bottom in winding wheel respectively.

Preferably, the attachment device includes link block, U-shaped seat, lantern ring, connecting rod, adjustment axis and fixing sleeve, and described The output shaft of two driving motors is fixedly connected with link block, and the upper surface of the link block is fixedly connected with U-shaped seat, described U-shaped Movable sleeve is connected to lantern ring on seat, and the side of the lantern ring is connected with connecting rod, and the connecting rod passes through pin far from one end of lantern ring Axis is connected with adjustment axis, and the left side through hole of the shell is fixedly connected with fixing sleeve compatible with adjustment axis, institute Through-hole of the right end of fixing sleeve on the left of shell is stated, the adjustment axis runs through the inner wall of fixing sleeve in one end far from connecting rod And it is fixedly connected with belt pressing device.

Preferably, the belt pressing device includes cabinet, the first pressure zone axis, adjustable shelf, the second pressure zone axis, pull handle and pressure Contracting spring, the adjustment axis are fixedly connected with cabinet in one end far from connecting rod, and the cabinet front and back offers Conduction band mouth is connected with the first pressure zone axis, the two sides of the cabinet by shaft end pedestal between the two sides inner wall of the cabinet It is flexibly connected adjustable shelf between inner wall, the second pressure zone axis, the cabinet are connected between the two sides inner wall of the adjustable shelf Top center position be connected with pull handle, the pull lever of the pull handle through cabinet top and be fixedly connected In the top center position of adjustable shelf, compressed spring, the top of the compressed spring are socketed in the pull lever of the pull handle End is fixedly connected on the top of pull handle, and the other end of compressed spring is fixedly connected at the top of the box body.

(3) beneficial effect

The utility model provides a kind of novel Package band recoiler.Has following beneficial effect：

(1) the utility model carries out row's band conduction to strap by setting belt pressing device, when the device is in use, pulls on Handle is pulled, and the pull lever of pull handle pulls adjustable shelf to rise in the inner cavity of cabinet, and the end of strap is passed through case The back side conduction band mouth of body interts cabinets cavity, then is exported by positive conduction band mouth, unclamps pull handle, pull handle is being compressed Under the back stretch effect of spring, adjustable shelf homing, the second pressure zone axis compresses strap, and strap is conducting When, the first pressure zone axis and the second pressure zone axis mutually rotate, the effective stable holding conduction for ensureing strap, the pressure of compressed spring Clamp force ensures that the clamping force between the first pressure zone axis and the second pressure zone axis is stablized, and can bring into the packing of different in width and thickness Row fixation the case where expanding the utilization rate of Package band recoiler, while preventing winding device from winding fluffy dislocation, solves existing Some Package band recoilers cannot carry out stablizing to strap the problem of fixation.

(2) the utility model is cooperated by setting attachment device and the second driving motor, when the device is in use, second The output shaft of driving motor drives U-shaped seat to rotate by link block, and U-shaped seat rotation drives the lantern ring on U-shaped seat to do eccentric fortune Dynamic, lantern ring drives connecting rod carry out activity, and connecting rod drives adjustment axis activity by pin shaft, and adjustment axis is living in the inside of fixing sleeve Dynamic, adjustment axis drives belt pressing device to do reciprocating rotating operation, and structure is simple, easy to repair, solves existing strap winding The problem of driving device complexity of the machine row with conduction device is not easy to maintenance.

(3) the utility model is cooperated by setting winding device and the first driving motor, when the device is in use, first The output shaft of driving motor drives connecting shaft to be rotated by shaft coupling, and connecting shaft drives connecting cylinder to be rotated, connecting cylinder Winding wheel is driven to be rotated, winding wheel is wound fixation to strap, after the completion of winding wheel winding, arrestment fortune Row, rotating handles are rotated, and the threaded rod of rotating handles pulls movable plate activity, movable plate band movable slider by movable block Activity, sliding block drive arc compression block activity, and arc compression block reduces the pressure of winding wheel, and winding is exited on the inside of arc compression block After the right side wall of wheel, winding wheel can be carried out that disassembly is pulled to replace, new winding wheel is socketed on connecting cylinder, then Rotating handles are reversely rotated, the threaded rod of rotating handles pushes movable plate by movable block, and movable plate band movable slider returns Position is restored, sliding block drives arc compression block to be fixed new winding wheel, and two arc compression blocks effectively ensure winding wheel Grip stabilization, two arc compression blocks can grip the winding wheel of different-diameter size, expand strap The utilization rate of winder solves the problems, such as that the winding device of existing Package band recoiler is not easy to replacement winding wheel.

(4) the utility model passes through setting shell, the first driving motor, winding device, the second driving motor, attachment device It cooperates with belt pressing device, when the device is in use, winding device is fixed, the packing belt end of production is run through into pressure zone The end of strap is finally fixedly connected on winding device by device, starts the first driving motor and the second driving motor, the The output shaft of one driving motor drives winding device to carry out rotation winding by shaft coupling, and the output shaft of the second driving motor drives Attachment device carries out reciprocation cycle movement to belt pressing device, effectively carries out clamping conduction to strap, stablizes row's band and winding, Improve the stability in use of Package band recoiler.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model side schematic view；

Fig. 3 is the utility model winding device structural schematic diagram；

Fig. 4 is the utility model belt pressing device structural schematic diagram；

Fig. 5 is the utility model cabinet schematic diagram；

Fig. 6 is the utility model attachment device structural schematic diagram.

In figure：1 shell, 2 partitions, 3 first driving motors, 4 winding devices, 401 connecting shafts, 402 connecting cylinders, 403 windings Wheel, 404 conditioning boxes, 405 adjusting blocks, 406 movable plates, 407 movable blocks, 408 rotating handles, 409 sliding slots, 410 sliding blocks, 411 arcs Shape briquetting, 5 second driving motors, 6 attachment devices, 61 link blocks, 62U type seat, 63 lantern rings, 64 connecting rods, 65 fixing sleeves, 66 Adjustment axis, 7 belt pressing devices, 71 cabinets, 72 first pressure zone axis, 73 adjustable shelfs, 74 second pressure zone axis, 75 pull handles, 76 compressions Spring, 77 conduction band mouths.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in figures 1 to 6, the utility model provides a kind of technical solution：A kind of novel Package band recoiler, including shell 1, partition 2 is fixedly connected between the two sides inner wall of shell 1, partition 2 obtains being fixedly connected with the first driving motor on the left of upper surface 3, the first driving motor 3 uses slowspeed machine, and the output shaft of the first driving motor 3 is fixedly connected with winding dress by shaft coupling 4 are set, winding device 4 includes connecting shaft 401, connecting cylinder 402, winding wheel 403, conditioning box 404, adjusting block 405, movable plate 406, the output shaft of movable block 407, rotating handles 408, sliding block 410 and arc compression block 411, the first driving motor 3 is fixedly connected There is connecting shaft 401, connecting shaft 401 runs through the inner left wall of shell 1 far from one end of the first driving motor 3 and is socketed with connecting cylinder 402, it is socketed with winding wheel 403 on connecting cylinder 402, connecting shaft 401 is fixedly connected with that there are two conditioning boxes in 1 exterior portion of shell 404, center symmetrical above and below setting of two conditioning boxes 404 about connecting shaft 401, the activity of the inside of two conditioning boxes 404 is even It is connected to movable plate 406, the left side of two movable plates 406 is fixedly connected to sliding block 410, the opposite side of two movable plates 406 Face middle position is fixedly connected to movable block 407, and the opposite side middle position of two conditioning boxes 404 is fixedly connected to tune Locking nub 405, adjusting block 405 are connected with rotating handles 408, the screw thread of rotating handles 408 in the side far from conditioning box 404 Bar is through the surface of adjusting block 405 and the surface of conditioning box 404 and is movably connected on movable block 407, two conditioning boxes 404 Left side offers the inside that 409 two sliding blocks 410 of sliding slot are located at two sliding slots 409, and sliding block 410 and sliding slot 409 are living Dynamic connection, sliding block 410 can be up and down in sliding slot 409, and two sliding blocks 410 are fixedly connected far from the side of movable plate 406 There is arc compression block 411, the medial surface of two arc compression blocks 411 contacts right hand top and the bottom in winding wheel 403, shell respectively Support plate on 1 right side inner wall of body is fixedly connected with the second driving motor 5, and the second driving motor 5 is located at the top of partition 2, the Two motors 5 use slowspeed machine, and the output shaft of the second driving motor 5 is fixedly connected with attachment device 6, and attachment device 6 includes connecting Block 61, U-shaped seat 62, lantern ring 63, connecting rod 64, adjustment axis 66 and fixing sleeve 65 are connect, the output shaft of the second driving motor 5 is fixed to be connected It is connected to link block 61, the upper surface of link block 61 is fixedly connected with U-shaped seat 62, and movable sleeve is connected to lantern ring 63, lantern ring on U-shaped seat 62 63 side is connected with connecting rod 64, and the one end of connecting rod 64 far from lantern ring 63 is connected with adjustment axis 66, shell by pin shaft The left side through hole of body 1 is fixedly connected with fixing sleeve 65 compatible with adjustment axis 66, and the right end of fixing sleeve 65 runs through shell The through-hole in 1 left side, adjustment axis 66 through the inner wall of fixing sleeve 65 and are fixedly connected with pressure zone dress in one end far from connecting rod 64 Set 7, attachment device 6 is fixedly connected with belt pressing device 7, and belt pressing device 7 includes cabinet 71, the first pressure zone axis 72, adjustable shelf 73, the Two pressure zone axis 74, pull handle 75 and compressed spring 76, adjustment axis 66 are fixedly connected with cabinet in one end far from connecting rod 64 71,71 front and back of cabinet offers conduction band mouth 77, is flexibly connected between the two sides inner wall of cabinet 71 by shaft end pedestal There is the first pressure zone axis 72, adjustable shelf 73 is flexibly connected between the two sides inner wall of cabinet 71, is lived between the two sides inner wall of adjustable shelf 73 Dynamic to be connected with the second pressure zone axis 74, the top center position of cabinet 71 is connected with pull handle 75, the drawing of pull handle 75 Lever runs through the top of cabinet 71 and is fixedly connected on the top center position of adjustable shelf 73, in the pull lever of pull handle 75 Be socketed with compressed spring 76, the top of compressed spring 76 is fixedly connected on the top of pull handle 75, compressed spring 76 it is another End is fixedly connected on the top of cabinet 71, and when strap carries out compressing conduction in cabinet 71, compressed spring 76, which is in, to be stretched The back stretch of state, compressed spring 76 passes to adjustable shelf 73 by pull handle 75, to pass through the second pressure zone axis 72 Strap on the first pressure zone axis 71 is compressed, the situation for preventing strap unstable when being wound conduction.

It is pulled in use, pulling on handle 75, the pull lever of pull handle 75 pulls adjustable shelf 73 in cabinet 71 Inner cavity rises, and 71 inner cavity of cabinet is interted by the back side conduction band mouth 77 of cabinet 71 in the end of strap, then lead by positive Band mouth 77 exports, and unclamps pull handle 75, pull handle 75 under the back stretch effect of compressed spring 76, reply by adjustable shelf 73 In situ, the second pressure zone axis 74 compresses strap, and strap is in conduction, 74 phase of the first pressure zone axis 72 and the second pressure zone axis The end of strap, is then fixed on winding wheel 403, so by mutually rotation, the effective stable holding conduction for ensureing strap After start the first driving motor 3 and the second driving motor 5, the output shaft of the second driving motor 5 drives U-shaped seat by link block 61 62 rotations, U-shaped seat 62 rotate, and the lantern ring 63 on U-shaped seat 62 is driven to do eccentric motion, and lantern ring 63 drives connecting rod 64 to live Dynamic, connecting rod 64 drives 66 activity of adjustment axis by pin shaft, and adjustment axis 66 drives in the activity of the inside of fixing sleeve 65, adjustment axis 66 Belt pressing device 7 does reciprocating rotating operation, and the output shaft of the first driving motor 3 drives connecting shaft 401 to be revolved by shaft coupling Turn, connecting shaft 401 drives connecting cylinder 402 to be rotated, and connecting cylinder 402 drives winding wheel 403 to be rotated, and winding wheel 403 is right Strap is wound fixation.

It can to sum up obtain, the utility model is cooperated by setting winding device 4 and the first driving motor 3, is made in equipment The output shaft of used time, the first driving motor 3 drive connecting shaft 401 to be rotated by shaft coupling, and connecting shaft 401 drives connecting cylinder 402 are rotated, and connecting cylinder 402 drives winding wheel 403 to be rotated, and winding wheel 403 is wound fixation to strap, is receiving After the completion of rolling wheel 403 is wound, arrestment operation rotates rotating handles 408, the threaded rod of rotating handles 408 passes through Movable block 407 pulls 406 activity of movable plate, and movable plate 406 drives arc compression block 411 living with 410 activity of movable slider, sliding block 410 Dynamic, arc compression block 411 reduces the pressure of winding wheel 403, when the right side wall of winding wheel 403 is exited in the inside of arc compression block 411 Afterwards, winding wheel 403 can be carried out that disassembly is pulled to replace, new winding wheel 403 is socketed on connecting cylinder 402, then Rotating handles 408 are reversely rotated, the threaded rod of rotating handles 408 pushes movable plate 406, activity by movable block 407 Plate 406 drives arc compression block 411 to be fixed new winding wheel 403 with 410 homing of movable slider, sliding block 410, Two arc compression blocks 411 effectively ensure the stabilization that grips of winding wheel 403, and two arc compression blocks 411 can be to different straight The winding wheel 403 of diameter size is gripped, and the utilization rate of Package band recoiler is expanded, and solves existing strap winding The winding device of machine is not easy to the problem of replacement winding wheel, is cooperated by setting attachment device 6 and the second driving motor 5, When the device is in use, the output shaft of the second driving motor 5 drives U-shaped seat 62 to rotate by link block 61, and U-shaped seat 62 rotates, band It moves the lantern ring 63 on U-shaped seat 62 and does eccentric motion, lantern ring 63 drives 64 carry out activity of connecting rod, and connecting rod 64 passes through pin shaft band Dynamic 66 activity of adjustment axis, adjustment axis 66 drive belt pressing device 7 to do reciprocating rotating fortune in the activity of the inside of fixing sleeve 65, adjustment axis 66 Row, structure is simple, easy to repair, solves existing driving device complexity of the Package band recoiler row with conduction device and is not easy to The problem of maintenance, by setting belt pressing device 7 to strap carry out row band conduction, when the device is in use, pull on handle 75 into Row pulls, and the pull lever of pull handle 75 pulls adjustable shelf 73 to rise in the inner cavity of cabinet 71, and the end of strap is passed through case The back side conduction band mouth 77 of body 71 interts 71 inner cavity of cabinet, then is exported by positive conduction band mouth 77, unclamps pull handle 75, draws Dynamic handle 75 is under the back stretch effect of compressed spring 76,73 homing of adjustable shelf, the second pressure zone axis 74 to strap into Row compresses, and strap is in conduction, and the first pressure zone axis 72 and the second mutually rotation of pressure zone axis 74 are effective to ensure the steady of strap Clamp holds conduction, and the pressing force of compressed spring 76 ensures that the clamping force between the first pressure zone axis 72 and the second pressure zone axis 74 is stablized, The strap of different in width and thickness can be fixed, expand the utilization rate of Package band recoiler, while prevent from winding The case where device 4 winds fluffy dislocation, solve existing Package band recoiler strap cannot be carried out stablize fixation ask Topic, by the way that shell 1, the first driving motor 3, winding device 4,7 phase of the second driving motor 5, attachment device 6 and belt pressing device is arranged Mutually cooperation, when the device is in use, winding device 4 is fixed, and the packing belt end of production is run through belt pressing device 7, finally The end of strap is fixedly connected on winding device 4, the first driving motor 3 and the second driving motor 5, the first driving are started The output shaft of motor 3 drives winding device 4 to carry out rotation winding by shaft coupling, and the output shaft of the second driving motor 5, which drives, to be connected Connection device 6 carries out reciprocation cycle movement to belt pressing device 7, effectively carries out clamping conduction to strap, stablizes row's band and winding, Improve the stability in use of Package band recoiler.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of novel Package band recoiler, including shell (1), it is characterised in that：It is solid between the two sides inner wall of the shell (1) Surely it is connected with partition (2), the partition (2) obtains being fixedly connected the first driving motor (3) on the left of upper surface, first driving The output shaft of motor (3) is fixedly connected with winding device (4) by shaft coupling, the support plate on the right side of the shell (1) on inner wall It is fixedly connected with the second driving motor (5), the output shaft of second driving motor (5) is fixedly connected with attachment device (6), institute It states attachment device (6) and is fixedly connected with belt pressing device (7).

2. a kind of novel Package band recoiler according to claim 1, it is characterised in that：The packet of the winding device (4) Connecting shaft (401), connecting cylinder (402), winding wheel (403), conditioning box (404) are included, adjusting block (405), is lived at movable plate (406) Motion block (407), rotating handles (408), sliding block (410) and arc compression block (411), the output shaft of first driving motor (3) It is fixedly connected with connecting shaft (401), the connecting shaft (401) runs through the left side of shell (1) far from the one end of the first driving motor (3) Side inner wall is simultaneously socketed with connecting cylinder (402), is socketed with winding wheel (403) on the connecting cylinder (402), the connecting shaft (401) There are two being fixedly connected in shell (1) exterior portion conditioning box (404), two conditioning boxes (404) are about in connecting shaft (401) Lower in the heart to be symmetrical arranged, the inside of two conditioning boxes (404) is connected with movable plate (406), two movable plates (406) Left side is fixedly connected to sliding block (410), and two opposite side middle positions of movable plate (406) are fixedly connected to activity Block (407), two opposite side middle positions of conditioning box (404) are fixedly connected to adjusting block (405), adjusting block (405) It is connected with rotating handles (408) in the side far from conditioning box (404), the threaded rod of the rotating handles (408) runs through The surface of adjusting block (405) and the surface of conditioning box (404) are simultaneously movably connected on movable block (407), two conditioning boxes (404) Left side offer the inside that (409) two sliding blocks (410) of sliding slot are located at two sliding slots (409), two sliding blocks (410) side far from movable plate (406) is fixedly connected with arc compression block (411), the medial surface point of two arc compression blocks (411) Right hand top and the bottom in winding wheel (403) are not contacted.

3. a kind of novel Package band recoiler according to claim 2, it is characterised in that：The attachment device (6) includes Link block (61), U-shaped seat (62), lantern ring (63), connecting rod (64), adjustment axis (66) and fixing sleeve (65), second driving The output shaft of motor (5) is fixedly connected with link block (61), and the upper surface of the link block (61) is fixedly connected with U-shaped seat (62), movable sleeve is connected to lantern ring (63) on the U-shaped seat (62), and the side of the lantern ring (63) is connected with connecting rod (64), institute It states connecting rod (64) to be connected with adjustment axis (66) far from the one end of lantern ring (63) by pin shaft, the left side of the shell (1) Face through hole, which is fixedly connected with, runs through shell with adjustment axis (66) compatible fixing sleeve (65), the right end of the fixing sleeve (65) (1) through-hole on the left of, the adjustment axis (66) run through the inner wall of fixing sleeve (65) and fixation in one end far from connecting rod (64) It is connected with belt pressing device (7).

4. a kind of novel Package band recoiler according to claim 3, it is characterised in that：The belt pressing device (7) includes Cabinet (71), the first pressure zone axis (72), adjustable shelf (73), the second pressure zone axis (74), pull handle (75) and compressed spring (76), The adjustment axis (66) is fixedly connected with cabinet (71) in one end far from connecting rod (64), cabinet (71) front and back It offers conduction band mouth (77), the first pressure zone axis is connected with by shaft end pedestal between the two sides inner wall of the cabinet (71) (72), adjustable shelf (73) are flexibly connected between the two sides inner wall of the cabinet (71), the two sides inner wall of the adjustable shelf (73) it Between be connected with the second pressure zone axis (74), the top center position of the cabinet (71) is connected with pull handle (75), The pull lever of the pull handle (75) runs through the top of cabinet (71) and is fixedly connected on the top center position of adjustable shelf (73) It sets, is socketed with compressed spring (76) in the pull lever of the pull handle (75), the top of the compressed spring (76) is fixed to be connected The top in pull handle (75) is connect, the other end of compressed spring (76) is fixedly connected on the top of cabinet (71).